Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 95, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 9, 2003, 10:31 AM CDT for Nolan County, Texas. It was in force for 59 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 9, 2003, 10:31 AM CDT (15:31 UTC)
- Expired
- May 9, 2003, 11:30 AM CDT
- In force
- 59 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Nolan 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
Midland Regional, TX (KMAF), launched 12:00Z, 3.5 hours before the alert went out and 164 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
- 4389 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
368 WUUS54 KSJT 091531 SVRSJT TXC353-091630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1031 AM CDT FRI MAY 9 2003 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NOLAN COUNTY IN NORTHWEST TEXAS * UNTIL 1130 AM CDT * AT 1025 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES SOUTHWEST OF SWEETWATER...OR ABOUT 19 MILES SOUTHEAST OF COLORADO CITY...MOVING NORTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SWEETWATER AT 1105 AM CDT HAIL UP TO THE SIZE OF GOLF BALLS AND DAMAGING WINDS IN EXCESS OF 70 MPH CAN BE EXPECTED WITH THIS STORM. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 3230 10066 3210 10067 3243 10015 3251 10042 $$
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 9, 4:30 AM CDT, 6 hours 1 minute earlier.
Area forecast discussion, May 9, 4:30 AM CDT, 6 hours 1 minute before
WEST CENTRAL TEXAS FORECAST DISCUSSION...CORRECTION NATIONAL WEATHER SERVICE SAN ANGELO TX 430 AM CDT FRI MAY 9 2003 .CURRENT...SURFACE OBSERVATIONS AND SATELLITE IMAGERY DEPICT DRYLINE ROUGHLY ALONG A LINE FROM RANKIN AND SAN ANGELO...TO ABILENE AND THROCKMORTON. DRYLINE HAS MOVED VERY LITTLE SO FAR TONIGHT... PRIMARILY DUE TO VEERING WIND PROFILES IN WAKE OF POTENT UPPER LOW NOW LIFTING INTO SOUTHERN MINNESOTA. BUT WITH THE STRONG UPPER LOW OVER CENTRAL NEVADA DIGGING TOWARD THE FOUR CORNERS...EXPECT THE FLOW TO BACK THROUGH THE MORNING HOURS. THIS IN TURN WILL PUSH THE DRYLINE INTO MY WESTERN COUNTIES (SEE ISC GRIDS FOR DETAILS). .TODAY-TONIGHT...DRYLINE WILL BEGIN PUSHING EAST AGAIN DURING THE AFTERNOON HOURS. RUC40 AND MESOETA ADVERTISING 3000 J/KG CAPES EAST OF THE DRYLINE THROUGH 06Z SATURDAY. CIN VALUES ALSO DROP TO LESS THAN 20 J/KG...BUT DATA DECEIVING. MID LEVEL TEMPERATURES LOOK AWFUL WARM SOUTH HALF TODAY AND TONIGHT WHICH WILL LIMIT THUNDER POTENTIAL...IF NOT SQUASH IT ALL TOGETHER. CAP NOT AS STRONG OVER THE BIG COUNTRY...SO THUNDER POTENTIAL GREATER. LOW LEVEL JET COULD ACT TO SUSTAIN ISOLATED THUNDERSTORMS INTO THE OVERNIGHT HOURS. BULK OF DYNAMICS ASSOCIATED WITH FOUR CORNERS UPPER LOW TO REMAIN WELL NORTH OF AREA. .SATURDAY-SATURDAY NIGHT...PERHAPS A FEW THUNDERSTORMS ALONG THE DRYLINE FAR EAST SATURDAY MORNING. WEST WINDS THEN BRING IN DRIER AIR SATURDAY AFTERNOON. WEAK COLD FRONT DROPS THROUGH THE FORECAST AREA SATURDAY NIGHT WITH LITTLE FANFARE SINCE MOISTURE STARVED. COMFORTABLE SLEEPING WEATHER SATURDAY NIGHT AS DRIER AIR ALLOWS READINGS TO DIP INTO THE 50S. .SUNDAY-MONDAY...COLD FRONT EXPECTED TO STALL ACROSS SOUTH TEXAS EARLY SUNDAY. IT THEN BEGINS TO LIFT SLOWLY NORTH (WARM FRONT)... PERHAPS REACHING A SAN ANGELO TO SAN SABA LINE BY 00Z TUESDAY. STRONG SOUTHEAST FLOW TO THROW COPIOUS GULF MOISTURE OVER SAID BOUNDARY...WHILE A SERIES OF UPPER LEVEL DISTURBANCES TRAVERSES THE FORECAST AREA IN FAST ZONAL FLOW. OVERRUNNING SCENARIO SHOULD BRING ISOLATED THUNDERSTORMS TO THE EDWARDS PLATEAU AND THE NORTHWEST HILL COUNTRY SUNDAY AFTERNOON. FOR SUNDAY NIGHT AND MONDAY...SCATTERED THUNDERSTORMS A GOOD BET ACROSS THE ENTIRE FORECAST AREA...WHICH IS GOOD NEWS FOR THIS RAIN STARVED REGION. .TUESDAY-THURSDAY...ACTIVE NORTHWEST FLOW ALOFT AND MEANDERING FRONTAL BOUNDARY PROMISES TO BRING MORE RAIN FOR TUESDAY AND WEDNESDAY. HIGH PRESSURE AT THE SURFACE AND ALOFT SHOULD DRY THINGS OUT BY THURSDAY. CCF... ABI 096/070/088/053 2200 SJT 098/069/092/055 1100 JCT 096/074/088/060 1100 .SJT...NONE. 17
Hazardous weather outlook, May 9, 5:32 AM CDT, 4 hours 59 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-101030- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 532 AM CDT FRI MAY 9 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS. .DAY ONE... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING...GENERALLY NORTH AND EAST OF A SWEETWATER TO BALLINGER AND BROWNWOOD LINE. THE DRYLINE REMAINS NEARLY STATIONARY ACROSS WEST CENTRAL TEXAS THIS MORNING. THE DRYLINE IS EXPECTED TO MOVE A LITTLE FURTHER TO THE WEST THIS MORNING...WITH THE APPROACH OF AN UPPER LEVEL DISTURBANCE CURRENTLY OVER NEVADA. THE DRYLINE WILL THEN MOVE BACK TO THE EAST THIS AFTERNOON AND MAY PRODUCE THUNDERSTORMS THIS AFTERNOON...ESPECIALLY OVER THE BIG COUNTRY AND NORTHERN PORTIONS OF THE HEARTLAND WHERE THE CAP WILL BE THE WEAKEST. FURTHER TO THE SOUTH...IT APPEARS THAT THE CAP WILL BE TO STRONG FOR THUNDERSTORM DEVELOPMENT. IF THUNDERSTORMS CAN DEVELOP THIS AFTERNOON...THERE IS ENOUGH INSTABILITY AND SHEAR FOR THE DEVELOPMENT OF SUPERCELLS PRODUCING LARGE HAIL AND DAMAGING WINDS. AN ISOLATED TORNADO IS ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN... SEVERE THUNDERSTORMS WILL BE POSSIBLE MONDAY AND TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED GIVEN THUNDERSTORM DEVELOPMENT OVER THE BIG COUNTRY AND HEARTLAND THIS AFTERNOON AND EVENING. 27/BRAZZELL
In the hours before
Local storm report, May 9, 9:18 AM CDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
0918 AM CDT FRI MAY 09 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0840 AM 5 NW STERLING CITY TX 1.75 IN HAIL
05/09/03 STERLING
25Local storm report, May 9, 10:06 AM CDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SAN ANGELO TX
1006 AM CDT FRI MAY 09 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0944 AM 5 N STERLING CITY TX 1.75 IN HAIL
05/09/03 STERLING GOLF BALL SIZE
HAIL COVERED GROUND
STRIPPED TREES BARE
25The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:17 AM CDT | Severe Thunderstorm Warning | SJT | Sterling | 43 min |
| May 9, 8:58 AM CDT | Severe Thunderstorm Warning | SJT | Coke | 47 min |
| May 9, 9:20 AM CDT | Severe Thunderstorm Warning | SJT | Sterling | 40 min |
| May 9, 12:42 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 33 min |
| May 9, 5:24 PM CDT | Tornado Warning | SJT | Crockett | 66 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.