Alert archive / Arizona / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 7, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jun 30, 2011, 3:30 PM MST for Cochise County, Santa Cruz County, Arizona. It was in force for 29 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 30, 2011, 3:30 PM MST (22:30 UTC)
- Expired
- Jun 30, 2011, 3:59 PM MST
- In force
- 29 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
Counties Cochise County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 53 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 93 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
- 115 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 2042 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
424 WUUS55 KTWC 302230 SVRTWC AZC003-023-302315- /O.NEW.KTWC.SV.W.0007.110630T2230Z-110630T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 330 PM MST THU JUN 30 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA... THIS INCLUDES THE CITY OF SIERRA VISTA... EAST CENTRAL SANTA CRUZ COUNTY IN SOUTHEAST ARIZONA... * UNTIL 415 PM MST * AT 320 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. ONE STORM WAS LOCATED NEAR SIERRA VISTA...AND ANOTHER WAS NEAR PARKER CANYON LAKE...BOTH MOVING EAST AT 5 MPH. THIS WARNING IS AN EXTENSION AND EXPANSION OF THE PREVIOUS WARNING FOR THIS AREA. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAMSEY CANYON PRESERVE...NICKSVILLE AND CHARLESTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH... LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM. && LAT...LON 3136 11024 3136 11060 3175 11043 3166 11009 TIME...MOT...LOC 2228Z 284DEG 2KT 3154 11032 $$ MEYER
1 follow-up statement
149 WWUS55 KTWC 302259 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 359 PM MST THU JUN 30 2011 AZC003-023-302308- /O.CAN.KTWC.SV.W.0007.000000T0000Z-110630T2315Z/ COCHISE AZ-SANTA CRUZ AZ- 359 PM MST THU JUN 30 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SANTA CRUZ AND SOUTHWESTERN COCHISE COUNTIES IS CANCELLED... AT 355 PM MST THE THUNDERSTORMS IN SOUTHWESTERN COCHISE COUNTY HAD DIMINISHED BELOW SEVERE LEVELS. THE WARNING WAS CANCELLED. LAT...LON 3136 11024 3136 11060 3175 11043 3166 11009 TIME...MOT...LOC 2258Z 284DEG 2KT 3154 11030 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 5:00 PM MST | Severe Thunderstorm Warning | TWC | Graham | 45 min |
| Jun 29, 5:16 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jun 29, 5:40 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 50 min |
| Jun 29, 6:28 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 47 min |
| Jun 29, 6:58 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jun 29, 11:34 PM MST | Areal Flood Advisory | TWC | Cochise | 86 min |
| Jun 30, 2:52 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Santa Cruz | 38 min |
| Jun 30, 3:00 PM MST | Heat Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 28 hr |
| Jun 30, 3:00 PM MST | Heat Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 52 hr |
| Jun 30, 3:23 PM MST | Special Weather Statement | TWC | Santa Cruz | 22 min |
| Jun 30, 3:37 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 84 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2011Every severe thunderstorm warning in 2011
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.