378 WUUS55 KSLC 151829 SVRSLC UTC025-151915- /O.NEW.KSLC.SV.W.0123.260915T1829Z-260915T1915Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Salt Lake City UT 1229 PM MDT Tue Sep 15 2026 The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Central Kane County in southern Utah... * Until 115 PM MDT. * At 1229 PM MDT, a severe thunderstorm was located 11 miles north of Big Water, or 36 miles south of Escalante, 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 central Kane County. 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 3714 11167 3728 11174 3750 11135 3726 11119 TIME...MOT...LOC 1829Z 240DEG 17KT 3724 11161 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CRK  077 WHCA52 TJSJ 151834 SMWSJU AMZ741-742-745-151930- /O.NEW.TJSJ.MA.W.0024.260915T1834Z-260915T1930Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service San Juan PR 234 PM AST Tue Sep 15 2026 The National Weather Service in San Juan has issued a * Special Marine Warning for... Mona Passage Southward to 17N... Coastal Waters of Northwestern Puerto Rico out 10 NM... Coastal Waters of Southwestern Puerto Rico out 10 NM... * Until 330 PM AST. * At 234 PM AST, A strong thunderstorm was located over open waters of Mona Passage Southward to 17N, Coastal Waters of Northwestern Puerto Rico out 10 NM and Coastal Waters of Southwestern Puerto Rico out 10 NM zones, moving west at 10 knots. HAZARD...Wind gusts to 34 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Mainly open waters of Mona Passage Southward to 17N, Coastal Waters of Northwestern Puerto Rico out 10 NM and Coastal Waters of Southwestern Puerto Rico out 10 NM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 1817 6718 1816 6717 1817 6719 1810 6718 1809 6720 1807 6718 1804 6721 1803 6718 1801 6717 1810 6784 1812 6786 1812 6792 1850 6786 1849 6743 1839 6720 1836 6727 1830 6724 1829 6719 1823 6717 1821 6715 TIME...MOT...LOC 1834Z 101DEG 8KT 1830 6724 MAX HAIL SIZE...0.00 IN MAX WIND GUST...34 KTS $$ LIS  466 WGUS55 KSLC 151835 FFWSLC UTC025-152130- /O.NEW.KSLC.FF.W.0122.260915T1835Z-260915T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 1235 PM MDT Tue Sep 15 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Kane County in southern Utah... * Until 330 PM MDT. * At 1235 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 normally dry washes, streams, and creeks. * Some locations that will experience flash flooding include... Big Water, Wahweap Creek, and Coyote Creek. This includes US Route 89 between mile markers 3 and 12. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3717 11190 3702 11162 3703 11156 3706 11151 3732 11172 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ CRK  288 WWUS55 KSLC 151837 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 1237 PM MDT Tue Sep 15 2026 UTC025-151915- /O.CON.KSLC.SV.W.0123.000000T0000Z-260915T1915Z/ Kane UT- 1237 PM MDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM MDT FOR CENTRAL KANE COUNTY... At 1237 PM MDT, a severe thunderstorm was located 13 miles north of Big Water, or 34 miles south of Escalante, moving northeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of central Kane County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3716 11161 3729 11169 3750 11135 3726 11119 TIME...MOT...LOC 1837Z 240DEG 17KT 3726 11157 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CRK  176 WGUS75 KGJT 151842 FFSGJT Flash Flood Statement National Weather Service Grand Junction CO 1242 PM MDT Tue Sep 15 2026 UTC037-151852- /O.EXP.KGJT.FF.W.0112.000000T0000Z-260915T1845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Juan UT- 1242 PM MDT Tue Sep 15 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 1245 PM MDT THIS AFTERNOON FOR CENTRAL SAN JUAN COUNTY... Excess runoff from heavy rain has ended over the warned area. If flooding has been observed...Please report it to your local law enforcement agency. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 3777 11002 3777 11001 3781 11001 3781 11002 3782 11002 3782 11001 3783 11001 3783 10997 3782 10997 3778 10992 3773 10991 3773 10992 3769 10992 3769 10989 3766 10989 3767 10994 3772 10996 3772 10999 3774 10999 3774 11001 $$ LTB  348 WWUS55 KSLC 151845 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 1245 PM MDT Tue Sep 15 2026 UTC025-151915- /O.CON.KSLC.SV.W.0123.000000T0000Z-260915T1915Z/ Kane UT- 1245 PM MDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM MDT FOR NORTH CENTRAL KANE COUNTY... At 1245 PM MDT, a severe thunderstorm was located 13 miles north of Big Water, or 35 miles south of Escalante, moving northeast at 20 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of north central Kane County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3722 11155 3730 11161 3750 11135 3726 11119 TIME...MOT...LOC 1845Z 240DEG 17KT 3726 11157 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CRK