Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 23, NWS Fort Worth, TX

February 10, 2013Falls County, McLennan County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Feb 10, 2013, 2:51 AM CST for Falls County, McLennan County, Texas. It was in force for 54 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
Feb 10, 2013, 2:51 AM CST (08:51 UTC)
Expired
Feb 10, 2013, 3:45 AM CST
In force
54 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Falls County, TX, McLennan County, TX

The radar

The Ft Hood radar (KGRK), 81 km from the middle of the area, began a volume at 08:55 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
Feb 9, 11:37 PM CSTSevere Thunderstorm WatchSPC6 hr
Feb 10, 1:33 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 8.9 hours before the alert went out and 160 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 2013-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 2013-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 728 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
459 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
728 m²/s²
0-3 km storm-relative helicity
777 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

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 Feb 10, 2:48 AM CST, 3 minutes earlier.

Area forecast discussion, Feb 10, 2:48 AM CST, 3 minutes before
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Hazardous weather outlook, Feb 9, 3:14 PM CST, 11 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
314 PM CST SAT FEB 9 2013

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-101230-
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-
314 PM CST SAT FEB 9 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TONIGHT.
SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS NORTH TEXAS THIS
EVENING. LATER TONIGHT...A LINE OF THUNDERSTORMS WILL MOVE ACROSS
NORTH TEXAS AFTER MIDNIGHT AND SOME STORMS COULD BE SEVERE WITH
LARGE HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
STRONG TO SEVERE THUNDERSTORMS SHOULD STILL BE OCCURRING OVER THE
SOUTHEAST COUNTIES AFTER DAYBREAK SUNDAY...BUT THEY ARE EXPECTED
TO EXIT THE REGION BY MID MORNING.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED AFTER MIDNIGHT TONIGHT...
INITIALLY IN AREAS WEST OF THE I-35 CORRIDOR...THEN IN AREAS ALONG
AND EAST OF THE I-35 CORRIDOR FROM 3 AM THROUGH EARLY SUNDAY
MORNING.

In the hours before

Special weather statement, Feb 10, 12:59 AM CST, 1 hour 52 minutes before
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Local storm report, Feb 10, 1:44 AM CST, 1 hour 7 minutes before
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Local storm report, Feb 10, 1:47 AM CST, 1 hour 4 minutes before
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Local storm report, Feb 10, 1:49 AM CST, 1 hour 2 minutes before
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Local storm report, Feb 10, 2:22 AM CST, 29 minutes before
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Local storm report, Feb 10, 2:25 AM CST, 26 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 12:12 AM CSTSevere Thunderstorm WarningFWDEastland, Stephens48 min
Feb 10, 12:30 AM CSTSevere Thunderstorm WarningFWDComanche, Eastland45 min
Feb 10, 12:40 AM CSTSevere Thunderstorm WarningFWDPalo Pinto65 min
Feb 10, 12:59 AM CSTSpecial Weather StatementFWDJack31 min
Feb 10, 1:13 AM CSTSevere Thunderstorm WarningFWDComanche, Eastland, Erath62 min
Feb 10, 1:24 AM CSTSevere Thunderstorm WarningFWDParker66 min
Feb 10, 1:56 AM CSTSevere Thunderstorm WarningFWDErath, Hood, Somervell64 min
Feb 10, 2:03 AM CSTSevere Thunderstorm WarningFWDTarrant57 min
Feb 10, 2:10 AM CSTSevere Thunderstorm WarningFWDComanche, Hamilton, Mills65 min
Feb 10, 2:27 AM CSTSevere Thunderstorm WarningFWDJohnson63 min
Feb 10, 2:30 AM CSTSevere Thunderstorm WarningFWDDenton45 min
Feb 10, 2:42 AM CSTSevere Thunderstorm WarningFWDCollin, Grayson63 min
Feb 10, 2:46 AM CSTSevere Thunderstorm WarningFWDBell59 min
Feb 10, 2:54 AM CSTSevere Thunderstorm WarningFWDDallas, Tarrant66 min
Feb 10, 3:26 AM CSTSevere Thunderstorm WarningFWDRockwall34 min
Feb 10, 3:37 AM CSTSevere Thunderstorm WarningFWDHunt53 min
Feb 10, 3:43 AM CSTSevere Thunderstorm WarningFWDFalls62 min
Feb 10, 3:47 AM CSTSevere Thunderstorm WarningFWDKaufman58 min
Feb 10, 3:52 AM CSTSpecial Weather StatementFWDHenderson, Navarro53 min
Feb 10, 3:55 AM CSTSevere Thunderstorm WarningFWDBell, Milam50 min
Feb 10, 4:22 AM CSTSpecial Weather StatementFWDLimestone23 min
Feb 10, 4:26 AM CSTSevere Thunderstorm WarningFWDLimestone64 min
Feb 10, 4:38 AM CSTSevere Thunderstorm WarningFWDFalls, Milam67 min
Feb 10, 5:00 AM CSTSpecial Weather StatementFWDAnderson30 min
Feb 10, 5:23 AM CSTSpecial Weather StatementFWDLimestone37 min
Feb 10, 5:26 AM CSTSpecial Weather StatementFWDAnderson34 min
Feb 10, 5:41 AM CSTTornado WarningFWDFreestone, Leon, Limestone49 min
Feb 10, 6:02 AM CSTSpecial Weather StatementFWDAnderson28 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013

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.