Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 19, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 29, 2002, 10:44 PM CST for Irion County, Texas. It was in force for 46 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, 10:44 PM CST (04:44 UTC)
- Expired
- Mar 29, 2002, 11:30 PM CST
- In force
- 46 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Irion 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, 4.7 hours before the alert went out and 136 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 300444 SVRSJT TXC235-300530- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1044 PM CST FRI MAR 29 2002 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... IRION COUNTY IN SOUTHWEST TEXAS * UNTIL 1130 PM CST * AT 1039 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 23 MILES SOUTHWEST OF MERTZON...OR ABOUT 17 MILES EAST OF BIG LAKE...MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MERTZON AT 1110 PM CST SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...DAMAGING WINDS...DANGEROUS LIGHTNING...AND VERY HEAVY RAINFALL. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. LAT...LON 3124 10128 3108 10113 3118 10071 3150 10075
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, 8 hours 4 minutes earlier.
Area forecast discussion, Mar 29, 2:40 PM CST, 8 hours 4 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
Local storm report, Mar 29, 7:32 PM CST, 3 hours 12 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, 7:52 PM CST | Severe Thunderstorm Warning | SJT | Sterling | 38 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, 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.