Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 48, NWS Lubbock, TX

April 13, 2007Stonewall County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 13, 2007, 1:06 PM CDT for Stonewall County, Texas. It was in force for 24 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, 1:06 PM CDT (18:06 UTC)
Expired
Apr 13, 2007, 1:30 PM CDT
In force
24 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

County Stonewall County, TX

The radar

The Dyess AFB radar (KDYX), 117 km from the middle of the area, began a volume at 18:07 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 13, 12:27 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 6.1 hours before the alert went out and 228 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, Midland Regional, TX at 12:00Z on 2007-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1836 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, Midland Regional, TX at 12:00Z on 2007-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
1836 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
808 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.2

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, 7:30 AM CDT, 5 hours 36 minutes earlier.

Area forecast discussion, Apr 13, 7:30 AM CDT, 5 hours 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LUBBOCK TX
730 AM CDT FRI APR 13 2007

.UPDATE...
UPDATED ZONE PACKAGE OUT REMOVING THE SVR TSTM WATCH BOX. STILL
SIGNIFICANT ENERGY MOVING TOWARDS WEST TEXAS FROM SOUTHERN ARIZONA
SO STILL CANT RULE OUT ANOTHER BOX LATER THIS MORNING FOR SOME
ADDITIONAL ELEVATED HAIL PRODUCING THUNDERSTORMS.

HAVE ALSO MADE SOME MODIFICATIONS TO HIGH TEMPERATURES FOR TODAY.
LOW CLOUDS LIKELY TO REMAIN IN PLACE AND EASTERLY UPSLOPE FLOW ACROSS
THE NORTHERN CWA SO HAVE DECREASED HIGHS FOR THIS AREA. STILL SOME
CONCERN ON HOW STRONG THE NORTHERLY WINDS WILL BE WHEN THE COLD
FRONT SWEEPS SOUTHWARD LATER THIS AFTERNOON INTO THIS EVENING IN
THE WAKE OF THE UPPER LEVEL LOW. LATER SHIFTS WILL NEED TO WATCH
THIS FAIRLY CLOSE.

&&

.PRELIMINARY POINT TEMPS/POPS...
FRIONA        45  30  58  32  68 /  60  20  10   0  10
TULIA         46  30  58  30  68 /  50  20  10   0   0
PLAINVIEW     51  31  58  36  68 /  40  20  10   0   0
LEVELLAND     62  33  59  39  70 /  20  10   0   0   0
LUBBOCK       61  32  59  38  69 /  30  10   0   0   0
BROWNFIELD    64  33  60  38  71 /  10  10   0   0   0
CHILDRESS     51  37  58  38  71 /  60  30  10   0   0
SPUR          69  35  60  37  72 /  30  10  10   0   0
ASPERMONT     75  38  59  36  73 /  40  20  10   0   0

&&

.LUB WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY FROM NOON TODAY TO 6 PM CDT THIS AFTERNOON FOR THE
FOLLOWING ZONES: TXZ033>044.

&&

23/18
Hazardous weather outlook, Apr 13, 11:32 AM CDT, 1 hour 34 minutes before
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In the hours before

Special weather statement, Apr 13, 11:41 AM CDT, 1 hour 25 minutes before
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Special weather statement, Apr 13, 11:59 AM CDT, 1 hour 7 minutes before
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Local storm report, Apr 13, 12:27 PM CDT, 39 minutes before
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Special weather statement, Apr 13, 12:33 PM CDT, 33 minutes before
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Special weather statement, Apr 13, 12:39 PM CDT, 27 minutes before
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Special weather statement, Apr 13, 1:03 PM CDT, 3 minutes before
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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, 7:00 AM CDTSevere Thunderstorm WarningLUBChildress30 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.