Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 41, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 5, 2012, 6:08 PM MST for Pima County, Arizona. It was in force for 52 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 5, 2012, 6:08 PM MST (01:08 UTC)
- Expired
- Aug 5, 2012, 7:00 PM MST
- In force
- 52 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
County Pima County, AZ
The radar
The Tucson radar (KEMX), 45 km from the middle of the area, began a volume at 01:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 5, 6:30 PM MST | TSTM WND DMG | Tucson, AZ | MULTIPLE TREES DOWN IN ROADS THROUGHOUT TUCSON |
| Aug 5, 6:49 PM MST | TSTM WND DMG | 5 Ne Davis-Monthan Air, AZ | TREE FROM MEDIAN DOWN ON SPEEDWAY AND PANTANO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 00:00Z, 1.1 hours before the alert went out and 7 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
- 76 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 3368 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
799 WUUS55 KTWC 060108 SVRTWC AZC019-060200- /O.NEW.KTWC.SV.W.0041.120806T0108Z-120806T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 608 PM MST SUN AUG 5 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 CITY OF TUCSON... * UNTIL 700 PM MST * AT 607 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 7 MILES SOUTHEAST OF TUCSON... AND MOVING NORTHWEST AT 15 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DAVIS-MONTHAN AIR FORCE BASE...SABINO CANYON...TUCSON INTERNATIONAL AIRPORT...CATALINA FOOTHILLS...SAN XAVIER MISSION AND SOUTH TUCSON. 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 3209 11117 3241 11106 3232 11070 3200 11076 TIME...MOT...LOC 0109Z 115DEG 13KT 3219 11085 $$ GL
2 follow-up statements
390 WWUS55 KTWC 060119 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 619 PM MST SUN AUG 5 2012 AZC019-060200- /O.CON.KTWC.SV.W.0041.000000T0000Z-120806T0200Z/ PIMA AZ- 619 PM MST SUN AUG 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MST FOR EAST CENTRAL PIMA COUNTY... AT 611 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DAVIS-MONTHAN AIR FORCE BASE...OR 6 MILES SOUTHEAST OF TUCSON...MOVING NORTHWEST AT 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH... LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM. && LAT...LON 3209 11117 3241 11106 3232 11070 3200 11076 TIME...MOT...LOC 0120Z 115DEG 13KT 3221 11089 $$ GL
381 WWUS55 KTWC 060136 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 636 PM MST SUN AUG 5 2012 AZC019-060200- /O.CON.KTWC.SV.W.0041.000000T0000Z-120806T0200Z/ PIMA AZ- 636 PM MST SUN AUG 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MST FOR EAST CENTRAL PIMA COUNTY... AT 630 PM MST...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CATALINA FOOTHILLS...OR NEAR TUCSON...MOVING NORTHWEST AT 15 MPH. AN URBAN AND SMALL STREAM FLOOD ADVISORY IS ALSO IN EFFECT FOR THE TUCSON AREA. 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 3209 11117 3241 11106 3232 11070 3200 11076 TIME...MOT...LOC 0136Z 115DEG 13KT 3230 11093 $$ GL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 5:21 PM MST | Special Weather Statement | TWC | Santa Cruz | 39 min |
| Aug 5, 5:55 PM MST | Special Weather Statement | TWC | 50 min | |
| Aug 5, 6:26 PM MST | Areal Flood Advisory | TWC | Pima | 94 min |
| Aug 5, 6:56 PM MST | Severe Thunderstorm Warning | TWC | Pima | 49 min |
| Aug 5, 6:58 PM MST | Severe Thunderstorm Warning | TWC | Pima | 24 min |
| Aug 5, 7:11 PM MST | Dust Storm Warning | TWC | Pima, Pinal | 86 min |
| Aug 5, 7:32 PM MST | Special Weather Statement | TWC | Pinal | 43 min |
| Aug 5, 7:48 PM MST | Special Weather Statement | TWC | Cochise | 27 min |
| Aug 6, 2:23 PM MST | Special Weather Statement | TWC | Pima | 52 min |
| Aug 6, 4:41 PM MST | Special Weather Statement | TWC | 64 min | |
| Aug 6, 4:56 PM MST | Severe Thunderstorm Warning | TWC | Pima | 34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.