- In force from
- Oct 21, 4:34 PM MST
- Until
- Oct 21, 5:00 PM MST
- Issued
- Oct 21, 4:34 PM MST
- Updated
- 1 time, last Oct 21, 4:47 PM MST
- Office
- Flagstaff, AZ
- Number
- 162 of its kind from this office this year
- Severity
- Severe
- Storm motion
- Moving north northeast at 47 mph
- Where
- AZ
SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FOR COCONINO COUNTY
At 447 PM MST, a severe thunderstorm was located 6 miles west of Supai, or 38 miles west of Grand Canyon Village, moving north at 50 mph.
- Hazard
- Half dollar size hail.
- Source
- Radar indicated.
- Impact
- Damage to vehicles is expected.
Locations impacted include... Supai, Havasupai Reservation, Little Navajo Falls, Beaver Falls and Mooney Falls.
This includes the Colorado River between river miles 143 and 170.
This includes the following recreation areas and campgrounds... Above Kanab Camp Site, Opposite Matkat Canyon Camp Site, Matkat Hotel Camp Site, Below Matkat Hotel Camp Site, Upset Hotel Camp Site, Sinyala Camp Site, Very Last Chance Camp Site, First Chance Camp Site, Second Chance Camp Site and Fern Glen Camp Site.
This includes the following swimming holes... All swimming holes on Havasu Creek near Supai.
What to do
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.
A Tornado Watch remains in effect until 600 PM MST Wednesday for a portion of north central Arizona.
Read the platesThunderstorm FB-EVT-001Supercell FB-EVT-007WSR-88D radar FB-INS-005Cumulonimbus FB-SKY-019Wall cloud FB-SKY-040Cumulonimbus architecture FB-SKY-041Overshooting top and above anvil plume FB-SKY-042How to read a warning FB-STN-001
On the radarRadar over it