Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 43, NWS Fort Worth, TX

April 6, 2003Fannin County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 6, 2003, 1:14 AM CST for Fannin County, Texas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 6, 2003, 1:14 AM CST (07:14 UTC)
Expired
Apr 6, 2003, 3:00 AM CDT
In force
46 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

County Fannin County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 159 km from the middle of the area, began a volume at 07:18 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.

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 watch it was issued in

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

IssuedProductOfficeLasted
Apr 5, 9:35 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.2 hours before the alert went out and 139 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 2003-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 640 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 00:00Z on 2003-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.1939587897117136Sfc1 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
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

The text

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

074 
WUUS54 KFWD 060714
SVRFTW
TXC147-060815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
114 AM CST SUN APR 6 2003

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

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

* UNTIL 200 AM CST (300 AM CDT)

* AT 112 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM OVER BONHAM...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HONEY GROVE AROUND 145 AM CST

HAIL TO THE SIZE OF BASEBALLS AND WIND GUSTS TO 60 MPH ARE LIKELY.
SIGNIFICANT PROPERTY DAMAGE OR INJURY MAY BE CAUSED BY THE WIND
DRIVEN HAIL. FOR YOUR PROTECTION MOVE TO A STURDY SHELTER AND STAY
AWAY FROM WINDOWS UNTIL THE STORM PASSES.

A TORNADO WATCH IS IN EFFECT FOR THE WARNING AREA. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AND
STAY INSIDE...AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3370 9627 3353 9631 3342 9586 3367 9586

$$

65/DD

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 8 minutes earlier.

Area forecast discussion, Apr 5, 10:06 PM CST, 3 hours 8 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 34 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 5, 11:51 PM CST, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1151 PM CST SAT APR 05 2003

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

1140 PM    SULPHUR SPRINGS           TX   2 INCH HAIL
04/05/03   HOPKINS                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1141 PM    CASH                      TX   1.75 INCH HAIL
04/05/03   HUNT                           REPORTED BY EMERGENCY
                                          MANAGEMENT.
Local storm report, Apr 6, 12:03 AM CST, 1 hour 11 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, 48 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, 33 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, 30 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, 9 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 6:29 PM CSTTornado WarningFWDPalo Pinto, Parker61 min
Apr 5, 6:34 PM CSTSevere Thunderstorm WarningFWDJack, Young56 min
Apr 5, 6:52 PM CSTTornado WarningFWDParker, Tarrant53 min
Apr 5, 7:20 PM CSTFlash Flood WarningFWDTarrant4 hr
Apr 5, 7:25 PM CSTSevere Thunderstorm WarningFWDJack50 min
Apr 5, 7:44 PM CSTTornado WarningFWDParker, Tarrant61 min
Apr 5, 8:09 PM CSTTornado WarningFWDDallas, Tarrant51 min
Apr 5, 8:16 PM CSTFlash Flood WarningFWDDallas4 hr
Apr 5, 8:20 PM CSTSevere Thunderstorm WarningFWDParker, Wise55 min
Apr 5, 8:46 PM CSTSevere Thunderstorm WarningFWDCollin59 min
Apr 5, 8:59 PM CSTSevere Thunderstorm WarningFWDDallas, Rockwall46 min
Apr 5, 9:06 PM CSTSevere Thunderstorm WarningFWDDenton, Tarrant, Wise54 min
Apr 5, 9:25 PM CSTSevere Thunderstorm WarningFWDMontague65 min
Apr 5, 9:32 PM CSTSevere Thunderstorm WarningFWDHunt58 min
Apr 5, 9:42 PM CSTSevere Thunderstorm WarningFWDCollin, Dallas, Rockwall63 min
Apr 5, 9:58 PM CSTSevere Thunderstorm WarningFWDDenton47 min
Apr 5, 10:27 PM CSTSevere Thunderstorm WarningFWDCooke, Montague93 min
Apr 5, 10:28 PM CSTSevere Thunderstorm WarningFWDHunt62 min
Apr 5, 10:35 PM CSTSevere Thunderstorm WarningFWDHopkins55 min
Apr 5, 10:41 PM CSTSevere Thunderstorm WarningFWDCollin64 min
Apr 5, 11:25 PM CSTSevere Thunderstorm WarningFWDGrayson65 min
Apr 5, 11:27 PM CSTSevere Thunderstorm WarningFWDHopkins63 min
Apr 5, 11:30 PM CSTSevere Thunderstorm WarningFWDHunt60 min
Apr 6, 12:15 AM CSTSevere Thunderstorm WarningFWDFannin, Grayson60 min
Apr 6, 12:19 AM CSTSevere Thunderstorm WarningFWDHopkins56 min
Apr 6, 1:31 AM CSTSevere Thunderstorm WarningFWDLamar59 min
Apr 6, 9:13 AM CDTSevere Thunderstorm WarningFWDMontague62 min
Apr 6, 1:56 PM CDTSevere Thunderstorm WarningFWDCollin64 min
Apr 6, 1:58 PM CDTSevere Thunderstorm WarningFWDGrayson47 min
Apr 6, 3:51 PM CDTSevere Thunderstorm WarningFWDLamar39 min
Apr 6, 4:03 PM CDTSevere Thunderstorm WarningFWDHopkins, Rains57 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; radar from the NEXRAD Level II archive.