HAZARDOUS WEATHER OUTLOOK
Issue Date: 100 PM CST SUN DEC 20 2009
Expiration: 600 AM CST MON DEC 21 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL
AND WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS.
.DAY ONE...THIS AFTERNOON AND TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
A COMPLEX STORM WILL BE DEVELOPING FOR THE MIDWEEK TIMEFRAME AND MUCH
UNCERTAINTY REMAINS ON THE TRACK...SPEED...AND HOW MUCH WARM AIR
WILL BE FED INTO THE SYSTEM. FORECASTS SHOULD BECOME MORE CERTAIN AS
THIS SYSTEM MOVES IN TO THE WEST COAST ON MONDAY.
PRECIPITATION MAY BEGIN AS EARLY AS TUESDAY IN THE FORM OF PATCHY
DRIZZLE...FREEZING DRIZZLE OR LIGHT SNOW AS MOISTURE AND WARMER AIR
START RETURNING WELL IN ADVANCE OF THE DEVELOPING STORM.
PRECIPITATION WILL BECOME MORE WIDESPREAD TUESDAY NIGHT THROUGH
WEDNESDAY NIGHT. INITIALLY...SLEET AND FREEZING RAIN MAY RESULT IN
SOME ICING ACROSS NORTHERN MISSOURI EARLY IN THE PERIOD...BUT A
GRADUAL TRANSITION TO RAIN IS EXPECTED ON WEDNESDAY AND WEDNESDAY
NIGHT AS WARMER AIR SURGES NORTH FROM THE GULF OF MEXICO.
THE CENTER OF STORM SYSTEM WILL LIKELY PASS OVER THE REGION EARLY
THURSDAY...WRAPPING MUCH COLDER AIR BACK INTO THE REGION AND QUICKLY
CHANGING RAIN OVER TO SNOW. SOME BURSTS OF HEAVIER SNOW MAY BE
POSSIBLE ALONG AND NORTHWEST OF THE STORM CENTER ON THURSDAY WITH
SEVERAL INCHES OF ACCUMULATION POSSIBLE. LIGHT SNOW AND FLURRIES MAY
CONTINUE ALL WAY INTO SATURDAY AS THE STORM SYSTEM LINGERS OVER THE
WESTERN GREAT LAKES. ANY ADDITIONAL ACCUMULATIONS AFTER THURSDAY ARE
NOT EXPECTED TO BE SIGNIFICANT AT THIS TIME.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
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