Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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000 FXUS63 KOAX 281117 AFDOAX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 517 AM CST FRI NOV 28 2014 .SHORT TERM...(TODAY THROUGH SUNDAY) ISSUED AT 213 AM CST FRI NOV 28 2014 TEMPERATURES WILL BE THE PRIMARY FOCUS IN THE SHORT TERM BOUNCING FROM VERY WARM TO VERY COLD BETWEEN SATURDAY AND SUNDAY. VERY MILD AIR WAS SPREADING INTO THE REGION THIS MORNING WITH SURFACE WINDS ALREADY HELPING TO MIX THE BOUNDARY LAYER IN THE SOUTHEAST WHERE TEMPS AROUND 30. ONE LIMITING FACTOR TO WARMING TODAY...ESPECIALLY IN THE NORTH...WILL BE SURFACE LOW THAT TRACKS ALONG THE NORTHERN BORDER THIS MORNING BEFORE WEAKENING THIS AFTERNOON. WEAKER WIND FIELD AND PROXIMITY TO SNOW COVER IN NORTHWEST IOWA MAY HOLD TEMPS TO THE 40S HERE COMPARED TO 50S ELSEWHERE. SATURDAY LOOKS EVEN WARMER WITH POTENTIAL FOR TEMPERATURES TO PUSH 70 IN SOME PARTS OF EASTERN NEBRASKA. IT IS THE END OF NOVEMBER HOWEVER AND ARCTIC AIR POISED OVER THE NORTHERN PLAINS IS EXPECTED TO BRING A QUICK END TO THE WARMTH BY SUNDAY. MODELS ARE SIMILAR IN DROPPING A COLD FRONT INTO THE AREA LATE SATURDAY NIGHT WITH STRONG COLD ADVECTION THROUGH THE DAY SUNDAY. STEADY TO FALLING TEMPERATURES IN THE TEENS AND 20S COMBINED WITH STRONG NORTH WINDS WILL BRING THE FEEL OF WINTER BACK TO THE REGION AS HIGH PRESSURE BUILDS SOUTH. .LONG TERM...(SUNDAY NIGHT THROUGH THURSDAY) ISSUED AT 213 AM CST FRI NOV 28 2014 SAME STORY WITH TEMPERATURES IN THE EXTENDED PERIOD. COLDER AIR BEGINS TO MOVE EAST ON MONDAY AS CENTER OF HIGH PRESSURE TRACKS TOWARD THE WESTERN GREAT LAKES AND LOW PRESSURE DEVELOPS OVER MONTANA IN ADVANCE OF ANOTHER UPPER TROUGH MOVING INTO SOUTHWEST CANADA. WARMER TEMPS RETURN AHEAD OF THE SYSTEM FOR MONDAY NIGHT AND TUESDAY BEFORE COLD FRONT BRUSHES THE AREA TUESDAY NIGHT AND WEDNESDAY. COLD NOT AS STRONG AS PREVIOUS ROUND WITH CORE OF COLDEST AIR EXPECTED TO STAY OVER THE GREAT LAKES REGION AS MORE ZONAL UPPER FLOW DEVELOPS WEDNESDAY NIGHT AND THURSDAY. FORECAST DRY FOR NOW BUT MOISTURE MAY BE CLOSE TO SOUTHEAST PARTS OF THE AREA ON THURSDAY. && .AVIATION...
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(12Z TAFS FOR KOFK...KLNK AND KOMA.) ISSUED AT 515 AM CST FRI NOV 28 2014 VFR CONDITIONS ARE EXPECTED THROUGH THE TAF CYCLE. LIGHT SOUTH TO SOUTHEAST WINDS TODAY WILL BECOME SOUTHWESTERLY TONIGHT AND WESTERLY BY SATURDAY MORNING...WITH SPEEDS OF 10KT OR LESS.
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&& .OAX WATCHES/WARNINGS/ADVISORIES... NE...NONE. IA...NONE. && $$ SHORT TERM...FOBERT LONG TERM...FOBERT AVIATION...MAYES

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