Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 95, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at May 15, 2009, 2:57 PM CDT for 4 counties in Texas. It was in force for 33 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
- May 15, 2009, 2:57 PM CDT (19:57 UTC)
- Expired
- May 15, 2009, 3:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Lubbock, TX
- Area
- Storm-based polygon
Counties Cochran County, TX, Hockley County, TX, Terry County, TX, Yoakum County, TX
The radar
The Lubbock radar (KLBB), 77 km from the middle of the area, began a volume at 19:59 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 nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 8.0 hours before the alert went out and 164 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
- 576 J/kg
- Mixed-layer CIN
- -474 J/kg
- Mixed-layer LCL
- 1929 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 188 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 May 15, 1:04 PM CDT, 1 hour 53 minutes earlier.
Area forecast discussion, May 15, 1:04 PM CDT, 1 hour 53 minutes before
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</html>Hazardous weather outlook, May 15, 1:57 PM CDT, 1 hour before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LUBBOCK TX 157 PM CDT FRI MAY 15 2009 TXZ021>044-161900- PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE- FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING- YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL- 157 PM CDT FRI MAY 15 2009 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 SLIGHT RISK OF SEVERE THUNDERSTORMS FORMING ALONG THE DRYLINE ACROSS THE SOUTH PLAINS LATER THIS AFTERNOON AND EVENING. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY THREATS AS STRONG INSTABILITY IS EXPECTED. STORMS WILL INITIATE ACROSS THE WESTERN AND CENTRAL SOUTH PLAINS...MOVING EAST TOWARDS THE ROLLING PLAINS. FIRE WEATHER THUNDERSTORMS DEVELOPING WITHIN A VERY DRY AIRMASS OVER THE WESTERN SOUTH PLAINS WILL PRESENT A THREAT OF DRY LIGHTNING WHICH MAY IGNITE WILDFIRES THIS AFTERNOON AND EARLY THIS EVENING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A THREAT FOR SEVERE STORMS WILL PERSIST THROUGH MIDDAY SATURDAY IN THE WAKE OF A PASSING COLD FRONT. THE PRIMARY THREAT FROM THESE STORMS WILL BE HAIL UP TO ONE INCH IN DIAMETER. THESE STORMS MAY ADDITIONALLY PRODUCE LOCALLY HEAVY RAINFALL WHICH COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY OVER THE EXTREME SOUTHEASTERN PANHANDLE AND THE ROLLING PLAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATER THIS AFTERNOON.
In the hours before
Special weather statement, May 15, 2:09 PM CDT, 48 minutes before
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</html>Special weather statement, May 15, 2:22 PM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LUBBOCK TX 222 PM CDT FRI MAY 15 2009 TXZ033-034-039-040-151945- HOCKLEY TX-COCHRAN TX-TERRY TX-YOAKUM TX- 222 PM CDT FRI MAY 15 2009 ...STRONG THUNDERSTORMS ACROSS YOAKUM...TERRY...COCHRAN AND HOCKLEY COUNTIES... AT 218 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS FROM 10 MILES NORTHEAST OF PLAINS TO 10 MILES EAST OF LEVELLAND...DRIFTING NORTHEAST AT 15 MPH. GUSTY WINDS TO OVER 45 MPH WILL BE POSSIBLE NEAR THESE STORMS IN ADDITION TO HAIL UP TO DIME SIZE. DUE TO DRY GRASSES IN THE AREA AND LITTLE PRECIPITATION WITH THE STORMS...AN ADDITIONAL THREAT FOR A WILDFIRE START WILL EXIST WITH LIGHTNING STRIKES. LAT...LON 3373 10224 3336 10207 3313 10263 3347 10288 TIME...MOT...LOC 1920Z 229DEG 16KT 3337 10251
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 2:32 PM CDT | Severe Thunderstorm Warning | LUB | Hockley, Terry | 28 min |
| May 15, 2:36 PM CDT | Fire Weather Watch | LUB | Bailey, Cochran, Hockley, Lamb, Terry, Yoakum | 3 hr |
| May 15, 3:33 PM CDT | Severe Thunderstorm Warning | LUB | Cochran, Hockley, Terry, Yoakum | 22 min |
| May 15, 4:37 PM CDT | Severe Thunderstorm Warning | LUB | Hall | 38 min |
| May 15, 4:48 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe | 42 min |
| May 15, 5:09 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Hall | 66 min |
| May 15, 6:10 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Hall | 48 min |
| May 15, 6:35 PM CDT | Severe Thunderstorm Warning | LUB | Childress, Hall | 55 min |
| May 15, 6:45 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 23 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.