Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 91, NWS San Angelo, TX

May 7, 2003Jones County, Shackelford County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 7, 2003, 6:45 PM CDT for Jones County, Shackelford County, Texas. It was in force for 60 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
May 7, 2003, 6:45 PM CDT (23:45 UTC)
Expired
May 7, 2003, 7:45 PM CDT
In force
60 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Jones County, TX, Shackelford County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 7, 5:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.8 hours before the alert went out and 226 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.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 2003-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1392 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2003-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1392 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

999 
WUUS54 KSJT 072345
SVRSJT
TXC253-417-080045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
644 PM CDT WED MAY 7 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SHACKELFORD COUNTY IN NORTH CENTRAL TEXAS
  JONES COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 745 PM CDT

* AT 641 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM PRODUCING GOLF BALL SIZE HAIL 2 MILES 
SOUTHWEST    OF HAWLEY...OR ABOUT 11 MILES NORTHWEST OF 
ABILENE...MOVING EAST     AT 30 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   LAKE FORT PHANTOM HILL AT 700 PM CDT
   NUGENT AT 700 PM CDT

HAIL UP TO THE SIZE OF GOLF BALLS AND DAMAGING WINDS IN EXCESS OF 70
MPH CAN BE EXPECTED FROM THIS STORM. MOVE TO AN INTERIOR ROOM ON THE 
LOWEST FLOOR OF A STURDY BUILDING AND STAY AWAY FROM WINDOWS. 
REMEMBER...SEVERE THUNDERSTORMS MAY PRODUCE TORNADOES WITH LITTLE 
ADVANCE WARNING.

LAT...LON 3267 9995 3255 9995 3254 9927 3275 9937

$$

07

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 5:37 PM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, May 7, 5:37 PM CDT, 1 hour 8 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
537 PM CDT WED MAY 7 2003

UPDATED THE ZONES AT 515 PM FOR TORNADO WATCH IN THE BIG
COUNTRY...AND TO INCLUDE ISOLATED THUNDERSTORMS EARLY TONIGHT CONCHO
VALLEY...WHERE ENHANCED CUMULUS FIELD EXISTS.

400 PM DISCUSSION...

CURRENT...SATELLITE IMAGERY INDICATING CUMULUS DEVELOPING ALONG A
BOUNDARY WHICH EXTENDS FROM THE EASTERN PERMIAN BASIN SOUTHEAST
ACROSS THE CONCHO VALLEY INTO THE NORTHWEST HILL COUNTRY. SO
FAR...THE CAP IS HOLDING.

DAYS 1-3...GIVEN CURRENT CUMULUS DEVELOPMENT...WILL CONTINUE LOW
POPS ACROSS OUR NORTHERN ZONES FOR TONIGHT. NEXT CHANCE FOR RAIN
WILL BE FRIDAY WHEN THE DRYLINE WILL PROVIDE A SURFACE FOCUS AS IT
BEGINS TO MIGRATE SLOWLY EAST AHEAD OF AN APPROACHING COLD FRONT.
COLD FRONT PUSHES ACROSS WEST CENTRAL TEXAS SATURDAY. WILL CONTINUE
LOW POPS MAINLY FOR THE BIG COUNTRY FOR FRIDAY NIGHT AND SATURDAY.
NUMBER CLOSE TO GUIDANCE LOOK GOOD.

DAYS 4-7...MOISTURE RETURNS QUICKLY AFTER THE FRONT IN THE FORM OF A
DRYLINE. WILL CONTINUE SLIGHT CHANCE OVER MOST OF WEST CENTRAL TEXAS
THROUGH MID WEEK...ESPECIALLY GIVE UNCERTAINTY OF THE DRYLINE
POSITION FOR THESE PERIODS.

THANKS TO OUN...FTW...AND LBB FOR COORDINATION WITH GRIDS.

CCF PRELIMS...

ABI 070/094/066/090  2002
SJT 070/095/068/093  1000
JCT 072/093/071/091  0000

.SJT...NONE.

23/HUBER
Hazardous weather outlook, May 7, 2:15 PM CDT, 4 hours 30 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-081930-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
215 PM CDT WED MAY 7 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...
THE ATMOSPHERE WILL BE SLIGHTLY UNSTABLE THIS AFTERNOON AND EARLY
EVENING. DUE TO WARM TEMPERATURES ALOFT...ORGANIZED THUNDERSTORM
DEVELOPMENT IS NOT ANTICIPATED. HOWEVER...AN ISOLATED STRONG
THUNDERSTORM OR TWO WILL BE POSSIBLE THROUGH EARLY EVENING.

.DAYS TWO THROUGH SEVEN...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE LATE FRIDAY AND EARLY
SATURDAY...AND AGAIN ON MONDAY AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.

14

In the hours before

Local storm report, May 7, 6:28 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
0628 PM CDT WED MAY 07 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0626 PM    SAGERTON                  TX   0.88 IN HAIL
05/07/03   HASKELL

0623 PM    SAGERTON                  TX   0.88 IN HAIL
05/07/03   HASKELL

19
Local storm report, May 7, 6:28 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SAN ANGELO TX
0628 PM CDT WED MAY 07 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0623 PM    SAGERTON                  TX   0.88 IN HAIL
05/07/03   HASKELL

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 5:44 PM CDTSevere Thunderstorm WarningSJTFisher, Jones61 min
May 7, 6:26 PM CDTSevere Thunderstorm WarningSJTHaskell64 min
May 7, 6:55 PM CDTTornado WarningSJTJones, Shackelford65 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003

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.