Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 31, NWS Lubbock, TX

May 5, 2008Castro County, Lamb County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 5, 2008, 9:05 PM CDT for Castro County, Lamb County, Texas. It was in force for 55 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
May 5, 2008, 9:05 PM CDT (02:05 UTC)
Expired
May 5, 2008, 10:00 PM CDT
In force
55 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon

Counties Castro County, TX, Lamb County, TX

The radar

The Lubbock radar (KLBB), 85 km from the middle of the area, began a volume at 02:06 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
May 5, 8:32 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.1 hours before the alert went out and 117 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 2008-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 816 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 2008-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.19395878Sfc1 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
816 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1763 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

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 May 5, 8:56 PM CDT, 9 minutes earlier.

Area forecast discussion, May 5, 8:56 PM CDT, 9 minutes before
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Hazardous weather outlook, May 5, 11:26 AM CDT, 9 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1126 AM CDT MON MAY 5 2008

TXZ021>044-061630-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
1126 AM CDT MON MAY 5 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

CONVECTIVE

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE SOUTH PLAINS
AND THE EXTREME SOUTHERN TEXAS PANHANDLE...MAINLY THE AREA ON THE
CAPROCK. AS THE LOW CLOUDS OVER EASTERN NEW MEXICO DISSIPATE...HEATING
AND DESTABILIZATION WILL OCCUR...WITH SCATTERED THUNDERSTORMS EXPECTED
TO DEVELOP THERE BY MID TO LATE AFTERNOON AND THEN TRACK EASTWARD INTO
THE WESTERN SOUTH PLAINS AND TEXAS PANHANDLE. WITH DEEP LAYER SHEAR
SUPPORTING THE DEVELOPMENT OF SUPERCELL THUNDERSTORMS...THE MAIN
THREAT WILL BE LARGE HAIL AND STRONG WINDS...HOWEVER AND AN ISOLATED
TORNADO CANNOT BE RULED OUT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS LATE TUESDAY
AFTERNOON THROUGH TUESDAY NIGHT FOR ALL OF THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATER THIS AFTERNOON AND
TONIGHT.

In the hours before

Special weather statement, May 5, 7:25 PM CDT, 1 hour 40 minutes before
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Special weather statement, May 5, 8:31 PM CDT, 34 minutes before
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Local storm report, May 5, 8:41 PM CDT, 24 minutes before
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Special weather statement, May 5, 8:56 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
May 5, 8:14 PM CDTSevere Thunderstorm WarningLUBBailey61 min
May 5, 8:34 PM CDTSevere Thunderstorm WarningLUBCastro56 min
May 5, 9:53 PM CDTSevere Thunderstorm WarningLUBCochran67 min
May 5, 11:00 PM CDTSevere Thunderstorm WarningLUBCochran, Hockley60 min
May 5, 11:59 PM CDTSevere Thunderstorm WarningLUBCochran, Hockley, Lubbock46 min
May 6, 12:39 AM CDTAreal Flood AdvisoryLUBHockley66 min
May 6, 2:16 AM CDTSevere Thunderstorm WarningLUBHale, Hockley, Lamb, Lubbock29 min
May 6, 5:42 PM CDTSevere Thunderstorm WarningLUBLynn, Terry33 min
May 6, 5:45 PM CDTSevere Thunderstorm WarningLUBBailey, Lamb45 min
May 6, 5:53 PM CDTSevere Thunderstorm WarningLUBLubbock52 min
May 6, 5:59 PM CDTSevere Thunderstorm WarningLUBLubbock, Lynn31 min
May 6, 6:01 PM CDTSevere Thunderstorm WarningLUBCastro, Lamb44 min
May 6, 6:16 PM CDTSevere Thunderstorm WarningLUBTerry29 min
May 6, 6:25 PM CDTSevere Thunderstorm WarningLUBLynn35 min
May 6, 6:32 PM CDTSevere Thunderstorm WarningLUBTerry28 min
May 6, 6:39 PM CDTSevere Thunderstorm WarningLUBCrosby, Lubbock36 min
May 6, 6:42 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock48 min
May 6, 6:47 PM CDTSevere Thunderstorm WarningLUBCrosby, Dickens43 min
May 6, 6:51 PM CDTSevere Thunderstorm WarningLUBCastro, Hale, Lamb, Swisher54 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

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.