Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 44, NWS Fort Worth, TX

April 6, 2003Lamar County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 6, 2003, 1:31 AM CST for Lamar County, Texas. It was in force for 59 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: Apr 6, 2003, 1:31 AM CST (07:31 UTC)
Expired: Apr 6, 2003, 3:30 AM CDT
In force: 59 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Lamar County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 202 km from the middle of the area, began a volume at 07:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 5, 9:35 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.5 hours before the alert went out and 185 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 640 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 896 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 353 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.3

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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 5, 10:06 PM CST, 3 hours 25 minutes earlier.

Area forecast discussion, Apr 5, 10:06 PM CST, 3 hours 25 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1005 SAT APR 5 2003

PUBLIC DISCUSSION...
ZONES UPDATED FOR TORNADO WATCH.  ALSO INCREASED WINDS AND ADJUSTED
POPS SOME FOR SUNDAY.  59

.FWD...NONE.

Hazardous weather outlook, Apr 5, 3:40 PM CST, 9 hours 51 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-061200-

HAZARDOUS WEATHER OUTLOOK...UPDATED SPOTTER ACTIVATION INFO.
NATIONAL WEATHER SERVICE FORT WORTH TX
340 PM CST SAT APR 5 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TONIGHT FOR AREAS
NORTH OF I-20 AND WEST OF I-35. THIS INCLUDES EASTLAND...BOWIE...
SHERMAN...PARIS...GREENVILLE...AND THE DALLAS FORT WORTH METROPLEX.
THE REMAINDER OF NORTH TEXAS IS UNDER A SLIGHT RISK OF SEVERE
THUNDERSTORMS TONIGHT. DAMAGING WINDS AND LARGE HAIL WILL BE THE
PRIMARY THREATS. HOWEVER...THE CURRENT LOW-LEVEL VERTICAL WIND
PROFILES CONTINUE TO SUGGEST THE POTENTIAL FOR SUPERCELLS AND
ISOLATED TORNADOES.

.DAYS TWO THROUGH SEVEN...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH TEXAS
SUNDAY...PRIMARILY EAST OF I-35. THE PRIMARY THREAT WILL BE LARGE
HAIL AND DAMAGING WINDS.

.SPOTTER CALL TO ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE LIKELY WEST OF A NOCONA...WEATHERFORD...
CISCO LINE AFTER 5 PM.  ACTIVATION MAY BE REQUESTED WEST OF A
SHERMAN...DALLAS...KILLEEN LINE AFTER 8 PM.  SPOTTERS EAST OF I-35
SHOULD BE PREPARED FOR POSSIBLE ACTIVATION AFTER MIDNIGHT.

ROBBINS

In the hours before

Local storm report, Apr 6, 12:03 AM CST, 1 hour 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1203 AM CST SUN APR 06 2003

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

1155 PM    WHITESBORO                TX   2.75 INCH HAIL
04/05/03   GRAYSON                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Apr 6, 12:26 AM CST, 1 hour 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1226 AM CST SUN APR 06 2003

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

1145 PM    3 S SULPHUR SPRINGS       TX   2.75 INCH HAIL
04/05/03   HOPKINS                        *** 3 INJ ***
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.  THREE
                                          INJURIES DUE TO HAIL.
                                          ONE ADULT MALE HAD
                                          BROKEN ARM AND TWO
                                          CHILDREN WITH HEAD
                                          INJURIES.

Local storm report, Apr 6, 12:41 AM CST, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1241 AM CST SUN APR 06 2003

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

1235 AM    SULPHUR SPRINGS           TX   1 INCH HAIL
04/06/03   HOPKINS                        REPORTED BY STORM
                                          SPOTTER.

Local storm report, Apr 6, 12:44 AM CST, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1244 AM CST SUN APR 6 2003

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

0906 PM    VALLEY RANCH              TX   1.50 INCH HAIL
04/05/03   DALLAS                         REPORTED BY PUBLIC.

Local storm report, Apr 6, 1:05 AM CST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
0105 AM CST SUN APR 6 2003

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

0950 PM    FLOWER MOUND              TX   1.00 INCH HAIL
04/05/03   DENTON                         REPORTED BY PUBLIC.

1010 PM    CARROLLTON                TX   1.00 INCH HAIL
04/05/03   DALLAS                         REPORTED BY NWS TRAINED
                                          SPOTTER.

Local storm report, Apr 6, 1:18 AM CST, 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 6:29 PM CST	Tornado Warning	FWD	Palo Pinto, Parker	61 min
Apr 5, 6:34 PM CST	Severe Thunderstorm Warning	FWD	Jack, Young	56 min
Apr 5, 6:52 PM CST	Tornado Warning	FWD	Parker, Tarrant	53 min
Apr 5, 7:20 PM CST	Flash Flood Warning	FWD	Tarrant	4 hr
Apr 5, 7:25 PM CST	Severe Thunderstorm Warning	FWD	Jack	50 min
Apr 5, 7:44 PM CST	Tornado Warning	FWD	Parker, Tarrant	61 min
Apr 5, 8:09 PM CST	Tornado Warning	FWD	Dallas, Tarrant	51 min
Apr 5, 8:16 PM CST	Flash Flood Warning	FWD	Dallas	4 hr
Apr 5, 8:20 PM CST	Severe Thunderstorm Warning	FWD	Parker, Wise	55 min
Apr 5, 8:46 PM CST	Severe Thunderstorm Warning	FWD	Collin	59 min
Apr 5, 8:59 PM CST	Severe Thunderstorm Warning	FWD	Dallas, Rockwall	46 min
Apr 5, 9:06 PM CST	Severe Thunderstorm Warning	FWD	Denton, Tarrant, Wise	54 min
Apr 5, 9:25 PM CST	Severe Thunderstorm Warning	FWD	Montague	65 min
Apr 5, 9:32 PM CST	Severe Thunderstorm Warning	FWD	Hunt	58 min
Apr 5, 9:42 PM CST	Severe Thunderstorm Warning	FWD	Collin, Dallas, Rockwall	63 min
Apr 5, 9:58 PM CST	Severe Thunderstorm Warning	FWD	Denton	47 min
Apr 5, 10:27 PM CST	Severe Thunderstorm Warning	FWD	Cooke, Montague	93 min
Apr 5, 10:28 PM CST	Severe Thunderstorm Warning	FWD	Hunt	62 min
Apr 5, 10:35 PM CST	Severe Thunderstorm Warning	FWD	Hopkins	55 min
Apr 5, 10:41 PM CST	Severe Thunderstorm Warning	FWD	Collin	64 min
Apr 5, 11:25 PM CST	Severe Thunderstorm Warning	FWD	Grayson	65 min
Apr 5, 11:27 PM CST	Severe Thunderstorm Warning	FWD	Hopkins	63 min
Apr 5, 11:30 PM CST	Severe Thunderstorm Warning	FWD	Hunt	60 min
Apr 6, 12:15 AM CST	Severe Thunderstorm Warning	FWD	Fannin, Grayson	60 min
Apr 6, 12:19 AM CST	Severe Thunderstorm Warning	FWD	Hopkins	56 min
Apr 6, 1:14 AM CST	Severe Thunderstorm Warning	FWD	Fannin	46 min
Apr 6, 9:13 AM CDT	Severe Thunderstorm Warning	FWD	Montague	62 min
Apr 6, 1:56 PM CDT	Severe Thunderstorm Warning	FWD	Collin	64 min
Apr 6, 1:58 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	47 min
Apr 6, 3:51 PM CDT	Severe Thunderstorm Warning	FWD	Lamar	39 min
Apr 6, 4:03 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins, Rains	57 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003 Every 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; radar from the NEXRAD Level II archive.