Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 86, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 22, 2021, 2:43 PM MST for Pima County, Santa Cruz County, Arizona. It was in force for 47 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, 2:43 PM MST (21:43 UTC)
- Expired
- Jul 22, 2021, 3:30 PM MST
- In force
- 47 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Pima County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 14 km from the middle of the area, began a volume at 21:44 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, 9.7 hours before the alert went out and 44 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.
510 WUUS55 KTWC 222143 SVRTWC AZC019-023-222230- /O.NEW.KTWC.SV.W.0086.210722T2143Z-210722T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tucson AZ 243 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... North central Santa Cruz County in southeastern Arizona... * Until 330 PM MST. * At 243 PM MST, a severe thunderstorm was located 7 miles north of Sonoita, or 19 miles southeast of Sahuarita, moving west 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... East Sahuarita, Sonoita and Madera Canyon. This includes the following highways... Route 82 near mile marker 33. Route 83 between mile markers 33 and 49. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3186 11057 3168 11064 3169 11095 3193 11091 TIME...MOT...LOC 2143Z 100DEG 9KT 3179 11068 HAIL...0.75IN WIND...60MPH $$ RH
2 follow-up statements
578
WWUS55 KTWC 222208
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
308 PM MST Thu Jul 22 2021
AZC023-222217-
/O.CAN.KTWC.SV.W.0086.000000T0000Z-210722T2230Z/
Santa Cruz-
308 PM MST Thu Jul 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SANTA CRUZ
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.
LAT...LON 3188 11068 3175 11073 3175 11094 3193 11091
TIME...MOT...LOC 2207Z 100DEG 9KT 3180 11075
$$
AZC019-222230-
/O.CON.KTWC.SV.W.0086.000000T0000Z-210722T2230Z/
Pima-
308 PM MST Thu Jul 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM MST
FOR EAST CENTRAL PIMA COUNTY...
At 307 PM MST, a severe thunderstorm was located 9 miles northwest of
Sonoita, or 16 miles southeast of Sahuarita, moving west at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
East Sahuarita.
This includes Route 83 between mile markers 43 and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3188 11068 3175 11073 3175 11094 3193 11091
TIME...MOT...LOC 2207Z 100DEG 9KT 3180 11075
HAIL...<.75IN
WIND...60MPH
$$
RH102
WWUS55 KTWC 222222
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
322 PM MST Thu Jul 22 2021
AZC019-222232-
/O.EXP.KTWC.SV.W.0086.000000T0000Z-210722T2230Z/
Pima-
322 PM MST Thu Jul 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PIMA COUNTY WILL
EXPIRE AT 330 PM MST...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 3188 11068 3175 11073 3175 11094 3193 11091
TIME...MOT...LOC 2222Z 100DEG 9KT 3181 11079
$$
RHThe 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, 1:37 PM MST | Severe Thunderstorm Warning | TWC | Pima | 38 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, 2:51 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.