Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 28, NWS San Angelo, TX

March 30, 2002Haskell County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 30, 2002, 3:04 PM CST for Haskell County, Texas. It was in force for 56 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
Mar 30, 2002, 3:04 PM CST (21:04 UTC)
Expired
Mar 30, 2002, 4:00 PM CST
In force
56 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Haskell County, TX

What was reported inside it

TimeReportWhereRemark
Mar 30, 3:30 PM CSTThunderstorm Wind 59 MHaskell, TXAmateur radio personnel measured a wind gust of 68 mph across southern Haskell County.

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

Fort Worth, TX (KFWD), launched 12:00Z, 9.1 hours before the alert went out and 234 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, Fort Worth, TX at 12:00Z on 2002-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Fort Worth, TX at 12:00Z on 2002-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.193958Sfc1 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
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

Open this sounding in Storm Lab

The text

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

375 
WUUS54 KSJT 302104
SVRSJT
TXC207-302200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
303 PM CST SAT MAR 30 2002

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 400 PM CST

* AT 257 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF SAGERTON...OR ABOUT 3
  MILES NORTHWEST OF STAMFORD...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   HASKELL AT 330 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 3298 9997 3297 9965 3311 9949 3328 9968
          3313 9996

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, 30 minutes earlier.

Area forecast discussion, Mar 30, 2:34 PM CST, 30 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, 3 hours 8 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   CALLAHAN
Local storm report, Mar 30, 12:10 PM CST, 2 hours 54 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   CALLAHAN

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, 9:42 PM CSTSevere Thunderstorm WarningSJTNolan, Taylor48 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, 3:16 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.