Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 314, NWS Fort Worth, TX

May 14, 2008Leon County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 14, 2008, 11:49 PM CDT for Leon County, Texas. It was in force for 56 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
May 14, 2008, 11:49 PM CDT (04:49 UTC)
Expired
May 15, 2008, 12:45 AM CDT
In force
56 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Leon County, TX

The radar

The Ft Hood radar (KGRK), 147 km from the middle of the area, began a volume at 04:50 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
May 14, 7:50 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.8 hours before the alert went out and 210 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 2008-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 726 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 2008-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
726 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
843 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

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 May 14, 11:15 PM CDT, 34 minutes earlier.

Area forecast discussion, May 14, 11:15 PM CDT, 34 minutes before
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Hazardous weather outlook, May 14, 3:30 AM CDT, 20 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
330 AM CDT WED MAY 14 2008

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-151100-
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 AM CDT WED MAY 14 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.
THUNDERSTORMS ARE LIKELY TODAY AND TONIGHT ACROSS ALL OF NORTH
TEXAS. SOME THUNDERSTORMS MAY BECOME SEVERE...WITH LARGE HAIL AND
DAMAGING WINDS THE MAIN SEVERE WEATHER THREAT.  HOWEVER...AN
ISOLATED BRIEF TORNADO WILL BE POSSIBLE.  OTHERWISE...ALL
THUNDERSTORMS WILL BE CAPABLE OF CLOUD TO GROUND LIGHTNING AND HEAVY
RAINFALL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THERE IS A CHANCE OF THUNDERSTORMS THURSDAY SOUTH OF A LINE FROM
BRECKENRIDGE TO DENTON TO PARIS. SEVERE THUNDERSTORMS ARE NOT
EXPECTED.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED TODAY.

In the hours before

Local storm report, May 14, 9:09 PM CDT, 2 hours 40 minutes before
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Local storm report, May 14, 9:16 PM CDT, 2 hours 33 minutes before
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Local storm report, May 14, 9:21 PM CDT, 2 hours 28 minutes before
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Local storm report, May 14, 9:30 PM CDT, 2 hours 19 minutes before
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Local storm report, May 14, 9:56 PM CDT, 1 hour 53 minutes before
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Special weather statement, May 14, 10:56 PM CDT, 53 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:18 PM CDTTornado WarningFWDEastland42 min
May 14, 7:20 PM CDTTornado WarningFWDLampasas40 min
May 14, 7:30 PM CDTSpecial Weather StatementFWDMills30 min
May 14, 7:49 PM CDTTornado WarningFWDComanche, Eastland41 min
May 14, 7:53 PM CDTSpecial Weather StatementFWDBell37 min
May 14, 7:57 PM CDTTornado WarningFWDLampasas25 min
May 14, 8:00 PM CDTSpecial Weather StatementFWDStephens30 min
May 14, 8:13 PM CDTSevere Thunderstorm WarningFWDBell, Coryell, Lampasas62 min
May 14, 8:21 PM CDTTornado WarningFWDComanche, Erath39 min
May 14, 8:47 PM CDTSpecial Weather StatementFWDPalo Pinto28 min
May 14, 8:54 PM CDTTornado WarningFWDComanche, Erath, Hamilton51 min
May 14, 9:08 PM CDTAreal Flood AdvisoryFWDBell3 hr
May 14, 9:11 PM CDTSevere Thunderstorm WarningFWDBell64 min
May 14, 9:32 PM CDTSevere Thunderstorm WarningFWDBosque, Coryell, Hamilton28 min
May 14, 9:36 PM CDTSevere Thunderstorm WarningFWDBell, Milam54 min
May 14, 10:44 PM CDTSevere Thunderstorm WarningFWDMilam61 min
May 14, 10:56 PM CDTSpecial Weather StatementFWDCollin, Dallas, Hunt, Johnson, Rockwall64 min
May 14, 11:06 PM CDTSevere Thunderstorm WarningFWDRobertson54 min
May 14, 11:23 PM CDTSevere Thunderstorm WarningFWDEllis48 min
May 14, 11:54 PM CDTSevere Thunderstorm WarningFWDMilam43 min
May 15, 12:10 AM CDTAreal Flood AdvisoryFWDFreestone2 hr
May 15, 12:20 AM CDTAreal Flood AdvisoryFWDRobertson115 min
May 15, 12:22 AM CDTSpecial Weather StatementFWDHopkins, Kaufman, Rains, Van Zandt23 min
May 15, 12:37 AM CDTRiver Flood WarningFWDDallas7 hr
May 15, 12:41 AM CDTAreal Flood AdvisoryFWDLeon3 hr
May 15, 2:53 AM CDTRiver Flood WarningFWDHunt, Rockwall30 hr
May 15, 1:18 PM CDTRiver Flood WarningFWDMilam32 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.