Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 240, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Jul 4, 2009, 6:23 PM CDT for Cottle County, King 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
- Jul 4, 2009, 6:23 PM CDT (23:23 UTC)
- Expired
- Jul 4, 2009, 6:47 PM CDT
- In force
- 24 min
- Issued by
- NWS Lubbock, TX
- Area
- Storm-based polygon
Counties Cottle County, TX, King County, TX
The radar
The Altus AFB radar (KFDR), 132 km from the middle of the area, began a volume at 23:26 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 |
|---|---|---|---|
| Jul 4, 3:07 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.4 hours before the alert went out and 278 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.
- Mixed-layer CAPE
- 598 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 1507 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 4, 6:19 PM CDT, 4 minutes earlier.
Area forecast discussion, Jul 4, 6:19 PM CDT, 4 minutes before
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</html>Hazardous weather outlook, Jul 4, 6:02 AM CDT, 12 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LUBBOCK TX 602 AM CDT SAT JUL 4 2009 TXZ021>044-051115- PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE- FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING- YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL- 602 AM CDT SAT JUL 4 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON ACROSS THE NORTHERN SOUTH PLAINS AND NORTHERN ROLLING PLAINS...WITH COVERAGE INCREASING OVER THE ENTIRE AREA TONIGHT. A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING GUSTY WINDS AND LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY CHANCES AND COVERAGE OF SHOWERS AND THUNDERSTORMS WILL CONTINUE SUNDAY THROUGH TUESDAY NIGHT...WITH THE LATE AFTERNOON THROUGH OVERNIGHT HOURS THE BEST TIME FOR STORMS TO MOVE ACROSS THE REGION. A FEW OF THESE STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... LIMITED SPOTTER ACTIVATION MAY BE REQUIRED SATURDAY THROUGH TUESDAY...MAINLY IN THE LATE AFTERNOON AND NIGHT TIME HOURS.
In the hours before
Special weather statement, Jul 4, 4:37 PM CDT, 1 hour 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
437 PM CDT SAT JUL 4 2009
TXZ041-042-042200-
GARZA TX-LYNN TX-
437 PM CDT SAT JUL 4 2009
...LINE OF STRONG THUNDERSTORMS ACROSS LYNN AND GARZA COUNTIES...
AT 436 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES SOUTHEAST
OF TAHOKA TO 19 MILES SOUTHWEST OF TAHOKA...MOVING EAST AT 5 MPH.
BRIEF...STRONG WIND GUSTS ARE POSSIBLE NEAR THUNDERSTORMS. MOVE TO A
PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. STAY AWAY FROM
WINDOWS.
HEAVY RAINFALL MAY RESULT IN LOCALIZED FLOODING OF LOW LYING AND POOR
DRAINAGE AREAS. AVOID NORMAL FLOOD-PRONE AREAS AND DO NOT CROSS
FLOODED ROADS AS THEY MAY BE WASHED OUT.
FREQUENT LIGHTNING IS EXPECTED WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS. TRY TO
UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM
APPROACHES.
LAT...LON 3295 10207 3296 10207 3301 10207 3329 10182
3329 10139 3295 10156 3295 10200
TIME...MOT...LOC 2136Z 255DEG 5KT 3311 10173 3297 10204Local storm report, Jul 4, 4:49 PM CDT, 1 hour 34 minutes before
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</html>Local storm report, Jul 4, 4:54 PM CDT, 1 hour 29 minutes before
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</html>Special weather statement, Jul 4, 5:04 PM CDT, 1 hour 19 minutes before
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</html>Special weather statement, Jul 4, 5:50 PM CDT, 33 minutes before
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</html>Local storm report, Jul 4, 6:20 PM CDT, 3 minutes before
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</html>The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 4:42 PM CDT | Severe Thunderstorm Warning | LUB | Castro | 33 min |
| Jul 4, 4:52 PM CDT | Areal Flood Advisory | LUB | Lynn | 53 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2009Every 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; radar from the NEXRAD Level II archive.