Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 27, NWS Fort Worth, TX

April 16, 2015Van Zandt County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 16, 2015, 6:43 PM CDT for Van Zandt County, Texas. It was in force for 47 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 16, 2015, 6:43 PM CDT (23:43 UTC)
Expired
Apr 16, 2015, 7:30 PM CDT
In force
47 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

County Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 137 km from the middle of the area, began a volume at 23:43 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 16, 2:22 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 139 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 2015-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 521 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 2015-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
521 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
98 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 16, 6:19 PM CDT, 24 minutes earlier.

Area forecast discussion, Apr 16, 6:19 PM CDT, 24 minutes before
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Hazardous weather outlook, Apr 16, 10:28 AM CDT, 8 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1028 AM CDT THU APR 16 2015

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-171145-
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-
1028 AM CDT THU APR 16 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT.
THUNDERSTORMS ARE LIKELY THIS AFTERNOON AND EVENING ACROSS MUCH
OF NORTH TEXAS. SOME STORMS WILL BECOME SEVERE...WITH LARGE HAIL
AND DAMAGING WINDS. THE BEST POTENTIAL FOR SEVERE STORMS WILL BE
WEST OF A LINE FROM BOWIE TO DALLAS TO PALESTINE. THERE IS ALSO A
LOW-END TORNADO THREAT WEST OF THE INTERSTATE 35 CORRIDOR.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
THUNDERSTORM CHANCES WILL CONTINUE FRIDAY AND SATURDAY...BEFORE
TAPERING OFF ON SUNDAY. THE THREAT OF SEVERE STORMS WILL
CONTINUE...ESPECIALLY FRIDAY AFTERNOON AND EVENING. LOCALLY HEAVY
RAIN COULD RESULT IN SOME FLOODING ISSUES DURING THE PERIOD.

AFTER A STORM-FREE PERIOD SUNDAY NIGHT AND MONDAY...LOW
THUNDERSTORM CHANCES WILL RETURN MONDAY NIGHT AND CONTINUE THROUGH
AT LEAST WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED LATE THIS AFTERNOON AND
EVENING...PARTICULARLY WEST OF A LINE FROM BOWIE TO DALLAS TO
PALESTINE.

In the hours before

Special weather statement, Apr 16, 5:41 PM CDT, 1 hour 2 minutes before
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Special weather statement, Apr 16, 5:48 PM CDT, 55 minutes before
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Special weather statement, Apr 16, 6:04 PM CDT, 39 minutes before
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Special weather statement, Apr 16, 6:10 PM CDT, 33 minutes before
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Local storm report, Apr 16, 6:11 PM CDT, 32 minutes before
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Special weather statement, Apr 16, 6:17 PM CDT, 26 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 12:52 PM CDTSpecial Weather StatementFWDHamilton38 min
Apr 16, 1:20 PM CDTSpecial Weather StatementFWDLampasas55 min
Apr 16, 1:25 PM CDTSpecial Weather StatementFWDHamilton50 min
Apr 16, 1:37 PM CDTSpecial Weather StatementFWDLampasas38 min
Apr 16, 1:50 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton, Lampasas, Mills55 min
Apr 16, 2:12 PM CDTSpecial Weather StatementFWDPalo Pinto48 min
Apr 16, 2:15 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton60 min
Apr 16, 2:37 PM CDTSpecial Weather StatementFWDPalo Pinto38 min
Apr 16, 2:58 PM CDTSpecial Weather StatementFWDMcLennan62 min
Apr 16, 3:06 PM CDTSevere Thunderstorm WarningFWDPalo Pinto54 min
Apr 16, 3:36 PM CDTFlash Flood WarningFWDPalo Pinto114 min
Apr 16, 3:41 PM CDTSpecial Weather StatementFWDFalls, Hill, McLennan49 min
Apr 16, 3:44 PM CDTAreal Flood AdvisoryFWDMcLennan61 min
Apr 16, 3:52 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Parker40 min
Apr 16, 4:18 PM CDTSpecial Weather StatementFWDNavarro57 min
Apr 16, 4:43 PM CDTSpecial Weather StatementFWDLimestone47 min
Apr 16, 5:04 PM CDTSpecial Weather StatementFWDKaufman41 min
Apr 16, 5:14 PM CDTSpecial Weather StatementFWDFreestone46 min
Apr 16, 5:18 PM CDTAreal Flood AdvisoryFWDFreestone117 min
Apr 16, 5:19 PM CDTSpecial Weather StatementFWDHenderson56 min
Apr 16, 5:38 PM CDTSpecial Weather StatementFWDDelta37 min
Apr 16, 5:41 PM CDTSpecial Weather StatementFWDVan Zandt49 min
Apr 16, 5:48 PM CDTSpecial Weather StatementFWDAnderson42 min
Apr 16, 6:04 PM CDTSpecial Weather StatementFWDVan Zandt41 min
Apr 16, 6:09 PM CDTAreal Flood AdvisoryFWDAnderson, Henderson66 min
Apr 16, 6:10 PM CDTSpecial Weather StatementFWDHopkins50 min
Apr 16, 6:17 PM CDTSpecial Weather StatementFWDAnderson, Henderson43 min
Apr 16, 6:25 PM CDTAreal Flood AdvisoryFWDHopkins, Hunt65 min
Apr 16, 6:49 PM CDTAreal Flood AdvisoryFWDAnderson56 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015

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.