Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 210, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Oct 5, 2021, 5:26 PM MST for Cochise County, Graham County, Arizona. It was in force for 49 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
- Oct 5, 2021, 5:26 PM MST (00:26 UTC)
- Expired
- Oct 5, 2021, 6:15 PM MST
- In force
- 49 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Cochise County, AZ, Graham County, AZ
The radar
The Tucson radar (KEMX), 126 km from the middle of the area, began a volume at 00:27 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 5, 11:46 AM MST | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 0.4 hours before the alert went out and 137 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
- 364 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 2251 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
408
WUUS55 KTWC 060026
SVRTWC
AZC003-009-060115-
/O.NEW.KTWC.SV.W.0210.211006T0026Z-211006T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
526 PM MST Tue Oct 5 2021
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
Southeastern Graham County in southeastern Arizona...
Northeastern Cochise County in southeastern Arizona...
* Until 615 PM MST.
* At 525 PM MST, a severe thunderstorm was located 9 miles north of
Bowie, or 22 miles northeast of Willcox, moving northeast at 20
mph.
HAZARD...60 mph wind gusts and half dollar 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 remote areas of
southeastern Graham and northeastern Cochise Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3237 10953 3243 10971 3268 10945 3256 10924
TIME...MOT...LOC 0025Z 223DEG 16KT 3246 10954
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
GL1 follow-up statement
815
WWUS55 KTWC 060053
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
553 PM MST Tue Oct 5 2021
AZC003-009-060115-
/O.CON.KTWC.SV.W.0210.000000T0000Z-211006T0115Z/
Graham-Cochise-
553 PM MST Tue Oct 5 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MST
FOR SOUTHEASTERN GRAHAM AND NORTHEASTERN COCHISE COUNTIES...
At 553 PM MST, a severe thunderstorm was located 13 miles northwest
of Bowie, or 22 miles northeast of Willcox, moving north at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly remote areas of
southeastern Graham and northeastern Cochise Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3237 10953 3243 10971 3268 10945 3256 10924
TIME...MOT...LOC 0053Z 199DEG 18KT 3249 10959
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
GLThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 5:06 PM MST | Severe Thunderstorm Warning | TWC | Graham, Pinal | 35 min |
| Oct 5, 5:18 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 27 min |
| Oct 5, 6:11 PM MST | Severe Thunderstorm Warning | TWC | Graham, Greenlee | 48 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.