Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 328, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 4, 2009, 5:55 PM CDT for Terrell County, Texas. It was in force for 65 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
- Oct 4, 2009, 5:55 PM CDT (22:55 UTC)
- Expired
- Oct 4, 2009, 7:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
County Terrell County, TX
The radar
The Midland/Odessa radar (KMAF), 191 km from the middle of the area, began a volume at 22:54 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
Del Rio, TX (KDRT), launched 12:00Z, 10.9 hours before the alert went out and 153 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
- 488 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 559 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.6
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 Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 4, 3:22 PM CDT, 2 hours 33 minutes earlier.
Area forecast discussion, Oct 4, 3:22 PM CDT, 2 hours 33 minutes before
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</html>Hazardous weather outlook, Oct 4, 1:33 PM CDT, 4 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 133 PM CDT SUN OCT 4 2009 NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075- 079>082-258-051845- GUADALUPE MOUNTAINS OF EDDY COUNTY-EDDY COUNTY PLAINS- NORTHERN LEA COUNTY-CENTRAL LEA COUNTY-SOUTHERN LEA COUNTY-GAINES- DAWSON-BORDEN-SCURRY-ANDREWS-MARTIN-HOWARD-MITCHELL- VAN HORN AND HIGHWAY 54 CORRIDOR-REEVES COUNTY AND UPPER TRANS PECOS- LOVING-WINKLER-ECTOR-MIDLAND-GLASSCOCK-WARD-CRANE-UPTON-REAGAN- DAVIS/APACHE MOUNTAINS AREA-PECOS-PRESIDIO VALLEY-MARFA PLATEAU- BIG BEND AREA-TERRELL-GUADALUPE MOUNTAINS- 133 PM CDT SUN OCT 4 2009 /1233 PM MDT SUN OCT 4 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST NEW MEXICO...SOUTHWEST TEXAS AND WEST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON...MAINLY OVER THE HIGHER TERRAIN OF WEST TEXAS. THE BETTER CHANCE OF THUNDERSTORMS TONIGHT WILL BE FURTHER EAST OVER THE PERMIAN BASIN... WESTERN LOW ROLLING PLAINS AND LOWER TRANS PECOS. WIDESPREAD SEVERE THUNDERSTORMS ARE NOT EXPECTED EITHER THIS AFTERNOON OR TONIGHT... HOWEVER A FEW STORMS COULD BECOME STRONG ENOUGH TO PRODUCE DAMAGING WINDS...HAIL...LOCALLY HEAVY RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE WILL BE A SLIGHT CHANCE OF THUNDERSTORMS OVER MOST OF SOUTHEAST NEW MEXICO AND WEST TEXAS MONDAY AFTERNOON...AND OVER THE PERMIAN BASIN...WESTERN LOW ROLLING PLAINS AND LOWER TRANS PECOS MONDAY NIGHT AND TUESDAY. SOME OF THE STORMS EACH OF THESE PERIODS COULD BE SEVERE WITH LARGE HAIL...DAMAGING WINDS AND LOCALLY HEAVY RAINFALL THE PRIMARY THREATS. THE CHANCE OF THUNDERSTORMS WILL INCREASE OVER THE REGION TUESDAY NIGHT AND WEDNESDAY AS A COLD FRONT MOVES SOUTH INTO THE AREA AND A STRONG UPPER LEVEL STORM SYSTEM APPROACHES THE AREA FROM THE WEST. MORE WIDESPREAD SEVERE THUNDERSTORMS WILL BE POSSIBLE THESE PERIODS WITH LARGE HAIL AND DAMAGING WINDS THE PRIMARY THREATS. HEAVY RAINFALL...LOCALIZED FLASH FLOODING AND FREQUENT CLOUD TO GROUND LIGHTNING WILL ALSO BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES... AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN MIDLAND CAN BE FOUND ON THE INTERNET AT /LOWER CASE/ HTTP://WEATHER.GOV/MIDLAND
In the hours before
Special weather statement, Oct 4, 5:27 PM CDT, 28 minutes before
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</html>The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 6:35 PM CDT | Severe Thunderstorm Warning | MAF | Terrell | 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.