A moist air mass and cooling temperatures caused fog to form by late evening on the 10th and persist through the early morning hours of the 11th across the Texas Panhandle. Dense fog reduced the visibility to at or below one quarter mile for at least a short period during the indicated time range in or near the cities of Amarillo (Potter and Randall counties), Perryton (Ochiltree County),…
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The episode as NWS AMA wrote it up.
A moist air mass and cooling temperatures caused fog to form by late evening on the 10th and persist through the early morning hours of the 11th across the Texas Panhandle. Dense fog reduced the visibility to at or below one quarter mile for at least a short period during the indicated time range in or near the cities of Amarillo (Potter and Randall counties), Perryton (Ochiltree County), Libscomb (Libscomb County), Canadian (Hemphill County), Clarendon (Donley County), Claude (Armstrong County), Hereford (Deaf Smith County), Miami (Roberts County), Pampa (Gray County), Panhandle (Carson County), Stinnett (Hutchinson County), Vega (Oldham County), Wellington (Collingsworth County), Wheeler (Wheeler County). By 10:00 AM CST, the fog had dissipated.
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 Dec 10, 5:52 PM CST, 4 hours 8 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 552 PM CST WED DEC 10 2014 .AVIATION... FOR THE 00Z TAFS...TIMING OF POTENTIAL FOG AND LOW CLOUD DEVELOPMENT WILL BE THE PRIMARY FCST CHALLENGE FOR THIS FCST CYCLE. BASED ON WHAT HAPPENED DURING THE PAST 24 HOURS...HAVE GENERALLY FOLLOWED PREVIOUS FCSTRS IDEAS FOR THIS EVENING THROUGH MID MORNING THURSDAY. EXPECT IMPROVEMENT AT ALL TAF SITES DURING THE LATE MORNING HOURS THURSDAY. ANDRADE && .PREV DISCUSSION... /ISSUED 344 PM CST WED DEC 10 2014/ DISCUSSION... SHORT TERM /TONIGHT THROUGH FRIDAY/ VISIBLE SATELLITE SHOWS PERSISTENT STRATUS ACROSS ROUGHLY THE SOUTHEAST HALF OF THE TEXAS PANHANDLE. A VERY MOIST AIR MASS FOR DECEMBER REMAINS OVER THE AREA WITH SURFACE DEW POINTS RANGING FROM THE MID 40S TO AROUND 50 DEGREES. DRIER AIR AND A LONGER PERIOD OF INSOLATION HAS RESULTED IN TEMPERATURES REACHING THE LOWER 60S ACROSS THE FAR WESTERN OKLAHOMA PANHANDLE. TEMPERATURE/DEW POINT SPREADS ARE ALREADY FAIRLY SMALL AND BY LATE EVENING AS COOLING COMMENCES AREAS OF FOG WILL ONCE AGAIN DEVELOP. AREAS OF DENSE FOG WILL BE POSSIBLE...PARTICULARLY ACROSS THE EASTERN PORTION OF THE TEXAS PANHANDLE. ALL BUT THE FAR NORTHWEST PORTION OF THE FORECAST AREA WILL LIKELY EXPERIENCE FOG OVERNIGHT AND THROUGH AT LEAST EARLY MORNING. SIMILAR TO TODAY...FOG SHOULD GRADUALLY DIMINISH AND LOW STRATUS MAY LINGER INTO AT LEAST EARLY AFTERNOON. THE MAIN STORY FOR THE NEXT FEW DAYS WILL CONTINUE TO BE NIGHTLY CHANCES OF FOG AS DISPLACEMENT OF MOIST AIR MASS WILL NOT OCCUR UNTIL A TROUGH MOVES THROUGH DURING THE EXTENDED FORECAST PERIOD. AHEAD OF THE AFOREMENTIONED TROUGH ON FRIDAY...UPPER LEVEL RIDGING AND STRENGTHENING SOUTHWESTERLY FLOW WILL CONTRIBUTE TO HIGH TEMPERATURES REACHING THE UPPER 60S TO AROUND 70 DEGREES. THE POTENTIAL FOR STRATUS TO LINGER LONGER THAN EXPECTED EACH DAY WILL HAVE IMPLICATIONS FOR HIGH TEMPERATURES. BRB LONG TERM /SATURDAY THROUGH WEDNESDAY/ SATURDAY STILL LOOKS LIKE A PLEASANT...ALBEIT WINDY DAY ACROSS THE PANHANDLES. TEMPERATURES WILL BE IN THE UPPER 60S TO LOW 70S...ABOUT 20 DEGREES ABOVE NORMAL FOR EARLY DECEMBER. ALL THAT CHANGES ON SUNDAY AS A FRONTAL SYSTEM AND UPPER LEVEL LOW MOVE ACROSS THE PANHANDLES. GFS/ECMWF REMAIN IN PRETTY CLOSE AGREEMENT ON TRACK AND STRENGTH...THOUGH 12Z RUNS TODAY DIFFER MOST ON HOW QUICKLY THE SYSTEM EXITS THE AREA. FOR NOW HAVE KEPT THE TIMING A LITTLE SLOWER TO MESH WITH PREVIOUS RUNS AND 12Z ECMWF. SLIGHT CHANCE TO CHANCE POPS FOR RAIN BEGIN SUNDAY...AND DID INCLUDE A MENTION FOR ISOLATED THUNDERSTORMS OVER THE FAR SOUTHEASTERN TEXAS PANHANDLE WHERE BETTER INSTABILITY AND MOISTURE CONVERGENCE LINES UP...THOUGH APPEARS IT WOULD BRIEF AND MORE IN THE LATE MORNING/EARLY AFTERNOON TIMEFRAME. WITH THE VARIABILITY IN SPEED AND TRACK OF THE UPPER LEVEL ARE STILL VARYING SOME...AND...IN TURN...SO WILL P-TYPE EARLY MONDAY MORNING. FOR NOW HAVE OPTED FOR A BROAD RAIN/SNOW MIX ACROSS THE OKLAHOMA PANHANDLE AND NORTHERN TIER OF TEXAS PANHANDLE COUNTIES...CHANGING TO SNOW AROUND 12Z. THIS IS MAINLY WRAP-AROUND MOISTURE AS THE LOW MOVES EASTWARD ACROSS OKLAHOMA AND APPEARS TO BE THE GREATEST VARIABLE WITH THIS SYSTEM AT THIS TIME. TEMPERATURES RETURN TO NORMAL AFTER THIS FRONTAL SYSTEM. ELSENHEIMER && .AMA WATCHES/WARNINGS/ADVISORIES... TX...NONE. OK...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 316 PM CST WED DEC 10 2014 OKZ001>003-TXZ001>020-110930- CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB- HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON- GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH- 316 PM CST WED DEC 10 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE...THIS AFTERNOON AND TONIGHT. FOG WILL DEVELOP OVERNIGHT ACROSS MOST OF THE TEXAS AND OKLAHOMA PANHANDLES. VISIBILITIES MAY DROP TO LESS THAN A MILE. AREAS OF DENSE FOG WILL BE POSSIBLE RESULTING IN HAZARDOUS DRIVING CONDITIONS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
The national radar mosaic for the moment the first event began.
15 dense fog. Local standard time, as filed.
Visibility fell to less than one quarter mile at Perryton airport.
Visibility fell to one quarter mile at Perryton and Canadian airports.
Visibility fell to one quarter mile at Mesa Vista Ranch airport.
Visibility fell to one quarter mile at Canadian airport.
Visibility fell to one quarter mile at Pampa airport.
Visibility fell to one quarter mile at Canadian and Pampa airports.
Visibility fell to one quarter mile.
Visibility fell to one quarter mile.
Visibility fell to one quarter mile at Amarillo.
Visibility fell to one quarter mile.
Visibility estimated to be one quarter mile 4 miles north of Canyon.
Visibility fell to one quarter mile.
Visibility fell to less than one quarter of a mile at Borger airport.
Law enforcement estimated visibility to be one quarter of a mile.
Visibility fell to less than one quarter of a mile at Hereford airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2014Every state in 2014This day in weather historyWarnings in Texas, December 2014
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: 548853, 548854, 548855, 548856, 548857, 548858, 548859, 548860, 548861, 548862, 548863, 548864, 548865, 548866, 548867.