Alert archive / Arizona / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 57, NWS Tucson, AZ

August 10, 2012Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Aug 10, 2012, 5:05 PM MST for Pima County, Arizona. It was in force for 25 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 10, 2012, 5:05 PM MST (00:05 UTC)
Expired
Aug 10, 2012, 5:30 PM MST
In force
25 min
Issued by
NWS Tucson, AZ
Area
Storm-based polygon

County Pima County, AZ

The radar

The Phoenix radar (KIWA), 163 km from the middle of the area, began a volume at 00:06 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 text

As transmitted, in the capitals the NWS used until 2016.

374 
WUUS55 KTWC 110005
SVRTWC
AZC019-110030-
/O.NEW.KTWC.SV.W.0057.120811T0005Z-120811T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
505 PM MST FRI AUG 10 2012

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA...

* UNTIL 530 PM MST

* AT 458 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 18 MILES SOUTHEAST OF AJO...OR
  48 MILES NORTHWEST OF SELLS...AND MOVING WEST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  GUNSIGHT AND WHY...AND PARTS OF AJO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 
MPH..FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM.

&&

LAT...LON 3206 11305 3247 11296 3229 11253 3211 11257
TIME...MOT...LOC 0005Z 102DEG 18KT 3222 11267

$$
2 follow-up statements
525 
WWUS55 KTWC 110016
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
516 PM MST FRI AUG 10 2012

AZC019-110030-
/O.CON.KTWC.SV.W.0057.000000T0000Z-120811T0030Z/
PIMA AZ-
516 PM MST FRI AUG 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MST
FOR WEST CENTRAL PIMA COUNTY...

AT 510 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 WHY...MOVING WEST AT 
20 MPH.

LAT...LON 3206 11305 3247 11296 3229 11253 3211 11257
TIME...MOT...LOC 0015Z 102DEG 18KT 3223 11273

$$
204 
WWUS55 KTWC 110029
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
529 PM MST FRI AUG 10 2012

AZC019-110038-
/O.EXP.KTWC.SV.W.0057.000000T0000Z-120811T0030Z/
PIMA AZ-
529 PM MST FRI AUG 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL PIMA COUNTY WILL
EXPIRE AT 530 PM MST...

THE STORM THAT PROMPTED THE WARNING CONTINUED TO PRODUCE HEAVY 
RAINFALL BUT WAS NO LONGER EXPECTED TO PRODUCE WINDS IN EXCESS OF 58 
MPH. HOWEVER...WIND GUSTS TO NEAR 50 MPH WILL STILL BE POSSIBLE WITH 
THIS STORM AS IT TRACKS WEST AT 20 MPH THROUGH AREAS AROUND AJO.


LAT...LON 3206 11305 3247 11296 3229 11253 3211 11257
TIME...MOT...LOC 0028Z 102DEG 18KT 3224 11281

$$

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 5:32 PM MSTSevere Thunderstorm WarningTWCPima43 min
Aug 10, 6:23 PM MSTSpecial Weather StatementTWCPima52 min
Aug 11, 1:19 AM MSTSpecial Weather StatementTWCPima41 min
Aug 11, 2:02 PM MSTSpecial Weather StatementTWCPima43 min
Aug 11, 2:38 PM MSTSevere Thunderstorm WarningTWCPima22 min
Aug 11, 3:35 PM MSTSevere Thunderstorm WarningTWCPima40 min
Aug 11, 3:41 PM MSTSevere Thunderstorm WarningTWCPima34 min
Aug 11, 3:45 PM MSTSevere Thunderstorm WarningTWCPima45 min
Aug 11, 4:09 PM MSTAreal Flood AdvisoryTWCPima3 hr
Aug 11, 4:19 PM MSTSevere Thunderstorm WarningTWCPima26 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; radar from the NEXRAD Level II archive.