Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 266, NWS Fort Worth, TX

June 4, 2007Dallas County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 4, 2007, 3:42 PM CDT for Dallas County, Texas. It was in force for 63 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
Jun 4, 2007, 3:42 PM CDT (20:42 UTC)
Expired
Jun 4, 2007, 4:45 PM CDT
In force
63 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

County Dallas County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 54 km from the middle of the area, began a volume at 20:44 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.7 hours before the alert went out and 48 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 2007-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 225 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 2007-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
225 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1669 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jun 4, 3:29 PM CDT, 13 minutes earlier.

Area forecast discussion, Jun 4, 3:29 PM CDT, 13 minutes before
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Hazardous weather outlook, Jun 4, 11:25 AM CDT, 4 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1125 AM CDT MON JUN 4 2007

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-051100-
MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN-
HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS-
ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL-
JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-
NAVARRO-FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-
LIMESTONE-LEON-MILAM-ROBERTSON-
1125 AM CDT MON JUN 4 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING...
SOUTH AND WEST OF A BOWIE...WEATHERFORD... HILLSBORO...PALESTINE
LINE...WITH MORE ISOLATED COVERAGE FURTHER NORTH AND EAST. A FEW
SEVERE STORMS WITH LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE OVER
FAR SOUTHERN SECTIONS OF NORTH TEXAS.

THUNDERSTORM ACTIVITY SHOULD WIND DOWN DURING THE OVERNIGHT...AS
INSTABILITY WANES AND AN UPPER LEVEL DISTURBANCE MOVES AWAY FROM THE
AREA.

.DAYS TWO THROUGH SEVEN...
NO THUNDERSTORMS EXPECTED. HOWEVER...INCREASING TEMPERATURES AND
CONTINUED HIGH HUMIDITY WILL RESULT IN INCREASING HEAT INDEX VALUES.
HEAT INDICES IN THE MID TO UPPER 90S ACROSS NORTH TEXAS WILL BE
POSSIBLE FROM WEDNESDAY...INTO NEXT WEEKEND.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED LATER THIS AFTERNOON AND EVENING
OVER FAR SOUTHERN PORTIONS OF NORTH TEXAS.

05/

In the hours before

Special weather statement, Jun 4, 2:47 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
247 PM CDT MON JUN 4 2007

TXZ118-042015-
TARRANT TX-
247 PM CDT MON JUN 4 2007

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHEASTERN TARRANT COUNTY

AT 247 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 2 MILES NORTH OF SOUTHLAKE...MOVING SOUTHEAST AT
10 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE GRAPEVINE AND SOUTHLAKE.

HALF-INCH HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS
STORM.

LAT...LON 3299 9727 3296 9728 3287 9704 3298 9703
Local storm report, Jun 4, 2:52 PM CDT, 50 minutes before
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Special weather statement, Jun 4, 3:05 PM CDT, 37 minutes before
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Special weather statement, Jun 4, 3:15 PM CDT, 27 minutes before
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Local storm report, Jun 4, 3:25 PM CDT, 17 minutes before
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Special weather statement, Jun 4, 3:34 PM CDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 7:10 PM CDTSevere Thunderstorm WarningFWDBell51 min
Jun 4, 1:35 PM CDTSpecial Weather StatementFWDBurnet25 min
Jun 4, 2:03 PM CDTSpecial Weather StatementFWDLampasas57 min
Jun 4, 2:20 PM CDTSpecial Weather StatementFWDCollin, Denton55 min
Jun 4, 2:26 PM CDTSpecial Weather StatementFWDRains34 min
Jun 4, 2:43 PM CDTSevere Thunderstorm WarningFWDLampasas25 min
Jun 4, 2:47 PM CDTSpecial Weather StatementFWDTarrant28 min
Jun 4, 2:52 PM CDTSevere Thunderstorm WarningFWDDallas, Denton53 min
Jun 4, 3:05 PM CDTSpecial Weather StatementFWDRobertson25 min
Jun 4, 3:15 PM CDTSpecial Weather StatementFWDCollin, Kaufman, Rockwall60 min
Jun 4, 3:26 PM CDTSevere Thunderstorm WarningFWDTarrant34 min
Jun 4, 3:34 PM CDTSpecial Weather StatementFWDRains26 min
Jun 4, 3:46 PM CDTSevere Thunderstorm WarningFWDCollin, Rockwall59 min
Jun 4, 3:50 PM CDTSevere Thunderstorm WarningFWDHunt, Rains55 min
Jun 4, 3:56 PM CDTSpecial Weather StatementFWDMilam34 min
Jun 4, 4:14 PM CDTSevere Thunderstorm WarningFWDMilam46 min
Jun 4, 4:20 PM CDTSevere Thunderstorm WarningFWDKaufman55 min
Jun 4, 4:23 PM CDTSpecial Weather StatementFWDFannin67 min
Jun 4, 4:30 PM CDTSpecial Weather StatementFWDEllis30 min
Jun 4, 4:34 PM CDTSpecial Weather StatementFWDHopkins26 min
Jun 4, 4:42 PM CDTSpecial Weather StatementFWDDelta33 min
Jun 4, 4:49 PM CDTSpecial Weather StatementFWDRobertson56 min
Jun 4, 4:57 PM CDTSpecial Weather StatementFWDMontague33 min
Jun 4, 4:57 PM CDTSevere Thunderstorm WarningFWDVan Zandt63 min
Jun 4, 5:00 PM CDTSevere Thunderstorm WarningFWDMilam, Robertson45 min
Jun 4, 5:05 PM CDTSpecial Weather StatementFWDJohnson25 min
Jun 4, 5:09 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant36 min
Jun 4, 5:18 PM CDTSpecial Weather StatementFWDGrayson27 min
Jun 4, 5:25 PM CDTSpecial Weather StatementFWDEllis35 min
Jun 4, 5:33 PM CDTSevere Thunderstorm WarningFWDEllis, Johnson57 min
Jun 4, 5:48 PM CDTSpecial Weather StatementFWDGrayson27 min
Jun 4, 5:58 PM CDTSpecial Weather StatementFWDCooke62 min
Jun 4, 6:32 PM CDTSpecial Weather StatementFWDNavarro28 min
Jun 4, 6:34 PM CDTSpecial Weather StatementFWDDenton26 min
Jun 4, 6:37 PM CDTSpecial Weather StatementFWDJack23 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning in 2007

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.