Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 13, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 13, 2012, 4:26 PM MST for Pima County, Arizona. It was in force for 49 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 13, 2012, 4:26 PM MST (23:26 UTC)
- Expired
- Jul 13, 2012, 5:15 PM MST
- In force
- 49 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
County Pima County, AZ
The radar
The Tucson radar (KEMX), 19 km from the middle of the area, began a volume at 23:28 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, 11.4 hours before the alert went out and 27 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
- 17 J/kg
- Mixed-layer CIN
- -267 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
948 WUUS55 KTWC 132326 SVRTWC AZC019-140015- /O.NEW.KTWC.SV.W.0013.120713T2326Z-120714T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 426 PM MST FRI JUL 13 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA... * UNTIL 515 PM MST * AT 418 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 14 MILES EAST OF SAHUARITA...OR 16 MILES EAST OF GREEN VALLEY...AND MOVING NORTHWEST AT 15 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CORONA DE TUCSON...VAIL AND RITA RANCH. 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 3190 11101 3215 11079 3193 11061 3178 11073 TIME...MOT...LOC 2326Z 124DEG 12KT 3191 11076 $$ MEYER
2 follow-up statements
740 WWUS55 KTWC 132350 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 450 PM MST FRI JUL 13 2012 AZC019-140015- /O.CON.KTWC.SV.W.0013.000000T0000Z-120714T0015Z/ PIMA AZ- 450 PM MST FRI JUL 13 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MST FOR EAST CENTRAL PIMA COUNTY... AT 442 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CORONA DE TUCSON...OR 14 MILES NORTHEAST OF GREEN VALLEY...MOVING NORTHWEST AT 15 MPH. STRONG OUTFLOW FROM THIS STORM IS ALSO PUSHING AHEAD OF THE STORM AND TOWARD SOUTHEAST TUCSON. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM. && LAT...LON 3190 11101 3215 11079 3193 11061 3178 11073 TIME...MOT...LOC 2349Z 124DEG 12KT 3197 11083 $$ MEYER
734 WWUS55 KTWC 140015 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 515 PM MST FRI JUL 13 2012 AZC019-140023- /O.EXP.KTWC.SV.W.0013.000000T0000Z-120714T0015Z/ PIMA AZ- 515 PM MST FRI JUL 13 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PIMA COUNTY WILL EXPIRE AT 515 PM MST... AT 510 PM MST THE THUNDERSTORM SOUTH OF TUCSON HAD DIMINISHED TO BELOW SEVERE LEVELS. AN OUTFLOW FROM THIS STORM WITH WIND GUSTS TO 35 MPH WILL PUSH THROUGH THE METRO AREA OVER THE NEXT HOUR. ADDITIONAL THUNDERSTORM DEVELOPMENT IS POSSIBLE INTO THE EARLY EVENING. LAT...LON 3190 11101 3215 11079 3193 11061 3178 11073 TIME...MOT...LOC 0013Z 124DEG 12KT 3201 11091 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 5:25 PM MST | Severe Thunderstorm Warning | TWC | Pima | 65 min |
| Jul 12, 5:40 PM MST | Special Weather Statement | TWC | 35 min | |
| Jul 12, 5:41 PM MST | Areal Flood Advisory | TWC | Pima | 109 min |
| Jul 12, 6:24 PM MST | Severe Thunderstorm Warning | TWC | Pima | 51 min |
| Jul 12, 6:55 PM MST | Severe Thunderstorm Warning | TWC | Pima | 39 min |
| Jul 12, 6:59 PM MST | Areal Flood Warning | TWC | Pima | 6 hr |
| Jul 12, 11:28 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 3 hr |
| Jul 13, 1:05 AM MST | Areal Flood Advisory | TWC | Pima | 6 hr |
| Jul 13, 1:26 PM MST | Areal Flood Advisory | TWC | Cochise, Graham, Pima, Pinal | 3 hr |
| Jul 13, 1:49 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
| Jul 13, 3:34 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 26 min |
| Jul 13, 3:45 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 3 hr |
Nearby
Severe Thunderstorm Warnings in Arizona, 2012Every severe thunderstorm warning in 2012
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.