Alert archive / Arizona / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 71, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 7, 2011, 12:13 PM MST for Cochise 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
- Aug 7, 2011, 12:13 PM MST (19:13 UTC)
- Expired
- Aug 7, 2011, 1:00 PM MST
- In force
- 47 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
Counties Cochise County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 63 km from the middle of the area, began a volume at 19:15 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, 7.2 hours before the alert went out and 102 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
- 897 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 1635 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
117
WUUS55 KTWC 071913
SVRTWC
AZC003-023-072000-
/O.NEW.KTWC.SV.W.0071.110807T1913Z-110807T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
1213 PM MST SUN AUG 7 2011
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA...
SOUTHEASTERN SANTA CRUZ COUNTY IN SOUTHEAST ARIZONA...
* UNTIL 100 PM MST
* AT 1206 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR PARKER CANYON LAKE...OR 13
MILES SOUTHWEST OF SIERRA VISTA. THIS STORM WAS NEARLY STATIONARY.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
RAMSEY CANYON PRESERVE AND CORONADO NATIONAL MEMORIAL
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 3142 11057 3155 11041 3135 11014 3132 11021
3133 11022 3132 11024 3132 11049
TIME...MOT...LOC 1913Z 317DEG 1KT 3140 11042
$$
MEYER2 follow-up statements
302
WWUS55 KTWC 071932
SVSTWC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1232 PM MST SUN AUG 7 2011
AZC003-023-072000-
/O.CON.KTWC.SV.W.0071.000000T0000Z-110807T2000Z/
COCHISE AZ-SANTA CRUZ AZ-
1232 PM MST SUN AUG 7 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM MST
FOR SOUTHEASTERN SANTA CRUZ AND SOUTHWESTERN COCHISE COUNTIES...
AT 1224 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH AND GENERATING HEAVY RAINFALL. THIS STORM WAS
LOCATED NEAR PARKER CANYON LAKE...OR 12 MILES SOUTHWEST OF SIERRA
VISTA. THIS STORM WAS NEARLY STATIONARY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH...
LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM.
&&
LAT...LON 3142 11057 3155 11041 3135 11014 3132 11021
3133 11022 3132 11024 3132 11049
TIME...MOT...LOC 1932Z 317DEG 1KT 3141 11042
$$
MEYER865
WWUS55 KTWC 071959
SVSTWC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1259 PM MST SUN AUG 7 2011
AZC003-023-072009-
/O.EXP.KTWC.SV.W.0071.000000T0000Z-110807T2000Z/
COCHISE AZ-SANTA CRUZ AZ-
1259 PM MST SUN AUG 7 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SANTA CRUZ AND
SOUTHWESTERN COCHISE COUNTIES HAS EXPIRED...
AT 1255 PM MST SHOWERS AND THUNDERSTORMS HAD WEAKENED NEAR PARKER
CANYON LAKE WITH THE STRONGEST ACTIVITY SHIFTING INTO SOUTHEAST
SANTA CRUZ COUNTY.
LAT...LON 3142 11057 3155 11041 3135 11014 3132 11021
3133 11022 3132 11024 3132 11049
TIME...MOT...LOC 1959Z 317DEG 1KT 3140 11041
$$
MEYERThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:27 PM MST | Areal Flood Advisory | TWC | Pima | 78 min |
| Aug 7, 1:06 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 105 min |
| Aug 7, 2:00 PM MST | Flash Flood Warning | TWC | Pima | 90 min |
| Aug 7, 2:31 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 44 min |
| Aug 7, 3:03 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 105 min |
| Aug 7, 3:14 PM MST | Severe Thunderstorm Warning | TWC | Pima | 46 min |
| Aug 7, 3:18 PM MST | Flash Flood Warning | TWC | Pima | 117 min |
| Aug 7, 4:46 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 104 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.