Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 85, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 22, 2021, 1:37 PM MST for Pima County, Arizona. It was in force for 38 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 22, 2021, 1:37 PM MST (20:37 UTC)
- Expired
- Jul 22, 2021, 2:15 PM MST
- In force
- 38 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Pima County, AZ
The radar
The Tucson radar (KEMX), 62 km from the middle of the area, began a volume at 20:39 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, 8.6 hours before the alert went out and 40 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
- 970 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1720 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
075
WUUS55 KTWC 222037
SVRTWC
AZC019-222115-
/O.NEW.KTWC.SV.W.0085.210722T2037Z-210722T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
137 PM MST Thu Jul 22 2021
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
East central Pima County in southeastern Arizona...
* Until 215 PM MST.
* At 136 PM MST, a severe thunderstorm was located 7 miles southeast
of Three Points, or 14 miles northwest of Green Valley, moving west
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.
* Locations impacted include...
Three Points.
This includes the following highways...
Route 86 between mile markers 139 and 152.
Route 286 between mile markers 32 and 45.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3204 11110 3186 11115 3191 11156 3214 11146
TIME...MOT...LOC 2036Z 103DEG 16KT 3197 11121
HAIL...1.00IN
WIND...60MPH
$$
AH2 follow-up statements
429
WWUS55 KTWC 222053
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
153 PM MST Thu Jul 22 2021
AZC019-222115-
/O.CON.KTWC.SV.W.0085.000000T0000Z-210722T2115Z/
Pima-
153 PM MST Thu Jul 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM MST
FOR CENTRAL PIMA COUNTY...
At 153 PM MST, a severe thunderstorm was located near Three Points,
or 17 miles northwest of Green Valley, moving west at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Three Points.
This includes the following highways...
Route 86 between mile markers 140 and 152.
Route 286 between mile markers 33 and 45.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3204 11112 3188 11117 3192 11154 3213 11145
TIME...MOT...LOC 2053Z 103DEG 16KT 3198 11127
HAIL...1.00IN
WIND...60MPH
$$
AH221
WWUS55 KTWC 222107
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
207 PM MST Thu Jul 22 2021
AZC019-222117-
/O.EXP.KTWC.SV.W.0085.000000T0000Z-210722T2115Z/
Pima-
207 PM MST Thu Jul 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PIMA COUNTY WILL
EXPIRE AT 215 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 3204 11112 3188 11117 3192 11154 3213 11145
TIME...MOT...LOC 2107Z 103DEG 16KT 3199 11134
$$
AHThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 6:15 PM MST | Special Weather Statement | TWC | Santa Cruz | 45 min |
| Jul 21, 6:35 PM MST | Special Weather Statement | TWC | Pima | 55 min |
| Jul 21, 7:04 PM MST | Special Weather Statement | TWC | Pima | 41 min |
| Jul 21, 9:02 PM MST | Special Weather Statement | TWC | 43 min | |
| Jul 22, 1:04 PM MST | Special Weather Statement | TWC | Santa Cruz | 26 min |
| Jul 22, 2:34 PM MST | Special Weather Statement | TWC | Santa Cruz | 26 min |
| Jul 22, 2:36 PM MST | Areal Flood Advisory | TWC | Graham, Pinal | 3 hr |
| Jul 22, 2:43 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 47 min |
| Jul 22, 2:51 PM MST | Severe Thunderstorm Warning | TWC | Pima | 39 min |
| Jul 22, 3:17 PM MST | Dust Storm Advisory | TWC | Pima, Pinal | 58 min |
| Jul 22, 3:27 PM MST | Severe Thunderstorm Warning | TWC | Pima | 27 min |
| Jul 22, 3:56 PM MST | Dust Storm Advisory | TWC | Pima, Pinal | 34 min |
| Jul 22, 4:01 PM MST | Severe Thunderstorm Warning | TWC | Pima | 59 min |
| Jul 22, 4:11 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Jul 22, 4:35 PM MST | Flash Flood Warning | 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.