Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 82, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 3, 2003, 3:10 AM CDT for Shackelford County, Texas. It was in force for 50 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 3, 2003, 3:10 AM CDT (08:10 UTC)
- Expired
- May 3, 2003, 4:00 AM CDT
- In force
- 50 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County 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 nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 8.2 hours before the alert went out and 182 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
- 2747 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 846 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 12.6
The text
As transmitted, in the capitals the NWS used until 2016.
251 WUUS54 KSJT 030810 SVRSJT TXC417-030900- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 310 AM CDT SAT MAY 3 2003 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SHACKELFORD COUNTY IN NORTH CENTRAL TEXAS * UNTIL 400 AM CDT * AT 307 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER ALBANY...MOVING NORTHEAST AT 15 MPH. * THE STORM WILL BE NEAR... FORT GRIFFIN AROUND 335 AM HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 60 MPH CAN BE EXPECTED WITH THIS STORM. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. LAT...LON 3278 9945 3262 9935 3279 9891 3297 9903 $$ 08
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 3, 2:42 AM CDT, 28 minutes earlier.
Area forecast discussion, May 3, 2:42 AM CDT, 28 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...CORRECTED TO ADD CCF NATIONAL WEATHER SERVICE SAN ANGELO TX 242 AM CDT SAT MAY 03 2003 CURRENT... SCATTERED THUNDERSTORMS HAVE DISSIPATED OR MOVED EASTWARD OUT OF THE SOUTHEAST BIG COUNTRY AND HEARTLAND. COLD FRONT HAD MOVED SOUTHWARD YESTERDAY EVENING AND HAS STALLED IN AN EAST-WEST CONFIGURATION... ROUGHLY FROM SAN SABA TO FAR NORTHERN CROCKETT COUNTY. LOW CLOUDS DEVELOPING ACROSS WEST CENTRAL TX ON BOTH SIDES OF THE FRONT. TODAY THROUGH SUNDAY... SHORTWAVE RIDGING ALOFT INTO SOUTHERN PLAINS TO OCCUR TODAY AS UPPER TROUGH MOVES INTO WESTERN US. SURFACE FRONT TO MOVE BACK NORTHWARD AS A WARM FRONT TOWARD THE RED RIVER BY LATE TODAY. DRYLINE TO MIX EASTWARD POSSIBLY INTO OUR WESTERN COUNTIES. STRONGER CAPPING TO SET UP TODAY WHICH SHOULD GENERALLY INHIBIT THUNDERSTORM DEVELOPMENT ACROSS CENTRAL AND SOUTHERN COUNTIES. WITH A BIT WEAKER CAPPING INDICATED FOR THE BIG COUNTRY ALONG WITH WARM FRONT LIFTING NORTH ACROSS THAT AREA LATE MORNING OR EARLY AFTERNOON...WILL CARRY A LOW POP THERE TODAY. WITH TIGHTENING PRESSURE GRADIENT...MARGINALLY BREEZY CONDITIONS TO DEVELOP ACROSS BIG COUNTRY THIS AFTERNOON. TONIGHT AND SUNDAY THE UPPER TROUGH TO PROGRESS ACROSS THE ROCKIES AND EMERGE OUT INTO CENTRAL AND NORTHERN PLAINS. ASSOCIATED PACIFIC COLD FRONT TO MOVE INTO NORTHWESTERN TX EARLY SUNDAY MORNING...WITH THE FRONT SLOWLY ADVANCING ACROSS OUR COUNTIES SUNDAY AFTERNOON INTO EARLY SUNDAY NIGHT. MAY HAVE A PREFRONTAL SURFACE TROUGH OR DRYLINE WITH THE FRONT GRADUALLY OVERTAKING IT. TEMPERATURES TO BE WELL ABOVE NORMAL THIS WEEKEND...AND LOW LEVEL JET WILL HELP TO KEEP WINDS AND TEMPERATURES UP TONIGHT. THUNDERSTORM CHANCES SUNDAY INTO SUNDAY NIGHT PROBLEMATIC...AS LOW LEVEL FLOW IS PROGGED TO BECOME SOUTHWEST...WITH DRY SLOTTING INDICATED. WITH DECENT CONVERGENCE AND LIFT ALONG THE SURFACE BOUNDARIES...WILL CARRY A 20-30 POP WITH BEST CHANCE IN OUR EASTERN COUNTIES CLOSER TO THE DEEPER MOISTURE. IF SUFFICIENT MOISTURE CAN BE RETAINED WHEN THE FRONT APPROACHES...THEN POPS WOULD NEED TO BE INCREASED. MONDAY INTO MIDWEEK... RAIN CHANCES PROBLEMATIC IN THIS TIME PERIOD AS WELL. AS BROAD UPPER TROUGH EVOLVES ACROSS NORTH-CENTRAL US...GFS BRINGS A SECONDARY COLD FRONT SOUTHEASTWARD INTO OUR COUNTIES MONDAY BEFORE STALLING. FRONT PROGGED TO REMAIN IN THE VICINITY INTO WEDNESDAY. WEAK SHORTWAVE ENERGY TO AFFECT SOUTHERN PLAINS AND TX BEFORE MAIN SHORTWAVE TROUGH MOVES INTO THE REGION FROM SOUTHERN ROCKIES LATER TUESDAY NIGHT. DESPITE THE SURFACE AND UPPER SUPPORT THE GFS INDICATES DRY SLOTTING IN OUR REGION...WITH THE BETTER MOISTURE CONFINED TO OUR EASTERN COUNTIES. GIVEN THE UNCERTAINTY AND THE TREND THIS SPRING FOR SCATTERED THUNDERSTORM COVERAGE IN WEST CENTRAL TX...AT THIS TIME WILL CARRY SLIGHT CHANCE POPS WEST AND CENTRAL WITH CHANCE POPS IN THE EAST. ABI 094/073/094/062/087 20211 SJT 096/072/097/065/089 00211 JCT 093/071/096/068/091 -033- .SJT...CAUTION ON AREA LAKES IN THE BIG COUNTRY TODAY. 19
Hazardous weather outlook, May 2, 2:22 PM CDT, 12 hours 48 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-031100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 222 PM CDT FRI MAY 2 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS. .DAY ONE...TODAY THE ATMOSPHERE OVER WEST CENTRAL TEXAS WILL BE MODERATELY UNSTABLE AND SUPPORTIVE OF THUNDERSTORM DEVELOPMENT THIS AFTERNOON. THUNDERSTORMS SHOULD INITIALLY DEVELOP NEAR A STATIONARY FRONT THAT EXTENDS ALONG AND TO THE SOUTH OF INTERSTATE 20. THIS AREA INCLUDES THE SOUTHERN BIG COUNTRY... NORTHERN CONCHO VALLEY...AND THE HEARTLAND. INSTABILITY WILL BE SUFFICIENT TO SUPPORT SEVERE THUNDERSTORM DEVELOPMENT OVER ALL BUT THE WESTERN MOST PORTIONS OF WEST CENTRAL TEXAS THROUGH MID EVENING. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY SEVERE WEATHER THREATS. .DAYS TWO THROUGH SEVEN... ISOLATED THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON ACROSS THE HEARTLAND AND NORTHWEST HILL COUNTRY. AN UPPER LEVEL DISTURBANCE WILL APPROACH WEST CENTRAL TEXAS BY THE MIDDLE OF NEXT WEEK... BRINGING A CHANCE OF THUNDERSTORMS TUESDAY AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. 14
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 10:07 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 53 min |
| May 2, 11:17 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 28 min |
| May 3, 5:50 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 60 min |
| May 3, 6:33 PM CDT | Tornado Warning | SJT | Haskell | 57 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.