351 WWUS55 KFGZ 220918 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 218 AM MST Thu Oct 22 2026 AZC001-017-220930- /O.CON.KFGZ.SV.W.0182.000000T0000Z-261022T0930Z/ Apache AZ-Navajo AZ- 218 AM MST Thu Oct 22 2026 /318 AM MDT Thu Oct 22 2026/ ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM MST /330 AM MDT/ FOR NAVAJO AND APACHE COUNTIES... At 218 AM MST /318 AM MDT/, a severe thunderstorm was located 16 miles northeast of Sun Valley, or 24 miles northeast of Holbrook, moving north at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Petrified Forest National Park, Petrified Forest N.P. Headquarters and Petrified Forest National Wilderness Area. This includes Interstate 40 between mile markers 305 and 316. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3498 10984 3500 10989 3520 10994 3519 10966 3497 10975 3496 10981 TIME...MOT...LOC 0907Z 184DEG 34KT 3498 10981 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Humphreys 548 WWUS55 KFGZ 220927 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 227 AM MST Thu Oct 22 2026 AZC001-017-220937- /O.EXP.KFGZ.SV.W.0182.000000T0000Z-261022T0930Z/ Apache AZ-Navajo AZ- 227 AM MST Thu Oct 22 2026 /327 AM MDT Thu Oct 22 2026/ ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 230 AM MST /330 AM MDT/ FOR NAVAJO AND APACHE COUNTIES... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. However, small hail and heavy rain are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1000 AM MST /1100 AM MDT/ Thursday for portions of north central and northeast Arizona. && LAT...LON 3498 10984 3500 10989 3520 10994 3519 10966 3497 10975 3496 10981 TIME...MOT...LOC 0918Z 184DEG 34KT 3509 10980 $$ Humphreys