Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 12, NWS Lubbock, TX

April 9, 2008King County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 9, 2008, 10:49 PM CDT for King County, Texas. It was in force for 41 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 9, 2008, 10:49 PM CDT (03:49 UTC)
Expired: Apr 9, 2008, 11:30 PM CDT
In force: 41 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon

County King County, TX

The radar

The Altus AFB radar (KFDR), 144 km from the middle of the area, began a volume at 03:49 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.

Issued	Product	Office	Lasted
Apr 9, 6:55 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 3.8 hours before the alert went out and 223 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 858 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 135 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 Apr 9, 9:04 PM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Apr 9, 9:04 PM CDT, 1 hour 45 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LUBBOCK TX
904 PM CDT WED APR 9 2008

.UPDATE...
IMPRESSIVE WARM ADVECTION OVER THE SOUTH PLAINS REGION AS THE
UPPER LEVEL TROUGH MOVES TOWARDS THE REGION. THUNDERSTORMS HAVE
INCREASED IN COVERAGE AND HAVE INCREASED POPS FOR TONIGHT. MAIN
CONCERN CONTINUES TO BE ELEVATED SUPERCELLS WITH SOME HAIL IN THE
PENNY TO QUARTER RANGE.

&&

.PRELIMINARY POINT TEMPS/POPS...
FRIONA        40  63  34  60  31 /  70  10  10  10   0
TULIA         42  65  37  60  31 /  80  10  10  10   0
PLAINVIEW     44  67  37  61  32 /  80  10  10  10   0
LEVELLAND     47  70  35  65  34 /  70  10  10  10   0
LUBBOCK       49  70  37  64  35 /  80  10  10  10   0
BROWNFIELD    48  73  37  68  35 /  70  10  10   0   0
CHILDRESS     51  72  42  64  39 / 100  10  10  10   0
SPUR          51  72  40  66  37 /  90  10  10  10   0
ASPERMONT     55  77  41  70  41 /  90  10  10  10   0

&&

.LUB WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
EVENING FOR THE FOLLOWING ZONES: TXZ033>044.

HIGH WIND WATCH FROM THURSDAY MORNING THROUGH THURSDAY EVENING
FOR THE FOLLOWING ZONES: TXZ021>044.

&&

18/99

Hazardous weather outlook, Apr 9, 6:12 PM CDT, 4 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
612 PM CDT WED APR 9 2008

TXZ021>044-102315-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
612 PM CDT WED APR 9 2008

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

.DAY ONE...TONIGHT

CONVECTIVE

A WARM FRONT CONTINUES TO HOLD IN PLACE FROM EASTERN NEW MEXICO
NEAR TATUM SOUTHWARD TO NEAR MIDLAND THEN NORTHEAST TO ABILENE.
THUNDERSTORMS WILL DEVELOP NEAR THIS BOUNDARY THROUGH THE EVENING
AS AN UPPER LEVEL STORM SYSTEM APPROACHES. ALTHOUGH SURFACE
CONDITIONS ACROSS THE SOUTH PLAINS REMAIN COOL AND STABLE THERE IS
STILL ENOUGH INSTABILITY MOVING OVER THE WARM FRONT AND ABOVE THE
COOL SURFACE AIR TO SUPPORT ELEVATED SUPERCELL THUNDERSTORMS.

SCATTERED STORMS ACROSS THE WESTERN SOUTH PLAINS WILL SPREAD EAST
THROUGH THE EVENING WITH COVERAGE INCREASING WITH TIME. THE BEST
POTENTIAL FOR WIDESPREAD SEVERE WEATHER APPEARS TO BE EAST OF
INTERSTATE 27 DURING THE LATE EVENING AND OVERNIGHT HOURS. IN
ADDITION...STRONG TO SEVERE STORMS DEVELOPING NEAR THE DRYLINE AND
WARM FRONT INTERSECTION ACROSS THE PERMIAN BASIN WILL ALSO MOVE
NORTH AND COULD IMPACT THE WESTERN ROLLING PLAINS. THE PRIMARY
THREAT FROM ANY OF THESE STORMS WILL BE LARGE HAIL BUT ISOLATED
DAMAGING WIND GUSTS ARE POSSIBLE ESPECIALLY ACROSS THE WESTERN
SOUTH PLAINS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED OVER MUCH OF THE
SOUTH PLAINS AND SOUTHERN LOW ROLLING PLAINS ON THURSDAY AS STRONG
WEST WINDS AND LOW RELATIVE HUMIDITIES SPREAD ACROSS THE REGION. A FIRE
WEATHER WATCH IS IN EFFECT FROM MID THURSDAY MORNING THROUGH THE
AFTERNOON. IN ADDITION...WIND SPEEDS ACROSS PORTIONS OF THE AREA
MAY APPROACH OR EXCEED SUSTAINED SPEEDS OF 40 MPH...WITH BLOWING
DUST.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE THROUGH THIS EVENING AND INTO EARLY
THURSDAY MORNING ACROSS THE SOUTH PLAINS...SOUTHERN PANHANDLE AND
ROLLING PLAINS.

In the hours before

Local storm report, Apr 9, 9:39 PM CDT, 1 hour 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
939 PM CDT WED APR 09 2008

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

0934 PM     HAIL             SLATON                  33.44N 101.64W
04/09/2008  E1.50 INCH       LUBBOCK            TX   PUBLIC

&&

Local storm report, Apr 9, 9:42 PM CDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
942 PM CDT WED APR 09 2008

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

0941 PM     HAIL             RALLS                   33.68N 101.38W
04/09/2008  E1.00 INCH       CROSBY             TX   LAW ENFORCEMENT

&&

JLIPE

Local storm report, Apr 9, 10:05 PM CDT, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1005 PM CDT WED APR 09 2008

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

1000 PM     HAIL             1 N PADUCAH             34.03N 100.30W
04/09/2008  E1.75 INCH       COTTLE             TX   FIRE DEPT/RESCUE

&&

JLIPE

Local storm report, Apr 9, 10:09 PM CDT, 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1009 PM CDT WED APR 09 2008

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

1003 PM     HAIL             RALLS                   33.68N 101.38W
04/09/2008  E1.00 INCH       CROSBY             TX   TRAINED SPOTTER

            HAIL RANGING FROM PENNIES TO QUARTERS

&&

JLIPE

Local storm report, Apr 9, 10:25 PM CDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1025 PM CDT WED APR 09 2008

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

1020 PM     HAIL             2 W JAYTON              33.25N 100.61W
04/09/2008  E0.88 INCH       KENT               TX   LAW ENFORCEMENT

            TWO REPORTS OF HAIL UP TO NICKELS WEST AND NORTHWEST OF
            TOWN

&&

JLIPE

Local storm report, Apr 9, 10:40 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 8:27 PM CDT	Severe Thunderstorm Warning	LUB	Cottle	33 min
Apr 9, 8:59 PM CDT	Severe Thunderstorm Warning	LUB	Childress	31 min
Apr 9, 9:34 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Lubbock	41 min
Apr 9, 9:49 PM CDT	Severe Thunderstorm Warning	LUB	Dickens, Motley	56 min
Apr 9, 9:56 PM CDT	Severe Thunderstorm Warning	LUB	Kent	49 min
Apr 9, 10:08 PM CDT	Severe Thunderstorm Warning	LUB	Cottle	67 min
Apr 9, 10:26 PM CDT	Severe Thunderstorm Warning	LUB	Stonewall	64 min
Apr 10, 3:36 AM CDT	Blowing Dust Advisory	LUB	Bailey, Briscoe, Castro, Cochran, Floyd, Garza and 9 more	15 hr
Apr 10, 3:36 AM CDT	High Wind Warning	LUB	Bailey, Briscoe, Castro, Childress, Cochran, Cottle and 18 more	15 hr
Apr 10, 5:49 AM CDT	Red Flag Warning	LUB	Bailey, Briscoe, Castro, Cochran, Crosby, Floyd and 11 more	15 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every 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.