Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 29, NWS Lubbock, TX

March 28, 2007Lynn County, Terry County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Mar 28, 2007, 11:47 PM CDT for Lynn County, Terry County, Texas. It was in force for 43 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: Mar 28, 2007, 11:47 PM CDT (04:47 UTC)
Expired: Mar 29, 2007, 12:30 AM CDT
In force: 43 min
Issued by: NWS Lubbock, TX
Area: Counties, with a storm outline in the text

Counties Lynn County, TX, Terry County, TX

The radar

The Lubbock radar (KLBB), 58 km from the middle of the area, began a volume at 04:50 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
Mar 28, 11:22 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 4.8 hours before the alert went out and 137 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: 2254 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 1208 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.3

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 Mar 28, 8:16 PM CDT, 3 hours 31 minutes earlier.

Area forecast discussion, Mar 28, 8:16 PM CDT, 3 hours 31 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE LUBBOCK TX
816 PM CDT WED MAR 28 2007

.UPDATE...
SUPERCELLS HAVE MOVED NORTH INTO THE CENTRAL PANHANDLE...WITH NEW
CONVECTIVE DEVELOPMENT ACROSS THE WESTERN SOUTH PLAINS FROM
MORTON TO NEAR TATUM AND LOVINGTON. THIS ACTIVITY WILL LIKELY
CONTINUE TO FILL IN ALONG CONVERGENT TROUGH AXIS. WINDS HAVE
BACKED IN THE MOIST AIR OVER MOST OF THE SOUTH PLAINS WITH 60
DEG DEWPOINTS AS FAR WEST AS BROWNFIELD AND LEVELLAND.

PACIFIC COLD FRONT MOVING ACROSS EASTERN NEW MEXICO WILL
EVENTUALLY INTERCEPT THE SFC TROUGH/DRYLINE WITH DISCRETE STORMS
MERGING/DEVELOPING INTO SQUALL LINE WHICH IS EXPECTED TO MOVE
EAST ACROSS THE SOUTH PLAINS IN THE 02-06Z TIME FRAME...AND ACROSS
THE ROLLING PLAINS AND SE PANHANDLE THEREAFTER. WILL CONTINUE TO
SEE SEVERE THREAT PAST MIDNIGHT WITH CONTINUED THREAT OF
HAIL...WIND AND ISOLATED TORNADOES.

&&

.PRELIMINARY POINT TEMPS/POPS...
FRIONA        39  65  38  61  36 /  20   0  10  10  20
TULIA         46  68  39  63  38 /  50  10  10  20  20
PLAINVIEW     47  69  40  63  40 /  50  10  10  20  20
LEVELLAND     46  68  40  67  41 /  30  10  10  20  10
LUBBOCK       48  70  42  68  41 /  50  10  10  20  10
BROWNFIELD    46  71  41  67  42 /  30  10  10  20  10
CHILDRESS     55  73  51  69  45 /  70  30  20  40  20
SPUR          55  72  45  67  44 /  60  20  20  40  10
ASPERMONT     59  71  49  67  47 /  70  40  30  40  10

&&

.LUB WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

JJ/06

Hazardous weather outlook, Mar 28, 11:43 AM CDT, 12 hours 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1143 AM CDT WED MAR 28 2007

TXZ021>044-291645-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
1143 AM CDT WED MAR 28 2007

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 MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AND TONIGHT OVER MUCH OF THE SOUTHERN PANHANDLE...SOUTH
PLAINS AND ROLLING PLAINS. SEVERE THUNDERSTORMS ARE EXPECTED TO
DEVELOP ALONG A DRYLINE THIS AFTERNOON JUST EAST OF THE NEW MEXICO
STATE LINE. ATMOSPHERIC CONDITIONS WILL INITIALLY BE FAVORABLE FOR
SUPERCELL THUNDERSTORMS...WITH A THREAT OF LARGE HAIL...DAMAGING
WINDS...AND ISOLATED TORNADOES. A FEW STRONG TORNADOES MAY BE
POSSIBLE OVER THE ROLLING PLAINS AND THE EXTREME SOUTHEASTERN
TEXAS PANHANDLE AS THE STORMS ENCOUNTER DEEPER MOISTURE.

THE THUNDERSTORMS ARE EXPECTED TO EVOLVE INTO A LARGE COMPLEX
THROUGH THE EVENING AND SLOWLY MOVE EAST. THE PRIMARY THREAT WILL
TRANSITION TO DAMAGING WINDS AND LARGE HAIL.

FLOODING

HEAVY RAINFALL WILL LIKELY ACCOMPANY THUNDERSTORMS THAT DEVELOP
THIS EVENING. LOCALIZED FLASH FLOODING WILL BE POSSIBLE ACROSS THE
SOUTHEAST TEXAS PANHANDLE AND ROLLING PLAINS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

ADDITIONAL THUNDERSTORMS MAY AFFECT THE EASTERN PORTIONS OF THE
AREA ON FRIDAY. THE THREAT FOR DAMAGING WINDS AND LOCALLY HEAVY
RAINFALL WILL BE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE REQUIRED LATER THIS AFTERNOON
THROUGH THIS EVENING.

In the hours before

Local storm report, Mar 28, 11:12 PM CDT, 35 minutes before

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Local storm report, Mar 28, 11:22 PM CDT, 25 minutes before

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Local storm report, Mar 28, 11:27 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1127 PM CDT WED MAR 28 2007

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

1127 PM     HAIL             LUBBOCK                 33.58N 101.86W
03/28/2007  M1.00 INCH       LUBBOCK            TX   NWS EMPLOYEE

            QUARTER SIZED HAIL COVERING THE GROUND AT 82ND AND
            QUAKER

&&

GE

Local storm report, Mar 28, 11:34 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1134 PM CDT WED MAR 28 2007

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

1134 PM     HAIL             LUBBOCK                 33.58N 101.86W
03/28/2007  E0.88 INCH       LUBBOCK            TX   PUBLIC

            NICKEL SIZE HAIL COVERED THE GROUND LOCATED AT 77TH
            STREET AND AVE W

&&

FB

Local storm report, Mar 28, 11:41 PM CDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1141 PM CDT WED MAR 28 2007

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

1128 PM     HAIL             LUBBOCK                 33.58N 101.86W
03/28/2007  E1.00 INCH       LUBBOCK            TX   BROADCAST MEDIA

            QUARTER SIZE HAIL REPORTED AT FOX 34 FROM
            1128PM-1135PM.

&&

FB

Local storm report, Mar 28, 11:42 PM CDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1142 PM CDT WED MAR 28 2007

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

1120 PM     HAIL             LUBBOCK                 33.58N 101.86W
03/28/2007  E0.88 INCH       LUBBOCK            TX   NWS EMPLOYEE

            NICKEL SIZE HAIL COVERED THE GROUND AT 12TH STREET AND
            CHICAGO.

&&

FB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 8:23 PM CDT	Severe Thunderstorm Warning	LUB	Bailey	67 min
Mar 28, 8:36 PM CDT	Severe Thunderstorm Warning	LUB	Lamb	54 min
Mar 28, 8:41 PM CDT	Severe Thunderstorm Warning	LUB	Cochran, Yoakum	64 min
Mar 28, 9:00 PM CDT	Severe Thunderstorm Warning	LUB	Castro, Parmer	60 min
Mar 28, 9:30 PM CDT	Severe Thunderstorm Warning	LUB	Bailey, Lamb	60 min
Mar 28, 9:49 PM CDT	Severe Thunderstorm Warning	LUB	Cochran, Hockley, Terry, Yoakum	56 min
Mar 28, 10:00 PM CDT	Severe Thunderstorm Warning	LUB	Castro	30 min
Mar 28, 10:21 PM CDT	Severe Thunderstorm Warning	LUB	Hale, Swisher	54 min
Mar 28, 10:30 PM CDT	Severe Thunderstorm Warning	LUB	Lamb	45 min
Mar 28, 10:40 PM CDT	Severe Thunderstorm Warning	LUB	Hockley, Lubbock, Lynn, Terry	65 min
Mar 28, 11:15 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Floyd, Hale, Swisher	60 min
Mar 29, 12:05 AM CDT	Severe Thunderstorm Warning	LUB	Crosby, Lubbock	25 min
Mar 29, 12:16 AM CDT	Flash Flood Warning	LUB	Crosby	119 min
Mar 29, 12:30 AM CDT	Severe Thunderstorm Warning	LUB	Garza, Lynn	45 min
Mar 29, 12:37 AM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall	38 min
Mar 29, 1:01 AM CDT	Severe Thunderstorm Warning	LUB	Motley	44 min
Mar 29, 1:15 AM CDT	Severe Thunderstorm Warning	LUB	Garza, Lynn	45 min
Mar 29, 1:15 AM CDT	Severe Thunderstorm Warning	LUB	Hall	45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007 Every 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.