Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 271, NWS Fort Worth, TX

October 10, 2014Comanche County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Oct 10, 2014, 8:45 PM CDT for Comanche County, Texas. It was in force for 60 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
Oct 10, 2014, 8:45 PM CDT (01:45 UTC)
Expired
Oct 10, 2014, 9:45 PM CDT
In force
60 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Comanche County, TX

The radar

The Dyess AFB radar (KDYX), 93 km from the middle of the area, began a volume at 01:45 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
Oct 10, 3:22 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 1.8 hours before the alert went out and 360 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, Del Rio, TX at 00:00Z on 2014-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1507 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, Del Rio, TX at 00:00Z on 2014-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 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
1507 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
1379 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

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 Oct 10, 6:38 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Oct 10, 6:38 PM CDT, 2 hours 7 minutes before
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Hazardous weather outlook, Oct 10, 1:10 PM CDT, 7 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
110 PM CDT FRI OCT 10 2014

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-111300-
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-
110 PM CDT FRI OCT 10 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON...MAINLY NORTH
OF INTERSTATE 20 AND ALONG AND WEST OF INTERSTATE 35/35E.
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL OVERSPREAD
NORTH AND CENTRAL TEXAS THIS EVENING AND TONIGHT AS A COLD FRONT
MOVES SOUTHEAST ACROSS THE REGION. SOME THUNDERSTORMS MAY BECOME
SEVERE ALONG AND NORTHWEST OF A LINE FROM COMANCHE TO WAXAHACHIE
TO EMORY THIS AFTERNOON INTO THE EVENING HOURS. GUSTY WINDS...HAIL
UP TO THE SIZE OF HALF DOLLARS...LIGHTNING AND LOCALLY HEAVY
RAINFALL WILL BE THE THREATS WITH ANY STRONG OR SEVERE STORMS.
OVERNIGHT...THE MAIN THREATS WILL BE LOCALLY HEAVY RAINFALL AND
LIGHTNING. THE HEAVY RAINFALL MAY RESULT IN MINOR FLOODING
ISSUES...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 20.

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

THERE WILL BE A CONTINUED CHANCE OF THUNDERSTORMS SATURDAY
THROUGH MONDAY ACROSS MOST OF NORTH AND CENTRAL TEXAS. LOCALLY
HEAVY RAINFALL ON SATURDAY MAY RESULT IN MINOR FLOODING
ISSUES...ESPECIALLY SOUTH OF INTERSTATE 20 AND EAST OF INTERSTATE
35. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED AT THIS TIME...BUT
A FEW STORMS SUNDAY NIGHT AND EARLY MORNING COULD BECOME SEVERE
PRODUCING LARGE HAIL AND DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED BETWEEN 3 PM AND 10 PM ALONG
AND NORTHWEST OF A COMANCHE TO WAXAHACHIE TO EMORY LINE.

82/JLD

In the hours before

Special weather statement, Oct 10, 7:12 PM CDT, 1 hour 33 minutes before
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Special weather statement, Oct 10, 7:43 PM CDT, 1 hour 2 minutes before
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Special weather statement, Oct 10, 7:56 PM CDT, 49 minutes before
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Special weather statement, Oct 10, 8:02 PM CDT, 43 minutes before
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Special weather statement, Oct 10, 8:30 PM CDT, 15 minutes before
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Special weather statement, Oct 10, 8:38 PM CDT, 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 7:12 PM CDTSpecial Weather StatementFWDEastland33 min
Oct 10, 7:43 PM CDTSpecial Weather StatementFWDEastland32 min
Oct 10, 7:47 PM CDTSevere Thunderstorm WarningFWDEastland58 min
Oct 10, 7:56 PM CDTSpecial Weather StatementFWDYoung34 min
Oct 10, 8:02 PM CDTSpecial Weather StatementFWDStephens28 min
Oct 10, 8:30 PM CDTSpecial Weather StatementFWDJack30 min
Oct 10, 8:31 PM CDTSevere Thunderstorm WarningFWDErath59 min
Oct 10, 8:38 PM CDTSpecial Weather StatementFWDStephens37 min
Oct 10, 8:58 PM CDTSpecial Weather StatementFWDMontague, Wise32 min
Oct 10, 9:03 PM CDTSpecial Weather StatementFWDPalo Pinto27 min
Oct 10, 9:24 PM CDTSevere Thunderstorm WarningFWDErath66 min
Oct 10, 9:30 PM CDTSpecial Weather StatementFWDCooke, Denton, Wise60 min
Oct 10, 9:42 PM CDTSpecial Weather StatementFWDHood, Somervell33 min
Oct 10, 10:02 PM CDTSevere Thunderstorm WarningFWDBosque, Somervell43 min
Oct 10, 10:05 PM CDTSpecial Weather StatementFWDCooke, Denton, Grayson25 min
Oct 10, 10:39 PM CDTSpecial Weather StatementFWDJohnson36 min
Oct 10, 10:43 PM CDTSpecial Weather StatementFWDCollin, Fannin, Hunt, Rockwall32 min
Oct 10, 10:51 PM CDTSpecial Weather StatementFWDDallas, Kaufman24 min
Oct 10, 10:55 PM CDTSevere Thunderstorm WarningFWDCollin, Fannin, Grayson, Hunt65 min
Oct 10, 11:06 PM CDTSpecial Weather StatementFWDKaufman, Rockwall24 min
Oct 10, 11:20 PM CDTSpecial Weather StatementFWDEllis25 min
Oct 10, 11:27 PM CDTSpecial Weather StatementFWDFannin, Hunt33 min
Oct 10, 11:34 PM CDTSpecial Weather StatementFWDDelta, Hopkins26 min
Oct 10, 11:50 PM CDTSpecial Weather StatementFWDEllis25 min
Oct 10, 11:57 PM CDTSpecial Weather StatementFWDDelta, Hopkins, Lamar63 min
Oct 11, 12:19 AM CDTSpecial Weather StatementFWDLamar26 min
Oct 11, 4:41 AM CDTAreal Flood AdvisoryFWDCoryell, McLennan49 min
Oct 11, 5:03 AM CDTAreal Flood AdvisoryFWDLimestone87 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014Every severe thunderstorm warning in 2014

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.