Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 55, NWS Fort Worth, TX

April 24, 2010Freestone County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 24, 2010, 1:03 AM CDT for Freestone County, Texas. It was in force for 72 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 24, 2010, 1:03 AM CDT (06:03 UTC)
Expired
Apr 24, 2010, 2:15 AM CDT
In force
72 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Freestone County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 145 km from the middle of the area, began a volume at 06:06 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 23, 5:41 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 6.1 hours before the alert went out and 165 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 2010-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2010-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2449 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
131 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 Apr 23, 7:47 PM CDT, 5 hours 16 minutes earlier.

Area forecast discussion, Apr 23, 7:47 PM CDT, 5 hours 16 minutes before
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Hazardous weather outlook, Apr 24, 12:45 AM CDT, 18 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1245 AM CDT SAT APR 24 2010

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-241200-
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-
1245 AM CDT SAT APR 24 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TONIGHT.

SEVERE THUNDERSTORMS WITH LARGE HAIL...DAMAGING WINDS GREATER THAN
70 MPH...AND A FEW TORNADOES WILL CONTINUE TO AFFECT THOSE PARTS
OF NORTH TEXAS SOUTHEAST OF A PARIS...WAXAHACHIE...HILLSBORO...KILLEEN
LINE OVERNIGHT. LOCALIZED FLASH FLOODING AND STREET FLOODING ARE
POSSIBLE...AS THE SEVERE STORMS MOVE ACROSS THESE AREAS THROUGH
DAYBREAK.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE NEXT CHANCE FOR THUNDERSTORMS IN NORTH TEXAS WILL BE MONDAY
AFTERNOON AND EVENING...FOLLOWED BY ANOTHER CHANCE FOR
THUNDERSTORMS ON THURSDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS LIKELY SOUTHEAST OF A PARIS...WAXAHACHIE...
HILLSBORO...KILLEEN LINE OVERNIGHT.

05/

In the hours before

Local storm report, Apr 24, 12:30 AM CDT, 33 minutes before
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Local storm report, Apr 24, 12:34 AM CDT, 29 minutes before
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Local storm report, Apr 24, 12:38 AM CDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1238 AM CDT SAT APR 24 2010

..TIME..    ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE..    ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1225 AM     HAIL             BRUCEVILLE-EDDY         31.32N  97.23W
04/24/2010  E1.00 INCH       MCLENNAN           TX   BROADCAST MEDIA

            QUARTER HAIL REPORTED BY CONLEY ISOM IN BRUCEVILLE-EDDY.
Local storm report, Apr 24, 12:56 AM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1256 AM CDT SAT APR 24 2010

..TIME..    ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE..    ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1247 AM     TSTM WND DMG     3 SW AXTELL             31.64N  97.01W
04/24/2010                   MCLENNAN           TX   BROADCAST MEDIA

            HWY 84 NEAR AXTELL. TREES UPROOTED AND A REFRIGERATOR
            BLOWN OFF A BACK PORCH.
Local storm report, Apr 24, 12:57 AM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1257 AM CDT SAT APR 24 2010

..TIME..    ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE..    ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1254 AM     HAIL             2 E ENNIS               32.33N  96.60W
04/24/2010  E2.00 INCH       ELLIS              TX   TRAINED SPOTTER

            EGG SIZE HAIL 2 EAST OF ENNIS
Local storm report, Apr 24, 1:02 AM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
102 AM CDT SAT APR 24 2010

..TIME..    ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE..    ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1256 AM     HAIL             1 SSW ENNIS             32.32N  96.64W
04/24/2010  E0.88 INCH       ELLIS              TX   NWS STORM SURVEY

            NICKEL HAIL SSW OF ENNIS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:19 PM CDTSpecial Weather StatementFWDAnderson26 min
Apr 23, 7:34 PM CDTSevere Thunderstorm WarningFWDAnderson56 min
Apr 23, 10:42 PM CDTSevere Thunderstorm WarningFWDLampasas63 min
Apr 23, 10:50 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton55 min
Apr 23, 11:20 PM CDTSevere Thunderstorm WarningFWDBell55 min
Apr 23, 11:44 PM CDTSevere Thunderstorm WarningFWDCoryell46 min
Apr 23, 11:50 PM CDTSevere Thunderstorm WarningFWDBosque, McLennan70 min
Apr 24, 12:14 AM CDTSevere Thunderstorm WarningFWDBell, Falls76 min
Apr 24, 12:20 AM CDTSevere Thunderstorm WarningFWDHill55 min
Apr 24, 12:27 AM CDTAreal Flood AdvisoryFWDHill, McLennan3 hr
Apr 24, 12:38 AM CDTSevere Thunderstorm WarningFWDLimestone82 min
Apr 24, 12:47 AM CDTSevere Thunderstorm WarningFWDEllis, Kaufman58 min
Apr 24, 12:49 AM CDTSevere Thunderstorm WarningFWDNavarro56 min
Apr 24, 1:11 AM CDTSevere Thunderstorm WarningFWDRobertson37 min
Apr 24, 1:23 AM CDTSevere Thunderstorm WarningFWDHenderson67 min
Apr 24, 1:37 AM CDTSevere Thunderstorm WarningFWDKaufman, Van Zandt53 min
Apr 24, 1:43 AM CDTSevere Thunderstorm WarningFWDAnderson42 min
Apr 24, 1:51 AM CDTSevere Thunderstorm WarningFWDRains54 min
Apr 24, 1:55 AM CDTTornado WarningFWDVan Zandt33 min
Apr 24, 2:25 AM CDTSpecial Weather StatementFWDHopkins35 min
Apr 24, 5:03 AM CDTSpecial Weather StatementFWDBell, Falls27 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010Every severe thunderstorm warning in 2010

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.