Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 236, NWS Lubbock, TX

June 18, 2009Parmer County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 18, 2009, 6:02 PM CDT for Parmer County, Texas. It was in force for 28 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: Jun 18, 2009, 6:02 PM CDT (23:02 UTC)
Expired: Jun 18, 2009, 6:30 PM CDT
In force: 28 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon

County Parmer County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.0 hours before the alert went out and 292 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: 1961 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

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 Jun 18, 3:17 PM CDT, 2 hours 45 minutes earlier.

Area forecast discussion, Jun 18, 3:17 PM CDT, 2 hours 45 minutes before

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Hazardous weather outlook, Jun 18, 11:30 AM CDT, 6 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1130 AM CDT THU JUN 18 2009

TXZ021>044-191630-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
1130 AM CDT THU JUN 18 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

CONVECTIVE
A FEW STRONG OR SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON
AND EVENING OVER THE WESTERN SOUTH PLAINS AND EXTREME SOUTHWEST
TEXAS PANHANDLE. STORMS WILL BE CAPABLE OF BRIEF OUTFLOW WIND
GUSTS FROM 50 TO 60 MPH...ISOLATED LARGE HAIL...AND LOCALLY
INTENSE RAINFALL WITH EXCESSIVE STORM RUNOFF.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
A FEW STRONG TO POSSIBLY SEVERE STORMS WILL BE POSSIBLE FRIDAY AND
SATURDAY AFTERNOON WITH THE PRIMARY THREAT BEING HAIL...DAMAGING
WINDS...AND LOCALLY HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY OVER THE
WESTERN SOUTH PLAINS AND EXTREME SOUTHWEST TEXAS PANHANDLE.

In the hours before

Special weather statement, Jun 18, 5:56 PM CDT, 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
556 PM CDT THU JUN 18 2009

TXZ021-182330-
PARMER TX-
556 PM CDT THU JUN 18 2009

...STRONG THUNDERSTORM ACROSS PARMER COUNTY...

AT 554 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHWEST OF BOVINA...OR ABOUT 14 MILES
SOUTHWEST OF FRIONA...MOVING NORTH AT 25 MPH.

DIME SIZE HAIL AND BRIEF...STRONG WIND GUSTS IN EXCESS OF 50 MPH ARE
POSSIBLE NEAR THIS THUNDERSTORMS. MOVE TO A PLACE OF SAFETY IF
THREATENING WEATHER APPROACHES. STAY AWAY FROM WINDOWS.

STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY.
BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED.

LAT...LON 3431 10285 3432 10304 3475 10303 3476 10268
TIME...MOT...LOC 2255Z 200DEG 23KT 3456 10294

GS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:57 PM CDT	Severe Thunderstorm Warning	LUB	Castro, Lamb	63 min
Jun 17, 8:39 PM CDT	Severe Thunderstorm Warning	LUB	Castro	51 min
Jun 17, 9:24 PM CDT	Severe Thunderstorm Warning	LUB	Castro	66 min
Jun 17, 10:46 PM CDT	Severe Thunderstorm Warning	LUB	Castro	19 min

Nearby

Severe Thunderstorm Warnings in Texas, 2009 Every severe thunderstorm warning in 2009

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.