Strong non-thunderstorm gradient winds caused some damage to tree limbs in the south central Texas Panhandle during the early afternoon hours. There were no injuries or fatalities reported.
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The episode as NWS AMA wrote it up.
Strong non-thunderstorm gradient winds caused some damage to tree limbs in the south central Texas Panhandle during the early afternoon hours. There were no injuries or fatalities reported.
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 Amarillo, TX wrote its last area forecast discussion before the first event at Sep 7, 12:24 PM CST, 1 hour 6 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 124 PM CDT FRI SEP 7 2012 .UPDATE... QUICK UPDATE TO TRY TO BETTER HANDLE TEMPS BEHIND THE COLD FRONT THAT HAS SURGED SOUTH OF THE MAJORITY OF THE CWA AS OF 18Z. A FEW SHOWERS/STORMS CANNOT BE RULED OUT BEHIND THE FRONT THIS AFTERNOON... ESPECIALLY IN THE ERN CWA WHERE LATEST MESOANALYSIS INDICATES OVER 2000 J/KG MUCAPE. ELSEWHERE...IN THE NWRN PARTS OF THE PANHANDLES...A CLOUDY AND COOL DAY IS EXPECTED. A FEW SPRINKLES COULD BE NOTED AS A SHRTWV BEGINS TO AFFECT THE AREA AND HAVE INCLUDED THESE IN THE FCST FOR THE NWRN AREAS. UPDATED GRIDS/ZONES ARE OUT. SIMPSON && .PREV DISCUSSION... /ISSUED 1228 PM CDT FRI SEP 7 2012/ AVIATION...DISCUSSION FOR 18Z TAFS AN MVFR LOW CLOUD DECK WILL DOMINATE THE FIRST FEW HRS AT KGUY AND BE A SLIGHT HINDRANCE FOR THE NEXT HR AT KDHT. OTRW...VFR CONDS WILL BE EXPECTED WITH STRONG NNERLY WINDS THE MAIN STORY. GIVEN FCST SOUNDINGS AND A STILL TIGHT PRESSURE GRADIENT...HAVE EXTENDED GUSTY WINDS INTO THE FIRST PART OF THE OVERNIGHT HRS AT THE TAF SITES...BEFORE GUSTS SHOULD FINALLY DIE DOWN SOMETIME IN THE 03-08Z TIMEFRAME...FIRST AT KGUY AND LAST AT KAMA. SIMPSON PREV DISCUSSION... /ISSUED 628 AM CDT FRI SEP 7 2012/ AVIATION... FOR THE 12Z TAFS...VFR CONDITIONS SHOULD CONTINUE THROUGH THE TAF PERIOD. THERE IS A SLIGHT CHANCE OF TSRA AT KAMA BETWEEN 18 AND 06Z...THOUGH VERY UNCERTAIN IF STORMS WILL EVEN DEVELOP...SO WILL NOT MENTION IN THE TAF FOR NOW. COLD FRONT SHOULD BE ARRIVING AT KGUY NEAR 13Z...KDHT AROUND 1345Z...AND KAMA BETWEEN 1530 AND 16Z. WINDY CONDITIONS EXPECTED...WITH SUSTAINED WINDS OF 20 TO 30 KT AND GUSTS COULD GET CLOSE TO 40KT. HOWEVER...HAVE DECIDED NOT TO ISSUE AN AWW AS THE ONLY SITE BEHIND THE FRONT WHICH IS GUSTING AT OR ABOVE 40KT IS KPUB...AND WINDS THERE MAY BE ENHANCED BY THE BARRIER JET. HOWEVER...WE WILL MONITOR THIS CLOSELY AS WINDS SHOULD GET VERY CLOSE TO AWW THRESHOLDS. WINDS SHOULD DIMINISH WITH SUNSET THOUGH GENERALLY REMAIN NORTHERLY. JOHNSON PREV DISCUSSION... /ISSUED 311 AM CDT FRI SEP 7 2012/ DISCUSSION... THE STRONG COLD FRONT MOVING ACROSS NORTHERN KANSAS WEST AND SOUTHWEST INTO EASTERN AND SOUTHEASTERN COLORADO EARLY THIS MORNING WILL CONTINUE PUSHING QUICKLY SOUTH AND SOUTHEAST INTO THE OKLAHOMA PANHANDLE AND THE NORTHWEST SECTIONS OF THE TEXAS PANHANDLE BY 12Z TODAY...AND INTO THE CENTRAL SECTIONS OF THE FORECAST AREA BY 15Z TODAY...AND THEN OUT OF THE PANHANDLES BY 18Z TODAY. NORTHERLY WINDS BEHIND THE FRONT WILL INCREASE TO AROUND 20 TO 30 KNOTS WITH HIGHER GUSTS...BUT FEEL WIND SPEEDS WILL REMAIN BELOW WIND ADVISORY CRITERIA. CONVECTION MAY DEVELOP ACROSS THE SOUTHEAST TEXAS PANHANDLE DURING THE AFTERNOON WITH NORTHWEST FLOW ALOFT AND JUST BEHIND THE FRONTAL BOUNDARY MOVING OUT OF THE AREA. A SHORTWAVE TROUGH TRACKING SOUTHEAST OUT OF COLORADO AND THE FOUR CORNERS REGION THIS EVENING MAY ALLOW CONVECTION TO DEVELOP OR MOVE INTO THE SOUTHWEST SECTIONS OF THE TEXAS PANHANDLE PRIOR TO 06Z SATURDAY. OTHERWISE...SUBSIDENCE WILL PREVAIL ACROSS THE PANHANDLES AND ALLOW FOR DRY CONDITIONS THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK. A COOL 1020 TO 1025 MB SURFACE HIGH OVER THE PLAINS STATES WILL BUILD SOUTH INTO THE PANHANDLES BEHIND THE COLD FRONT THIS AFTERNOON THROUGH THE WEEKEND. UNSEASONABLY COOL CONDITIONS TODAY AND SATURDAY...THEN WARMING TREND SUNDAY INTO EARLY NEXT WEEK AS A SURFACE TROUGH DEVELOPS ALONG THE LEE OF THE ROCKIES. UPPER TROUGH TO APPROACH THE FORECAST AREA FROM THE GREAT BASIN REGION AND SOUTHWESTERN STATES BY THE MIDDLE OF NEXT WEEK. MEDIUM RANGE MODELS STILL FORECASTING PRECIP TUESDAY NIGHT...ACROSS THE NORTHWEST SECTIONS...AND INTO THE END OF NEXT WEEK ACROSS THE REMAINDER OF THE PANHANDLES. WILL INTRODUCE LOW END SLIGHT CHANCE POPS ACROSS THE NORTHWEST PANHANDLES TUESDAY NIGHT AND ACROSS THE REMAINDER OF THE FORECAST AREA WEDNESDAY NIGHT THROUGH THURSDAY NIGHT. ANOTHER STRONG COLD FRONT WILL PUSH INTO THE PANHANDLES WEDNESDAY NIGHT AND THURSDAY. SEASONABLY OR UNSEASONABLY COOL CONDITIONS DURING THE LATTER HALF OF NEXT WEEK ALONG WITH THE POSSIBILITY FOR CONVECTION. SCHNEIDER FIRE WEATHER... NO ELEVATED OR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THROUGH THE MIDDLE AND END OF NEXT WEEK. THE MINIMUM AFTERNOON RELATIVES WILL EITHER BE AT OR GREATER THAN 20 PERCENT...OR THE 20 FOOT WIND SPEEDS WILL REMAIN AT OR BELOW 15 TO 20 MPH ACROSS THE TEXAS AND OKLAHOMA PANHANDLES THROUGH NEXT WEEK. SCHNEIDER && .AMA WATCHES/WARNINGS/ADVISORIES... TX...NONE. OK...NONE. && 09/08
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 323 AM CDT FRI SEP 7 2012 OKZ001>003-TXZ001>020-072100- CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB- HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON- GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH- 323 AM CDT FRI SEP 7 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE...TODAY AND TONIGHT. A SLIGHT CHANCE FOR THUNDERSTORMS EXISTS ACROSS THE SOUTHERN AND EASTERN TEXAS PANHANDLE AND EASTERN OKLAHOMA PANHANDLE THIS AFTERNOON AND ACROSS THE WESTERN AND SOUTHERN TEXAS PANHANDLE THIS EVENING. SEVERE WEATHER IS NOT EXPECTED AT THIS TIME. CAUTION IS ADVISED ON AREA LAKES TODAY THROUGH EARLY THIS EVENING AS NORTHERLY WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS ARE EXPECTED. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS OVER THE OKLAHOMA AND THE NORTHWEST TEXAS PANHANDLES TUESDAY NIGHT...AND OVER ALL OF THE TEXAS AND OKLAHOMA PANHANDLES WEDNESDAY NIGHT AND THURSDAY. SEVERE WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. SCHNEIDER
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
The non-thunderstorm gradient winds downed large tree limbs and branches about seven miles southwest of Amarillo, Texas in Randall County. There were no injuries or fatalities reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2012Every state in 2012This day in weather historyWarnings in Texas, September 2012
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: 412237.