Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 109, NWS Fort Worth, TX

May 24, 2007Coryell County, Lampasas County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 24, 2007, 5:56 PM CDT for Coryell County, Lampasas County, Texas. It was in force for 3 hr. 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 24, 2007, 5:56 PM CDT (22:56 UTC)
Expired
May 24, 2007, 9:00 PM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Coryell County, TX, Lampasas County, TX

The radar

The Ft Hood radar (KGRK), 88 km from the middle of the area, began a volume at 22:57 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, 10.9 hours before the alert went out and 184 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 2007-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 883 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 2007-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
883 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
220 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 flash flood 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 flash flood warning went out at May 24, 2:41 PM CDT, 3 hours 15 minutes earlier.

Area forecast discussion, May 24, 2:41 PM CDT, 3 hours 15 minutes before
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Hazardous weather outlook, May 24, 3:25 PM CDT, 2 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
325 PM CDT THU MAY 24 2007

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-251100-
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-
325 PM CDT THU MAY 24 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A GOOD CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS
THIS EVENING WHEN A COLD FRONT STALLS OVER THE REGION. HEAVY
RAIN...SMALL HAIL...GUSTY WINDS AND LIGHTNING WILL ACCOMPANY SOME OF
THE STORMS.  A FEW STORMS MAY BRIEFLY REACH SEVERE LIMITS WITH HAIL
UP TO ONE INCH IN DIAMETER AND WIND GUSTS TO 60 MPH. THE
THUNDERSTORMS WILL DECREASE IN COVERAGE AND INTENSITY OVERNIGHT.

.DAYS TWO THROUGH SEVEN...
ABUNDANT LOW LEVEL MOISTURE...COUPLED WITH ENERGY FROM A WEAK AND
SLOW MOVING UPPER LEVEL DISTURBANCE...WILL BRING A CHANCE OF
THUNDERSTORMS TO MOST OF NORTH TEXAS THROUGH WEDNESDAY. NO ORGANIZED
SEVERE WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUESTED THIS EVENING.

In the hours before

Local storm report, May 24, 3:38 PM CDT, 2 hours 18 minutes before
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Local storm report, May 24, 4:31 PM CDT, 1 hour 25 minutes before
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Special weather statement, May 24, 4:50 PM CDT, 1 hour 6 minutes before
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Special weather statement, May 24, 4:57 PM CDT, 59 minutes before
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Local storm report, May 24, 5:49 PM CDT, 7 minutes before
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Local storm report, May 24, 5:50 PM CDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:48 PM CDTSpecial Weather StatementFWDFreestone27 min
May 23, 8:44 PM CDTSpecial Weather StatementFWDRains31 min
May 24, 11:18 AM CDTSpecial Weather StatementFWDParker27 min
May 24, 11:52 AM CDTSpecial Weather StatementFWDYoung23 min
May 24, 11:54 AM CDTSpecial Weather StatementFWDTarrant36 min
May 24, 12:18 PM CDTSpecial Weather StatementFWDArcher, Clay, Jack, Montague, Palo Pinto, Stephens and 2 more27 min
May 24, 1:17 PM CDTSpecial Weather StatementFWDCooke, Eastland, Jack, Montague, Palo Pinto, Stephens and 2 more28 min
May 24, 2:08 PM CDTSevere Thunderstorm WarningFWDCooke22 min
May 24, 2:16 PM CDTSevere Thunderstorm WarningFWDErath29 min
May 24, 2:36 PM CDTSevere Thunderstorm WarningFWDEastland24 min
May 24, 2:53 PM CDTSevere Thunderstorm WarningFWDTarrant37 min
May 24, 3:04 PM CDTFlash Flood WarningFWDEastland3 hr
May 24, 3:05 PM CDTSpecial Weather StatementFWDCollin25 min
May 24, 3:10 PM CDTSevere Thunderstorm WarningFWDCollin35 min
May 24, 3:16 PM CDTSpecial Weather StatementFWDDallas19 min
May 24, 3:29 PM CDTFlash Flood WarningFWDTarrant2 hr
May 24, 3:31 PM CDTSevere Thunderstorm WarningFWDTarrant29 min
May 24, 3:42 PM CDTSevere Thunderstorm WarningFWDBosque63 min
May 24, 3:49 PM CDTSevere Thunderstorm WarningFWDDallas56 min
May 24, 4:03 PM CDTFlash Flood WarningFWDDallas117 min
May 24, 4:50 PM CDTSpecial Weather StatementFWDKaufman25 min
May 24, 4:57 PM CDTSpecial Weather StatementFWDEllis33 min
May 24, 5:14 PM CDTSevere Thunderstorm WarningFWDHill46 min
May 24, 5:27 PM CDTSevere Thunderstorm WarningFWDBell33 min
May 24, 5:41 PM CDTFlash Flood WarningFWDBell3 hr

Nearby

Flash Flood Warnings in Texas, 2007Every flash flood 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.