Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 1, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jun 16, 2012, 2:38 PM MST for Pima County, Arizona. It was in force for 37 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 16, 2012, 2:38 PM MST (21:38 UTC)
- Expired
- Jun 16, 2012, 3:15 PM MST
- In force
- 37 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
County Pima County, AZ
The radar
The Tucson radar (KEMX), 53 km from the middle of the area, began a volume at 21:40 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, 9.6 hours before the alert went out and 14 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3381 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
639 WUUS55 KTWC 162138 SVRTWC AZC019-162215- /O.NEW.KTWC.SV.W.0001.120616T2138Z-120616T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 238 PM MST SAT JUN 16 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA... THIS INCLUDES THE CITIES OF...TUCSON...ORO VALLEY...MARANA... * UNTIL 315 PM MST * AT 230 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED NEAR WEST TUCSON AND EXTENDED DOWN TO NEAR SAHUARITA AND INTERSTATE 19. MOVEMENT WAS TO THE NORTH AT 15 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CATALINA FOOTHILLS AND TUCSON INTERNATIONAL AIRPORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH ACCOMPANIED BY BLOWING DUST AND LIMITED VISIBILITIES...FOLLOWED BY LOCALLY HEAVY RAINFALL. && LAT...LON 3246 11126 3249 11094 3187 11069 3186 11101 TIME...MOT...LOC 2135Z 167DEG 16KT 3222 11104 $$ MEYER
2 follow-up statements
293 WWUS55 KTWC 162149 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 249 PM MST SAT JUN 16 2012 AZC019-162215- /O.CON.KTWC.SV.W.0001.000000T0000Z-120616T2215Z/ PIMA AZ- 249 PM MST SAT JUN 16 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM MST FOR EAST CENTRAL PIMA COUNTY... AT 245 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE AN AREA OF SEVERE THUNDERSTORMS EXTENDING FROM NEAR NORTHWEST AND WEST TUCSON SOUTHWARD TOWARD SAHUARITA. MOVEMENT WAS TO THE NORTH AT ABOUT 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH ACCOMPANIED BY BLOWING DUST AND LIMITED VISIBILITIES...FOLLOWED BY LOCALLY HEAVY RAINFALL. && LAT...LON 3246 11126 3249 11094 3187 11069 3186 11101 TIME...MOT...LOC 2148Z 167DEG 16KT 3228 11106 $$ MEYER
184 WWUS55 KTWC 162217 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 317 PM MST SAT JUN 16 2012 AZC019-162226- /O.EXP.KTWC.SV.W.0001.000000T0000Z-120616T2215Z/ PIMA AZ- 317 PM MST SAT JUN 16 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PIMA COUNTY HAS EXPIRED... AT 315 PM MST THE STRONGEST THUNDERSTORM ACTIVITY HAD SHIFTED TO THE WEST. THUNDERSTORM ACTIVITY WAS RAPIDLY WEAKENING IN THE TUCSON AREA. LAT...LON 3246 11126 3249 11094 3187 11069 3186 11101 TIME...MOT...LOC 2149Z 167DEG 16KT 3228 11106 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 1:15 PM MST | Special Weather Statement | TWC | 45 min | |
| Jun 16, 1:50 PM MST | Special Weather Statement | TWC | Santa Cruz | 25 min |
| Jun 16, 2:22 PM MST | Special Weather Statement | TWC | 38 min | |
| Jun 16, 3:21 PM MST | Severe Thunderstorm Warning | TWC | Pima | 39 min |
| Jun 16, 3:38 PM MST | Dust Storm Warning | TWC | Pima, Pinal | 112 min |
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.