Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 63, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 15, 2021, 2:52 PM MST for Cochise 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 15, 2021, 2:52 PM MST (21:52 UTC)
- Expired
- Jul 15, 2021, 3:30 PM MST
- In force
- 38 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 125 km from the middle of the area, began a volume at 21:54 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, 9.9 hours before the alert went out and 149 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
- 1024 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1408 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
933 WUUS55 KTWC 152152 SVRTWC AZC003-152230- /O.NEW.KTWC.SV.W.0063.210715T2152Z-210715T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tucson AZ 252 PM MST Thu Jul 15 2021 The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Northeastern Cochise County in southeastern Arizona... * Until 330 PM MST. * At 252 PM MST, a severe thunderstorm was located 8 miles north of Chiricahua National Monument, moving southeast at 15 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Chiricahua National Monument and Paradise. This includes Route 181 near mile marker 64. 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 3215 10945 3222 10932 3197 10905 3183 10932 TIME...MOT...LOC 2152Z 329DEG 14KT 3214 10935 HAIL...0.88IN WIND...60MPH $$ Carpenter
2 follow-up statements
705 WWUS55 KTWC 152215 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 315 PM MST Thu Jul 15 2021 AZC003-152230- /O.CON.KTWC.SV.W.0063.000000T0000Z-210715T2230Z/ Cochise- 315 PM MST Thu Jul 15 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM MST FOR EAST CENTRAL COCHISE COUNTY... At 315 PM MST, a severe thunderstorm was located near Chiricahua National Monument, moving southeast at 15 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Chiricahua National Monument and Paradise. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3204 10940 3211 10920 3197 10905 3183 10932 TIME...MOT...LOC 2215Z 329DEG 14KT 3206 10929 HAIL...0.88IN WIND...60MPH $$ Carpenter
754
WWUS55 KTWC 152229
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
329 PM MST Thu Jul 15 2021
AZC003-152239-
/O.EXP.KTWC.SV.W.0063.000000T0000Z-210715T2230Z/
Cochise-
329 PM MST Thu Jul 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COCHISE 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 3204 10940 3211 10920 3197 10905 3183 10932
TIME...MOT...LOC 2229Z 329DEG 14KT 3202 10926
$$
CarpenterThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 5:33 PM MST | Special Weather Statement | TWC | 27 min | |
| Jul 14, 5:41 PM MST | Special Weather Statement | TWC | 49 min | |
| Jul 15, 6:07 AM MST | Areal Flood Advisory | TWC | Pima | 113 min |
| Jul 15, 6:33 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Jul 15, 8:12 AM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Jul 15, 8:32 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Jul 15, 8:40 AM MST | Flash Flood Warning | TWC | Pima | 114 min |
| Jul 15, 1:51 PM MST | Areal Flood Advisory | TWC | Cochise, Graham | 3 hr |
| Jul 15, 1:55 PM MST | Special Weather Statement | TWC | Greenlee | 35 min |
| Jul 15, 2:19 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 41 min |
| Jul 15, 2:31 PM MST | Areal Flood Advisory | TWC | Cochise | 119 min |
| Jul 15, 3:15 PM MST | Severe Thunderstorm Warning | TWC | Graham | 45 min |
| Jul 15, 3:30 PM MST | Areal Flood Advisory | TWC | Graham, Greenlee | 3 hr |
| Jul 15, 3:57 PM MST | Severe Thunderstorm Warning | TWC | Graham | 33 min |
| Jul 15, 4:29 PM MST | Flash Flood Warning | TWC | Graham | 2 hr |
| Jul 15, 4:42 PM MST | Special Weather Statement | TWC | Graham | 33 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.