Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 110, NWS Fort Worth, TX

April 4, 2008Hunt County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 4, 2008, 2:24 AM CDT for Hunt County, Texas. It was in force for 35 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 4, 2008, 2:24 AM CDT (07:24 UTC)
Expired
Apr 4, 2008, 2:59 AM CDT
In force
35 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Hunt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 129 km from the middle of the area, began a volume at 07:24 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.

IssuedProductOfficeLasted
Apr 3, 8:33 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.4 hours before the alert went out and 117 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 2008-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1834 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 2008-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
1834 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
1.9
Supercell composite
7.2

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 3, 11:20 PM CDT, 3 hours 4 minutes earlier.

Area forecast discussion, Apr 3, 11:20 PM CDT, 3 hours 4 minutes before
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Hazardous weather outlook, Apr 3, 3:30 PM CDT, 10 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
330 PM CDT THU APR 3 2008

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-041100-
ANDERSON-BELL-BOSQUE-COLLIN-COMANCHE-COOKE-CORYELL-DALLAS-DELTA-
DENTON-EASTLAND-ELLIS-ERATH-FALLS-FANNIN-FREESTONE-GRAYSON-HAMILTON-
HENDERSON-HILL-HOOD-HOPKINS-HUNT-JACK-JOHNSON-KAUFMAN-LAMAR-LAMPASAS-
LEON-LIMESTONE-MCLENNAN-MILAM-MILLS-MONTAGUE-NAVARRO-PALO PINTO-
PARKER-RAINS-ROBERTSON-ROCKWALL-SOMERVELL-STEPHENS-TARRANT-VAN ZANDT-
WISE-YOUNG-
330 PM CDT THU APR 3 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ALONG AND NORTH OF
THE INTERSTATE 20 CORRIDOR...WITH A SLIGHT RISK ACROSS THE REMAINDER
OF NORTH AND CENTRAL TEXAS.

THROUGH THE EARLY EVENING HOURS...THE SEVERE THUNDERSTORMS ARE
EXPECTED TO REMAIN ACROSS NORTHWESTERN AND NORTHERN PORTIONS OF
NORTH TEXAS. THE MAIN SEVERE WEATHER THREAT WITH THESE STORMS WILL
BE VERY LARGE AND DESTRUCTIVE HAIL.  THESE STORMS WILL ALSO HAVE THE
POTENTIAL TO PRODUCE DAMAGING WINDS AND ISOLATED TORNADOES.

LATER THIS EVENING AND INTO THE OVERNIGHT HOURS...THUNDERSTORMS WILL
INCREASE IN COVERAGE AND AFFECT ALL OF NORTH TEXAS. A LINE OF STRONG
TO SEVERE THUNDERSTORMS WILL DEVELOP ALONG A SOUTHWARD MOVING COLD
FRONT. THESE STORMS WILL PRODUCE HEAVY RAIN...DAMAGING WINDS...LARGE
HAIL...AND PERHAPS AN ISOLATED TORNADO.

.DAYS TWO THROUGH SEVEN...
THE COLD FRONT WILL MOVE THROUGH THE SOUTHEASTERN PART OF NORTH
TEXAS BEFORE MIDDAY FRIDAY. SOME LINGERING SEVERE STORMS ARE
POSSIBLE FRIDAY MORNING SOUTHEAST OF A CANTON TO TEMPLE LINE.
OTHERWISE THUNDERSTORMS WILL END FROM WEST TO EAST ACROSS NORTH
TEXAS DURING THE DAY.

A CHANCE OF THUNDERSTORMS WILL RETURN TO NORTH TEXAS MONDAY AND
AGAIN WEDNESDAY. ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL BE REQUESTED THIS EVENING AND OVERNIGHT.

92

In the hours before

Local storm report, Apr 4, 1:51 AM CDT, 33 minutes before
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Special weather statement, Apr 4, 2:03 AM CDT, 21 minutes before
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Special weather statement, Apr 4, 2:04 AM CDT, 20 minutes before
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Special weather statement, Apr 4, 2:10 AM CDT, 14 minutes before
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Local storm report, Apr 4, 2:16 AM CDT, 8 minutes before
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Special weather statement, Apr 4, 2:19 AM CDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 7:00 PM CDTSevere Thunderstorm WarningFWDFannin45 min
Apr 3, 7:23 PM CDTSevere Thunderstorm WarningFWDLamar52 min
Apr 3, 7:36 PM CDTSevere Thunderstorm WarningFWDFannin, Grayson54 min
Apr 3, 8:27 PM CDTSevere Thunderstorm WarningFWDFannin, Lamar63 min
Apr 3, 9:27 PM CDTSevere Thunderstorm WarningFWDLamar45 min
Apr 3, 11:12 PM CDTSpecial Weather StatementFWDMontague33 min
Apr 3, 11:20 PM CDTSpecial Weather StatementFWDYoung25 min
Apr 3, 11:24 PM CDTSevere Thunderstorm WarningFWDCooke, Montague22 min
Apr 3, 11:27 PM CDTSevere Thunderstorm WarningFWDYoung63 min
Apr 3, 11:28 PM CDTSpecial Weather StatementFWDGrayson32 min
Apr 3, 11:31 PM CDTSpecial Weather StatementFWDFannin29 min
Apr 3, 11:51 PM CDTSevere Thunderstorm WarningFWDCooke24 min
Apr 3, 11:54 PM CDTSevere Thunderstorm WarningFWDJack66 min
Apr 4, 12:29 AM CDTSpecial Weather StatementFWDYoung31 min
Apr 4, 12:40 AM CDTSevere Thunderstorm WarningFWDWise49 min
Apr 4, 12:49 AM CDTSpecial Weather StatementFWDMontague26 min
Apr 4, 12:58 AM CDTSpecial Weather StatementFWDYoung32 min
Apr 4, 1:07 AM CDTSevere Thunderstorm WarningFWDDenton53 min
Apr 4, 1:14 AM CDTSpecial Weather StatementFWDCooke31 min
Apr 4, 1:38 AM CDTSpecial Weather StatementFWDJack37 min
Apr 4, 1:41 AM CDTSevere Thunderstorm WarningFWDCollin64 min
Apr 4, 1:50 AM CDTSpecial Weather StatementFWDGrayson25 min
Apr 4, 2:03 AM CDTSpecial Weather StatementFWDFannin27 min
Apr 4, 2:04 AM CDTSpecial Weather StatementFWDPalo Pinto26 min
Apr 4, 2:10 AM CDTSpecial Weather StatementFWDWise35 min
Apr 4, 2:19 AM CDTSpecial Weather StatementFWDDallas26 min
Apr 4, 2:31 AM CDTSpecial Weather StatementFWDDelta, Fannin, Lamar29 min
Apr 4, 2:50 AM CDTSpecial Weather StatementFWDHopkins25 min
Apr 4, 2:52 AM CDTSpecial Weather StatementFWDDenton23 min
Apr 4, 2:58 AM CDTSpecial Weather StatementFWDDelta, Lamar32 min
Apr 4, 3:02 AM CDTSevere Thunderstorm WarningFWDDenton, Tarrant37 min
Apr 4, 3:14 AM CDTSpecial Weather StatementFWDHopkins31 min
Apr 4, 3:27 AM CDTSpecial Weather StatementFWDCollin33 min
Apr 4, 3:38 AM CDTSevere Thunderstorm WarningFWDCollin31 min
Apr 4, 3:49 AM CDTSpecial Weather StatementFWDCoryell26 min
Apr 4, 3:51 AM CDTSpecial Weather StatementFWDLampasas, Mills24 min
Apr 4, 3:55 AM CDTSpecial Weather StatementFWDVan Zandt35 min
Apr 4, 4:01 AM CDTSevere Thunderstorm WarningFWDHunt31 min
Apr 4, 4:20 AM CDTSpecial Weather StatementFWDCoryell, Hamilton, Mills25 min
Apr 4, 4:24 AM CDTSevere Thunderstorm WarningFWDDelta, Hopkins38 min
Apr 4, 4:32 AM CDTSevere Thunderstorm WarningFWDCoryell43 min
Apr 4, 4:43 AM CDTSpecial Weather StatementFWDHill32 min
Apr 4, 5:27 AM CDTSevere Thunderstorm WarningFWDEllis, Hill, Johnson39 min
Apr 4, 6:34 AM CDTSevere Thunderstorm WarningFWDMilam56 min
Apr 4, 7:50 AM CDTSpecial Weather StatementFWDMilam25 min
Apr 4, 8:21 AM CDTSpecial Weather StatementFWDRobertson24 min
Apr 4, 8:30 AM CDTSevere Thunderstorm WarningFWDRobertson26 min
Apr 4, 8:49 AM CDTSevere Thunderstorm WarningFWDMilam25 min
Apr 4, 9:02 AM CDTSevere Thunderstorm WarningFWDMcLennan43 min
Apr 4, 9:07 AM CDTSevere Thunderstorm WarningFWDRobertson24 min
Apr 4, 9:10 AM CDTSpecial Weather StatementFWDBell35 min
Apr 4, 9:18 AM CDTSevere Thunderstorm WarningFWDBell, Falls30 min
Apr 4, 9:29 AM CDTSpecial Weather StatementFWDLimestone31 min
Apr 4, 9:40 AM CDTSpecial Weather StatementFWDLeon35 min
Apr 4, 1:30 PM CDTRiver Flood WarningFWDDelta, Hopkins7 hr
Apr 4, 4:21 PM CDTRiver Flood WarningFWDHunt13 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

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.