Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 66, NWS Fort Worth, TX

April 13, 2014Comanche County, Eastland County, Erath County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 13, 2014, 4:56 PM CDT for Comanche County, Eastland County, Erath County, Texas. It was in force for 64 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 13, 2014, 4:56 PM CDT (21:56 UTC)
Expired
Apr 13, 2014, 6:00 PM CDT
In force
64 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Comanche County, TX, Eastland County, TX, Erath County, TX

The radar

The Dyess AFB radar (KDYX), 79 km from the middle of the area, began a volume at 21:57 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.9 hours before the alert went out and 138 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 12:00Z on 2014-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 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 12:00Z on 2014-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 334 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
73 J/kg
Mixed-layer CIN
-284 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
334 m²/s²
0-3 km storm-relative helicity
439 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 13, 4:10 PM CDT, 46 minutes earlier.

Area forecast discussion, Apr 13, 4:10 PM CDT, 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FORT WORTH TX
410 PM CDT SUN APR 13 2014

.DISCUSSION...
THE SHOWERS AND THUNDERSTORMS THAT MOVED INTO THE WESTERN ZONES
BEFORE SUNRISE AND MOVED ACROSS NORTH AND CENTRAL TEXAS TODAY HAD
MOVED TO THE EAST OF A BONHAM TO CORSICANA TO GEORGETOWN LINE AS
OF 330 PM. THESE STORMS PRODUCED SOME LIGHTNING AND GUSTY WINDS
AND THERE WERE A FEW REPORTS OF SOME SMALL HAIL. ROUND TWO OF
STORMS HAVE FIRED ALONG THE DRY LINE THIS AFTERNOON. THESE STORMS
WILL CONTINUE TO MOVE EAST NORTHEAST THROUGH EARLY EVENING. SOME
DESTABILIZATION IS OCCURRING ACROSS THE AREA FROM THE I-35
CORRIDOR WESTWARD LATE THIS AFTERNOON...SO ADDITIONAL DEVELOPMENT
MAY STILL OCCUR BEFORE SUNSET. A COLD FRONT THAT EXTENDED
SOUTHEAST OF A SWEETWATER TO CHILDRESS TO PLAINVIEW LINE AT 3
PM....WILL CONTINUE TO MOVE SOUTHEAST TONIGHT. THIS FRONT WILL
OVERTAKE THE DRY LINE THIS EVENING AND SWEEP THROUGH THE
SOUTHEASTERN ZONES BY DAYBREAK. WINDS WILL SHIFT TO THE NORTH WITH
THE FRONTAL PASSAGE AND SPEEDS WILL INCREASE TOWARD DAYBREAK.

STRONG NORTHERLY WINDS WILL MIX DOWN MONDAY MORNING WITH
SUSTAINED WINDS OF 20 TO 30 MPH WITH WIND GUSTS OF 40 TO 45 MPH
POSSIBLE. A WIND ADVISORY WILL LIKELY BE ISSUED LATER THIS
EVENING TO COVER MONDAY/S STRONG WINDS. HIGHS MONDAY WILL BE IN
THE 50S TO LOWER 60S.

WINDS WILL DECREASE BY SUNSET MONDAY AND WITH CLEAR SKIES AND THE
LIGHTER WINDS...A FREEZE WILL OCCUR ACROSS PARTS OF NORTH TEXAS
WITH AREAS OF FROST POSSIBLE ACROSS MOST OF NORTH AND CENTRAL
TEXAS. LOWS WILL BE MOSTLY IN THE 30S...THOUGH SOME UPPER 20S ARE
LIKELY ACROSS THE NORMALLY COLDER SPOTS ACROSS THE NORTH AND
WEST.

TEMPERATURES WILL MODERATE TUESDAY AFTERNOON THROUGH THURSDAY
AHEAD OF A SHORTWAVE AND COLD FRONT. THERE WILL BE A CHANCE OF SHOWERS
AND THUNDERSTORMS THURSDAY AND THURSDAY NIGHT WITH SOME LINGERING
SHOWERS POSSIBLE ACROSS THE EAST FRIDAY MORNING.

58

&&

.PRELIMINARY POINT TEMPS/POPS...
DALLAS-FT. WORTH, TX  50  57  34  63  43 /  40  10   5   0   5
WACO, TX              54  59  34  64  39 /  30  20   5   0   5
PARIS, TX             49  51  30  60  38 /  50  20  10   0   5
DENTON, TX            45  54  30  63  39 /  30  10   5   0   5
MCKINNEY, TX          48  55  31  62  38 /  50  10   5   0   5
DALLAS, TX            50  57  35  63  44 /  50  10   5   0   5
TERRELL, TX           52  56  32  62  38 /  50  20   5   0   5
CORSICANA, TX         54  56  34  62  40 /  50  20   5   0   5
TEMPLE, TX            55  60  35  64  38 /  30  20   5   0   5
MINERAL WELLS, TX     44  56  31  64  38 /  20  10   5   0   5

&&

.FWD WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 8 PM CDT THIS EVENING FOR TXZ091>093-100>104-
115>120-129>134-141>146-156>161-174-175.

&&

30/58
Hazardous weather outlook, Apr 13, 4:11 PM CDT, 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
411 PM CDT SUN APR 13 2014

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-141230-
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-
411 PM CDT SUN APR 13 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TONIGHT.
THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS
THROUGH TONIGHT. SOME OF THESE STORMS MAY BECOME SEVERE...
MAINLY NORTHWEST OF A BONHAM TO COMANCHE THIS EVENING. LARGE HAIL
AND DAMAGING WINDS ARE THE MOST LIKELY SEVERE WEATHER
HAZARDS...HOWEVER A FEW TORNADOES ARE ALSO POSSIBLE.

A WIND ADVISORY IS IN EFFECT THROUGH SUNSET FOR AREAS ALONG AND
WEST OF A LINE FROM SHERMAN TO CORSICANA TO HEARNE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
FROST IS POSSIBLE TUESDAY MORNING ACROSS ALL OF NORTH TEXAS. MAKE
PLANS TO PROTECT PLANTS.

A SLIGHT CHANCE OF THUNDERSTORMS RETURNS TO NORTH TEXAS THURSDAY
INTO THURSDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS POSSIBLE THIS EVENING ACROSS MUCH OF THE
AREA.

In the hours before

Special weather statement, Apr 13, 2:05 PM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
205 PM CDT SUN APR 13 2014

TXZ122-131930-
VAN ZANDT TX-
205 PM CDT SUN APR 13 2014

...SIGNIFICANT WEATHER ADVISORY FOR...
  VAN ZANDT COUNTY

AT 205 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 8 MILES SOUTHWEST OF CANTON...MOVING NORTHEAST AT
45 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE CANTON...EDGEWOOD...
FRUITVALE...GRAND SALINE...VAN AND PURTIS CREEK STATE PARK.

PEA-SIZED HAIL AND WIND GUSTS TO 40 MPH ARE POSSIBLE FROM THIS STORM.

LAT...LON 3237 9581 3235 9592 3236 9608 3253 9607
      3277 9584 3277 9576 3276 9576 3274 9570
      3271 9566 3272 9564 3270 9559 3254 9559
TIME...MOT...LOC 1905Z 234DEG 37KT 3249 9591
Special weather statement, Apr 13, 3:00 PM CDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
300 PM CDT SUN APR 13 2014

TXZ115-132030-
STEPHENS TX-
300 PM CDT SUN APR 13 2014

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHERN STEPHENS COUNTY

AT 259 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 15 MILES WEST OF BRECKENRIDGE...MOVING EAST AT 35
MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE CRYSTAL FALLS.

PENNY-SIZED HAIL AND WIND GUSTS TO 40 MPH ARE POSSIBLE FROM THIS
STORM.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
NORTH CENTRAL TEXAS.

LAT...LON 3293 9910 3294 9910 3297 9902 3296 9895
      3296 9894 3296 9875 3280 9871 3274 9910
      3292 9911
TIME...MOT...LOC 1959Z 254DEG 30KT 3283 9914
Local storm report, Apr 13, 4:54 PM CDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 3:01 AM CDTWind AdvisoryFWDBell, Bosque, Collin, Comanche, Cooke, Coryell and 28 more16 hr
Apr 13, 2:05 PM CDTSpecial Weather StatementFWDVan Zandt25 min
Apr 13, 3:00 PM CDTSpecial Weather StatementFWDStephens30 min
Apr 13, 3:11 PM CDTSevere Thunderstorm WarningFWDStephens64 min
Apr 13, 3:57 PM CDTSevere Thunderstorm WarningFWDEastland63 min
Apr 13, 4:38 PM CDTSevere Thunderstorm WarningFWDPalo Pinto52 min
Apr 13, 5:16 PM CDTSpecial Weather StatementFWDParker29 min
Apr 13, 5:40 PM CDTSevere Thunderstorm WarningFWDMills80 min
Apr 13, 5:57 PM CDTSevere Thunderstorm WarningFWDComanche, Erath63 min
Apr 13, 6:53 PM CDTSevere Thunderstorm WarningFWDLampasas, Mills67 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.