983 

WGUS75 KSLC 311801

FFSSLC



Flash Flood Statement

National Weather Service Salt Lake City UT

1201 PM MDT Mon Aug 31 2026



UTC017-055-311915-

/O.CON.KSLC.FF.W.0104.000000T0000Z-260831T1915Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Garfield UT-Wayne UT-

1201 PM MDT Mon Aug 31 2026



...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM MDT THIS

AFTERNOON FOR NORTH CENTRAL GARFIELD AND SOUTH CENTRAL WAYNE

COUNTIES...



At 1201 PM MDT, Doppler radar indicated thunderstorms producing heavy

rain across the warned area. Flash flooding is ongoing or expected to

begin shortly.



HAZARD...Life threatening flash flooding.



SOURCE...Radar indicated.



IMPACT...Life threatening flash flooding of normally dry washes, slot

         canyons, creeks, streams and rivers.



Some locations that will experience flash flooding include...

  Capitol Reef National Park including the Scenic Drive, Capitol

  Gorge, Grand Wash, Sulphur Creek, Pleasant Creek and all other dry

  washes, creeks, and slot canyons in the area.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



Remain alert for flooding even in locations not receiving rain. Dry

washes, streams, and rivers can become raging killer currents in a

matter of minutes, even from distant rainfall.



&&



LAT...LON 3815 11125 3832 11140 3839 11111 3802 11083

      3794 11122



FLASH FLOOD...RADAR INDICATED

FLASH FLOOD DAMAGE THREAT...CONSIDERABLE



$$



CRK






736 

WWUS55 KSLC 311802

SVSSLC



Severe Weather Statement

National Weather Service Salt Lake City UT

1202 PM MDT Mon Aug 31 2026



UTC017-021-025-311815-

/O.CON.KSLC.SV.W.0113.000000T0000Z-260831T1815Z/

Garfield UT-Kane UT-Iron UT-

1202 PM MDT Mon Aug 31 2026



...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM MDT

FOR SOUTHWESTERN GARFIELD...NORTHWESTERN KANE AND SOUTHEASTERN IRON

COUNTIES...



At 1202 PM MDT, a severe thunderstorm was located 10 miles south of

Cedar Breaks National Monument, or 17 miles northeast of Zion

National Park, moving northeast at 20 mph.



HAZARD...60 mph wind gusts and quarter size hail.



SOURCE...Radar indicated.



IMPACT...Hail damage to vehicles is expected. Expect wind damage to 

         roofs, siding, and trees.



This severe thunderstorm will remain over mainly rural areas of

southwestern Garfield, northwestern Kane and southeastern Iron

Counties.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



For your protection move to an interior room on the lowest floor of a

building.



Torrential rainfall is occurring with this storm, and may lead to

flash flooding. Do not drive your vehicle through flooded roadways.



&&



LAT...LON 3750 11290 3768 11268 3751 11253 3741 11279

TIME...MOT...LOC 1802Z 211DEG 17KT 3749 11281 



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...1.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



CRK






640 

WWUS55 KVEF 311803

SVSVEF



Severe Weather Statement

National Weather Service Las Vegas NV

1103 AM PDT Mon Aug 31 2026



AZC015-311830-

/O.CON.KVEF.SV.W.0057.000000T0000Z-260831T1830Z/

Mohave AZ-

1103 AM MST Mon Aug 31 2026



...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM MST

FOR NORTHERN MOHAVE COUNTY...



At 1103 AM MST, a severe thunderstorm was located 22 miles west of

Colorado City, moving northeast at 15 mph.



HAZARD...60 mph wind gusts.



SOURCE...Radar indicated.



IMPACT...Expect damage to roofs, siding, and trees.



Locations impacted include...

  Mainly rural areas of Northern Mohave County.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Seek shelter inside a well-built structure and stay away from

windows. This storm is capable of producing damaging winds.



&&



LAT...LON 3692 11352 3700 11356 3700 11316 3683 11333

TIME...MOT...LOC 1743Z 207DEG 13KT 3687 11341



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...0.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



JCS






461 

WUUS55 KSLC 311804

SVRSLC

UTC053-311845-

/O.NEW.KSLC.SV.W.0114.260831T1804Z-260831T1845Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Warning

National Weather Service Salt Lake City UT

1204 PM MDT Mon Aug 31 2026



The National Weather Service in Salt Lake City has issued a



* Severe Thunderstorm Warning for...

  Southeastern Washington County in southwestern Utah...



* Until 1245 PM MDT.



* At 1204 PM MDT, a severe thunderstorm was located 11 miles

  southeast of Sand Hollow State Park, or 15 miles west of Colorado

  City, moving northeast at 25 mph.



  HAZARD...60 mph wind gusts and quarter size hail.



  SOURCE...Radar indicated.



  IMPACT...Hail damage to vehicles is expected. Expect wind damage 

           to roofs, siding, and trees.



* Locations impacted include...

  Zion National Park, La Verkin, Apple Valley, Virgin, Springdale,

  and Rockville.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



For your protection move to an interior room on the lowest floor of a

building.



Torrential rainfall is occurring with this storm, and may lead to

flash flooding. Do not drive your vehicle through flooded roadways.



&&



LAT...LON 3700 11311 3700 11337 3733 11314 3718 11289

      3714 11290 3699 11306

TIME...MOT...LOC 1804Z 215DEG 22KT 3697 11326 



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...1.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



CRK






844 

WWUS55 KSLC 311816

SVSSLC



Severe Weather Statement

National Weather Service Salt Lake City UT

1216 PM MDT Mon Aug 31 2026



UTC017-021-025-311826-

/O.EXP.KSLC.SV.W.0113.000000T0000Z-260831T1815Z/

Garfield UT-Kane UT-Iron UT-

1216 PM MDT Mon Aug 31 2026



...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GARFIELD...

NORTHWESTERN KANE AND SOUTHEASTERN IRON COUNTIES HAS EXPIRED...



The storm which prompted the warning has weakened below severe

limits, and no longer poses an immediate threat to life or property.

Therefore, the warning has been allowed to expire.



LAT...LON 3750 11290 3768 11268 3751 11253 3741 11279

TIME...MOT...LOC 1816Z 239DEG 15KT 3752 11276 



$$



CRK






558 

WGUS55 KTWC 311818

FFWTWC

AZC019-312115-

/O.NEW.KTWC.FF.W.0175.260831T1818Z-260831T2115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Tucson AZ

1118 AM MST Mon Aug 31 2026



The National Weather Service in Tucson has issued a



* Flash Flood Warning for...

  Northeastern Pima County in southeastern Arizona...



* Until 215 PM MST.



* At 1118 AM MST, Doppler radar and automated rain gauges indicated

  thunderstorms producing heavy rain across the warned area. Between

  0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts

  of 0.5 to 1 inch are possible in the warned area. Flash flooding is

  already occurring.



  HAZARD...Flash flooding caused by thunderstorms.



  SOURCE...Radar and automated gauges.



  IMPACT...Flash flooding of small creeks and streams, urban areas,

           highways, streets and underpasses as well as other poor

           drainage and low-lying areas.



* Some locations that will experience flash flooding include...

  Tucson, Marana, Sahuarita, Green Valley, Davis-Monthan Air Force

  Base, Casas Adobes, Drexel Heights, Flowing Wells, Corona De

  Tucson, South Tucson, Three Points, Avra Valley, Pascua Pueblo

  Yaqui Reservation, Tortolita, East Sahuarita, San Xavier Community,

  Valencia West, Summit, Tucson Estates and Tucson International

  Airport.



This includes the following highways...

Interstate 19 between mile markers 31 and 63. Route 86 between mile

markers 146 and 171. Route 77 between mile markers 70 and 73.

Interstate 10 between mile markers 233 and 275. Route 286 between

mile markers 25 and 45. Route 83 between mile markers 42 and 45.



This includes the following Flash Flood Prone Locations...

Manville Rd at Brawley Wash, Country Club Rd at Franco Wash, Houghton

Rd from I-10 & Sahuarita Rd, Santa Clara Ave at El Vado Wash, 1st Ave

north of Fort Lowell Rd, Stone Ave at Mabel St, Sahuarita Rd west of

Wilmot Rd, Twin Peaks Rd between Sanders and Sandario, Silverbell Rd

near Ina Rd, Camino De La Tierra at the Rillito River, Camino de

Oeste from Sweetwater to Gates Pass, Drexel Rd east of Alvernon Way,

Ironwood Hills Dr from Shannon to Camino de Oeste, Mark Rd from

Jeffery Rd to Los Reales Rd, Mission Rd from Valencia Rd to San

Xavier Rd, Old Vail COnnection Rd at Franco Wash, Sunset Rd west of

Camino de Oeste and Black Wash at S Camino de Oeste.



This includes the following streams and drainages...

  Brown Wash, Santa Cruz River, Rillito River, Box Canyon Wash, Seco,

  Arroyo, Cienega Creek, Banner Wash, Sopori Wash, Bolas Blancas

  Wash, Alambre Wash, Soto Wash, Pantano Wash, Thomas Canyon Wash,

  Guild Wash, Little Thomas Wash, Robles Wash, Los, Saucito Wash,

  Demetrie Wash, Arivaca Creek, Oro, Cañada del, South Mendoza Wash,

  West Branch Santa Cruz River, Mendoza Wash, Blanco Wash,

  Champurrado Wash, Altar Wash, Peñitas Wash, Fresno Wash, Cerro

  Prieto Wash, Chico, Arroyo, Gardner Canyon, Old Junction Wash,

  Fortynine Wash and Brawley Wash.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



&&



LAT...LON 3176 11069 3171 11146 3233 11134 3250 11129

      3250 11121 3224 11086 3204 11076



FLASH FLOOD...RADAR AND GAUGE INDICATED



$$



KJS






311 

WGUS55 KSLC 311820

FFWSLC

UTC017-312115-

/O.NEW.KSLC.FF.W.0108.260831T1820Z-260831T2115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Salt Lake City UT

1220 PM MDT Mon Aug 31 2026



The National Weather Service in Salt Lake City has issued a



* Flash Flood Warning for...

  South Central Garfield County in southern Utah...



* Until 315 PM MDT.



* At 1220 PM MDT, Doppler radar indicated thunderstorms producing

  heavy rain across the warned area. Flash flooding is ongoing or

  expected to begin shortly.



  HAZARD...Life threatening flash flooding. Thunderstorms producing

           flash flooding.



  SOURCE...Radar indicated.



  IMPACT...Life threatening flash flooding of slot canyons, normally

           dry washes, creeks, streams and rivers in the area.



* Some locations that will experience flash flooding include...

  Harris Wash, Zebra and Egypt 1, 2 and 3.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



&&



LAT...LON 3773 11139 3765 11144 3759 11139 3755 11125

      3759 11118 3770 11129 3772 11134



FLASH FLOOD...RADAR INDICATED

FLASH FLOOD DAMAGE THREAT...CONSIDERABLE



$$



CRK






251 

WWUS55 KSLC 311821

SVSSLC



Severe Weather Statement

National Weather Service Salt Lake City UT

1221 PM MDT Mon Aug 31 2026



UTC053-311845-

/O.CON.KSLC.SV.W.0114.000000T0000Z-260831T1845Z/

Washington UT-

1221 PM MDT Mon Aug 31 2026



...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM MDT

FOR SOUTHEASTERN WASHINGTON COUNTY...



At 1220 PM MDT, a severe thunderstorm was located near Apple Valley,

or 12 miles west of Colorado City, moving northeast at 25 mph.



HAZARD...60 mph wind gusts and quarter size hail.



SOURCE...Radar indicated.



IMPACT...Hail damage to vehicles is expected. Expect wind damage to 

         roofs, siding, and trees.



Locations impacted include...

Zion National Park, La Verkin, Apple Valley, Virgin, Springdale, and

Rockville.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



For your protection move to an interior room on the lowest floor of a

building.



Torrential rainfall is occurring with this storm, and may lead to

flash flooding. Do not drive your vehicle through flooded roadways.



&&



LAT...LON 3700 11311 3700 11337 3733 11314 3718 11289

      3714 11290 3699 11306

TIME...MOT...LOC 1820Z 215DEG 22KT 3706 11319 



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...1.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



CRK






374 

WUUS55 KVEF 311826

SVRVEF

AZC015-NVC003-311915-

/O.NEW.KVEF.SV.W.0058.260831T1826Z-260831T1915Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Warning

National Weather Service Las Vegas NV

1126 AM PDT Mon Aug 31 2026



The National Weather Service in Las Vegas has issued a



* Severe Thunderstorm Warning for...

  North Central Mohave County in northwestern Arizona...

  Northeastern Clark County in southern Nevada...



* Until 1215 PM PDT /1215 PM MST/.



* At 1126 AM PDT /1126 AM MST/, a severe thunderstorm was located 12

  miles south of Littlefield, or 10 miles southeast of Mesquite,

  moving northeast at 35 mph.



  HAZARD...60 mph wind gusts.



  SOURCE...Radar indicated.



  IMPACT...Expect damage to roofs, siding, and trees.



* Locations impacted include...

  Mesquite, Littlefield, Beaver Dam, Virgin River Gorge, Virgin River

  Campground and Bunkerville.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Seek shelter inside a well-built structure and stay away from

windows. This storm is capable of producing damaging winds.



&&



LAT...LON 3668 11405 3675 11419 3684 11412 3684 11405

      3693 11405 3700 11399 3700 11353 3661 11391

TIME...MOT...LOC 1825Z 213DEG 28KT 3671 11396



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...0.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



JCS






662 

WGUS75 KFGZ 311826

FFSFGZ



Flash Flood Statement

National Weather Service Flagstaff AZ

1126 AM MST Mon Aug 31 2026



AZC005-311836-

/O.CAN.KFGZ.FF.W.0142.000000T0000Z-260831T2115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Coconino AZ-

1126 AM MST Mon Aug 31 2026 /1226 PM MDT Mon Aug 31 2026/



...FLASH FLOOD WARNING IS CANCELLED FOR PARIA RIVER IN COCONINO

COUNTY...



The heavy rain earlier this morning has ended. Flooding is no longer

expected to pose a threat along the Paria River. Please continue to

heed remaining road closures.



A Flood Watch remains in effect until 1200 AM MST /100 AM MDT/

Tuesday for portions of east central, north central, northeast, and

west central Arizona.



&&



LAT...LON 3700 11203 3697 11186 3693 11169 3684 11159

      3687 11157 3697 11168 3700 11182



$$



Schank






877 

WWUS55 KVEF 311826

SVSVEF



Severe Weather Statement

National Weather Service Las Vegas NV

1126 AM PDT Mon Aug 31 2026



AZC015-311836-

/O.EXP.KVEF.SV.W.0057.000000T0000Z-260831T1830Z/

Mohave AZ-

1126 AM MST Mon Aug 31 2026



...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1130 AM MST FOR

NORTHERN MOHAVE COUNTY...



The storm which prompted the warning has moved out of the area.

Therefore, the warning will be allowed to expire.



&&



LAT...LON 3692 11352 3700 11356 3700 11316 3683 11333

TIME...MOT...LOC 1803Z 207DEG 13KT 3693 11337



$$



JCS






543 

FZUS74 KHGX 311833

MWSHGX



Marine Weather Statement

National Weather Service Houston/Galveston TX

133 PM CDT Mon Aug 31 2026



GMZ335-311900-

133 PM CDT Mon Aug 31 2026



A Marine Weather Statement has been issued for the following areas...

  Galveston Bay...



At 132 PM CDT, Doppler radar indicated a strong thunderstorm, capable

of producing winds to around 30 knots and small hail. This

thunderstorm was located over eastern Galveston Bay. The thunderstorm

was nearly stationary.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Mariners can expect gusty winds to around 30 knots, locally higher

waves, and lightning strikes. Boaters should seek safe harbor

immediately until this storm passes.



&&



LAT...LON 2954 9470 2945 9474 2947 9486 2956 9484



$$



Bailey






384 

WWUS55 KSLC 311836

SVSSLC



Severe Weather Statement

National Weather Service Salt Lake City UT

1236 PM MDT Mon Aug 31 2026



UTC053-311846-

/O.EXP.KSLC.SV.W.0114.000000T0000Z-260831T1845Z/

Washington UT-

1236 PM MDT Mon Aug 31 2026



...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON COUNTY

WILL EXPIRE AT 1245 PM MDT...



The storm which prompted the warning has weakened below severe

limits, and no longer poses an immediate threat to life or property.

Therefore, the warning will be allowed to expire.  However gusty

winds are still possible with this thunderstorm.



LAT...LON 3700 11311 3700 11337 3733 11314 3718 11289

      3714 11290 3699 11306

TIME...MOT...LOC 1836Z 215DEG 22KT 3714 11312 



$$



CRK






037 

WGUS75 KSLC 311837

FFSSLC



Flash Flood Statement

National Weather Service Salt Lake City UT

1237 PM MDT Mon Aug 31 2026



UTC017-311847-

/O.EXP.KSLC.FF.W.0103.000000T0000Z-260831T1845Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Garfield UT-

1237 PM MDT Mon Aug 31 2026



...FLASH FLOOD WARNING WILL EXPIRE AT 1245 PM MDT THIS AFTERNOON FOR

CENTRAL GARFIELD COUNTY...



The heavy rain has ended however enhanced runoff will continue across

the area.  Additional thunderstorms will impact the region through

this evening. A Flood Watch remains in effect until 900 PM MDT

Monday.



&&



LAT...LON 3791 11172 3777 11164 3777 11146 3793 11156

      3792 11166



$$



CRK






155 

WGUS75 KSLC 311847

FFSSLC



Flash Flood Statement

National Weather Service Salt Lake City UT

1247 PM MDT Mon Aug 31 2026



UTC015-055-312045-

/O.CON.KSLC.FF.W.0105.000000T0000Z-260831T2045Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Emery UT-Wayne UT-

1247 PM MDT Mon Aug 31 2026



...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM MDT THIS

AFTERNOON FOR SOUTHWESTERN EMERY AND NORTHERN WAYNE COUNTIES...



At 1247 PM MDT, Doppler radar indicated thunderstorms producing heavy

rain across the warned area. Flash flooding is ongoing or expected to

begin shortly.



HAZARD...Life threatening flash flooding.



SOURCE...Radar indicated.



IMPACT...Life threatening flash flooding of slot canyons, normally

         dry washes, creeks, streams, and rivers.



Some locations that will experience flash flooding include...

  Goblin Valley, Little Wildhorse, Bell, Muddy Creek, Crack, Chute,

  Ding and Dang Canyons.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



Remain alert for flooding even in locations not receiving rain. Dry

washes, streams, and rivers can become raging killer currents in a

matter of minutes, even from distant rainfall.



&&



LAT...LON 3850 11112 3867 11123 3875 11083 3892 11056

      3885 11032 3853 11069 3847 11110



FLASH FLOOD...RADAR INDICATED

FLASH FLOOD DAMAGE THREAT...CONSIDERABLE



$$



CRK






850 

WWUS55 KVEF 311854

SVSVEF



Severe Weather Statement

National Weather Service Las Vegas NV

1154 AM PDT Mon Aug 31 2026



AZC015-NVC003-311915-

/O.CON.KVEF.SV.W.0058.000000T0000Z-260831T1915Z/

Mohave AZ-Clark NV-

1154 AM PDT Mon Aug 31 2026 /1154 AM MST Mon Aug 31 2026/



...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM PDT

/1215 PM MST/ FOR NORTH CENTRAL MOHAVE AND NORTHEASTERN CLARK

COUNTIES...



At 1154 AM PDT /1154 AM MST/, a severe thunderstorm was located over

Virgin River Gorge, moving northeast at 35 mph.



HAZARD...60 mph wind gusts.



SOURCE...Radar indicated.



IMPACT...Expect damage to roofs, siding, and trees.



Locations impacted include...

  Mesquite, Littlefield, Beaver Dam, Virgin River Gorge, Virgin River

  Campground and Bunkerville.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Seek shelter inside a well-built structure and stay away from

windows. This storm is capable of producing damaging winds.



&&



LAT...LON 3668 11405 3675 11419 3684 11412 3684 11405

      3693 11405 3700 11399 3700 11353 3661 11391

TIME...MOT...LOC 1826Z 213DEG 28KT 3672 11395



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...0.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



JCS






409 

FZCA72 TJSJ 311859

MWSSJU



Marine Weather Statement

National Weather Service San Juan PR

259 PM AST Mon Aug 31 2026



AMZ711-712-312000-

259 PM AST Mon Aug 31 2026



...THUNDERSTORMS OVER THE ATLANTIC COASTAL WATERS...



The areas affected include...

Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N...

Coastal Waters of Northern Puerto Rico out 10 NM...



* At 259 PM AST, Doppler radar indicated a strong thunderstorm,

  capable of producing winds to around 30 knots. This strong

  thunderstorm was located over the coastal waters of northern Puerto

  Rico, just north of Aguadilla, moving northwest at 5 knots.



Locations impacted include...

Mainly open waters of Atlantic Waters of Puerto Rico and USVI from 10

NM to 19.5N and Coastal Waters of Northern Puerto Rico out 10 NM.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Mariners can expect gusty winds to around 30 knots, locally higher

waves, lightning strikes, and heavy downpours. Boaters should seek

safe harbor immediately until this storm passes.



&&



LAT...LON 1856 6733 1860 6760 1910 6711 1872 6684

      1852 6707

TIME...MOT...LOC 1858Z 136DEG 7KT 1866 6704



$$

DSR






000

WWUS55 KVEF 311803

SVSVEF



Severe Weather Statement

National Weather Service Las Vegas NV

1103 AM PDT Mon Aug 31 2026



AZC015-311830-

/O.CON.KVEF.SV.W.0057.000000T0000Z-260831T1830Z/

Mohave AZ-

1103 AM MST Mon Aug 31 2026



...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM MST

FOR NORTHERN MOHAVE COUNTY...



At 1103 AM MST, a severe thunderstorm was located 22 miles west of

Colorado City, moving northeast at 15 mph.



HAZARD...60 mph wind gusts.



SOURCE...Radar indicated.



IMPACT...Expect damage to roofs, siding, and trees.



Locations impacted include...

  Mainly rural areas of Northern Mohave County.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Seek shelter inside a well-built structure and stay away from

windows. This storm is capable of producing damaging winds.



&&



LAT...LON 3692 11352 3700 11356 3700 11316 3683 11333

TIME...MOT...LOC 1743Z 207DEG 13KT 3687 11341



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...0.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



JCS






000

FZCA72 TJSJ 311859

MWSSJU



Marine Weather Statement

National Weather Service San Juan PR

259 PM AST Mon Aug 31 2026



AMZ711-712-312000-

259 PM AST Mon Aug 31 2026



...THUNDERSTORMS OVER THE ATLANTIC COASTAL WATERS...



The areas affected include...

Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N...

Coastal Waters of Northern Puerto Rico out 10 NM...



* At 259 PM AST, Doppler radar indicated a strong thunderstorm,

  capable of producing winds to around 30 knots. This strong

  thunderstorm was located over the coastal waters of northern Puerto

  Rico, just north of Aguadilla, moving northwest at 5 knots.



Locations impacted include...

Mainly open waters of Atlantic Waters of Puerto Rico and USVI from 10

NM to 19.5N and Coastal Waters of Northern Puerto Rico out 10 NM.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Mariners can expect gusty winds to around 30 knots, locally higher

waves, lightning strikes, and heavy downpours. Boaters should seek

safe harbor immediately until this storm passes.



&&



LAT...LON 1856 6733 1860 6760 1910 6711 1872 6684

      1852 6707

TIME...MOT...LOC 1858Z 136DEG 7KT 1866 6704



$$

DSR






000

WUUS55 KSLC 311804

SVRSLC

UTC053-311845-

/O.NEW.KSLC.SV.W.0114.260831T1804Z-260831T1845Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Warning

National Weather Service Salt Lake City UT

1204 PM MDT Mon Aug 31 2026



The National Weather Service in Salt Lake City has issued a



* Severe Thunderstorm Warning for...

  Southeastern Washington County in southwestern Utah...



* Until 1245 PM MDT.



* At 1204 PM MDT, a severe thunderstorm was located 11 miles

  southeast of Sand Hollow State Park, or 15 miles west of Colorado

  City, moving northeast at 25 mph.



  HAZARD...60 mph wind gusts and quarter size hail.



  SOURCE...Radar indicated.



  IMPACT...Hail damage to vehicles is expected. Expect wind damage 

           to roofs, siding, and trees.



* Locations impacted include...

  Zion National Park, La Verkin, Apple Valley, Virgin, Springdale,

  and Rockville.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



For your protection move to an interior room on the lowest floor of a

building.



Torrential rainfall is occurring with this storm, and may lead to

flash flooding. Do not drive your vehicle through flooded roadways.



&&



LAT...LON 3700 11311 3700 11337 3733 11314 3718 11289

      3714 11290 3699 11306

TIME...MOT...LOC 1804Z 215DEG 22KT 3697 11326 



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...1.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



CRK






000

WGUS75 KSLC 311847

FFSSLC



Flash Flood Statement

National Weather Service Salt Lake City UT

1247 PM MDT Mon Aug 31 2026



UTC015-055-312045-

/O.CON.KSLC.FF.W.0105.000000T0000Z-260831T2045Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Emery UT-Wayne UT-

1247 PM MDT Mon Aug 31 2026



...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM MDT THIS

AFTERNOON FOR SOUTHWESTERN EMERY AND NORTHERN WAYNE COUNTIES...



At 1247 PM MDT, Doppler radar indicated thunderstorms producing heavy

rain across the warned area. Flash flooding is ongoing or expected to

begin shortly.



HAZARD...Life threatening flash flooding.



SOURCE...Radar indicated.



IMPACT...Life threatening flash flooding of slot canyons, normally

         dry washes, creeks, streams, and rivers.



Some locations that will experience flash flooding include...

  Goblin Valley, Little Wildhorse, Bell, Muddy Creek, Crack, Chute,

  Ding and Dang Canyons.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



Remain alert for flooding even in locations not receiving rain. Dry

washes, streams, and rivers can become raging killer currents in a

matter of minutes, even from distant rainfall.



&&



LAT...LON 3850 11112 3867 11123 3875 11083 3892 11056

      3885 11032 3853 11069 3847 11110



FLASH FLOOD...RADAR INDICATED

FLASH FLOOD DAMAGE THREAT...CONSIDERABLE



$$



CRK






000

WGUS55 KTWC 311818

FFWTWC

AZC019-312115-

/O.NEW.KTWC.FF.W.0175.260831T1818Z-260831T2115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Tucson AZ

1118 AM MST Mon Aug 31 2026



The National Weather Service in Tucson has issued a



* Flash Flood Warning for...

  Northeastern Pima County in southeastern Arizona...



* Until 215 PM MST.



* At 1118 AM MST, Doppler radar and automated rain gauges indicated

  thunderstorms producing heavy rain across the warned area. Between

  0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts

  of 0.5 to 1 inch are possible in the warned area. Flash flooding is

  already occurring.



  HAZARD...Flash flooding caused by thunderstorms.



  SOURCE...Radar and automated gauges.



  IMPACT...Flash flooding of small creeks and streams, urban areas,

           highways, streets and underpasses as well as other poor

           drainage and low-lying areas.



* Some locations that will experience flash flooding include...

  Tucson, Marana, Sahuarita, Green Valley, Davis-Monthan Air Force

  Base, Casas Adobes, Drexel Heights, Flowing Wells, Corona De

  Tucson, South Tucson, Three Points, Avra Valley, Pascua Pueblo

  Yaqui Reservation, Tortolita, East Sahuarita, San Xavier Community,

  Valencia West, Summit, Tucson Estates and Tucson International

  Airport.



This includes the following highways...

Interstate 19 between mile markers 31 and 63. Route 86 between mile

markers 146 and 171. Route 77 between mile markers 70 and 73.

Interstate 10 between mile markers 233 and 275. Route 286 between

mile markers 25 and 45. Route 83 between mile markers 42 and 45.



This includes the following Flash Flood Prone Locations...

Manville Rd at Brawley Wash, Country Club Rd at Franco Wash, Houghton

Rd from I-10 & Sahuarita Rd, Santa Clara Ave at El Vado Wash, 1st Ave

north of Fort Lowell Rd, Stone Ave at Mabel St, Sahuarita Rd west of

Wilmot Rd, Twin Peaks Rd between Sanders and Sandario, Silverbell Rd

near Ina Rd, Camino De La Tierra at the Rillito River, Camino de

Oeste from Sweetwater to Gates Pass, Drexel Rd east of Alvernon Way,

Ironwood Hills Dr from Shannon to Camino de Oeste, Mark Rd from

Jeffery Rd to Los Reales Rd, Mission Rd from Valencia Rd to San

Xavier Rd, Old Vail COnnection Rd at Franco Wash, Sunset Rd west of

Camino de Oeste and Black Wash at S Camino de Oeste.



This includes the following streams and drainages...

  Brown Wash, Santa Cruz River, Rillito River, Box Canyon Wash, Seco,

  Arroyo, Cienega Creek, Banner Wash, Sopori Wash, Bolas Blancas

  Wash, Alambre Wash, Soto Wash, Pantano Wash, Thomas Canyon Wash,

  Guild Wash, Little Thomas Wash, Robles Wash, Los, Saucito Wash,

  Demetrie Wash, Arivaca Creek, Oro, Cañada del, South Mendoza Wash,

  West Branch Santa Cruz River, Mendoza Wash, Blanco Wash,

  Champurrado Wash, Altar Wash, Peñitas Wash, Fresno Wash, Cerro

  Prieto Wash, Chico, Arroyo, Gardner Canyon, Old Junction Wash,

  Fortynine Wash and Brawley Wash.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



&&



LAT...LON 3176 11069 3171 11146 3233 11134 3250 11129

      3250 11121 3224 11086 3204 11076



FLASH FLOOD...RADAR AND GAUGE INDICATED



$$



KJS






000

WWUS55 KSLC 311821

SVSSLC



Severe Weather Statement

National Weather Service Salt Lake City UT

1221 PM MDT Mon Aug 31 2026



UTC053-311845-

/O.CON.KSLC.SV.W.0114.000000T0000Z-260831T1845Z/

Washington UT-

1221 PM MDT Mon Aug 31 2026



...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM MDT

FOR SOUTHEASTERN WASHINGTON COUNTY...



At 1220 PM MDT, a severe thunderstorm was located near Apple Valley,

or 12 miles west of Colorado City, moving northeast at 25 mph.



HAZARD...60 mph wind gusts and quarter size hail.



SOURCE...Radar indicated.



IMPACT...Hail damage to vehicles is expected. Expect wind damage to 

         roofs, siding, and trees.



Locations impacted include...

Zion National Park, La Verkin, Apple Valley, Virgin, Springdale, and

Rockville.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



For your protection move to an interior room on the lowest floor of a

building.



Torrential rainfall is occurring with this storm, and may lead to

flash flooding. Do not drive your vehicle through flooded roadways.



&&



LAT...LON 3700 11311 3700 11337 3733 11314 3718 11289

      3714 11290 3699 11306

TIME...MOT...LOC 1820Z 215DEG 22KT 3706 11319 



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...1.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



CRK






000

WWUS55 KSLC 311802

SVSSLC



Severe Weather Statement

National Weather Service Salt Lake City UT

1202 PM MDT Mon Aug 31 2026



UTC017-021-025-311815-

/O.CON.KSLC.SV.W.0113.000000T0000Z-260831T1815Z/

Garfield UT-Kane UT-Iron UT-

1202 PM MDT Mon Aug 31 2026



...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM MDT

FOR SOUTHWESTERN GARFIELD...NORTHWESTERN KANE AND SOUTHEASTERN IRON

COUNTIES...



At 1202 PM MDT, a severe thunderstorm was located 10 miles south of

Cedar Breaks National Monument, or 17 miles northeast of Zion

National Park, moving northeast at 20 mph.



HAZARD...60 mph wind gusts and quarter size hail.



SOURCE...Radar indicated.



IMPACT...Hail damage to vehicles is expected. Expect wind damage to 

         roofs, siding, and trees.



This severe thunderstorm will remain over mainly rural areas of

southwestern Garfield, northwestern Kane and southeastern Iron

Counties.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



For your protection move to an interior room on the lowest floor of a

building.



Torrential rainfall is occurring with this storm, and may lead to

flash flooding. Do not drive your vehicle through flooded roadways.



&&



LAT...LON 3750 11290 3768 11268 3751 11253 3741 11279

TIME...MOT...LOC 1802Z 211DEG 17KT 3749 11281 



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...1.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



CRK






000

WGUS75 KSLC 311801

FFSSLC



Flash Flood Statement

National Weather Service Salt Lake City UT

1201 PM MDT Mon Aug 31 2026



UTC017-055-311915-

/O.CON.KSLC.FF.W.0104.000000T0000Z-260831T1915Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Garfield UT-Wayne UT-

1201 PM MDT Mon Aug 31 2026



...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM MDT THIS

AFTERNOON FOR NORTH CENTRAL GARFIELD AND SOUTH CENTRAL WAYNE

COUNTIES...



At 1201 PM MDT, Doppler radar indicated thunderstorms producing heavy

rain across the warned area. Flash flooding is ongoing or expected to

begin shortly.



HAZARD...Life threatening flash flooding.



SOURCE...Radar indicated.



IMPACT...Life threatening flash flooding of normally dry washes, slot

         canyons, creeks, streams and rivers.



Some locations that will experience flash flooding include...

  Capitol Reef National Park including the Scenic Drive, Capitol

  Gorge, Grand Wash, Sulphur Creek, Pleasant Creek and all other dry

  washes, creeks, and slot canyons in the area.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



Remain alert for flooding even in locations not receiving rain. Dry

washes, streams, and rivers can become raging killer currents in a

matter of minutes, even from distant rainfall.



&&



LAT...LON 3815 11125 3832 11140 3839 11111 3802 11083

      3794 11122



FLASH FLOOD...RADAR INDICATED

FLASH FLOOD DAMAGE THREAT...CONSIDERABLE



$$



CRK






000

WGUS55 KSLC 311820

FFWSLC

UTC017-312115-

/O.NEW.KSLC.FF.W.0108.260831T1820Z-260831T2115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Salt Lake City UT

1220 PM MDT Mon Aug 31 2026



The National Weather Service in Salt Lake City has issued a



* Flash Flood Warning for...

  South Central Garfield County in southern Utah...



* Until 315 PM MDT.



* At 1220 PM MDT, Doppler radar indicated thunderstorms producing

  heavy rain across the warned area. Flash flooding is ongoing or

  expected to begin shortly.



  HAZARD...Life threatening flash flooding. Thunderstorms producing

           flash flooding.



  SOURCE...Radar indicated.



  IMPACT...Life threatening flash flooding of slot canyons, normally

           dry washes, creeks, streams and rivers in the area.



* Some locations that will experience flash flooding include...

  Harris Wash, Zebra and Egypt 1, 2 and 3.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood

deaths occur in vehicles.



&&



LAT...LON 3773 11139 3765 11144 3759 11139 3755 11125

      3759 11118 3770 11129 3772 11134



FLASH FLOOD...RADAR INDICATED

FLASH FLOOD DAMAGE THREAT...CONSIDERABLE



$$



CRK






000

WGUS75 KSLC 311837

FFSSLC



Flash Flood Statement

National Weather Service Salt Lake City UT

1237 PM MDT Mon Aug 31 2026



UTC017-311847-

/O.EXP.KSLC.FF.W.0103.000000T0000Z-260831T1845Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Garfield UT-

1237 PM MDT Mon Aug 31 2026



...FLASH FLOOD WARNING WILL EXPIRE AT 1245 PM MDT THIS AFTERNOON FOR

CENTRAL GARFIELD COUNTY...



The heavy rain has ended however enhanced runoff will continue across

the area.  Additional thunderstorms will impact the region through

this evening. A Flood Watch remains in effect until 900 PM MDT

Monday.



&&



LAT...LON 3791 11172 3777 11164 3777 11146 3793 11156

      3792 11166



$$



CRK






000

FZUS74 KHGX 311833

MWSHGX



Marine Weather Statement

National Weather Service Houston/Galveston TX

133 PM CDT Mon Aug 31 2026



GMZ335-311900-

133 PM CDT Mon Aug 31 2026



A Marine Weather Statement has been issued for the following areas...

  Galveston Bay...



At 132 PM CDT, Doppler radar indicated a strong thunderstorm, capable

of producing winds to around 30 knots and small hail. This

thunderstorm was located over eastern Galveston Bay. The thunderstorm

was nearly stationary.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Mariners can expect gusty winds to around 30 knots, locally higher

waves, and lightning strikes. Boaters should seek safe harbor

immediately until this storm passes.



&&



LAT...LON 2954 9470 2945 9474 2947 9486 2956 9484



$$



Bailey






000

WWUS55 KSLC 311836

SVSSLC



Severe Weather Statement

National Weather Service Salt Lake City UT

1236 PM MDT Mon Aug 31 2026



UTC053-311846-

/O.EXP.KSLC.SV.W.0114.000000T0000Z-260831T1845Z/

Washington UT-

1236 PM MDT Mon Aug 31 2026



...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON COUNTY

WILL EXPIRE AT 1245 PM MDT...



The storm which prompted the warning has weakened below severe

limits, and no longer poses an immediate threat to life or property.

Therefore, the warning will be allowed to expire.  However gusty

winds are still possible with this thunderstorm.



LAT...LON 3700 11311 3700 11337 3733 11314 3718 11289

      3714 11290 3699 11306

TIME...MOT...LOC 1836Z 215DEG 22KT 3714 11312 



$$



CRK






000

WUUS55 KVEF 311826

SVRVEF

AZC015-NVC003-311915-

/O.NEW.KVEF.SV.W.0058.260831T1826Z-260831T1915Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Warning

National Weather Service Las Vegas NV

1126 AM PDT Mon Aug 31 2026



The National Weather Service in Las Vegas has issued a



* Severe Thunderstorm Warning for...

  North Central Mohave County in northwestern Arizona...

  Northeastern Clark County in southern Nevada...



* Until 1215 PM PDT /1215 PM MST/.



* At 1126 AM PDT /1126 AM MST/, a severe thunderstorm was located 12

  miles south of Littlefield, or 10 miles southeast of Mesquite,

  moving northeast at 35 mph.



  HAZARD...60 mph wind gusts.



  SOURCE...Radar indicated.



  IMPACT...Expect damage to roofs, siding, and trees.



* Locations impacted include...

  Mesquite, Littlefield, Beaver Dam, Virgin River Gorge, Virgin River

  Campground and Bunkerville.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Seek shelter inside a well-built structure and stay away from

windows. This storm is capable of producing damaging winds.



&&



LAT...LON 3668 11405 3675 11419 3684 11412 3684 11405

      3693 11405 3700 11399 3700 11353 3661 11391

TIME...MOT...LOC 1825Z 213DEG 28KT 3671 11396



HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...0.00 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...60 MPH



$$



JCS