Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 90, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 5, 2021, 3:36 PM MST for Yavapai County, Arizona. It was in force for 24 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
- Aug 5, 2021, 3:36 PM MST (22:36 UTC)
- Expired
- Aug 5, 2021, 4:00 PM MST
- In force
- 24 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 85 km from the middle of the area, began a volume at 22:40 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 10.6 hours before the alert went out and 65 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3260 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
413
WUUS55 KFGZ 052236
SVRFGZ
AZC025-052300-
/O.NEW.KFGZ.SV.W.0090.210805T2236Z-210805T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Flagstaff AZ
336 PM MST Thu Aug 5 2021
The National Weather Service in Flagstaff has issued a
* Severe Thunderstorm Warning for...
Yavapai County in west central Arizona...
* Until 400 PM MST.
* At 334 PM MST, a severe thunderstorm was located near Jerome and
is nearly stationary.
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...
Jerome, Potato Patch Campground, Mingus Mountain Campground and
Playground Group Campground.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3465 11211 3470 11220 3479 11213 3473 11204
TIME...MOT...LOC 2234Z 217DEG 2KT 3472 11212
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$1 follow-up statement
041
WWUS55 KFGZ 052252
SVSFGZ
Severe Weather Statement
National Weather Service Flagstaff AZ
352 PM MST Thu Aug 5 2021
AZC025-052300-
/O.EXP.KFGZ.SV.W.0090.000000T0000Z-210805T2300Z/
Yavapai-
352 PM MST Thu Aug 5 2021
...THE SEVERE THUNDERSTORM WARNING FOR YAVAPAI COUNTY WILL EXPIRE AT
400 PM MST...
The storm near Jerome which prompted the Severe Thunderstorm Warning
has weakened below severe limits. Therefore, the warning will be
allowed to expire at 400 PM MST.
This storm produced over an inch of rainfall just south of Jerome
and minor flows may be observed in Blowout Creek and Oak Wash this
afternoon.
LAT...LON 3465 11211 3470 11220 3479 11213 3473 11204
TIME...MOT...LOC 2250Z 217DEG 2KT 3473 11211
$$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.