Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 47, NWS Lubbock, TX

April 13, 2007Childress County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 13, 2007, 7:00 AM CDT for Childress County, Texas. It was in force for 30 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 13, 2007, 7:00 AM CDT (12:00 UTC)
Expired
Apr 13, 2007, 7:30 AM CDT
In force
30 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

County Childress County, TX

The radar

The Altus AFB radar (KFDR), 114 km from the middle of the area, began a volume at 12:02 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 12, 11:46 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 0.0 hours before the alert went out and 157 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 2007-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2007-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 435 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
435 m²/s²
0-3 km storm-relative helicity
464 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 Apr 13, 3:54 AM CDT, 3 hours 6 minutes earlier.

Area forecast discussion, Apr 13, 3:54 AM CDT, 3 hours 6 minutes before
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Hazardous weather outlook, Apr 13, 5:27 AM CDT, 1 hour 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
527 AM CDT FRI APR 13 2007

TXZ021>044-141030-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
527 AM CDT FRI APR 13 2007

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

.DAY ONE...TODAY AND TONIGHT

CONVECTIVE

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE ENTIRE
OUTLOOK AREA THIS MORNING. THE PRIMARY RISK WITH THE THUNDERSTORMS
WILL BE LARGE HAIL. AS A POTENT STORM SYSTEM APPROACHES FROM THE
WEST...A SURFACE LOW WILL SLIDE EAST ACROSS THE SOUTH
PLAINS...BRINGING WITH IT THE RISK OF SEVERE THUNDERSTORMS. THE
THREAT FOR SEVERE THUNDERSTORMS MAY LINGER ACROSS ROLLING PLAINS
UNTIL MIDDAY OR SLIGHT THEREAFTER BEFORE MOVING EAST OF THE AREA
ENTIRELY.

NON PRECIPITATION

WESTERLY WINDS OF 25 TO 25 MPH WITH WIND GUSTS AS HIGH AS 55 MPH
WILL BE POSSIBLE ACROSS THE SOUTHERN SOUTH AND ROLLING PLAINS.
A WIND ADVISORY IS IN EFFECT FROM NOON TO 6 PM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

TEMPERATURES ACROSS THE EXTREME SOUTHERN PANHANDLE AND NORTHERN
SOUTH PLAINS WILL DROP ENOUGH TO PRODUCE A LIGHT FREEZE SUNDAY MORNING.

ANOTHER STORM SYSTEM WILL MOVE ACROSS WEST TEXAS ON MONDAY. THIS
SYSTEM WILL PRODUCE WESTERLY WINDS THAT MAY REACH ADVISORY OR
WARNING CRITERIA. RED FLAG CONDITIONS MAY ALSO BE MET IF GULF OF
MEXICO MOISTURE DOES NOT RETURN.

NO HAZARDOUS WEATHER IS ANTICIPATED FOR TUESDAY THROUGH THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVITY MAY BE REQUIRED THIS MORNING AND POSSIBLY INTO
THE EARLY AFTERNOON.

In the hours before

Local storm report, Apr 13, 1:08 AM CDT, 5 hours 52 minutes before
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Special weather statement, Apr 13, 1:43 AM CDT, 5 hours 17 minutes before
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Special weather statement, Apr 13, 2:44 AM CDT, 4 hours 16 minutes before
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Special weather statement, Apr 13, 5:00 AM CDT, 2 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
500 AM CDT FRI APR 13 2007

TXZ032-131030-
COTTLE TX-
500 AM CDT FRI APR 13 2007

...STRONG THUNDERSTORM ACROSS COTTLE COUNTY...

AT 455 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 2 MILES NORTHWEST OF PADUCAH...MOVING NORTHEAST
AT 35 MPH.

SMALL HAIL IS EXPECTED WITH THIS STORM. IF CAUGHT OUTSIDE...SEEK
SHELTER INDOORS. STAY AWAY FROM WINDOWS.
Local storm report, Apr 13, 5:38 AM CDT, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LUBBOCK TX
538 AM CDT FRI APR 13 2007

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0620 PM     HAIL             TULIA                   34.54N 101.77W
04/12/2007  E1.00 INCH       SWISHER            TX   STORM CHASER

            REPORT RELAYED BY WFO AMARILLO

0642 PM     HAIL             10 NE TULIA             34.64N 101.65W
04/12/2007  E1.00 INCH       SWISHER            TX   LAW ENFORCEMENT

0728 PM     HAIL             12 SE TULIA             34.41N 101.62W
04/12/2007  E0.75 INCH       SWISHER            TX   BROADCAST MEDIA

            KCBD REPORTED 3/4 INCH HAIL AT THE INTERSECTION OF
            HIGHWAY 86 AND FM 2301.

0950 PM     TSTM WND GST     2 WSW TURKEY            34.38N 100.93W
04/12/2007  M61 MPH          HALL               TX   MESONET

            TEXAS TECH UNIVERSITY WEST TEXAS MESONET

0959 PM     HAIL             FLOYDADA                33.98N 101.34W
04/12/2007  E0.75 INCH       FLOYD              TX   FIRE DEPT/RESCUE

            EVENT DURATION FROM 959P TO 1003P

0104 AM     HAIL             2 NE PLAINVIEW          34.21N 101.70W
04/13/2007  E0.88 INCH       HALE               TX   LAW ENFORCEMENT

            NICKEL SIZE HAIL FROM EASTERN SIDE OF PLAINVIEW TO SETH
            WARD

&&

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:01 PM CDTSevere Thunderstorm WarningLUBBriscoe, Swisher29 min
Apr 12, 9:09 PM CDTSevere Thunderstorm WarningLUBBriscoe51 min
Apr 12, 9:28 PM CDTSevere Thunderstorm WarningLUBFloyd, Hale32 min
Apr 12, 9:59 PM CDTSevere Thunderstorm WarningLUBHall31 min
Apr 12, 10:05 PM CDTSevere Thunderstorm WarningLUBFloyd40 min
Apr 12, 10:33 PM CDTSevere Thunderstorm WarningLUBMotley42 min
Apr 12, 11:16 PM CDTSevere Thunderstorm WarningLUBHall, Motley44 min
Apr 12, 11:43 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall47 min
Apr 13, 12:56 AM CDTSevere Thunderstorm WarningLUBHale34 min
Apr 13, 1:06 PM CDTSevere Thunderstorm WarningLUBStonewall24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning in 2007

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.