Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 49, NWS Fort Worth, TX

April 23, 2010Bosque County, McLennan County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 23, 2010, 11:50 PM CDT for Bosque County, McLennan County, Texas. It was in force for 70 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 23, 2010, 11:50 PM CDT (04:50 UTC)
Expired
Apr 24, 2010, 1:00 AM CDT
In force
70 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Bosque County, TX, McLennan County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 95 km from the middle of the area, began a volume at 04:51 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
Apr 23, 11:16 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.8 hours before the alert went out and 123 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, 4 hours 3 minutes earlier.

Area forecast discussion, Apr 23, 7:47 PM CDT, 4 hours 3 minutes before
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Hazardous weather outlook, Apr 23, 3:15 PM CDT, 8 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
315 PM CDT FRI APR 23 2010

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-241100-
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-
315 PM CDT FRI APR 23 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS ARE EXPECTED TONIGHT AND EARLY SATURDAY
MORNING ACROSS MUCH OF NORTH TEXAS. THE THREAT FOR STRONG TO
SEVERE THUNDERSTORMS WILL BE HIGHEST ALONG AND EAST OF A LINE
FROM BONHAM TO DALLAS TO GOLDTHWAITE. LARGE HAIL...DAMAGING
WINDS...ISOLATED TORNADOES...AND HEAVY RAINFALL LEADING TO
LOCALIZED FLASH FLOODING WILL BE POSSIBLE WITH ANY SEVERE STORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

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 WILL LIKELY BE REQUESTED TONIGHT ALONG AND
EAST OF A LINE FROM BONHAM TO DALLAS TO GOLDTHWAITE.

82/JLD

In the hours before

Local storm report, Apr 23, 8:54 PM CDT, 2 hours 56 minutes before
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Local storm report, Apr 23, 9:06 PM CDT, 2 hours 44 minutes before
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Local storm report, Apr 23, 11:32 PM CDT, 18 minutes before
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Local storm report, Apr 23, 11:38 PM CDT, 12 minutes before
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Local storm report, Apr 23, 11:39 PM CDT, 11 minutes before
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Local storm report, Apr 23, 11:44 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
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 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, 1:03 AM CDTSevere Thunderstorm WarningFWDFreestone72 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.