Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 15, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 29, 2002, 7:52 PM CST for Sterling County, Texas. It was in force for 38 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
- Mar 29, 2002, 7:52 PM CST (01:52 UTC)
- Expired
- Mar 29, 2002, 8:30 PM CST
- In force
- 38 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Sterling 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 29, 7:30 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 1.9 hours before the alert went out and 97 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
- 305 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 2596 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSJT 300152 SVRSJT TXC431-300230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 752 PM CST FRI MAR 29 2002 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... STERLING COUNTY IN SOUTHWEST TEXAS * UNTIL 830 PM CST * AT 752 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 19 MILES WEST OF STERLING CITY...OR ABOUT 12 MILES EAST OF GARDEN CITY...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STERLING CITY AT 815 PM CST HAIL THE SIZE OF QUARTERS AND WIND GUSTS OF 60 MPH CAN BE EXPECTED WITH THIS STORM. TAKE SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 3207 10140 3177 10134 3181 10086 3207 10084
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 Mar 29, 2:40 PM CST, 5 hours 12 minutes earlier.
Area forecast discussion, Mar 29, 2:40 PM CST, 5 hours 12 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 240 PM CST FRI MAR 29 2002 COMPLICATED PATTERN CURRENTLY. COLD FRONT CONTINUES TO SLOW AS IT DRIFTS SOUTH THROUGH THE BIG COUNTRY AND IS NOW LOCATED JUST SOUTH OF ABILENE. UPPER LEVEL LOW SPINNING OVER SOUTHERN BORDER BETWEEN AZ AND NM. WESTERN EDGE OF MOISTURE PLUME ASSOCIATED WITH STJ HAD BISECTED THE CWA EARLIER... ALLOWING TEMPS TO RISE MORE THAN ANTICIPATED OVER WESTERN SECTIONS. LATEST VIS LOOP SHOWING LARGE AREA OF DEVELOPING CU OVER SOUTHWESTERN TX WHERE AFTERNOON TEMPS ROSE TO 90 AND ABOVE UNDER SUNNY SKIES. MODELS CONTINUE TO SLOW MOVEMENT OF UPPER LEVEL SYSTEM WITH LATEST AVN TRACKING THE SYSTEM OVER CWA TOMORROW AFTERNOON. EXPECT COLD FRONT TO STALL OVER CENTRAL PORTION OF CWA THIS EVENING WITH SURFACE LOW DEVELOPING OVER WESTERN PORTION OF CWA AND MOVING EAST ALONG THE FRONTAL BOUNDARY SATURDAY MORNING. NOSE OF 40+KT MID LEVEL JET FCSTD TO BE IN SW CWA AT MIDNIGHT AND MOVE TO WELL EAST OF CWA BY NOON SATURDAY. BEST 850-700H DIV Q MOVES QUICKLY EAST OVERNIGHT TO THE EASTERN PORTION OF CWA BY NOON TOMORROW WHERE TRIPLE POINT WILL BE LOCATED... THEREFORE LOOKS LIKE AN AFTER MIDNIGHT TO EARLY MORNING EVENT PRIMARILY. DRYSLOT WILL MOVE INTO THE SOUTHWESTERN COUNTIES EARLY TOMORROW MORNING WITH RAIN CHANCES ENDING CWA WIDE MY MIDNIGHT SATURDAY. NEXT SYSTEM SLATED TO ARRIVE LATE TUESDAY WHICH SHOULD ONLY SERVE AS A TEMPORARY COOL DOWN ON WEDNESDAY. TEMPS WILL BEGIN TO REBOUND ON THURSDAY TO NEAR CLIMO BY FRIDAY. CCF PRELIMS... ABI 054/062/042/068 3851 SJT 058/069/044/070 4720 JCT 059/071/045/073 4730 .SJT...NONE. 15
In the hours before
Special weather statement, Mar 29, 2:18 PM CST, 5 hours 34 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-300000- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 218 PM CST FRI MAR 29 2002 ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER MOST OF WEST CENTRAL TEXAS TONIGHT... A STRONG UPPER LEVEL DISTURBANCE OVER SOUTHEAST ARIZONA FRIDAY AFTERNOON WILL MOVE INTO FAR SOUTHWEST TEXAS BY SUNRISE SATURDAY. SCATTERED THUNDERSTORMS WILL DEVELOP OVER WEST CENTRAL TEXAS TONIGHT...AS THE UPPER LEVEL DISTURBANCE APPROACHES AND LOW LEVEL MOISTURE INCREASES. INSTABILITY AND WIND SHEAR WILL SUFFICIENT TO SUPPORT SEVERE THUNDERSTORMS...PRIMARILY SOUTH OF INTERSTATE 20 AFTER SUNDOWN. THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. ISOLATED TORNADOS WILL ALSO BE POSSIBLE. SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING AND OVERNIGHT. FOR ADDITIONAL INFORMATION PLEASE SEE STATEMENTS AND OUTLOOKS FROM NATIONAL WEATHER SERVICE OFFICES ACROSS TEXAS...OKLAHOMA...AND NEW MEXICO.
Local storm report, Mar 29, 7:32 PM CST, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO, TX
732 PM CST FRI MAR 29 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0727 PM ROSCOE TX 1.00 INCH HAIL
03/29/02 NOLANThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 7:02 PM CST | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 43 min |
| Mar 29, 7:45 PM CST | Severe Thunderstorm Warning | SJT | Fisher | 30 min |
| Mar 29, 8:11 PM CST | Tornado Warning | SJT | Coke, Sterling | 49 min |
| Mar 29, 8:50 PM CST | Severe Thunderstorm Warning | SJT | Coke, Nolan | 40 min |
| Mar 29, 9:06 PM CST | Tornado Warning | SJT | Coke, Nolan | 24 min |
| Mar 29, 9:28 PM CST | Tornado Warning | SJT | Nolan, Taylor | 47 min |
| Mar 29, 9:42 PM CST | Severe Thunderstorm Warning | SJT | Nolan, Taylor | 48 min |
| Mar 29, 10:29 PM CST | Severe Thunderstorm Warning | SJT | Callahan | 46 min |
| Mar 29, 10:44 PM CST | Severe Thunderstorm Warning | SJT | Irion | 46 min |
| Mar 29, 11:24 PM CST | Severe Thunderstorm Warning | SJT | Tom Green | 66 min |
| Mar 30, 12:55 AM CST | Severe Thunderstorm Warning | SJT | Concho, McCulloch | 50 min |
| Mar 30, 1:06 AM CST | Severe Thunderstorm Warning | SJT | Crockett | 54 min |
| Mar 30, 1:53 AM CST | Severe Thunderstorm Warning | SJT | San Saba | 52 min |
| Mar 30, 4:29 AM CST | Severe Thunderstorm Warning | SJT | Tom Green | 61 min |
| Mar 30, 12:52 PM CST | Tornado Warning | SJT | Coke | 53 min |
| Mar 30, 1:09 PM CST | Tornado Warning | SJT | Runnels | 51 min |
| Mar 30, 1:48 PM CST | Tornado Warning | SJT | Coke | 27 min |
| Mar 30, 2:00 PM CST | Severe Thunderstorm Warning | SJT | Runnels | 60 min |
| Mar 30, 2:09 PM CST | Severe Thunderstorm Warning | SJT | Brown | 21 min |
| Mar 30, 2:10 PM CST | Severe Thunderstorm Warning | SJT | Nolan, Taylor | 35 min |
| Mar 30, 2:19 PM CST | Tornado Warning | SJT | Taylor | 56 min |
| Mar 30, 2:52 PM CST | Tornado Warning | SJT | Callahan | 38 min |
| Mar 30, 3:04 PM CST | Severe Thunderstorm Warning | SJT | Haskell | 56 min |
| Mar 30, 3:16 PM CST | Tornado Warning | SJT | Jones, Taylor | 59 min |
| Mar 30, 3:27 PM CST | Tornado Warning | SJT | Callahan | 33 min |
| Mar 30, 5:40 PM CST | Severe Thunderstorm Warning | SJT | Throckmorton | 35 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
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.