Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 122, NWS Lubbock, TX

September 24, 2014Briscoe County, Swisher County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Sep 24, 2014, 3:10 PM CDT for Briscoe County, Swisher County, Texas. It was in force for 50 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
Sep 24, 2014, 3:10 PM CDT (20:10 UTC)
Expired
Sep 24, 2014, 4:00 PM CDT
In force
50 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Briscoe County, TX, Swisher County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 20:09 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.2 hours before the alert went out and 81 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, Amarillo Airport, TX at 12:00Z on 2014-09-24Temperature 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, Amarillo Airport, TX at 12:00Z on 2014-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.1939Sfc1 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
-95 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
133 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 Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 24, 12:32 PM CDT, 2 hours 38 minutes earlier.

Area forecast discussion, Sep 24, 12:32 PM CDT, 2 hours 38 minutes before
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Hazardous weather outlook, Sep 24, 1:08 PM CDT, 2 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LUBBOCK TX
108 PM CDT WED SEP 24 2014

TXZ021>044-251815-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
108 PM CDT WED SEP 24 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS
PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

CONVECTIVE

A FEW STRONG OR BRIEFLY SEVERE THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON AND EARLY TONIGHT. THESE STORMS COULD HAVE HAIL UP TO
ONE INCH IN DIAMETER WITH LOCAL WIND GUSTS IN EXCESS OF 55 MPH.
THE THREAT IS HIGHEST ACROSS THE FAR SOUTHERN TEXAS PANHANDLE AND
NORTHWESTERN SOUTH PLAINS...MAINLY TO THE NORTH AND WEST OF A LINE
FROM MORTON TO SILVERTON.

FLOODING
SLOW-MOVING THUNDERSTORMS WITH HEAVY RAIN MAY RESULT IN MINOR
FLOODING OF STREAMS...DRAWS...AND OTHER LOW-LYING AREAS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
THE THREAT OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Sep 24, 2:34 PM CDT, 36 minutes before
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Special weather statement, Sep 24, 2:46 PM CDT, 24 minutes before
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Special weather statement, Sep 24, 3:01 PM CDT, 9 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 2:34 PM CDTSpecial Weather StatementLUBBriscoe11 min
Sep 24, 2:46 PM CDTSpecial Weather StatementLUBBriscoe14 min
Sep 24, 3:01 PM CDTSpecial Weather StatementLUBSwisher14 min
Sep 24, 3:17 PM CDTSpecial Weather StatementLUBCastro, Swisher28 min
Sep 24, 3:23 PM CDTAreal Flood AdvisoryLUBBriscoe, Castro, Swisher3 hr
Sep 24, 3:29 PM CDTSevere Thunderstorm WarningLUBBriscoe, Castro, Swisher31 min
Sep 24, 3:49 PM CDTSpecial Weather StatementLUBCastro, Parmer26 min
Sep 24, 3:58 PM CDTAreal Flood AdvisoryLUBParmer2 hr
Sep 24, 4:02 PM CDTSpecial Weather StatementLUBBriscoe, Swisher13 min
Sep 24, 4:14 PM CDTSpecial Weather StatementLUBCastro, Parmer31 min
Sep 24, 4:18 PM CDTSpecial Weather StatementLUBBriscoe, Swisher27 min
Sep 24, 4:42 PM CDTSpecial Weather StatementLUBBriscoe, Floyd, Motley33 min
Sep 24, 4:46 PM CDTSpecial Weather StatementLUBCastro, Hale, Lamb, Parmer, Swisher29 min
Sep 24, 5:11 PM CDTSpecial Weather StatementLUBFloyd, Motley34 min
Sep 24, 5:15 PM CDTSpecial Weather StatementLUBBailey, Hale, Lamb, Parmer30 min
Sep 24, 5:42 PM CDTSpecial Weather StatementLUBFloyd, Hale, Lubbock, Motley33 min
Sep 24, 5:47 PM CDTSpecial Weather StatementLUBBailey, Lamb28 min
Sep 24, 5:53 PM CDTSevere Thunderstorm WarningLUBHale, Lubbock22 min
Sep 24, 6:04 PM CDTSevere Thunderstorm WarningLUBHale, Hockley, Lamb, Lubbock26 min
Sep 24, 6:11 PM CDTSpecial Weather StatementLUBMotley34 min
Sep 24, 6:14 PM CDTSpecial Weather StatementLUBCochran31 min
Sep 24, 6:16 PM CDTAreal Flood AdvisoryLUBHockley, Lubbock74 min
Sep 24, 6:18 PM CDTSpecial Weather StatementLUBLubbock27 min
Sep 24, 6:28 PM CDTSpecial Weather StatementLUBHockley17 min
Sep 24, 6:40 PM CDTSpecial Weather StatementLUBCochran, Hockley35 min
Sep 24, 6:45 PM CDTSpecial Weather StatementLUBLubbock30 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.