FXUS61 KILN 160901
AFDILN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
401 AM EST WED DEC 16 2009
.SYNOPSIS...
HIGH PRESSURE WILL PROVIDE DRY CONDITIONS THROUGH FRIDAY. TEMPERATURES
WILL INCREASE SOMEWHAT BY FRIDAY AS THE HIGH MOVES FROM THE OHIO
VALLEY TO THE ATLANTIC COAST. A TROUGH OF LOW PRESSURE WILL BRING
A CHANCE OF SNOW SHOWERS FOR THE WEEKEND.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
HIGH PRESSURE CENTERED OVER ILLINOIS EARLY THIS MORNING WILL MOVE
SLOWLY EAST TO BE CENTERED OVER INDIANA BY THIS EVENING. THIS WILL
BRING SUNNY AND COLD WEATHER. HIGHS WILL BE IN THE UPPER 20S NORTH
UP TO THE MID 30S SOUTH...ABOUT 8 DEGREES BELOW NORMAL.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY/...
THE HIGH WILL MOVE EAST TO THE APPALACHIANS BY THURSDAY
NIGHT...CONTINUING THE PERIOD OF DRY WEATHER. CLOUDS WILL INCREASE
BY FRIDAY AHEAD OF WEAK LOW PRESSURE PROGGED TO DEVELOP OVER
ILLINOIS. TEMPERATURES WILL ALSO INCREASE AS A SOUTHERLY FLOW
DEVELOPS...BUT WARMING WILL BE HAMPERED BY THE CLOUD COVER.
THEREFORE...KEPT TEMPERATURES BELOW MAV GUIDANCE...WITH HIGHS
REACHING NEAR NORMAL VALUES AROUND 40.
&&
.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
WITH GFS AND ECMWF IN FAIR AGREEMENT WITH REGARDS TO AN UPPER
DISTURBANCE AND AN ASSOCIATED INVERTED TROUGH AT THE
SURFACE...THERE WILL BE A CHANCE OF SNOW SHOWERS FRIDAY NIGHT AND
SATURDAY. MINOR ACCUMULATIONS WILL BE POSSIBLE...THOUGH THE LACK
OF DEEPER MOISTURE SHOULD PREVENT A MORE SIGNIFICANT SNOWFALL FROM
OCCURRING.
SEVERAL WEAK DISTURBANCES WILL CONTINUE TO ROTATE AROUND MEAN
EASTERN NOAM TROUGH INTO EARLY NEXT WEEK. NONE OF THESE POSE A
SIGNIFICANT PRECIP THREAT...BUT KEPT SLIGHT CHANCE POPS GOING
THROUGH MOST OF THE EXTENDED SINCE THIS PATTERN WOULD SUGGEST OFF
AND ON LIGHT SNOW SHOWERS. NORTHERLY FLOW SHOULD ALSO KEEP PARTLY
TO MOSTLY CLOUDY SKIES IN PLACE WITH TEMPS WELL BELOW AVG.
&&
.AVIATION /09Z WEDNESDAY THROUGH SUNDAY/...
MVFR CLOUDS ARE BREAKING UP AND EXPECT ALL CLOUDS TO CLEAR TAF SITES
WITHIN NEXT FEW HOURS. VFR CONDITIONS WILL PREVAIL WITH SFC HIGH
PRESSURE BUILDING INTO THE REGION THROUGH THE TAF PERIOD WITH MAINLY
CLEAR SKIES EXPECTED.
OUTLOOK...NO SIGNIFICANT WEATHER IS EXPECTED.
&&
.ILN WATCHES/WARNINGS/ADVISORIES...
OH...NONE.
KY...NONE.
IN...NONE.
&&
$$
SYNOPSIS...CONIGLIO
NEAR TERM...CONIGLIO
SHORT TERM...CONIGLIO
LONG TERM...CONIGLIO/HAWBLITZEL
AVIATION...AR
