Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 10, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 9, 2021, 3:22 PM MST for Gila County, Arizona. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2021, 3:22 PM MST (22:22 UTC)
- Expired
- Jul 9, 2021, 3:45 PM MST
- In force
- 23 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Gila County, AZ
The radar
The Flagstaff radar (KFSX), 69 km from the middle of the area, began a volume at 22:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Phoenix, AZ (KPSR), launched 12:00Z, 10.4 hours before the alert went out and 119 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 308 J/kg
- Mixed-layer CIN
- -401 J/kg
- Mixed-layer LCL
- 2405 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
993
WUUS55 KFGZ 092222
SVRFGZ
AZC007-092245-
/O.NEW.KFGZ.SV.W.0010.210709T2222Z-210709T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Flagstaff AZ
322 PM MST Fri Jul 9 2021
The National Weather Service in Flagstaff has issued a
* Severe Thunderstorm Warning for...
Gila County in east central Arizona...
* Until 345 PM MST.
* At 321 PM MST, a severe thunderstorm was located 7 miles southeast
of Young, or 23 miles south of Forest Lakes, moving west at 15 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...
Reynolds Creek Group Campground. Route 288 south of Young.
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 3409 11079 3395 11074 3385 11101 3404 11112
TIME...MOT...LOC 2221Z 069DEG 15KT 3401 11090
HAIL...1.00IN
WIND...60MPH
$$
JJThe office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 5:13 PM MST | Special Weather Statement | FGZ | Yavapai | 32 min |
| Jul 8, 5:28 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 19 min |
| Jul 8, 6:25 PM MST | Special Weather Statement | FGZ | Yavapai | 50 min |
| Jul 8, 7:03 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Jul 9, 3:02 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 28 min |
| Jul 9, 3:33 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 27 min |
| Jul 9, 3:42 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 48 min |
| Jul 9, 3:45 PM MST | Areal Flood Advisory | FGZ | Yavapai | 2 hr |
| Jul 9, 3:59 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Jul 9, 4:26 PM MST | Areal Flood Advisory | FGZ | Yavapai | 2 hr |
| Jul 9, 4:48 PM MST | Severe Thunderstorm Warning | FGZ | Gila | 42 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.