Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 106, NWS Fort Worth, TX

May 1, 2003McLennan County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 1, 2003, 8:59 PM CDT for McLennan County, Texas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 1, 2003, 8:59 PM CDT (01:59 UTC)
Expired
May 1, 2003, 9:30 PM CDT
In force
31 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

County McLennan County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
May 1, 7:25 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.0 hours before the alert went out and 142 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 00:00Z on 2003-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3112 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 00:00Z on 2003-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
3112 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1199 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
-0.3
Supercell composite
-1.4

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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 1, 8:14 PM CDT, 45 minutes earlier.

Area forecast discussion, May 1, 8:14 PM CDT, 45 minutes before
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Hazardous weather outlook, May 1, 4:00 PM CDT, 4 hours 59 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-021100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
400 PM CDT THU MAY 1 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING SOUTHEAST OF A SHERMAN...TO DENTON...TO EASTLAND LINE.
LARGE HAIL AND DAMAGING DOWNBURST WINDS WILL BE THE MAIN THREATS...
BUT ONE OR TWO TORANDOES COULD DEVELOP.

THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG THE DRYLINE AND COLD
FRONT THROUGH THIS EVENING. THESE STORMS WILL MOVE EAST OR EAST
SOUTHEAST AT 15 TO 20 MPH...AND POTENTIALLY PRODUCE LARGE HAIL AND
WIND GUSTS IN EXCESS OF 60 MPH.

.DAYS TWO THROUGH SEVEN...

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTH TEXAS
FRIDAY.  THE MAIN THREATS WILL BE LARGE HAIL AND DAMAGING WINDS. IT
APPEARS THAT THE MOST LIKELY AREA FOR SEVERE WEATHER WILL BE NEAR A
STATIONARY FRONT...THAT MAY EXTEND FROM NEAR SULPHUR SPRINGS...TO
DALLAS...AND LAMPASAS DURING THE AFTERNOON.

.SPOTTER CALL TO ACTION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED THROUGH MIDNIGHT SOUTHEAST OF A
SHERMAN...TO DENTON....TO EASTLAND LINE.

In the hours before

Local storm report, May 1, 7:59 PM CDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
0757 PM CDT THU MAY  1 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0736 PM    ENERGY                    TX   1.00 INCH HAIL
05/01/03   COMANCHE                       REPORTED BY LAW ENFORCEMENT

0754 PM    5 E GUSTINE               TX   1.75 INCH HAIL
05/01/03   COMANCHE                       REPORTED BY LAW ENFORCEMENT
Local storm report, May 1, 8:11 PM CDT, 48 minutes before
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Local storm report, May 1, 8:18 PM CDT, 41 minutes before
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Local storm report, May 1, 8:31 PM CDT, 28 minutes before
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Local storm report, May 1, 8:37 PM CDT, 22 minutes before
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Local storm report, May 1, 8:46 PM CDT, 13 minutes before
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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 1, 7:15 PM CDTSevere Thunderstorm WarningFWDBosque60 min
May 1, 7:27 PM CDTSevere Thunderstorm WarningFWDComanche63 min
May 1, 8:05 PM CDTSevere Thunderstorm WarningFWDErath, Hamilton55 min
May 1, 8:09 PM CDTSevere Thunderstorm WarningFWDMcLennan51 min
May 1, 8:11 PM CDTSevere Thunderstorm WarningFWDBosque34 min
May 1, 8:43 PM CDTSevere Thunderstorm WarningFWDFalls62 min
May 1, 9:09 PM CDTSevere Thunderstorm WarningFWDLimestone66 min
May 1, 9:22 PM CDTSevere Thunderstorm WarningFWDRobertson53 min
May 1, 9:48 PM CDTSevere Thunderstorm WarningFWDLeon57 min
May 2, 4:51 PM CDTSevere Thunderstorm WarningFWDBosque69 min
May 2, 5:35 PM CDTSevere Thunderstorm WarningFWDHamilton70 min
May 2, 5:52 PM CDTSevere Thunderstorm WarningFWDBosque68 min
May 2, 6:13 PM CDTSevere Thunderstorm WarningFWDEastland47 min
May 2, 6:37 PM CDTSevere Thunderstorm WarningFWDComanche53 min
May 2, 6:39 PM CDTSevere Thunderstorm WarningFWDCoryell66 min
May 2, 6:59 PM CDTSevere Thunderstorm WarningFWDBosque31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003

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.