Sunday, January 9, 2011

First call on snowfall Monday night- Tuesday

We have to wait and see where the heaviest snows will set up but I still looks to me more a 3-5" snow along and north of 1-64 in KY. 2-4" of snow elsewhere. I believe we will see light snow later Monday that will dust the ground but we really will get on the action overnight Monday through the day Tuesday. Winds will increase in the afternoon and snow rastios will also. Also to mentioned southern areas of the state will see couple of inches of snow Monday. Winter weather advisories down state Monday and winter storm watches NE counties of KY Tuesday- Wednesday am right now. Here what NWS is says for the region

MONDAY NIGHT THROUGH WEDNESDAY NIGHT...

...ACCUMULATING SNOWS ON TAP FOR MONDAY NIGHT THROUGH TUESDAY NIGHT
ACROSS SOUTHERN INDIANA AND CENTRAL KENTUCKY...

ACTIVE WEATHER PATTERN IS EXPECTED ACROSS THE OHIO VALLEY FROM
MONDAY NIGHT THROUGH WEDNESDAY NIGHT AS A FAIRLY HEALTHY MID-LEVEL
WAVE APPROACHES FROM THE NORTHWEST.  AS THIS OCCURS...SFC
CYCLOGENESIS WILL OCCUR SOMEWHERE OVER CENTRAL TENNESSEE WITH THE
LOW THEN MOVING NORTHEAST INTO EASTERN KENTUCKY.  WITH RESPECT TO
THE MODEL SOLUTIONS...BOTH DETERMINISTIC AND ENSEMBLE MODEL
SOLUTIONS HAVE TRENDED SLIGHTLY STRONGER WITH THE UPPER LEVEL
WAVE...WHICH HAS RESULT IN SLIGHTLY COOLER AND WETTER SOLUTIONS FOR
PORTIONS OF OUR FORECAST AREA.

AS FOR SPECIFICS...LIGHT SNOWS ARE EXPECTED TO DEVELOP TO OUR WEST
MONDAY AFTERNOON AND EVENING AND THEN GRADUALLY SPREAD EASTWARD
ACROSS SOUTHERN INDIANA AND CENTRAL KENTUCKY MONDAY NIGHT.  THE MAIN
BULK OF THE SNOW WILL LIKELY AFFECT OUR REGION OVER AN 18-24 HOUR
PERIOD FROM ABOUT 06Z TUESDAY THROUGH 00Z WEDNESDAY.  GIVEN THE
RECENT TRENDS IN THE SFC LOW TRACK...IT APPEARS THAT THE HEAVIEST
SNOW WILL LIKELY FALL ACROSS OUR NORTHWEST AND NORTHERN SECTIONS OF
THE FORECAST AREA...NORTH OF THE BLUEGRASS AND WESTERN KY PARKWAYS
IN KENTUCKY.  LIGHT TO MODERATE SNOW SHOULD BE IN PROGRESS BY RUSH
HOUR TUESDAY...BUT RUSH HOUR WILL LIKELY BE A SLOW GO.  LIGHT TO
MODERATE SNOW IS EXPECTED TO CONTINUE THROUGH MUCH OF THE DAY BUT
THEN BEGIN TO LIFT NORTHEASTWARD OUT OF THE AREA BY LATE TUESDAY
AFTERNOON AS THE SFC LOW LIFTS NORTHEASTWARD.  WRAP AROUND MOISTURE
AND COLD NORTHWEST FLOW...ALONG WITH STRONG COOLING ALOFT IS LIKELY
TO SUPPORT ADDITIONAL SNOW SHOWERS OR SNOW SQUALLS TUESDAY NIGHT AND
INTO WEDNESDAY.  OVERALL PRECIPITATION COVERAGE WILL GRADUALLY
DECREASE IN SIZE TUESDAY NIGHT...WITH THE NORTHEASTERN HALF SEEING
THE BEST SHOTS OF ADDITIONAL ACCUMULATION IN THE TUE NIGHT-WED TIME
FRAME.  AS THE SYSTEM CONTINUES TO MOVE OFF THE NE WEDNESDAY
NIGHT...SNOW SHOWER ACTIVITY WILL QUICKLY COME TO AND END.

BASED ON THE LATEST FORECASTS...SNOWFALL IS EXPECTED TO FALL OVER AN
EXTENDED PERIOD OF TIME.  SNOWFALL ACCUMULATIONS FROM MONDAY NIGHT
THROUGH TUESDAY NIGHT WILL LIKELY RANGE FROM 1-2 INCHES FROM THE
KY/TN BORDER NORTH TO THE WKY AND BG PARKWAYS.  3-4 INCHES WILL BE
POSSIBLE IN AREAS OF NORTH-CENTRAL AND EAST CENTRAL KY LOCATED
BETWEEN THE OHIO RIVER AND THE PARKWAYS.  UP TO 4 INCHES WITH
LOCALLY HIGHER AMOUNTS OF SNOW SEEMS LIKELY IN AREAS NORTH OF THE
OHIO RIVER ACROSS SOUTHERN INDIANA...MAINLY NORTH OF I-64.
ADDITIONAL SNOWFALL WILL BE LIKELY ACROSS THE BLUEGRASS REGION
TUESDAY NIGHT AND WEDNESDAY.  SOME ADJUSTMENT OF THESE
AMOUNTS...EITHER UPWARD OR DOWNWARD MAY BE REQUIRED IN SUBSEQUENT
FORECASTS SHOULD THE FORECAST TRACK OF THIS STORM CHANGE.  SINCE THE
FORECAST AMOUNTS OF SNOW ARE OVER AN EXTENDED PERIOD...WE ARE GOING
TO HOLD OFF ON ANY HEADLINES FOR THE THIRD-FOURTH PERIOD.  SHOULD
SUBSEQUENT FORECASTS INDICATE THE ABOVE MENTIONED AMOUNTS...WINTER
WEATHER ADVISORIES WILL LIKELY BE NEEDED. AN UPDATED SPECIAL WEATHER
STATEMENT WILL BE ISSUED WITH FORECAST PACKAGE TO COVER THE ABOVE
MENTIONED IDEAS.

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