Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 18, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 3, 2021, 12:23 PM MST for Cochise County, Santa Cruz County, Arizona. It was in force for 35 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 3, 2021, 12:23 PM MST (19:23 UTC)
- Expired
- Jul 3, 2021, 12:58 PM MST
- In force
- 35 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cochise County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 43 km from the middle of the area, began a volume at 19:22 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
Tuscon, AZ (KTUS), launched 12:00Z, 7.4 hours before the alert went out and 82 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
- 278 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 1669 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -64 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
981
WUUS55 KTWC 031923
SVRTWC
AZC003-023-032015-
/O.NEW.KTWC.SV.W.0018.210703T1923Z-210703T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
1223 PM MST Sat Jul 3 2021
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
Southwestern Cochise County in southeastern Arizona...
Northeastern Santa Cruz County in southeastern Arizona...
* Until 115 PM MST.
* At 1223 PM MST, severe thunderstorms were located along a line
extending from 6 miles northeast of Elgin to Sierra Vista, moving
south at 10 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Sierra Vista, Hereford, Whetstone, Huachuca City, Elgin, Fort
Huachuca, Parker Canyon Lake, Palominas, Coronado National
Memorial, Canelo and Ramsey Canyon Preserve.
This includes the following highways...
Route 82 between mile markers 39 and 50.
Route 83 between mile markers 3 and 23.
Route 90 between mile markers 309 and 328.
Route 92 between mile markers 322 and 340.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3151 11061 3173 11055 3173 11046 3175 11045
3155 11014 3133 11011 3133 11037
TIME...MOT...LOC 1923Z 001DEG 11KT 3170 11047 3150 11021
HAIL...0.75IN
WIND...60MPH
$$
Carpenter2 follow-up statements
702
WWUS55 KTWC 031941
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
1241 PM MST Sat Jul 3 2021
AZC003-023-032015-
/O.CON.KTWC.SV.W.0018.000000T0000Z-210703T2015Z/
Cochise-Santa Cruz-
1241 PM MST Sat Jul 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM MST
FOR SOUTHWESTERN COCHISE AND NORTHEASTERN SANTA CRUZ COUNTIES...
At 1240 PM MST, severe thunderstorms were located along a line
extending from near Elgin to near Sierra Vista, moving south at 15
mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Sierra Vista, Hereford, Whetstone, Huachuca City, Elgin, Fort
Huachuca, Parker Canyon Lake, Palominas, Coronado National Memorial,
Canelo and Ramsey Canyon Preserve.
This includes the following highways...
Route 82 between mile markers 39 and 50.
Route 83 between mile markers 3 and 23.
Route 90 between mile markers 309 and 328.
Route 92 between mile markers 322 and 340.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3151 11061 3173 11055 3173 11046 3175 11045
3155 11014 3133 11011 3133 11037
TIME...MOT...LOC 1940Z 001DEG 11KT 3166 11047 3146 11021
HAIL...0.75IN
WIND...60MPH
$$
Carpenter802
WWUS55 KTWC 031958
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
1258 PM MST Sat Jul 3 2021
AZC003-023-032008-
/O.CAN.KTWC.SV.W.0018.000000T0000Z-210703T2015Z/
Cochise-Santa Cruz-
1258 PM MST Sat Jul 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COCHISE AND
NORTHEASTERN SANTA CRUZ COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain is
still possible with these thunderstorms.
LAT...LON 3151 11061 3173 11055 3173 11046 3175 11045
3155 11014 3133 11011 3133 11037
TIME...MOT...LOC 1954Z 001DEG 11KT 3162 11047 3142 11021
$$
CarpenterThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 5:17 PM MST | Special Weather Statement | TWC | Pinal | 43 min |
| Jul 2, 5:31 PM MST | Special Weather Statement | TWC | 44 min | |
| Jul 2, 5:35 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 40 min |
| Jul 2, 6:14 PM MST | Special Weather Statement | TWC | 46 min | |
| Jul 2, 6:16 PM MST | Special Weather Statement | TWC | Pima | 29 min |
| Jul 2, 6:16 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 44 min |
| Jul 2, 7:13 PM MST | Severe Thunderstorm Warning | TWC | Pima | 47 min |
| Jul 2, 7:34 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 116 min |
| Jul 3, 11:17 AM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Jul 3, 11:21 AM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 39 min |
| Jul 3, 11:51 AM MST | Special Weather Statement | TWC | Pima | 54 min |
| Jul 3, 11:58 AM MST | Flash Flood Warning | TWC | Cochise, Santa Cruz | 3 hr |
| Jul 3, 12:09 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 111 min |
| Jul 3, 12:17 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 3 hr |
| Jul 3, 12:28 PM MST | Flash Flood Warning | TWC | Cochise, Pima, Santa Cruz | 3 hr |
| Jul 3, 1:07 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Jul 3, 1:15 PM MST | Special Weather Statement | TWC | Pima | 45 min |
| Jul 3, 1:20 PM MST | Special Weather Statement | TWC | Pima | 40 min |
| Jul 3, 1:50 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 40 min |
| Jul 3, 2:14 PM MST | Special Weather Statement | TWC | 31 min | |
| Jul 3, 2:56 PM MST | Special Weather Statement | TWC | Pima | 34 min |
| Jul 3, 3:31 PM MST | Special Weather Statement | TWC | Pinal | 44 min |
| Jul 3, 3:44 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
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.