Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 158, NWS Fort Worth, TX

June 12, 2014Hamilton County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 12, 2014, 7:27 PM CDT for Hamilton County, Texas. It was in force for 41 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
Jun 12, 2014, 7:27 PM CDT (00:27 UTC)
Expired
Jun 12, 2014, 8:08 PM CDT
In force
41 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Hamilton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 123 km from the middle of the area, began a volume at 00:28 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
Jun 12, 4:06 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.5 hours before the alert went out and 147 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 2014-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1037 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 00:00Z on 2014-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
1037 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

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 Jun 12, 6:24 PM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, Jun 12, 6:24 PM CDT, 1 hour 3 minutes before
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Hazardous weather outlook, Jun 12, 2:54 PM CDT, 4 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
254 PM CDT THU JUN 12 2014

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-131215-
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-
254 PM CDT THU JUN 12 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THROUGH TONIGHT.

SCATTERED SEVERE THUNDERSTORMS ARE LIKELY THIS AFTERNOON AHEAD OF
AN APPROACHING COLD FRONT. THE MOST LIKELY AREA FOR SEVERE
WEATHER IS ALONG AND SOUTH OF A LINE FROM BRECKENRIDGE TO
MERIDIAN TO HILLSBORO TO PALESTINE. A HAIL THREAT WILL REMAIN
TODAY ACROSS THE AREA NORTH OF THAT LINE. THREATS THROUGH MID
EVENING INCLUDE VERY LARGE HAIL TO BASEBALL SIZE...DESTRUCTIVE
WINDS TO 70 MPH...AND A FEW TORNADOES ALONG AND SOUTH OF THE
BOUNDARY. STORMS ARE EXPECTED TO EVOLVE INTO A SQUALL LINE MOVING
SOUTHEAST BY MID EVENING AND BEYOND WITH A THREAT FOR DAMAGING
WINDS...LARGE HAIL...AND FREQUENT LIGHTNING. THUNDERSTORMS
CHANCES SHOULD END BY SUNRISE FRIDAY MORNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS FRIDAY SOUTH OF A LINE FROM
GOLDTHWAITE TO PALESTINE.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS LIKELY THROUGH MID EVENING...ESPECIALLY
SOUTH OF A LINE FROM BRECKENRIDGE TO HILLSBORO TO PALESTINE.

In the hours before

Special weather statement, Jun 12, 5:48 PM CDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
548 PM CDT THU JUN 12 2014

TXZ143-157-122315-
HAMILTON TX-CORYELL TX-
548 PM CDT THU JUN 12 2014

...SIGNIFICANT WEATHER ADVISORY FOR...
  WEST CENTRAL CORYELL COUNTY
  SOUTH CENTRAL HAMILTON COUNTY

AT 548 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 11 MILES SOUTH OF HAMILTON...MOVING SOUTHEAST AT
15 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE EVANT.

PEA-SIZED HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS
STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FRIDAY MORNING
FOR CENTRAL TEXAS.

LAT...LON 3168 9815 3145 9792 3134 9809 3136 9811
      3146 9818 3144 9822 3145 9822 3157 9832
TIME...MOT...LOC 2248Z 323DEG 11KT 3155 9817

AJS
Local storm report, Jun 12, 6:22 PM CDT, 1 hour 5 minutes before
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Local storm report, Jun 12, 6:32 PM CDT, 55 minutes before
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Local storm report, Jun 12, 6:45 PM CDT, 42 minutes before
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Local storm report, Jun 12, 7:06 PM CDT, 21 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:57 PM CDTSevere Thunderstorm WarningFWDLampasas33 min
Jun 12, 8:02 PM CDTSpecial Weather StatementFWDLampasas28 min
Jun 12, 8:03 PM CDTSpecial Weather StatementFWDBosque27 min
Jun 12, 8:07 PM CDTSevere Thunderstorm WarningFWDLampasas38 min
Jun 12, 8:23 PM CDTSevere Thunderstorm WarningFWDHamilton52 min
Jun 12, 9:08 PM CDTSpecial Weather StatementFWDHamilton22 min
Jun 12, 9:22 PM CDTSpecial Weather StatementFWDHamilton53 min
Jun 12, 10:00 PM CDTSevere Thunderstorm WarningFWDBosque, Hamilton45 min
Jun 12, 10:05 PM CDTSpecial Weather StatementFWDRobertson25 min
Jun 12, 10:24 PM CDTSevere Thunderstorm WarningFWDLeon, Robertson51 min
Jun 12, 10:26 PM CDTSpecial Weather StatementFWDCoryell34 min
Jun 12, 10:45 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton45 min
Jun 12, 10:47 PM CDTSevere Thunderstorm WarningFWDBosque58 min
Jun 12, 10:58 PM CDTSevere Thunderstorm WarningFWDCoryell, McLennan62 min
Jun 12, 11:04 PM CDTTornado WarningFWDRobertson22 min
Jun 12, 11:14 PM CDTSevere Thunderstorm WarningFWDLeon, Robertson44 min
Jun 12, 11:23 PM CDTAreal Flood AdvisoryFWDBosque, Coryell, McLennan3 hr
Jun 13, 12:07 AM CDTSpecial Weather StatementFWDBosque, Hill23 min
Jun 13, 12:17 AM CDTSpecial Weather StatementFWDLimestone28 min
Jun 13, 12:32 AM CDTAreal Flood AdvisoryFWDAnderson, Freestone, Limestone3 hr
Jun 13, 12:37 AM CDTSpecial Weather StatementFWDFalls, McLennan38 min
Jun 13, 1:14 AM CDTSpecial Weather StatementFWDEllis31 min
Jun 13, 1:18 AM CDTFlash Flood WarningFWDLimestone, McLennan117 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.