AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 634 AM EDT SUN SEP 22 2013 .SYNOPSIS... HIGH PRESSURE WILL EXTEND INTO THE REGION FOR THE FIRST HALF OF THE WEEK. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... HIGH PRESSURE CENTERED OVER THE WESTERN GREAT LAKES WILL CONTINUE TO BUILD SOUTHEAST INTO THE REGION THROUGH THE DAY. SOME CLOUDS ACROSS NORTHERN INDIANA MAY SPREAD INTO THE NORTHWEST ZONES EARLY THIS MORNING BUT THEN DISSIPATE WITH HEATING. OTHERWISE ONLY EXPECT A FEW DIURNAL CUMULUS AT MOST. MOS BLEND SEEMED REASONABLE AT MOST LOCATIONS FOR HIGHS. && .SHORT TERM /6 PM THIS EVENING THROUGH TUESDAY/... LOW LEVEL RIDGE AXIS WILL SLOWLY SLIDE EAST AS UPPER HEIGHTS BUILD. THIS WILL KEEP A VERY DRY AIR MASS IN PLACE. THUS THERE WILL BE GOOD RADIATIONAL COOLING CONDITIONS AT NIGHT. LOWS SHOULD BE SIMILAR BOTH NIGHTS WITH FORECAST TEMPERATURES ON THE COOL SIDE OF MOS. HOWEVER THERE WILL BE A GRADUAL MODERATING TREND TO HIGHS. STAYED ON THE COOL SIDE OF GUIDANCE ON MONDAY BUT THEN MOVED TOWARDS AN AVERAGE OF GUIDANCE VALUES FOR TUESDAY. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... MID LEVEL TROUGH WILL MOVE OUT OF THE CENTRAL PLAINS AND INTO THE OHIO VALLEY TUESDAY NIGHT AND WEDNESDAY. THIS WILL THEN PROGRESS SOUTHEAST AROUND A LARGE LOW OFF THE CANADIAN MARITIMES. SURFACE REFLECTION OF THIS SYSTEM WILL PASS WELL SOUTH OF THE FORECAST AREA. EASTERLY WINDS AROUND THE HIGH STILL CENTERED NORTH OF THE AREA SHOULD CONTINUE TO REPLENISH LOW LEVEL DRY AIR. NONETHELESS CANNOT RULE OUT A FEW MID LEVEL SHOWERS ACROSS THE FAR SOUTHERN COUNTIES LATE TUESDAY NIGHT INTO WEDNESDAY. THE CHANCE OF MEASUREABLE PRECIPITATION REMAINS QUITE LOW. HIGH PRESSURE AT THE SURFACE AND ALOFT WILL REASSERT THEMSELVES FOR THE END OF THE WEEK. TEMPERATURES WILL BE ABOVE NORMAL THROUGH THE PERIOD. && .AVIATION /12Z SUNDAY THROUGH THURSDAY/... -- Changed Discussion --HIGH PRESSURE WILL ALLOW FOR DRY CONDITIONS ACROSS THE TAF SITES THROUGH THE TAF PERIOD. CU WILL DEVELOP DURING THE DAYTIME HOURS AND THEN DISSIPATE THIS EVENING. EXPECT CLEAR SKIES ACROSS THE AREA TONIGHT WITH SOME MVFR FOG POSSIBLE AGAIN AT KLUK. OUTLOOK...NO SIGNIFICANT WEATHER IS EXPECTED AT THIS TIME.-- End Changed Discussion -- && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && $$ SYNOPSIS... NEAR TERM... SHORT TERM... LONG TERM... AVIATION...NOVAK
Posted on: Sun, 22 Sep 2013 14:01:39 +0000
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