Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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000 FXUS63 KOAX 262036 AFDOAX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 336 PM CDT SUN JUL 26 2015 .SHORT TERM...(TONIGHT THROUGH WEDNESDAY) ISSUED AT 335 PM CDT SUN JUL 26 2015 THE MAIN CONCERNS DURING THE SHORT TERM PERIOD WILL BE THUNDERSTORM POTENTIAL WITH A SHORTWAVE MONDAY AND AHEAD OF A COLD FRONT MONDAY NIGHT...AS WELL AS HIGH HUMIDITY AND WARM TEMPERATURES. HOT AND HUMID CONDITIONS WILL CONTINUE THROUGH MONDAY AND INTO TUESDAY. HEAT INDICES WILL ONCE AGAIN SOAR INTO THE UPPER 90S AND LOW 100S ACROSS THE FORECAST AREA...BUT ARE EXPECTED TO REMAIN JUST SHY OF HEAT ADVISORY CRITERIA. A WEAK UPPER LEVEL DISTURBANCE MOVING ACROSS COLORADO IS EXPECTED TO RIDE THE H5 RIDGE AND BRING A CHANCE FOR A FEW SHOWERS AND THUNDERSTORMS TO THE AREA LATE TONIGHT AND INTO MONDAY. RELIEF FROM THE HEAT WILL BEGIN TO ARRIVE TUESDAY AS A COLD FRONT PASSES THROUGH THE REGION. WHILE SOME HEAT INDICES WILL STILL RISE TO AROUND 100 DEGREES WITH WARM AIR ADVECTION AHEAD OF THE FRONT IN SOUTHWEST IOWA AND EXTREME SOUTHEAST NEBRASKA...HIGH TEMPS IN NORTHEAST NEBRASKA WILL ONLY BE IN THE MID TO UPPER 80S. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO BE POSSIBLE ALONG THE FRONTAL BOUNDARY MONDAY EVENING THROUGH TUESDAY NIGHT. WITH PLENTY OF INSTABILITY AND DECENT SHEAR IN THE REGION...A FEW OF THESE STORMS COULD BECOME STRONG TO SEVERE MONDAY NIGHT. .LONG TERM...(WEDNESDAY NIGHT THROUGH SUNDAY) ISSUED AT 335 PM CDT SUN JUL 26 2015 COOLER TEMPERATURES WILL CONTINUE INTO THE EXTENDED PERIOD AS A RIDGE OF HIGH PRESSURE BUILDS OVER THE WESTERN HALF OF THE COUNTRY...LEAVING THE FORECAST AREA IN NORTHERLY FLOW. HIGH TEMPERATURES WILL REMAIN IN THE 80S THROUGH THE WEEKEND...SLIGHTLY BELOW CLIMO NORMS. A FEW PERIODS OF SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE WITH WEAK WAVES TRAVERSING THE RIDGE...ESPECIALLY AS WE HEAD INTO THE WEEKEND. && .AVIATION...(18Z TAFS FOR KOFK...KLNK AND KOMA.) ISSUED AT 1223 PM CDT SUN JUL 26 2015 VFR CONDITIONS ARE EXPECTED THRU THE FCST PD. && .OAX WATCHES/WARNINGS/ADVISORIES... NE...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR NEZ034-044-045- 050>053-065>068-078-088>093. IA...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR IAZ043-055-069-079- 080-090-091. && $$ SHORT TERM...KG LONG TERM...KG AVIATION...DEE

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