Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 243, NWS Lubbock, TX

November 16, 2015Swisher County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Nov 16, 2015, 8:07 PM CST for Swisher County, Texas. It was in force for 23 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
Nov 16, 2015, 8:07 PM CST (02:07 UTC)
Expired
Nov 16, 2015, 8:30 PM CST
In force
23 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon

County Swisher County, TX

The radar

The Amarillo radar (KAMA), 78 km from the middle of the area, began a volume at 02:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 16, 1:00 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.1 hours before the alert went out and 78 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 00:00Z on 2015-11-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 345 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 00:00Z on 2015-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 276 square meters per square second.1939587897117136Sfc1 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
345 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1692 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
276 m²/s²
0-3 km storm-relative helicity
280 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.3

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 Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 16, 5:36 PM CST, 2 hours 31 minutes earlier.

Area forecast discussion, Nov 16, 5:36 PM CST, 2 hours 31 minutes before
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Hazardous weather outlook, Nov 16, 4:50 PM CST, 3 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
450 PM CST MON NOV 16 2015

TXZ021>044-172300-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
450 PM CST MON NOV 16 2015

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

.DAY ONE...TONIGHT

SCATTERED THUNDERSTORMS WILL BECOME MORE NUMEROUS EARLY THIS
EVENING AS LIFT FROM A STRONG STORM SYSTEM INCREASES ACROSS THE
SOUTH PLAINS AREA. THUNDERSTORMS ARE MORE LIKELY TO BECOME SEVERE
ONCE THEY CROSS THE DRYLINE...WHICH AT 445 PM EXTENDED FROM AN
OLTON TO LEVELLAND LINE. EAST OF THE DRYLINE AND NORTH OF TEXAS
HIGHWAY 114 THERE IS A RISK OF SEVERE WEATHER. ISOLATED
TORNADOES...HAIL TO THE SIZE OF HALF DOLLARS...AND DAMAGING WIND
GUSTS ARE POSSIBLE. AS THE STORMS BECOME MORE NUMEROUS AND
ATTEMPT TO ORGANIZE INTO A LINE DAMAGING WIND GUSTS WILL BECOME
THE PRIMARY THREAT. A TORNADO WATCH IS IN EFFECT FOR MOST OF THE
SOUTH PLAINS AREA UNTIL 9 PM.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WEST TO NORTHWEST WINDS OF 25 TO 35 MPH ARE EXPECTED TO DEVELOP
TUESDAY. A WIND ADVISORY WILL LIKELY BE REQUIRED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING.

In the hours before

Local storm report, Nov 16, 7:24 PM CST, 43 minutes before
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Local storm report, Nov 16, 7:27 PM CST, 40 minutes before
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Local storm report, Nov 16, 7:33 PM CST, 34 minutes before
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Local storm report, Nov 16, 7:54 PM CST, 13 minutes before
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Local storm report, Nov 16, 8:04 PM CST, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 7:09 PM CSTAreal Flood AdvisoryLUBLubbock66 min
Nov 16, 7:16 PM CSTSevere Thunderstorm WarningLUBCrosby, Floyd, Hale, Lubbock29 min
Nov 16, 7:24 PM CSTAreal Flood AdvisoryLUBLynn, Terry66 min
Nov 16, 7:30 PM CSTSevere Thunderstorm WarningLUBSwisher15 min
Nov 16, 8:04 PM CSTSevere Thunderstorm WarningLUBCrosby, Garza, Lubbock, Lynn41 min
Nov 17, 4:15 AM CSTWind AdvisoryLUBBailey, Briscoe, Castro, Childress, Cochran, Cottle and 16 more14 hr

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.