Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 29, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 30, 2002, 5:40 PM CST for Throckmorton County, Texas. It was in force for 35 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 30, 2002, 5:40 PM CST (23:40 UTC)
- Expired
- Mar 30, 2002, 6:15 PM CST
- In force
- 35 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Throckmorton 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 12:00Z, 11.7 hours before the alert went out and 177 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
- 17 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 976 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSJT 302340 SVRSJT TXC447-310015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 540 PM CST SAT MAR 30 2002 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN THROCKMORTON COUNTY IN NORTH CENTRAL TEXAS * UNTIL 615 PM CST * AT 537 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTH CENTRAL THROCKMORTON COUNTY...OR ABOUT 8 MILES NORTH OF THROCKMORTON...MOVING NORTHEAST AT 25 MPH. HAIL THE SIZE OF NICKELS 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 3329 9926 3318 9909 3350 9878 3363 9900
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 30, 2:34 PM CST, 3 hours 6 minutes earlier.
Area forecast discussion, Mar 30, 2:34 PM CST, 3 hours 6 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 234 PM CST SAT MAR 30 2002 ATTM...UPPER LEVEL LOW TRACKING SLOWLY EAST INTO THE WESTERN PORTION OF THE BIG COUNTRY WITH A SURFACE LOW OVER THE CENTRAL PART OF THE CWA. SOME SERIOUS REDEVELOPMENT WITHIN THE LAST FEW HOURS JUST AHEAD OF UPPER LOW AND ALONG FRONTAL BOUNDARY OVER NORTHERN CONCHO VALLEY AND SOUTHERN BIG COUNTRY. SEVERAL TORNADOES AND SEVERE THUNDERSTORMS HAVE BEEN CONFIRMED ALONG THIS FRONTAL BOUNDARY. UPPER LOW WILL CONTINUE ITS EASTERN DRIFT AND WILL EXIT THE EASTERN CWA THIS EVENING. WITH ATMOSPHERE HAVING DESTABILIZE UNDER SUNNY SKIES... POTENTIAL WILL REMAIN FOR CONTINUED CONVECTIVE REDEVELOPMENT OVER PORTIONS OF THE CWA THIS AFTERNOON AND INTO THIS EVENING. WILL MAINTAIN BEST POPS OVER THE BIG COUNTRY ALONG AND NORTH OF FRONTAL BOUNDARY JUST AHEAD OF UPPER LOW AS IT TRACKS EAST... WILL GO WITH LESSER POPS ELSEWHERE. PRECIP CHANCES WILL END FROM WEST TO EAST AND WILL EXIT THE EASTERN COUNTIES BY MIDNIGHT. SURFACE WINDS WILL SWING TO THE NORTH OVER THE ENTIRE CWA AS SURFACE LOW EXITS EAST OF THE CWA. WARMING TREND ON TAP FOR THE FIRST PART OF THE WEEK. A FRONTAL PASSAGE ON TUESDAY AND CLOUD COVER ASSOCIATED WITH MOISTURE RETURN IN ADVANCE OF A DEVELOPING UPPER LOW OFF THE BAJA WILL DROP DAYTIME HIGHS TO BELOW CLIMO FOR THE REMAINDER OF THE WEEK. CCF PRELIMS... ABI 044/068/045/074 6000 SJT 046/070/044/076 4000 JCT 048/071/044/075 3000 .SJT...NONE. 15
In the hours before
Local storm report, Mar 30, 11:56 AM CST, 5 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED EVENT DATES
NATIONAL WEATHER SERVICE SAN ANGELO, TX
1156 AM CST SAT MAR 30 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0727 PM ROSCOE TX 1.00 INCH HAIL
03/29/02 NOLAN
1005 PM TUSCOLA TX TORNADO
03/29/02 TAYLOR BRIEF TOUCHDOWN
1030 PM 12 S BAIRD TX 1.75 INCH HAIL
03/29/02 CALLAHANLocal storm report, Mar 30, 12:10 PM CST, 5 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO, TX
1210 PM CST SAT MAR 30 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0727 PM ROSCOE TX 1.00 INCH HAIL
03/29/02 NOLAN
1005 PM TUSCOLA TX TORNADO
03/29/02 TAYLOR BRIEF TOUCHDOWN
1010 PM TUSCOLA TX .75 INCH HAIL
03/29/02 TAYLOR
1010 PM VIEW TX .75 INCH HAIL
03/29/02 TAYLOR
1025 PM 2 E POTOSI TX WIND DAMAGE
03/29/02 TAYLOR ROOF BLOWN OFF BARN
1030 PM 12 S BAIRD TX 1.75 INCH HAIL
03/29/02 CALLAHAN
1034 PM EULA TX 1.75 INCH HAIL
03/29/02 CALLAHANThe 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, 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 |
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.