Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jun 23, 2021, 6:44 PM MST for Cochise County, Pima County, Arizona. It was in force for 46 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
- Jun 23, 2021, 6:44 PM MST (01:44 UTC)
- Expired
- Jun 23, 2021, 7:30 PM MST
- In force
- 46 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cochise County, AZ, Pima County, AZ
The radar
The Tucson radar (KEMX), 22 km from the middle of the area, began a volume at 01:47 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 00:00Z, 1.7 hours before the alert went out and 31 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
- 48 J/kg
- Mixed-layer CIN
- -254 J/kg
- Mixed-layer LCL
- 2000 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
748 WUUS55 KTWC 240144 SVRTWC AZC003-019-240230- /O.NEW.KTWC.SV.W.0003.210624T0144Z-210624T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tucson AZ 644 PM MST Wed Jun 23 2021 The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... East central Pima County in southeastern Arizona... Western Cochise County in southeastern Arizona... * Until 730 PM MST. * At 644 PM MST, a severe thunderstorm was located over Vail, or 15 miles southeast of Davis-Monthan Air Force Base, moving north at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Tucson, Tanque Verde, Vail and Saguaro National Park East. This includes the following highways... Interstate 10 between mile markers 276 and 293. Route 83 between mile markers 56 and 58. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3194 11051 3198 11078 3231 11074 3228 11041 TIME...MOT...LOC 0144Z 191DEG 23KT 3203 11066 HAIL...0.75IN WIND...60MPH $$ AH
2 follow-up statements
103 WWUS55 KTWC 240202 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 702 PM MST Wed Jun 23 2021 AZC003-019-240230- /O.CON.KTWC.SV.W.0003.000000T0000Z-210624T0230Z/ Pima-Cochise- 702 PM MST Wed Jun 23 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MST FOR EAST CENTRAL PIMA AND NORTHWESTERN COCHISE COUNTIES... At 702 PM MST, a severe thunderstorm was located over Saguaro National Park East, or 14 miles east of Davis-Monthan Air Force Base, moving north at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Tucson, Tanque Verde and Saguaro National Park East. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3206 11053 3208 11075 3231 11074 3228 11041 TIME...MOT...LOC 0202Z 191DEG 23KT 3215 11063 HAIL...0.75IN WIND...60MPH $$ AH
167
WWUS55 KTWC 240221
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
721 PM MST Wed Jun 23 2021
AZC003-019-240231-
/O.EXP.KTWC.SV.W.0003.000000T0000Z-210624T0230Z/
Pima-Cochise-
721 PM MST Wed Jun 23 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PIMA AND
NORTHWESTERN COCHISE COUNTIES WILL EXPIRE AT 730 PM MST...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 3206 11053 3208 11075 3231 11074 3228 11041
TIME...MOT...LOC 0221Z 191DEG 23KT 3226 11061
$$
AHThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 5:23 PM MST | Special Weather Statement | TWC | Cochise | 37 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.