Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 17, NWS San Angelo, TX

March 29, 2002Nolan County, Taylor County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 29, 2002, 9:42 PM CST for Nolan County, Taylor County, Texas. It was in force for 48 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 29, 2002, 9:42 PM CST (03:42 UTC)
Expired
Mar 29, 2002, 10:30 PM CST
In force
48 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Nolan County, TX, Taylor County, TX

What was reported inside it

TimeReportWhereRemark
Mar 29, 10:05 PM CSTTornado F0Tuscola, TXAn Abilene TV station showed a brief tornado touchdown near the town of Tuscola. There were no injuries and no reported damage.
Mar 29, 10:10 PM CSTHail 0.75Tuscola, TX
Mar 29, 10:10 PM CSTHail 0.75View, TX
Mar 29, 10:25 PM CSTThunderstorm WindPotosi, TXStrong thunderstorm winds ripped part of a roof off of a barn.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 29, 7:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 3.7 hours before the alert went out and 197 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.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 00:00Z on 2002-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 305 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2002-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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, 7 hours 2 minutes earlier.

Area forecast discussion, Mar 29, 2:40 PM CST, 7 hours 2 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, 2 hours 10 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   NOLAN

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 29, 7:02 PM CSTSevere Thunderstorm WarningSJTFisher, Nolan43 min
Mar 29, 7:45 PM CSTSevere Thunderstorm WarningSJTFisher30 min
Mar 29, 7:52 PM CSTSevere Thunderstorm WarningSJTSterling38 min
Mar 29, 8:11 PM CSTTornado WarningSJTCoke, Sterling49 min
Mar 29, 8:50 PM CSTSevere Thunderstorm WarningSJTCoke, Nolan40 min
Mar 29, 9:06 PM CSTTornado WarningSJTCoke, Nolan24 min
Mar 29, 9:28 PM CSTTornado WarningSJTNolan, Taylor47 min
Mar 29, 10:29 PM CSTSevere Thunderstorm WarningSJTCallahan46 min
Mar 29, 10:44 PM CSTSevere Thunderstorm WarningSJTIrion46 min
Mar 29, 11:24 PM CSTSevere Thunderstorm WarningSJTTom Green66 min
Mar 30, 12:55 AM CSTSevere Thunderstorm WarningSJTConcho, McCulloch50 min
Mar 30, 1:06 AM CSTSevere Thunderstorm WarningSJTCrockett54 min
Mar 30, 1:53 AM CSTSevere Thunderstorm WarningSJTSan Saba52 min
Mar 30, 4:29 AM CSTSevere Thunderstorm WarningSJTTom Green61 min
Mar 30, 12:52 PM CSTTornado WarningSJTCoke53 min
Mar 30, 1:09 PM CSTTornado WarningSJTRunnels51 min
Mar 30, 1:48 PM CSTTornado WarningSJTCoke27 min
Mar 30, 2:00 PM CSTSevere Thunderstorm WarningSJTRunnels60 min
Mar 30, 2:09 PM CSTSevere Thunderstorm WarningSJTBrown21 min
Mar 30, 2:10 PM CSTSevere Thunderstorm WarningSJTNolan, Taylor35 min
Mar 30, 2:19 PM CSTTornado WarningSJTTaylor56 min
Mar 30, 2:52 PM CSTTornado WarningSJTCallahan38 min
Mar 30, 3:04 PM CSTSevere Thunderstorm WarningSJTHaskell56 min
Mar 30, 3:16 PM CSTTornado WarningSJTJones, Taylor59 min
Mar 30, 3:27 PM CSTTornado WarningSJTCallahan33 min
Mar 30, 5:40 PM CSTSevere Thunderstorm WarningSJTThrockmorton35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.