Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 102, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 2, 2021, 2:50 PM MST for Cochise County, Arizona. It was in force for 40 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 2, 2021, 2:50 PM MST (21:50 UTC)
- Expired
- Aug 2, 2021, 3:30 PM MST
- In force
- 40 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 52 km from the middle of the area, began a volume at 21:51 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
Tuscon, AZ (KTUS), launched 12:00Z, 9.8 hours before the alert went out and 80 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
- 719 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 2053 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
943
WUUS55 KTWC 022150
SVRTWC
AZC003-022230-
/O.NEW.KTWC.SV.W.0102.210802T2150Z-210802T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
250 PM MST Mon Aug 2 2021
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
West central Cochise County in southeastern Arizona...
* Until 330 PM MST.
* At 249 PM MST, a severe thunderstorm was located near Texas Canyon
at I-10, or 13 miles east of Benson, moving southeast at 10 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...
Dragoon, Pearce-Sunsites and Texas Canyon.
This includes the following highways...
Interstate 10 between mile markers 312 and 324.
Route 80 near mile marker 311.
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 3204 11022 3211 11002 3188 10985 3177 11014
TIME...MOT...LOC 2149Z 336DEG 8KT 3201 11009
HAIL...1.00IN
WIND...60MPH
$$
Meyer2 follow-up statements
858
WWUS55 KTWC 022213
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
313 PM MST Mon Aug 2 2021
AZC003-022230-
/O.CON.KTWC.SV.W.0102.000000T0000Z-210802T2230Z/
Cochise-
313 PM MST Mon Aug 2 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM MST
FOR WEST CENTRAL COCHISE COUNTY...
At 313 PM MST, a severe thunderstorm was located 7 miles south of
Dragoon, or 14 miles east of Benson, moving south at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Dragoon, Pearce-Sunsites and Texas Canyon.
This includes the following highways...
Interstate 10 between mile markers 312 and 324.
Route 80 near mile marker 311.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3204 11022 3211 11002 3188 10985 3177 11014
TIME...MOT...LOC 2213Z 339DEG 9KT 3193 11006
HAIL...1.00IN
WIND...60MPH
$$
Meyer232
WWUS55 KTWC 022227
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
327 PM MST Mon Aug 2 2021
AZC003-022236-
/O.EXP.KTWC.SV.W.0102.000000T0000Z-210802T2230Z/
Cochise-
327 PM MST Mon Aug 2 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL COCHISE COUNTY
WILL EXPIRE AT 330 PM MST...
The storm which prompted the warning that started near Texas
Canyon and I-10 has weakened and moved south out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds to 40 mph and heavy rain are still possible with this
thunderstorm as it pushes toward Tombstone.
LAT...LON 3204 11022 3211 11002 3188 10985 3177 11014
TIME...MOT...LOC 2226Z 336DEG 8KT 3192 11005
$$
MeyerThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 5:23 PM MST | Special Weather Statement | TWC | 52 min | |
| Aug 1, 6:03 PM MST | Flash Flood Warning | TWC | Graham | 3 hr |
| Aug 1, 6:35 PM MST | Areal Flood Advisory | TWC | Graham | 3 hr |
| Aug 1, 6:44 PM MST | Special Weather Statement | TWC | 31 min | |
| Aug 1, 8:28 PM MST | Special Weather Statement | TWC | Cochise | 47 min |
| Aug 1, 8:40 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Aug 2, 12:43 PM MST | Special Weather Statement | TWC | Greenlee | 47 min |
| Aug 2, 1:27 PM MST | Special Weather Statement | TWC | Greenlee | 48 min |
| Aug 2, 2:26 PM MST | Excessive Heat Warning | TWC | Graham, Greenlee, Pima, Pinal | 54 hr |
| Aug 2, 2:43 PM MST | Special Weather Statement | TWC | Cochise | 47 min |
| Aug 2, 2:51 PM MST | Areal Flood Advisory | TWC | Cochise | 114 min |
| Aug 2, 3:20 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 115 min |
| Aug 2, 4:04 PM MST | Special Weather Statement | TWC | Graham | 56 min |
| Aug 2, 4:22 PM MST | Areal Flood Advisory | TWC | Cochise | 113 min |
| Aug 2, 4:47 PM MST | Special Weather Statement | TWC | 43 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.