Hazardous Weather Potential

Ted Jacobson skywarn at frognet.net
Wed Dec 30 07:24:46 EST 2009


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
356 AM EST WED DEC 30 2009

WIND BLOWN SNOW SHOWERS THURSDAY NIGHT THROUGH THE WEEKEND...
MAY REQUIRE WINTER WEATHER ADVISORIES.

ALSO...THE COMBINATION OF THE WIND AND COLD MAY REQUIRE
SOME WIND CHILL ADVISORIES SATURDAY INTO MONDAY.

...SYNOPSIS...

CLOUDS WILL BE INCREASING TODAY IN ADVANCE OF A STORM SYSTEM.
THIS SYSTEM WILL BRING PRECIPITATION TONIGHT. THE PRECIPITATION
WILL MAINLY BE RAIN IN THE SOUTHERN LOWLANDS OF WEST VIRGINIA AND
NORTHEAST KENTUCKY...WITH A RAIN SNOW MIX POSSIBLE NORTH OF THIS
REGION AND IN THE WV MOUNTAINS. SOME FREEZING RAIN CAN NOT BE
RULED OUT ON THE EASTERN SLOPES OF THE WV MOUNTAINS.

ON THURSDAY...THE DEEPER MOISTURE QUICKLY EXITS TO OUR NORTHEAST.
HOWEVER...MORE IMPULSES REACH US LATE IN THE DAY.

A COLD FRONT WILL LIKELY SWING THROUGH DURING NEW YEARS EVE...BEFORE
THE BALL DROPS IN THE BIG APPLE. THIS COLDER AIR WILL RESULT IN A
WINTRY MIXTURE EARLY...WITH THE PRECIPITATION CHANGING TO ALL SNOW
SHOWERS BEFORE DAWN ON NEW YEARS DAY.

A STRENGTHENING LOW PRESSURE STORM SYSTEM OFF THE NORTHEAST COAST
WILL KEEP VERY COLD AIR AND ACCUMULATING SNOW SHOWERS OVER THE
AREA...THROUGH THE LONG HOLIDAY WEEKEND.

THE COLD AIR SHOULD STILL BE HERE...AS WE HEAD BACK TO WORK AND
SCHOOL ON MONDAY.

SO BE PREPARED FOR AN EXTENDED COLD WAVE...
AS WE START OFF THE NEW YEAR.
_________________________

TABULAR FORECAST SOUTHEAST OHIO
NATIONAL WEATHER SERVICE CHARLESTON WV
437 AM EST WED DEC 30 2009

ROWS INCLUDE...
DAILY PREDOMINANT DAYTIME WEATHER 6AM-6PM
FORECAST TEMPERATURES...EARLY MORNING LOW/DAYTIME HIGH
PROBABILITY OF PRECIPITATION NIGHTTIME 6PM-6AM/DAYTIME 6AM-6PM

FCST     FCST     FCST     FCST     FCST     FCST     FCST
TODAY    THU      FRI      SAT      SUN      MON      TUE
DEC 30   DEC 31   JAN 01   JAN 02   JAN 03   JAN 04   JAN 05
======   ======   ======   ======   ======   ======   ======
MOCLDY   RNSNOW   CLOUDY   MOCLDY   PTCLDY   MOCLDY   MOCLDY
--/41    34/41    27/28    17/22    13/21    13/25    13/28
--/20    90/80    60/40    40/30    20/10    10/20    20/20

---------------------------------------------------------------------
Ohio Road 'Snow Emergency' Levels defined:
http://www.weathersafety.ohio.gov/SnowEmergencyClassifications.aspx

Winter Storm Watch/Warning Criteria Changes (NWS Charleston WV)
http://climate.athens.oh.us/criteria.txt

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