Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS63 KOAX 282028 AFDOAX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 328 PM CDT TUE JUL 28 2015 .SHORT TERM...(TONIGHT THROUGH THURSDAY) ISSUED AT 325 PM CDT TUE JUL 28 2015 A COLD FRONT IS SLOWLY MAKING ITS WAY THROUGH THE REGION THIS AFTERNOON. CONDITIONS AHEAD OF THE FRONT REMAIN HOT AND HUMID...WITH HEAT INDICES NEAR 100 IN SOUTHEAST NEBRASKA AND AROUND 108 IN SOUTHWEST IOWA. BEHIND THE FRONT TEMPERATURES REMAIN IN THE LOW 80S AND MID 70S WITH DEWPOINTS MAINLY IN THE 50S AND 60S. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO REDEVELOP ACROSS SOUTHEAST NEBRASKA AND SOUTHWEST IOWA THIS EVENING. A FEW STORMS COULD BECOME STRONG TO SEVERE ACROSS SOUTHEASTERN NEBRASKA AND SOUTHWEST IOWA TONIGHT WHERE A REMNANT OUTFLOW BOUNDARY INTERSECTS THE COLD FRONT. STORMS IN THIS REGION WILL BE AIDED BY AN AXIS OF 2500+ J/KG OF INSTABILITY UNDER AN ERODING CAP AND AROUND 40KTS OF EFFECTIVE SHEAR. HEAVY RAIN WILL ALSO BE POSSIBLE WITH EVENING STORMS AS PWATS ARE CURRENTLY IN THE 1.9 TO 1.8 RANGE. STORMS SHOULD BE OUT OF THE REGION BY EARLY WEDNESDAY MORNING...POSSIBLY SOONER IF A SUFFICIENT COLD POOL IS ABLE TO DEVELOP...EVENTUALLY MAKING THEIR WAY INTO KANSAS AND MISSOURI. COOLER AND DRIER AIR WILL THEN ENCOMPASS THE FORECAST AREA TONIGHT AND THROUGHOUT THE DAY WEDNESDAY WITH HIGHS IN THE MID 80S AND CLEAR SKIES OVERHEAD. FLOW WILL TAKE ON A MORE SOUTHERLY COMPONENT THURSDAY BRINGING SLIGHTLY WARMER AIR TO THE REGION. .LONG TERM...(THURSDAY NIGHT THROUGH TUESDAY) ISSUED AT 325 PM CDT TUE JUL 28 2015 TEMPERATURES WILL REMAIN SEASONABLE THROUGH THE END OF THE WEEK...WITH SLIGHTLY BELOW NORMAL TEMPERATURES TO START NEXT WEEK. A RIDGE OF HIGH PRESSURE WILL REMAIN OVER THE SOUTHWEST PORTION OF THE COUNTRY WITH LOW PRESSURE OFF TO OUR NORTHEAST. PRECIP CHANCES WILL RETURN THIS WEEKEND WITH WEAK DISTURBANCES MOVING THROUGH THE REGION...WITH THE BEST CHANCE FOR PRECIP ARRIVING EARLY NEXT WEEK. && .AVIATION...(18Z TAFS FOR KOFK...KLNK AND KOMA.) ISSUED AT 1232 PM CDT TUE JUL 28 2015 COLD FRONT IS BRINGING A WIND SHIFT TO THE TAF SITES...AS WELL AS A CHANCE OF SHOWERS/STORMS AT KOMA/KLNK THIS AFTERNOON. FRONT IS THROUGH KOFK...WITH NORTHWEST WINDS THAT WILL SLACKEN TONIGHT. SHOWERS/STORMS SHOULD MOVE/EXPAND INTO THE VICINITY OF KOMA AND KLNK LATER THIS AFTERNOON. STILL A LITTLE LOW ON CONFIDENCE OF COVERAGE...BUT TOOK A BEST SHOT OF WHEN SHOWERS/STORMS WOULD AFFECT EACH SITE. AS THE FRONT MOVES THROUGH...WINDS WILL TURN TO NORTHWEST AT KOMA/KLNK AND CHANCE OF SHOWERS/STORMS WILL SHIFT TO THE SOUTH AND AWAY FROM TAF SITES...LEAVING VFR CONDITIONS FOR THE REST OF THE TAF CYCLE. && .OAX WATCHES/WARNINGS/ADVISORIES... NE...NONE. IA...NONE. && $$ SHORT TERM...KG LONG TERM...KG AVIATION...MAYES

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.