Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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000 FXUS63 KOAX 220520 AFDOAX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1120 PM CST WED JAN 21 2015 .SHORT TERM...(TONIGHT THROUGH SATURDAY) ISSUED AT 250 PM CST WED JAN 21 2015 WEAK SURFACE TROUGH WAS SETTLING SOUTH THROUGH THE AREA WITH A FEW RAIN/SNOW SHOWERS DEVELOPING ON THE NORTH SIDE OF THE TROUGH ACROSS NORTHEAST NEBRASKA AND NORTHWEST IOWA. THIS TREND WILL CONTINUE FOR AT LEAST A COUPLE HOURS THIS EVENING WITH ACTIVITY DIMINISHING AS CYCLONIC FLOW WEAKENS AND SURFACE TROUGH CONTINUES TO DAMPEN OUT. DON`T BELIEVE IT WILL BE MEASURABLE WITH JUST TRACE AMOUNTS EXPECTED. OTHERWISE...HIGH PRESSURE RIDGE COMES IN QUICKLY BEHIND THE TROUGH WITH WEST SOUTHWEST FLOW DEVELOPING AGAIN THURSDAY AND FRIDAY AHEAD OF THE NEXT TROUGH EXPECTED TO ENTER THE AREA. THIS SHOULD KEEP TEMPS WELL ABOVE NORMAL WITH HIGHS IN THE UPPER 30S TO LOWER 40S THURSDAY...AND UPPER 40S TO LOWER 50S ON FRIDAY. BOTH THE NAM AND ECMWF ALSO SUGGEST ISOLATED SPRINKLES COULD DEVELOP WITH THE TROUGH PASSAGE FRIDAY AFTERNOON WHEN DAYTIME INSTABILITY IS MAXIMIZED. WESTERLY FLOW CONTINUES SATURDAY WITH ANOTHER VERY MILD DAY WITH HIGHS IN THE UPPER 40 TO LOWER 50S...AHEAD OF THE NEXT CLIPPER THAT QUICKLY SWEEPS THE AREA SATURDAY NIGHT. .LONG TERM...(SATURDAY NIGHT THROUGH WEDNESDAY) ISSUED AT 250 PM CST WED JAN 21 2015 FAST MOVING CLIPPER STILL LOOKS LIKE IT COULD BRING A CHANCE OF RAIN OR SNOW SATURDAY NIGHT. THE ECMWF IS NOW DRY THOUGH...THUS OVERALL CHANCES ARE ON A DOWNWARD TREND. HIGH TEMPS STILL REMAIN VERY MILD SUNDAY THROUGH TUESDAY WITH HIGHS IN THE UPPER 40S TO MID 50S. A WEAK FRONT COULD COOL US OFF BY WEDNESDAY...BUT STILL WELL ABOVE NORMAL. && .AVIATION...(06Z TAFS FOR KOFK...KLNK AND KOMA.) ISSUED AT 1120 PM CST WED JAN 21 2015 MVFR CONDITIONS WILL PREVAIL MOST OF THE PERIOD OVERNIGHT...THEN WE EXPECT CLOUDS TO DECREASE THURSDAY MORNING. VFR CONDITIONS SHOULD OCCUR THURSDAY AFTERNOON. NORTH OR NORTHWEST WINDS TONIGHT WILL BECOME WEST THEN SOUTHWEST WEDNESDAY. && .OAX WATCHES/WARNINGS/ADVISORIES... NE...NONE. IA...NONE. && $$ SHORT TERM...DEWALD LONG TERM...DEWALD AVIATION...MILLER

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