Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 30, NWS San Angelo, TX

April 6, 2002Taylor County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 6, 2002, 7:29 PM CST for Taylor County, Texas. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 6, 2002, 7:29 PM CST (01:29 UTC)
Expired
Apr 6, 2002, 8:00 PM CST
In force
31 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Taylor County, TX

What was reported inside it

TimeReportWhereRemark
Apr 6, 7:36 PM CSTHail 0.75Tuscola, TX

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.

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 00:00Z, 1.5 hours before the alert went out and 224 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 2002-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 306 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 2002-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 square meters per square second.19395878Sfc1 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
306 J/kg
Mixed-layer CIN
-356 J/kg
Mixed-layer LCL
486 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
299 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KSJT 070129
SVRSJT
TXC441-070200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
728 PM CST SAT APR 6 2002

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TAYLOR COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 800 PM CST

* AT 723 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES SOUTHWEST OF TUSCOLA...OR ABOUT 10
  MILES NORTH OF WINTERS...MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   TUSCOLA...LAWN AT 740 PM CST
   NEAR BUFFALO GAP AT 745 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.

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 3214 10005 3209 9989 3210 9964 3224 9964
          3241 9975

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 Apr 6, 7:16 PM CST, 13 minutes earlier.

Area forecast discussion, Apr 6, 7:16 PM CST, 13 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
815 PM CST SAT APR 6 2002

LATEST SFC ANALYSIS SHOWS A WARM FRONT JUST SOUTH OF THE CONCHO
VALLEY WHICH WAS PRODUCING AN EAST WIND AND FOG ACROSS THE REGION.
THEREFORE HAD TO UPDATE AND INCLUDE MENTION OF FOG TONIGHT.  THERE
COULD BE AREAS OF DENSE FOG IN THE HILLS BUT WILL COVER THOSE
ISOLATED AREAS IN THE NOWCAST.  NEXT...HAVE ALSO ADJUSTED
TEMPERATURES DOWN A TAD WITH A RISING TREND OVERNIGHT AS THE WARM
FRONT SURGES NORTH.  MEANWHILE...LATEST 88D LOOP DID SHOW TSTORMS
INCREASING IN THE STRONG WARM AIR ADVECTION AND IN ADVANCE OF THE
APPROACHING TROF.  WILL BE CLOSELY MONITORING FOR POSSIBLE WARNINGS
FOR LARGE HAIL AND ISOLATED SVR WIND GUSTS.

A MODERATE RISK FOR SUPERCELL THUNDERSTORMS INCLUDING SOME STRONG
TORNADOES ARE POSSIBLE ACROSS THE EASTERN HALF OF WEST CENTRAL TEXAS
ON SUNDAY AS A DRY LINE AND STRONG UPPER LEVEL JET MAX MOVE INTO
DEEPER LOW LEVEL MOISTURE.  IN ADDITION...STRONG WIND SHEAR WILL
ALSO AID IN SUPERCELL DEVELOPMENT.

FOR ADDITIONAL DETAILED INFORMATION ON ALL SEVERE WEATHER PLEASE GO
TO THE STORM PREDICTION CENTER AT WWW.SPC.NOAA.GOV AND ALSO REFER TO
OUR WEBSITE AT WWW.SRH.NOAA.GOV/SJT

.SJT...LAKE CAUTION ALL ZONES TONIGHT.

GUERRERO

In the hours before

Special weather statement, Apr 6, 2:29 PM CST, 5 hours before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-070000-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
229 PM CST SAT APR 6 2002

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER WESTERN AND
CENTRAL SECTIONS OF WEST CENTRAL TEXAS TONIGHT...

SCATTERED THUNDERSTORMS WILL EXPECTED TO DEVELOP OVER SOUTHEAST NEW
MEXICO AND SOUTHWEST TEXAS THIS EVENING. THESE STORMS ARE EXPECTED
TO MOVE NORTHEAST INTO WEST CENTRAL TEXAS TONIGHT...MAINLY AFTER 10
PM. THE AREA UNDER A RISK FOR SEVERE STORMS IS WEST OF A LINE FROM
ABILENE TO BALLINGER TO JUNCTION. THE MAIN SEVERE WEATHER THREAT
WILL BE LARGE HAIL...BUT A DAMAGING WIND GUST WILL ALSO BE POSSIBLE
FROM THE STRONGEST STORMS.

SPOTTER ACTIVATION MAY BE REQUIRED.

A SIGNIFICANT SEVERE WEATHER EPISODE MAY OCCUR SUNDAY AFTERNOON. A
STRONG UPPER LEVEL DISTURBANCE AND DRYLINE ARE FORECAST TO MOVE INTO
THE REGION FROM THE WEST. THUNDERSTORMS WILL LIKELY DEVELOP ALONG
THE DRYLINE AS IT ENTERS WEST CENTRAL TEXAS BY EARLY SUNDAY
AFTERNOON. WITH THE STRENGTH OF THE APPROACHING SYSTEM AND AN
UNSTABLE AIRMASS...SEVERE STORMS WILL BE POSSIBLE WITH TORNADOES...
LARGE HAIL...AND DAMAGING WINDS. PEOPLE THROUGHOUT WEST CENTRAL
TEXAS ARE ENCOURAGED TO CHECK LATER FORECASTS AND STATEMENTS FROM
THE NATIONAL WEATHER SERVICE...AND TO KEEP TUNED TO WEATHER
CONDITIONS ON SUNDAY.
Special weather statement, Apr 6, 2:30 PM CST, 4 hours 59 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-070000-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE SAN ANGELO TX
230 PM CST SAT APR 6 2002

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER WESTERN AND
CENTRAL SECTIONS OF WEST CENTRAL TEXAS TONIGHT...

SCATTERED THUNDERSTORMS WILL DEVELOP OVER SOUTHEAST NEW MEXICO AND
SOUTHWEST TEXAS THIS EVENING. THESE STORMS ARE EXPECTED TO MOVE
NORTHEAST INTO WEST CENTRAL TEXAS TONIGHT...MAINLY AFTER 10 PM. THE
AREA UNDER A RISK FOR SEVERE STORMS IS WEST OF A LINE FROM ABILENE TO
BALLINGER TO JUNCTION. THE MAIN SEVERE WEATHER THREAT WILL BE LARGE
HAIL...BUT A DAMAGING WIND GUST WILL ALSO BE POSSIBLE FROM THE
STRONGEST STORMS.

SPOTTER ACTIVATION MAY BE REQUIRED.

A SIGNIFICANT SEVERE WEATHER EPISODE MAY OCCUR SUNDAY AFTERNOON. A
STRONG UPPER LEVEL DISTURBANCE AND DRYLINE ARE FORECAST TO MOVE INTO
THE REGION FROM THE WEST. THUNDERSTORMS WILL LIKELY DEVELOP ALONG
THE DRYLINE AS IT ENTERS WEST CENTRAL TEXAS BY EARLY SUNDAY
AFTERNOON. WITH THE STRENGTH OF THE APPROACHING SYSTEM AND AN
UNSTABLE AIRMASS...SEVERE STORMS WILL BE POSSIBLE WITH TORNADOES...
LARGE HAIL...AND DAMAGING WINDS. PEOPLE THROUGHOUT WEST CENTRAL
TEXAS ARE ENCOURAGED TO CHECK LATER FORECASTS AND STATEMENTS FROM
THE NATIONAL WEATHER SERVICE...AND TO KEEP TUNED TO WEATHER
CONDITIONS ON SUNDAY.
Special weather statement, Apr 6, 2:34 PM CST, 4 hours 55 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-070000-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE SAN ANGELO TX
234 PM CST SAT APR 6 2002

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER WESTERN AND
CENTRAL SECTIONS OF WEST CENTRAL TEXAS TONIGHT...

SCATTERED THUNDERSTORMS WILL DEVELOP OVER SOUTHEAST NEW MEXICO AND
SOUTHWEST TEXAS THIS EVENING. THESE STORMS ARE EXPECTED TO MOVE
NORTHEAST INTO WEST CENTRAL TEXAS TONIGHT...MAINLY AFTER 10 PM. THE
AREA UNDER A RISK FOR SEVERE STORMS IS WEST OF A LINE FROM ABILENE TO
BALLINGER TO JUNCTION. THE MAIN SEVERE WEATHER THREAT WILL BE LARGE
HAIL...BUT A DAMAGING WIND GUST WILL ALSO BE POSSIBLE FROM THE
STRONGEST STORMS.

SPOTTER ACTIVATION MAY BE REQUIRED.

A SIGNIFICANT SEVERE WEATHER EPISODE MAY OCCUR SUNDAY AFTERNOON AND
EVENING. A STRONG UPPER LEVEL DISTURBANCE AND DRYLINE ARE FORECAST TO
MOVE INTO THE REGION FROM THE WEST. THUNDERSTORMS WILL LIKELY DEVELOP
ALONG THE DRYLINE AS IT ENTERS WEST CENTRAL TEXAS BY EARLY SUNDAY
AFTERNOON. WITH THE STRENGTH OF THE APPROACHING SYSTEM AND AN
UNSTABLE AIRMASS...SEVERE STORMS WILL BE POSSIBLE WITH TORNADOES...
LARGE HAIL...AND DAMAGING WINDS. PEOPLE THROUGHOUT WEST CENTRAL
TEXAS ARE ENCOURAGED TO CHECK LATER FORECASTS AND STATEMENTS FROM
THE NATIONAL WEATHER SERVICE...AND TO KEEP TUNED TO WEATHER
CONDITIONS ON SUNDAY.
Special weather statement, Apr 6, 5:43 PM CST, 1 hour 46 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-071200-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
543 PM CST SAT APR 6 2002

...THERE IS A SLIGHT RISK OF LARGE HAIL AND DAMAGING WINDS ACROSS
WEST CENTRAL TEXAS TONIGHT AND A MODERATE RISK OF TORNADIC
THUNDERSTORMS ON SUNDAY...

TONIGHT...SCATTERED THUNDERSTORMS WILL DEVELOP OVER SOUTHEAST NEW
MEXICO AND SOUTHWEST TEXAS. THESE STORMS ARE EXPECTED TO MOVE
NORTHEAST INTO WEST CENTRAL TEXAS TONIGHT...MAINLY AFTER 10 PM. THE
AREA UNDER A RISK FOR SEVERE STORMS IS WEST OF A LINE FROM ABILENE
TO BALLINGER TO JUNCTION. THE MAIN SEVERE WEATHER THREAT WILL BE
LARGE HAIL...BUT A DAMAGING WIND GUST WILL ALSO BE POSSIBLE FROM THE
STRONGEST STORMS.

ON SUNDAY...A STRONG UPPER LEVEL DISTURBANCE AND DRYLINE ARE
FORECAST TO MOVE INTO THE REGION FROM THE WEST. TORNADIC
THUNDERSTORMS WILL LIKELY DEVELOP ALONG THE DRYLINE AS IT ENTERS
WEST CENTRAL TEXAS BY NOON SUNDAY.

WITH THE STRENGTH OF THE APPROACHING SYSTEM AND AN UNSTABLE
AIRMASS...TORNADOES...LARGE HAIL...AND DAMAGING WINDS ARE POSSIBLE.
YOU ARE ENCOURAGED TO CHECK LATER FORECASTS AND STATEMENTS FROM THE
NATIONAL WEATHER SERVICE...AND TO KEEP TUNED TO WEATHER CONDITIONS
THROUGH SUNDAY.

SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT BUT LIKELY ON SUNDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 1:32 PM CDTSevere Thunderstorm WarningSJTSterling58 min
Apr 7, 2:02 PM CDTTornado WarningSJTCrockett58 min
Apr 7, 2:35 PM CDTSevere Thunderstorm WarningSJTHaskell40 min
Apr 7, 2:57 PM CDTTornado WarningSJTCrockett48 min
Apr 7, 3:07 PM CDTSevere Thunderstorm WarningSJTThrockmorton53 min
Apr 7, 3:10 PM CDTSevere Thunderstorm WarningSJTSterling65 min
Apr 7, 3:12 PM CDTSevere Thunderstorm WarningSJTTaylor33 min
Apr 7, 3:14 PM CDTSevere Thunderstorm WarningSJTTom Green46 min
Apr 7, 3:17 PM CDTSevere Thunderstorm WarningSJTCoke58 min
Apr 7, 3:19 PM CDTSevere Thunderstorm WarningSJTHaskell41 min
Apr 7, 3:25 PM CDTTornado WarningSJTSchleicher, Sutton65 min
Apr 7, 3:30 PM CDTTornado WarningSJTThrockmorton60 min
Apr 7, 3:40 PM CDTSevere Thunderstorm WarningSJTColeman, Runnels35 min
Apr 7, 3:42 PM CDTSevere Thunderstorm WarningSJTTaylor63 min
Apr 7, 3:44 PM CDTSevere Thunderstorm WarningSJTCallahan61 min
Apr 7, 3:52 PM CDTSevere Thunderstorm WarningSJTShackelford53 min
Apr 7, 3:55 PM CDTSevere Thunderstorm WarningSJTJones65 min
Apr 7, 3:58 PM CDTSevere Thunderstorm WarningSJTCrockett62 min
Apr 7, 4:08 PM CDTFlash Flood WarningSJTThrockmorton2 hr
Apr 7, 4:09 PM CDTSevere Thunderstorm WarningSJTColeman, Runnels66 min
Apr 7, 4:22 PM CDTSevere Thunderstorm WarningSJTFisher53 min
Apr 7, 4:24 PM CDTTornado WarningSJTMenard, Schleicher66 min
Apr 7, 4:27 PM CDTTornado WarningSJTThrockmorton48 min
Apr 7, 4:43 PM CDTSevere Thunderstorm WarningSJTConcho, McCulloch62 min
Apr 7, 5:04 PM CDTSevere Thunderstorm WarningSJTBrown56 min
Apr 7, 5:25 PM CDTTornado WarningSJTMcCulloch, Mason, Menard65 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.