485   
FXUS64 KOUN 280608  
AFDOUN  
  
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NORMAN OK  
108 AM CDT TUE OCT 28 2025  
   
..NEW NEAR TERM, SHORT TERM, LONG TERM  
  
   
KEY MESSAGES  
  
UPDATED AT 100 AM CDT TUE OCT 28 2025  
  
  - FOG AND SCATTERED SHOWERS/STORMS ARE POSSIBLE EARLY TUESDAY   
    MORNING.  
  
  - STRONG NORTH WINDS AND COOLER TEMPERATURES ARE EXPECTED BEHIND  
    THE COLD FRONT ON TUESDAY AND BLUSTERY COLD TUESDAY NIGHT DUE  
    TO WIND CHILLS.  
  
  - COLDEST NIGHT ON WEDNESDAY WITH AREAS OF WIDESPREAD FROST  
    POSSIBLE ON THURSDAY MORNING.    
  
  - NORTHERN AND WESTERN OKLAHOMA COULD SEE ITS FIRST FREEZE OF  
    THE SEASON ON THURSDAY MORNING.   
  
  
   
NEAR TERM  
  
(THROUGH TUESDAY)  
ISSUED AT 100 AM CDT TUE OCT 28 2025  
  
TUESDAY WILL BE WINDY AND TURNING COOLER INTO THE AFTERNOON WITH   
RAIN CHANCES AND A FEW STRONG STORMS DURING THE MORNING HOURS AND   
BLUSTERY COLD OVERNIGHT.  
  
A SHORTWAVE TROUGH ACROSS THE NORTHERN & CENTRAL HIGH PLAINS WILL BE   
DIGGING INTO THE SOUTHERN PLAINS.  THIS UPPER WAVE WILL BE PUSHING A   
STRONG AND FAST MOVING COLD FRONT INTO NORTHWEST OKLAHOMA EARLY THIS   
MORNING AND ACROSS OUR ENTIRE AREA THROUGH THE REMINDER OF THE   
MORNING.  RAIN WILL LIKELY DEVELOP ALONG THE FRONT FALLING INTO A   
WELL SATURATED AND STABLE BOUNDARY LAYER.  COLD AIR COMING THROUGH   
THE TROUGH EXPECTED TO STEEPEN MID-LEVEL LAPSE RATES RESULTING IN   
MUCAPE VALUES UP TO 1000 J/KG WITHIN A STRONG SHEARED ENVIRONMENT   
COULD ALSO INITIATE A CLUSTER OF ELEVATED THUNDERSTORMS ALONG AND   
JUST BEHIND THE FRONT. SOME OF THESE STORMS COULD PRODUCE SMALL HAIL   
WHILE D-CAPE VALUES COULD SUPPORT STRONG GUSTY WINDS IN THE   
DOWNDRAFTS.  OVERALL ANY CONVECTION THIS MORNING COULD BE STRONG BUT   
NOT A SEVERE RISK.  ISENTROPIC ASCENT COULD PRODUCE SOME LIGHT   
DRIZZLE TO PATCHY FOG AHEAD OF THE FRONT IN THE VERY SATURATED   
BOUNDARY LAYER.  IT WILL BE WINDY BEHIND THE COLD FRONT AT 20-25 MPH   
SUSTAINED FROM THE NORTH-NORTHWEST.  BY LATE MORNING A NORTHERLY LOW-  
LEVEL JET INCREASES WITH DECREASING CLOUDINESS IN THE AFTERNOON.   
DIURNAL HEATING COULD ENHANCE ANY DYNAMIC MIXING OFF THE SURFACE   
INTO THE LOW-LEVEL JET AT LEAST TO 925 MB ALTHOUGH SOME FORECAST   
SOUNDINGS SUGGEST NEAR 850 MB.  AS A RESULT OF MIXING COULD SEE WIND   
GUSTS IN THE 30-40 MPH RANGE BY LATE MORNING INTO THE AFTERNOON   
HOURS. TEMPERATURES WILL START DROPPING BEHIND THE COLD FRONT FROM   
THIS CANADIAN-BASED AIR MASS.  AFTERNOON TEMPERATURES ACROSS THE   
NORTHERN HALF OF OKLAHOMA WILL BE FALLING IN THE 50S WITH THE   
SOUTHERN HALF OF OUR AREA IN THE 60S.  THE UPPER TROUGHS AXIS SHOULD   
BE TO OUR EAST BY THIS EVENING WITH COLD DRY AIR CONTINUING TO SURGE   
FROM THE NORTH.  
  
  
   
SHORT TERM  
  
(TUESDAY NIGHT THROUGH THURSDAY NIGHT)  
ISSUED AT 100 AM CDT TUE OCT 28 2025  
  
COLDER AND WINDY UNDER THE TROUGH ON TUESDAY NIGHT.  ALTHOUGH MOST   
OF OUR AREA SHOULD SEE MEASURED LOW TEMPERATURES IN THE 40S, GUSTY   
NORTHWEST WINDS WILL PRODUCE WIND CHILL VALUES IN THE 20S ACROSS   
NORTHWEST OKLAHOMA TO THE 30S ACROSS THE REST OF OUR AREA AS IT WILL   
FEEL MUCH COLDER.  BREEZY TUESDAY NIGHT WITH SUSTAINED WINDSPEEDS AT   
15-20 MPH WHICH COULD MIX HIGH ENOUGH FOR 20-30 MPH GUSTS.    
  
WEDNESDAY HAS THE POTENTIAL OF BEING EVEN WINDIER DUE TO A TIGHTER   
PRESSURE GRADIENT WITH MOSTLY SUNNY AFTERNOON SKIES AND HIGHER   
MIXING (850 MB) INTO A STRONGER NORTHERLY LOW-LEVEL FLOW.  AS A   
RESULT COULD SEE WIND GUSTS EXCEED 40 MPH PERHAPS IN THE 40-50 MPH   
RANGE MEETING WIND ADVISORY CRITERIA.  DID GO SLIGHTLY STRONGER THAN   
NBM FOR AFTERNOON WINDS USING THE CONSRAW GUIDANCE NUDGED 60%.  
NORTHERLY WINDS LIGHTEN UP WEDNESDAY NIGHT UNDER CLEAR SKIES SETTING   
UP OUR AREA FOR A NIGHT OF STRONG RADIATIONAL COOLING.  TEMPERATURES   
WEDNESDAY NIGHT WILL PLUNGE INTO THE 30S ACROSS ALL BUT SLIGHTLY   
WARMER SOUTHEAST OKLAHOMA TO COLDER UPPER 20S ACROSS NORTHWEST   
OKLAHOMA.  MUCH OF NORTHERN AND WESTERN OKLAHOMA EXTENDING INTO   
ADJACENT WESTERN NORTH TEXAS COULD SEE THEIR FIRST FREEZE OF THE   
SEASON ON THURSDAY MORNING.  RECOVERING RELATIVE HUMIDITY VALUES ON   
THURSDAY MORNING MAY ALSO BE HIGH ENOUGH (ALONG WITH OTHER   
METEOROLOGICAL CONDITIONS MET) FOR THE FORMATION OF FROST ON GRASSY   
SURFACES.   HIGH PRESSURE BUILDS IN ON THURSDAY KEEPING WINDS LIGHT   
& VARIABLE BECOMING SLIGHTLY WARMER IN THE DAY ON THE EASTERN   
PERIPHERY OF A WEAK BUILDING RIDGE.  MUCH OF THE AREA WILL WARM INTO   
THE 60S ALTHOUGH ANOTHER COLD NIGHT WITH STRONG RADIATIONAL  
COOLING.  
  
  
   
LONG TERM  
  
(FRIDAY THROUGH MONDAY)  
ISSUED AT 100 AM CDT TUE OCT 28 2025  
  
TEMPERATURES RETURNING CLOSER TO NORMAL ON FRIDAY.  A LONGER WAVE   
TROUGH ORIGINATING FROM THE U.S. GREAT LAKES REGION WILL BE DIGGING   
THROUGH OUR AREA ON SATURDAY PUSHING A WEAK BACKDOOR COLD FRONT   
THROUGH WITH TEMPERATURES DROPPING ONLY A FEW DEGREES WITH HIGHS IN   
THE 60S.  MODELS DIVERGE FOR SUNDAY INTO MONDAY ALTHOUGH HINT THAT   
PRESSURE HEIGHTS WILL RISE DUE TO UPPER RIDGING BUILDING ACROSS THE   
SOUTHWESTERN U.S. RESULTING IN A WARMING TREND WITH MILD YET ABOVE   
AVERAGE TEMPERATURES STARTING SUNDAY.  
  
  
   
AVIATION  
  
(06Z TAFS)  
ISSUED AT 1032 PM CDT MON OCT 27 2025  
  
IFR TO LIFR CONDITIONS PREVAIL ACROSS MUCH OF WEST CENTRAL AND  
NORTHWESTERN OKLAHOMA LATE THIS EVENING.  OVERNIGHT, CEILINGS  
ELSEWHERE ARE EXPECTED TO LOWER FROM MVFR TO IFR WITH AN INCREASE  
CHANCE OF DRIZZLE AND PERHAPS SHOWERS. CLOUDS MAY TAKE LONGER TO   
DEVELOP ACROSS PARTS OF SOUTHWESTERN OKLAHOMA AND NORTHERN TEXAS.  
LIFT FROM AN APPROACHING SHORTWAVE TROUGH IS EXPECTED TO RESULT  
IN A BETTER CHANCE OF SHOWERS AND PERHAPS THUNDERSTORMS  
ACROSS CENTRAL AND EAST CENTRAL OKLAHOMA.  THUNDERSTORMS SHOULD  
MAINLY IMPACT OKC/OUN TERMINALS.  OTHERWISE, A STRONG COLD FRONT  
WILL SHIFT SURFACE WIND TO THE NORTHWEST WITH GUSTS OF 30-35 KNOTS  
BEHIND THE FRONT. THE FRONT WILL ALSO IMPROVE VISIBILITY WITH  
CEILINGS LIFTING TO VFR CONDITIONS A FEW HOURS BEHIND THE FRONT.   
  
  
   
PRELIMINARY POINT TEMPS/POPS  
  
OKLAHOMA CITY OK  61  43  54  36 /  50   0   0   0   
HOBART OK         64  42  59  33 /  10   0   0   0   
WICHITA FALLS TX  68  45  62  36 /  10   0   0   0   
GAGE OK           58  36  55  28 /  10   0   0   0   
PONCA CITY OK     60  43  54  36 /  70  10   0   0   
DURANT OK         70  46  58  42 /  50   0   0   0   
  
  
   
OUN WATCHES/WARNINGS/ADVISORIES  
  
OK...NONE.  
TX...NONE.  
  
  
  
  
NEAR TERM...68  
SHORT TERM...68  
LONG TERM....68  
AVIATION...06  
 
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