Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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000 FXUS63 KOAX 290435 AFDOAX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1135 PM CDT FRI AUG 28 2015 .UPDATE... ISSUED AT 1135 PM CDT FRI AUG 28 2015 SOME PATCHY DRIZZLE HAS REMAINED ACROSS EAST CENTRAL NEBRASKA AND WESTERN IOWA THIS EVENING...WHERE THE TIGHTEST CYCLONIC FLOW EXISTED...IN THE NORTHWEST QUADRANT OF THE SURFACE LOW. THAT COULD LINGER FOR ANOTHER HOUR OR TWO. OTHERWISE...CLOUDY CONDITIONS WILL REMAIN OVERNIGHT FOR MUCH OF THE AREA. ON THE PERIPHERY OF THE LOW STRATUS CLOUDS...SKIES HAD ACTUALLY CLEARED IN NORTHEAST NEBRASKA AND SPOTTY AREAS IN SOUTHEAST NEBRASKA. WILL HAVE TO WATCH THESE AREAS FOR DENSE FOG DEVELOPMENT OVERNIGHT. HRRR/RAP/NAM ALL INDICATE THIS HAPPENING...ESPECIALLY IN NORTHEAST NEBRASKA. KONL HAS ALREADY DROPPED TO 3/4 MILE. UNDERNEATH THE STRATUS... VISIBILITIES PROBABLY WON`T TANK THAT BADLY. NO PLANS TO ISSUE ANY FOG ADVISORY AT THIS TIME FOR NORTHEAST NEBRASKA...WILL NEED TO WAIT AND SEE HOW IT DEVELOPS OVER THE NEXT COUPLE OF HOURS IN OUR AREA. && .SHORT TERM...(TONIGHT THROUGH MONDAY) ISSUED AT 252 PM CDT FRI AUG 28 2015 THE MID LEVEL SHORTWAVE THAT BROUGHT LAST NIGHTS RAINFALL WILL CONTINUE TO PROPAGATE EAST THROUGH THE OVERNIGHT HOURS. AS THIS HAPPENS EXPECT SKIES TO GRADUALLY CLEAR OUT. EXPECT OVERNIGHT LOW TEMPERATURES TO FALL INTO THE UPPER 50S TO LOW 60S UNDER GENERALLY CLEAR SKIES AND LIGHT WINDS. ACROSS FAR SOUTHWESTERN IOWA SOME LIGHT PRECIPITATION IS POSSIBLE EARLY THIS EVENING AS THE EFFECTS OF THE SHORTWAVE LINGER. FOR THE WEEKEND TEMPERATURES LOOK TO REBOUND INTO THE 80S UNDER BUILDING HIGH PRESSURE ALOFT AND GENERALLY SUNNY SKIES. .LONG TERM...(MONDAY NIGHT THROUGH FRIDAY) ISSUED AT 252 PM CDT FRI AUG 28 2015 UPPER LEVEL HIGH PRESSURE REMAINS FIRMLY IN PLACE THROUGHOUT THE EXTENDED PORTION OF THE FORECAST. THUS THE FORECAST LOOKS TO BE GENERALLY DRY WITH SMALL PRECIPITATION CHANCES ON MONDAY AND TUESDAY NIGHT AS A COUPLE WEAK IMPULSES MOVE OVER THE TOP OF THE UPPER LEVEL HIGH PRESSURE RIDGE. DAYTIME HIGHS WILL WARM A BIT AND ARE FORECAST IN THE MID TO UPPER 80S. && .AVIATION...(06Z TAFS FOR KOFK...KLNK AND KOMA.) ISSUED AT 1135 PM CDT FRI AUG 28 2015 CHALLENGING AVIATION FORECAST TONIGHT. WILL HAVE IFR CONDITIONS AT KOMA THRU THE NIGHT...AND EVEN COULD DROP INTO LIFR CATEGORY LATER. VFR CONDITIONS AT BOTH KLNK/KOFK. KOFK COULD OCCASIONALLY SCATTER OUT TO VFR. IF THAT HAPPENS...WITH CLEARING SKIES...DENSE FOG COULD DEVELOP THERE WITH VISIBILITIES DROPPING TO 1/2 MILE OR LESS LATER TONIGHT AND EARLY SATURDAY. CLOUDS SCOUR OUT BY 14-18Z. && .OAX WATCHES/WARNINGS/ADVISORIES... NE...NONE. IA...NONE. && $$ UPDATE...DEWALD SHORT TERM...PEARSON LONG TERM...PEARSON AVIATION...MEYER

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