Thunderstorm Wind, Gaines
- When
- August 20, 5:45 PM CST to 5:50 PM CST
- Where
- Gaines County, 1.5 mi NNE of Seminole
- Measured
- 52 kt (60 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 32.740, -102.640
Damaging Wind in Texas, August 20, 2009
Thunderstorms developed over the Permian basin during the early evening hours on this day. A weak mid level shortwave trough moving within the northerly flow aloft and upslope low level flow provided the lift for these thunderstorms to develop.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS MAF wrote it up.
Thunderstorms developed over the Permian basin during the early evening hours on this day. A weak mid level shortwave trough moving within the northerly flow aloft and upslope low level flow provided the lift for these thunderstorms to develop.
What forecasters said that day
The local office's own words before the first event, 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 the first event at Aug 20, 5:03 PM CST, 42 minutes earlier.
Area forecast discussion, Aug 20, 5:03 PM CST, 42 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 603 PM CDT THU AUG 20 2009 .DISCUSSION... SEE AVIATION DISCUSSION BELOW. && .AVIATION... LATEST SFC ANALYSIS SHOWS THE COLD FRONT EXTENDING FROM K4MR-KSPR- KFDR...WHILE AREA RADARS SHOW A LINE OF STRONG CONVECTION DEVELOPING ALONG A PREFRONTAL TROUGH IN SE NM AND THE WESTERN LOW ROLLING PLAINS. THIS WILL LEAVE A POSSIBILITY OF T-STROMS INVOF KHOB...KINK...AND KMAF DURING THE FIRST FEW HRS OF THE FCST PD. OTHERWISE...FRONT WILL VEER WINDS OVERNIGHT...TO E-SE SFC FLOW FRIDAY. FCST SOUNDINGS SUGGEST CONVECTIVE TEMPS WILL BE REACHED BY LATE MORNING/EARLY AFTERNOON ALL TERMINALS...W/A SCT CU FIELD W/BASES 6-8KFT AGL. && .MAF WATCHES/WARNINGS/ADVISORIES... NM...NONE. TX...NONE. && 44
Hazardous weather outlook, Aug 20, 12:33 PM CST, 5 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 133 PM CDT THU AUG 20 2009 NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075- 079>082-258-211000- 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 THU AUG 20 2009 /1233 PM MDT THU AUG 20 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST NEW MEXICO...SOUTHWEST TEXAS AND WEST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ARE EXPECTED MAINLY THIS EVENING. A FEW STORMS COULD BE STRONG PRODUCING GUSTY WINDS OVER 50 MPH AND LOCALLY HEAVY RAINFALL. IN ADDITION THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY WIDELY SCATTERED THUNDERSTORMS WILL BE POSSIBLE FRIDAY AND FRIDAY NIGHT FROM THE DAVIS MOUNTAINS...LOWER TRANS PECOS AND SOUTHWARD. SOME OF THESE STORMS COULD PRODUCE GUSTY WINDS AND BRIEF HEAVY RAINFALL. .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, Aug 20, 4:03 PM CST, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 503 PM CDT THU AUG 20 2009 NMZ033-034-TXZ050-202230- CENTRAL LEA COUNTY-SOUTHERN LEA COUNTY-ANDREWS- 503 PM CDT THU AUG 20 2009 ...SIGNIFICANT WEATHER ALERT... THIS SIGNIFICANT WEATHER ALERT IS FOR EAST CENTRAL LEA AND NORTHWESTERN ANDREWS COUNTIES. AT 402 PM MDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST OF EUNICE...SLOWLY MOVING WEST AT 5 MPH. WIND GUSTS NEAR 55 MPH...HAIL UP TO THE SIZE OF MARBLES...AND DEADLY CLOUD TO GROUND LIGHTNING ARE POSSIBLE WITH THIS STORM. PEOPLE IN EAST CENTRAL LEA AND NORTHWESTERN ANDREWS COUNTIES SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. SEEK SHELTER IF THUNDERSTORMS APPROACH YOUR AREA.
Special weather statement, Aug 20, 4:11 PM CST, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 511 PM CDT THU AUG 20 2009 TXZ045-050-202245- GAINES-ANDREWS- 511 PM CDT THU AUG 20 2009 ...SIGNIFICANT WEATHER ALERT... THIS SIGNIFICANT WEATHER ALERT IS FOR NORTH CENTRAL ANDREWS AND SOUTH CENTRAL GAINES COUNTIES. AT 509 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES NORTH OF FLOREY AT 509 PM CDT...MOVING SLOWLY TO WEST AT 5 MPH. WIND GUSTS NEAR 55 MPH...HAIL UP TO THE SIZE OF MARBLES...AND DEADLY CLOUD TO GROUND LIGHTNING ARE LIKELY WITH THIS STORM. PEOPLE IN NORTH CENTRAL ANDREWS AND SOUTH CENTRAL GAINES COUNTIES SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS.
Special weather statement, Aug 20, 4:57 PM CST, 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 557 PM CDT THU AUG 20 2009 TXZ046-047-051-052-202330- BORDEN-DAWSON-HOWARD-MARTIN- 557 PM CDT THU AUG 20 2009 ...SIGNIFICANT WEATHER ALERT... THIS SIGNIFICANT WEATHER ALERT IS FOR NORTHEASTERN MARTIN... NORTHWESTERN HOWARD...SOUTHEASTERN DAWSON AND SOUTHWESTERN BORDEN COUNTIES. AT 557 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES EAST OF SPARENBERG...MOVING WEST AT 5 MPH. WIND GUSTS NEAR 55 MPH...HAIL UP TO THE SIZE OF MARBLES...AND DEADLY CLOUD TO GROUND LIGHTNING ARE LIKELY WITH THIS STORM. PEOPLE IN NORTHEASTERN MARTIN...NORTHWESTERN HOWARD...SOUTHEASTERN DAWSON AND SOUTHWESTERN BORDEN COUNTIES SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. SEEK SHELTER IF THIS STORM IS NEAR YOUR LOCATION.
Special weather statement, Aug 20, 5:23 PM CST, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 623 PM CDT THU AUG 20 2009 TXZ047-210015- BORDEN- 623 PM CDT THU AUG 20 2009 ...SIGNIFICANT WEATHER ALERT... THIS SIGNIFICANT WEATHER ALERT IS FOR NORTH CENTRAL BORDEN COUNTY. A STRONG THUNDERSTORM WAS LOCATED OVER NORTHWESTERN BORDEN COUNTY AT 623 PM CDT...MOVING EAST AT 5 MPH. GUSTY WINDS... SMALL HAIL... HEAVY RAIN... AND DEADLY LIGHTNING ARE POSSIBLE.
Special weather statement, Aug 20, 5:29 PM CST, 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 629 PM CDT THU AUG 20 2009 TXZ045-210015- GAINES- 629 PM CDT THU AUG 20 2009 ...SIGNIFICANT WEATHER ALERT... THIS SIGNIFICANT WEATHER ALERT IS FOR CENTRAL GAINES COUNTY. A STRONG THUNDERSTORM WAS LOCATED 5 MILES NORTHEAST OF FAIRVIEW AT 629 PM CDT...MOVING NORTHWEST AT 10 MPH. GUSTY WINDS... SMALL HAIL... HEAVY RAIN... AND DEADLY LIGHTNING ARE POSSIBLE.
The radar
The Midland/Odessa radar (KMAF), 98 km away, was scanning. The volume nearest the first event began at 23:45 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flood and Hail in Texas, August 20 to 21, 2009
- Damaging Winds and Lightning Strikes in Georgia, August 20, 2009
- Lightning Strike in Florida, August 20, 2009
- Hail and Damaging Winds in Ohio, August 20, 2009
- Damaging Winds in Pennsylvania, August 20, 2009
- Damaging Winds in New York, August 20, 2009
- Flash Flooding and Hail in Mississippi, August 20 to 21, 2009
- Lightning Strikes in North Carolina, August 20, 2009
- Damaging Winds in Michigan, August 20, 2009
- Damaging Winds in West Virginia, August 20, 2009
- Flash Flooding and Flooding in Missouri, August 20, 2009
- Damaging Winds in Pennsylvania, August 20, 2009
More
Every storm in Texas in 2009Every state in 2009This day in weather historyWarnings in Texas, August 2009
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 194066.