A severe thunderstorm moved through the east central section of the Texas Panhandle producing strong winds near Pampa during the evening hours. No damage or injuries were reported.
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The episode as NWS AMA wrote it up.
A severe thunderstorm moved through the east central section of the Texas Panhandle producing strong winds near Pampa during the evening hours. No damage or injuries were 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 May 31, 5:52 PM CST, 2 hours 8 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 652 PM CDT SUN MAY 31 2009 .AVIATION... A CLUSTER OF THUNDERSTORMS WERE LOCATED NEAR KAMA AND SOON TO APPROACH KDHT AND KGUY EARLY IN THE FORECAST PERIOD. WHILE THIS ACTIVITY WILL BE HEAVILY DEPENDENT ON DAYTIME HEATING...STORM DEVELOPMENT COULD LINGER WELL INTO THE LATE EVENING BEFORE DIMINISHING. BRIEF WIND GUSTS UP TO 45 TO 50 MPH ARE THE PRIMARY CONCERN. THUNDERSTORMS COULD DEVELOP LATE MONDAY AFTERNOON AHEAD OF DEVELOPING DRYLINE...WHICH SHOULD EDGE INTO THE WESTERN PARTS OF THE PANHANDLES MONDAY AFTERNOON. THESE STORMS ARE LIKELY TO BE STRONGER AND MAY APPROACH SEVERE STRENGTH WITH DAMAGING WINDS AND LARGE HAIL POSSIBLE. NUNEZ && .PREV DISCUSSION... /ISSUED 335 PM CDT SUN MAY 31 2009/ DISCUSSION... DIURNALLY DRIVEN SHOWERS AND THUNDERSTORMS DEVELOPED EARLY THIS AFTERNOON ACROSS PORTIONS OF THE TX/OK PANHANDLES AND SHOULD CONTINUE THROUGH THE EVENING HOURS. MOST OF THIS ACTIVITY HAS DEVELOPED IN AN AREA OF ENHANCED CONVERGENCE WITH BACKING WINDS OBSERVED OVER THE SOUTHEAST TX PANHANDLE. VERTICAL MOTION IS ENHANCED BY THE PRESENCE OF A WEAK H7 SHORTWAVE TROF ANALYZED OVER EASTERN CO ON THE 12Z RAOB DATA AS WELL AS A COLD POOL ALOFT AT H5. GIVEN THE WEAK FORCING ALOFT...THE MAJORITY OF THESE STORMS SHOULD DISSIPATE AFTER SUNSET ALTHOUGH WE COULD SEE A FEW ADDITIONAL STORMS DRIFT INTO THE WESTERN ZONES FROM EASTERN NM. STORMS WILL BE OF THE PULSE VARIETY AND NO ORGANIZED SEVERE WX IS ANTICIPATED AT THIS TIME. HOWEVER...A FEW STORMS MAY PRODUCE MARGINALLY SEVERE HAIL AND GUSTY WINDS GIVEN THE STEEP LAPSE RATES AND INVERTED V SOUNDINGS. ON MONDAY...THE DRYLINE IS STILL FORECAST TO SET UP OVER THE WESTERN PORTION OF THE CWA...ROUGHLY ALONG A LINE FROM BOISE CITY...TO DALHART...TO HEREFORD. TO THE EAST OF THIS BOUNDARY...DEWPOINTS WILL REMAIN IN THE UPPER 40S TO MID 50S. WITH SFC TEMPS FORECAST TO CLIMB INTO THE MID/UPPER 80S...SCATTERED THUNDERSTORMS MAY DEVELOP ALONG AND EAST OF THE DRYLINE BY EARLY AFTERNOON. A STRONGER SHORTWAVE IS PROGGED TO AFFECT THE AREA BY LATE AFTERNOON AIDING LOW LEVEL FORCING ALREADY IN PLACE. GFS POINT SOUNDINGS INDICATE CAPE VALUES OF 1500 TO 2500 J/KG BY PEAK HEATING WITH LITTLE CIN. GIVEN THE LACK OF A CAP...STORMS MAY FIRE EARLY PREVENTING ANY DISCRETE STORMS AND LIMITING THE OVERALL SEVERE POTENTIAL. HOWEVER...A FEW STORMS MAY BECOME SEVERE BY LATE AFTERNOON AND EARLY EVENING AS THE SHEAR IMPROVES WITH THE DEVELOPING LOW LEVEL JET. THE DRYLINE IS EXPECTED TO RETREAT MONDAY EVENING AND MAY ALLOW STORMS TO DEVELOP FARTHER TO THE WEST AFTER 00Z. THE COLD FRONT IS STILL FORECAST TO ARRIVE ON TUESDAY BUT TIMING REMAINS UNCERTAIN. THE CURRENT FORECAST BRINGS THE FRONT AS FAR SOUTH AS INTERSTATE 40 BY EARLY AFTERNOON...CLEARING THE SOUTHEAST ZONES JUST AFTER 00Z. THIS SHOULD RESULT IN COOLER TEMPS IN THE NORTH BUT COMPRESSIONAL HEATING AHEAD OF THE FRONT MAY ALLOW TEMPS TO SOAR IN THE SOUTHEAST QUADRANT OF THE TX PANHANDLE. TEMPS HAVE BEEN WARMED INTO THE LOWER 90S ACCORDINGLY. THIS MAY ALSO ENHANCE THE SEVERE WX THREAT DURING THE AFTERNOON ALTHOUGH THIS THREAT REMAINS CONDITIONAL ON THE FRONTAL TIMING. COOLER AND DRY WX EXPECTED ON WEDNESDAY WITH A MID/UPPER LEVEL RIDGE FORECAST TO BUILD BY THURSDAY. LOW POPS WERE RETAINED FOR THE NORTHWEST ZONES DURING THE EVENING HOURS WEDNESDAY AND THURSDAY TO ACCOUNT FOR NORTHWEST FLOW ACTIVITY MOVING OFF OF THE HIGHER TERRAIN. TEMPS SHOULD WARM INTO THE UPPER 80S AND LOWER 90S BY THE END OF THE WEEK. A SFC TROF IS FORECAST TO DIP INTO THE PANHANDLES ON FRIDAY BUT NO POPS HAVE BEEN INTRODUCED FOR THIS FEATURE GIVEN THE UPPER LEVEL PATTERN. JOHNSON FIRE WEATHER... WINDS/RELATIVE HUMIDITIES WILL FLIRT WITH CRITICAL THRESHOLDS THIS AFTERNOON ACROSS ISOLATED PORTIONS OF THE WESTERN TX/OK PANHANDLES. WINDS WILL DIMINISH THIS EVENING AS RELATIVE HUMIDITIES RECOVER BUT ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS WILL BE POSSIBLE AGAIN ON MONDAY...MAINLY WEST OF OF THE DRYLINE WHICH IS FORECAST TO SET UP FROM BOISE CITY...TO DALHART...TO HEREFORD. A FIRE WEATHER WATCH WILL NOT BE ISSUED GIVEN THE UNCERTAINTY IN THE DRYLINE POSITION. FIRE WEATHER CONCERNS WILL BE MINIMAL ON TUESDAY AND WEDNESDAY DUE TO HIGHER RELATIVE HUMIDITIES AND THUNDERSTORM CHANCES. HUMIDITIES WILL DECREASE THURSDAY THROUGH SATURDAY AS TEMPS WARM BUT 20FT WIND SPEEDS ARE EXPECTED TO REMAIN BELOW 15 MPH. JOHNSON && .AMA WATCHES/WARNINGS/ADVISORIES... TX...NONE. OK...NONE. && 16/08
TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 330 PM CDT SUN MAY 31 2009 OKZ001>003-TXZ001>020-011100- ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH- DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE- OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER- 330 PM CDT SUN MAY 31 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND EVENING ACROSS THE OKLAHOMA AND TEXAS PANHANDLES AS A MINOR UPPER LEVEL LOW PRESSURE SYSTEM BEGINS TO APPROACH THE AREA. ANY STORMS THAT FORM SHOULD REMAIN JUST BELOW SEVERE LEVELS AT THIS TIME. IN ADDITION...CAUTION IS ADVISED ON AREA LAKES THIS AFTERNOON DUE TO BREEZY SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH WITH OCCASIONAL HIGHER GUSTS. .DAYS TWO THROUGH SEVEN... THUNDERSTORMS WILL BE POSSIBLE ACROSS ALL OF THE OKLAHOMA AND TEXAS PANHANDLES MONDAY AFTERNOON THROUGH TUESDAY NIGHT...AND THEN AGAIN ACROSS THE NORTHWEST SECTIONS OF THE OKLAHOMA AND TEXAS PANHANDLES WEDNESDAY NIGHT AND THURSDAY NIGHT. A FEW STORMS THAT DEVELOP MAY APPROACH SEVERE LEVELS ON MONDAY AND TUESDAY...WITH THE PRIMARY THREATS BEING LARGE HAIL AND DAMAGING WINDS. THE COMBINATION OF INCREASING SOUTHWEST WINDS AND LOW RELATIVE HUMIDITIES MAY LEAD TO ELEVATED FIRE WEATHER CONDITIONS ON MONDAY ACROSS WESTERN SECTIONS OF THE OKLAHOMA AND TEXAS PANHANDLES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. ANDRADE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 318 PM CDT SUN MAY 31 2009 TXZ014-019-312100- GRAY TX-DONLEY TX- 318 PM CDT SUN MAY 31 2009 ...STRONG THUNDERSTORM ACROSS NORTHERN DONLEY AND SOUTHERN GRAY COUNTIES... AT 316 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 10 MILES SOUTHWEST OF LAKE MCCLELLAN...OR ABOUT 15 MILES NORTHWEST OF CLARENDON...MOVING NORTHEAST AT 25 MPH. HAIL UP TO ONE HALF INCH IN SIZE AND WINDS AROUND 50 MPH ARE POSSIBLE. ANDRADE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 427 PM CDT SUN MAY 31 2009 TXZ009-010-312200- ROBERTS TX-HEMPHILL TX- 427 PM CDT SUN MAY 31 2009 ...STRONG THUNDERSTORM ACROSS HEMPHILL AND ROBERTS COUNTIES... AT 425 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER ROBERTS COUNTY...OR ABOUT 10 MILES WEST OF CANADIAN...MOVING NORTH AT 10 MPH. WINDS AROUND 50 MPH ARE POSSIBLE. BRIEF HEAVY RAIN...AND SMALL HAIL IS ALSO POSSIBLE. PERSONS IN THE PATH OF THESE STORMS SHOULD CLOSELY MONITOR WEATHER RADIO OR OTHER MEDIA FOR OTHER UPDATES AND POSSIBLE WARNINGS. BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED. SJOHNSON
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 534 PM CDT SUN MAY 31 2009 TXZ012-017-312300- POTTER TX-RANDALL TX- 534 PM CDT SUN MAY 31 2009 ...LINE OF STRONG THUNDERSTORMS ACROSS RANDALL AND POTTER COUNTIES... AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF AMARILLO TO 6 MILES NORTH OF CANYON...MOVING NORTH AT 10 MPH. WINDS AROUND 50 MPH ARE POSSIBLE. OCCASIONAL LIGHTNING...AND SMALL HAIL IS ALSO POSSIBLE. BRIEF...STRONG WIND GUSTS ARE POSSIBLE NEAR THUNDERSTORMS. MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. STAY AWAY FROM WINDOWS. PERSONS IN THE PATH OF THESE STORMS SHOULD CLOSELY MONITOR WEATHER RADIO OR OTHER MEDIA FOR OTHER UPDATES AND POSSIBLE WARNINGS. BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED. SJOHNSON
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 536 PM CDT SUN MAY 31 2009 TXZ005-312300- LIPSCOMB TX- 536 PM CDT SUN MAY 31 2009 ...STRONG THUNDERSTORM ACROSS SOUTHEASTERN LIPSCOMB COUNTY... AT 535 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER HIGGINS...OR ABOUT 15 MILES SOUTHEAST OF LIPSCOMB...MOVING NORTHEAST AT 15 MPH. UP TO ONE HALF INCH SIZE HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE. PERSONS IN THE PATH OF THESE STORMS SHOULD CLOSELY MONITOR WEATHER RADIO OR OTHER MEDIA FOR OTHER UPDATES AND POSSIBLE WARNINGS. BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED. SJOHNSON
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 558 PM CDT SUN MAY 31 2009 TXZ012-013-017-018-312330- POTTER TX-CARSON TX-RANDALL TX-ARMSTRONG TX- 558 PM CDT SUN MAY 31 2009 ...LINE OF STRONG THUNDERSTORMS ACROSS ARMSTRONG...RANDALL...CARSON AND POTTER COUNTIES... AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 16 MILES NORTH OF AMARILLO TO 14 MILES SOUTH OF CANYON...MOVING NORTHEAST AT 25 MPH. BRIEF...STRONG WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE THUNDERSTORMS. MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. STAY AWAY FROM WINDOWS. PERSONS IN THE PATH OF THESE STORMS SHOULD CLOSELY MONITOR WEATHER RADIO OR OTHER MEDIA FOR OTHER UPDATES AND POSSIBLE WARNINGS. BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED. SJOHNSON
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 631 PM CDT SUN MAY 31 2009 TXZ012-013-017-018-010000- POTTER TX-CARSON TX-RANDALL TX-ARMSTRONG TX- 631 PM CDT SUN MAY 31 2009 ...LINE OF STRONG THUNDERSTORMS ACROSS ARMSTRONG...EASTERN RANDALL...CARSON AND EASTERN POTTER COUNTIES... AT 629 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 24 MILES NORTHWEST OF PANHANDLE TO 9 MILES SOUTHWEST OF PALO DURO CANYON...OR ALONG A LINE EXTENDING FROM 18 MILES WEST OF BORGER TO 14 MILES SOUTHEAST OF CANYON...MOVING EAST AT 15 MPH. BRIEF...STRONG WIND GUSTS TO 50 MPH ARE POSSIBLE NEAR THESE STORMS. MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. STAY AWAY FROM WINDOWS. PERSONS IN THE PATH OF THESE STORMS SHOULD CLOSELY MONITOR WEATHER RADIO OR OTHER MEDIA FOR OTHER UPDATES AND POSSIBLE WARNINGS. BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED. SJOHNSON
The Amarillo radar (KAMA), 79 km away, was scanning. The volume nearest the first event began at 01:59 UTC.
1 thunderstorm wind. Local standard time, as filed.
The wind gust was measured at the Pampa West Texas Mesonet station located two miles east of Pampa.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2009Every state in 2009This day in weather historyWarnings in Texas, May 2009
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: 171606.