Area Forecast Discussion
Issued by NWS Cleveland, OH

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000
FXUS61 KCLE 221929
AFDCLE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CLEVELAND OH
329 PM EDT WED OCT 22 2014

.SYNOPSIS...
UPPER LEVEL LOW PRESSURE OVER PENNSYLVANIA WILL SLOWLY MOVE TO NEAR
CAPE COD BY FRIDAY WHILE A RIDGE OF HIGH PRESSURE OVER ILLINOIS
SPREADS UP THE OHIO VALLEY. A WEAK COLD FRONT WILL MOVE SOUTHEAST
ACROSS THE AREA LATE SATURDAY THEN HIGH PRESSURE OVER THE PLAINS
WILL MOVE OVER THE REGION SUNDAY BEFORE SHIFTING TO THE EAST COAST
MONDAY. ANOTHER COLD FRONT WILL MOVE EAST ACROSS THE AREA LATE
TUESDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
SURFACE LOW PRESSURE NOW OFF OF THE EAST COAST WITH AN EXPANSIVE
CLOUD SHIELD OVER THE UPPER OHIO VALLEY. DRYING TO THE NORTH
ACROSS ONTARIO HAS BEEN SLOW TO WORK INTO THE AREA BUT SHOULD MAKE
BETTER PROGRESS THE FIRST PART OF TONIGHT...ALLOWING CLEARING OR
PARTIALLY CLEARING IN NW OHIO. MIST/DRIZZLE WAS STILL BEING
REPORTED MIDDAY FROM MANSFIELD TO MARION. WILL CONTINUE TO
MENTION THE DRIZZLE FOR A FEW MORE HOURS INTO THIS EVENING. CLOUD
COVER ACROSS THE EAST WILL TEND TO STAY PUT LONGER WITH A FEED OF
MOISTURE FROM THE NORTHEAST. SOME PATCHY FOG POSSIBLE. KEPT CLOSE
TO MOS GUID FOR LOWS TO NIGHT ACROSS THE I-75 CORRIDOR...BUT
ELSEWHERE SLIGHTLY WARMER WILL WHAT WILL BE LIKELY STUBBORN CLOUD
COVER. BREAKS/CLEARING EXPECTED CLOSER TO MORNING.

&&

.SHORT TERM /THURSDAY THROUGH SATURDAY NIGHT/...
MUCH MORE IN THE WAY OF SUN THURSDAY AS THE RIDGE ACROSS THE
MIDWEST INCHES CLOSER. HIGHS IN THE 50S.

UPPER LOW OFF THE EAST COAST WILL PULL AWAY QUICKER LATE THURSDAY
THROUGH FRIDAY. THE UPPER RIDGE ACROSS THE OHIO VALLEY WILL GET
FLATTENED BY A SHORTWAVE MOVING ACROSS THE GREAT LAKES FRIDAY
MORNING. WILL KEEP FORECAST DRY AND JUST BRING SOME MID/HIGH
CLOUDS ACROSS THE REGION. LOW PRESSURE WILL MOVE FROM HUDSON BY TO
NEW ENGLAND SATURDAY AND TAKE A WEAK COLD FRONT ACROSS NRN OH/NW
PA. SYSTEM MAY HAVE ENOUGH MOISTURE TO SQUEEZE OUT SOME LIGHT
SHOWERS FOR FAR NE OH/NW PA ON SATURDAY...BUT CHANCES ARE LOW.

WE WILL HAVE WEDGE OF RELATIVELY WARMER AIR FRIDAY TO SATURDAY AND
HAVE ALLOWED TEMPERATURES TO REACH UPPER 50S/LOWER 60S FRIDAY AND
LOW/MID 60S FOR SATURDAY. AM HOPEFUL THAT SATURDAY WILL WARM THAT
WELL...BUT THAT WEAK COLD FRONT WILL BE SLIPPING THROUGH.

&&

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
THE EXTENDED FORECAST HAS A WEAK WEATHER DISTURBANCE EXITING OUR
EASTERN THIRD OF OUR FORECAST AREA EARLY SUNDAY. A HIGH PRESSURE
RIDGE BUILDS ACROSS THE FORECAST AREA SUNDAY AND MONDAY. ON TUESDAY
A SHORT WAVE APPROACHES FROM THE WEST AND WILL BRING A CHANCE OF
PRECIPITATION MOSTLY IN THE AFTERNOON FROM WEST TO EAST.

TEMPERATURES NEAR NORMAL DURING THE PERIOD.

&&

.AVIATION /18Z WEDNESDAY THROUGH MONDAY/...
LOOK FOR GRADUAL CLEARING THIS AFTERNOON THRU THE EVENING HOURS
AS HIGH PRESSURE SLOWLY MOVES IN THE FORECAST AREA FROM THE WEST.

CLEARING SKIES OVERNIGHT COULD YIELD SOME PATCHY FOG BY MORNING.
HOWEVER THE DEW POINTS SHOULD DROP ENOUGH THAT THE FOG SHOULD NOT
BE WIDESPREAD.

WINDS OVER LAND AREAS GENERALLY 10 TO 15 KNOTS...AND 5 KNOTS OR
LESS TONIGHT.

.OUTLOOK...NON VFR EXTREME NE OH/NW PA SATURDAY EVENING INTO
SUNDAY.

&&

.MARINE...
THE BRISK NORTH WIND WILL BEGIN TO DIMINISH THIS EVENING AND
THE REMAINING SMALL CRAFT CONDITIONS WILL GRADUALLY SUBSIDE
LATER TONIGHT AND EARLY THURSDAY MORNING. A SURFACE HIGH PRESSURE
WILL BUILD INTO THE FORECAST AREA TONIGHT AND THURSDAY.

A WEAKENING COLD FRONT WILL SLIDE ACROSS THE EASTERN GREAT LAKES ON
FRIDAY. WINDS AND WAVES WILL LIKELY CONTINUE TO DECREASE AS THE
PRESSURE GRADIENT BECOMES WEAKER. A STRONGER COLD FRONT IS EXPECTED
TO CROSS THE GREAT LAKES ON SATURDAY. THIS WILL RESULT IN AN
INCREASE IN WINDS AND WAVES ON SATURDAY AND A SMALL CRAFT ADVISORY
WILL LIKELY BE NEEDED AGAIN BY THE WEEKEND.

&&

.CLE WATCHES/WARNINGS/ADVISORIES...
OH...NONE.
PA...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 10 AM EDT THURSDAY FOR LEZ144>149.
     SMALL CRAFT ADVISORY UNTIL 10 PM EDT THIS EVENING FOR LEZ142-
     143.

&&

$$
SYNOPSIS...OUDEMAN
NEAR TERM...OUDEMAN
SHORT TERM...OUDEMAN
LONG TERM...BC
AVIATION...BC
MARINE...BC






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