Severe thunderstorms moved across the northern Texas Panhandle during the afternoon hours producing hail and thunderstorm wind gusts. The thunderstorm wind gusts did result in damages, however there were no injuries or fatalities.
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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.
The episode as NWS AMA wrote it up.
Severe thunderstorms moved across the northern Texas Panhandle during the afternoon hours producing hail and thunderstorm wind gusts. The thunderstorm wind gusts did result in damages, however there were no injuries or fatalities.
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 Aug 12, 1:09 PM CST, 1 hour 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 209 PM CDT FRI AUG 12 2011 .DISCUSSION... A COLD FRONT WAS LOCATED EARLY THIS AFTERNOON ACROSS SOUTHWESTERN KS THROUGH THE WESTERN THIRD OF THE OK PANHANDLE AND THEN INTO THE NORTHEASTERN PLAINS OF NM. UPPER HIGH OVER THE SOUTHERN ROCKIES WITH A SHORTWAVE TROUGH PUSHING SOUTHEAST INTO THE FORECAST AREA. EXPECTING CONVECTION TO DEVELOP THIS AFTERNOON IN RESPONSE TO THE UPPER TROUGH...FRONTAL BOUNDARY...AND DIURNAL HEATING. 12Z AMA SOUNDING TODAY ALREADY SHOWING PWATS SLIGHTLY ABOVE AN INCH AND A QUARTER ALONG WITH LI/S AROUND -6 AND CAPES OF AROUND 2400-2500 JOULES. DECIDED TO INTRODUCE SEVERE THUNDERSTORM WORDING BETWEEN 00Z AND 06Z SATURDAY IN THE GRIDS AND TWEAKED POPS SLIGHTLY AFTER 06Z SATURDAY. FRONTAL BOUNDARY TO REMAIN QUASI-STATIONARY MAINLY ACROSS THE SOUTHERN TX PANHANDLE TONIGHT AND SATURDAY...AND THEN LIFTING NORTHEAST A BIT BY SUNDAY. RETAINED PREVIOUS POPS FOR MAINLY THE AFTERNOON AND NIGHTTIME HOURS THROUGH MONDAY. LEFT FORECAST DRY FROM TUESDAY THROUGH WEDNESDAY...AND THEN INTRODUCED SLIGHT CHANCE POPS FOR THE NORTHEAST PANHANDLES WEDNESDAY NIGHT AS SHORTWAVE ENERGY BRUSHES THE NORTHEAST SECTIONS OF THE FORECAST AREA AND COLD FRONT DROPS SOUTHWARD INTO THE OK AND NORTHERN TX PANHANDLES. OTHERWISE...DRY CONDITIONS EXPECTED FOR THE MIDDLE AND LATER PART OF NEXT WEEK. MAX TEMPS SHOULD HOLD MAINLY IN THE LOWER TO MIDDLE 90S THROUGH THE FORECAST PERIOD. SCHNEIDER && .FIRE WEATHER... ELEVATED OR CRITICAL FIRE WEATHER CONDITIONS ARE NOT EXPECTED THROUGH LATE NEXT WEEK. HOWEVER...CLOUD TO GROUND LIGHTNING STRIKES FROM ISOLATED TO SCATTERED THUNDERSTORMS MAY POSE A THREAT FOR WILDFIRE STARTS. SCHNEIDER && .PRELIMINARY POINT TEMPS/POPS... AMARILLO TX 66 91 67 91 67 / 30 20 30 20 20 BEAVER OK 65 93 68 95 69 / 30 20 30 20 30 BOISE CITY OK 62 91 65 91 66 / 30 20 30 20 30 BORGER TX 70 95 72 94 72 / 30 20 30 20 30 BOYS RANCH TX 66 92 67 92 68 / 30 20 30 20 30 CANYON TX 66 91 66 91 65 / 40 20 30 20 20 CLARENDON TX 70 95 70 94 69 / 40 20 30 20 20 DALHART TX 64 93 65 92 65 / 30 20 30 20 30 GUYMON OK 66 93 67 95 70 / 30 20 30 20 30 HEREFORD TX 64 92 66 92 64 / 40 20 30 20 20 LIPSCOMB TX 68 93 69 94 71 / 30 20 30 20 30 PAMPA TX 68 93 69 92 69 / 30 20 30 20 20 SHAMROCK TX 72 97 71 95 73 / 30 20 30 20 20 WELLINGTON TX 73 98 72 96 73 / 40 20 30 20 20 && .AMA WATCHES/WARNINGS/ADVISORIES... TX...NONE. OK...NONE. && 15/11
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 324 PM CDT FRI AUG 12 2011 OKZ001>003-TXZ001>020-130830- CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB- HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON- GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH- 324 PM CDT FRI AUG 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE...TONIGHT. THUNDERSTORMS ARE POSSIBLE ACROSS THE TEXAS AND OKLAHOMA PANHANDLES THROUGH TONIGHT. A FEW STORMS MAY BE SEVERE WITH DAMAGING WINDS AND HAIL THE MAIN HAZARDS. LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THUNDERSTORMS WILL BE POSSIBLE ACROSS THE TEXAS AND OKLAHOMA PANHANDLES THROUGH MONDAY NIGHT. THUNDERSTORMS WILL THEN AGAIN BE POSSIBLE ACROSS THE OKLAHOMA PANHANDLE AND THE NORTHEAST TEXAS PANHANDLE WEDNESDAY NIGHT. SOME STORMS MAY BECOME STRONG...WITH GUSTY WINDS TO AROUND 50 MPH BEING THE PRIMARY HAZARD ALONG WITH LOCALLY HEAVY RAIN. .SPOTTER INFORMATION STATEMENT... SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE TEXAS AND OKLAHOMA PANHANDLES SHOULD REMAIN ALERT AND BE READY FOR POSSIBLE LIMITED ACTIVATION THROUGH TONIGHT. GOEHRING
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 337 PM CDT FRI AUG 12 2011 TXZ002-122100- SHERMAN TX- 337 PM CDT FRI AUG 12 2011 ...SIGNIFICANT WEATHER ADVISORY... THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 400 PM CDT FOR SHERMAN COUNTY. AT 335 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE MONITORING A STRONG THUNDERSTORM 4 MILES NORTHEAST OF STRATFORD... MOVING EAST AT 15 MPH. STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY. BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED. LG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 359 PM CDT FRI AUG 12 2011 TXZ001-002-007-122130- DALLAM TX-MOORE TX-SHERMAN TX- 359 PM CDT FRI AUG 12 2011 ...SIGNIFICANT WEATHER ADVISORY... THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 430 PM CDT FOR SHERMAN...MOORE AND DALLAM COUNTIES. AT 358 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE MONITORING STRONG THUNDERSTORMS 3 MILES SOUTHWEST OF CONLEN AND 2 MILES EAST OF STRATFORD...MOVING EAST AT 10 MPH. ONE HALF INCH HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE. LG
The Amarillo radar (KAMA), 125 km away, was scanning. The volume nearest the first event began at 21:03 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Local law enforcement officials in Sherman County reported that the thunderstorm wind gust knocked down several power poles about five miles east of Stratford Texas. There were no reports of injuries or fatalities.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2011Every state in 2011This day in weather historyWarnings in Texas, August 2011
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: 340479, 340478.