BLIZZARD WARNING
Warning Issue Date: 913 PM CST TUE DEC 08 2009
...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY...
...WINTER STORM WARNING HAS EXPIRED...
THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A BLIZZARD
WARNING REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY.
* SHORT TERM TRENDS: AREAS OF MODERATE TO HEAVY SNOWFALL WITH
RATES OF 1 TO 2 INCHES PER HOUR CAN BE EXPECTED THROUGH MIDNIGHT
ACROSS MUCH OF CENTRAL IOWA. A BACK EDGE TO THE HEAVIEST SNOW
WILL MOVE THROUGH THE REGION SOUTH TO NORTH AFTER MIDNIGHT...BUT
LIGHT TO MODERATE SNOWFALL IS ANTICIPATED TO CONTINUE THROUGH AT
LEAST 6 AM FOR MOST OF THE AREA. AN ADDITIONAL 4 TO 8 INCHES OF
SNOW IS POSSIBLE BY 6 AM WEDNESDAY. WINDS WILL ALSO BE
INCREASING OUT OF THE NORTH TO NORTHEAST GUSTING TO 35 TO 40 MPH
AND CREATING BLIZZARD CONDITIONS ACROSS AREAS WEST OF INTERSTATE
35 BY MIDNIGHT. THESE HIGHER WINDS WILL MIGRATE EAST ACROSS ALL
OF CENTRAL IOWA BY 6 AM.
* STORM TOTAL ACCUMULATIONS: SNOW ACCUMULATIONS OF 10 TO 16
INCHES ARE ANTICIPATED FOR MUCH OF CENTRAL IOWA. THE BEST
THREAT FOR RECEIVING OVER A FOOT OF SNOW IS GENERALLY
SOUTHEAST OF A LINE FROM DENISON TO ALGONA AND NORTHWEST OF A
LINE FROM BEDFORD TO GRINNELL. ISOLATED AMOUNTS UP TO 18
INCHES ARE POSSIBLE IN THIS CORRIDOR.
* WINDS/VISIBILITY: NORTHEAST TO NORTH WINDS AT 15 TO 30 MPH WITH
LOCAL GUSTS TO 45 MPH ARE EXPECTED THROUGH MIDNIGHT...BEFORE
SHIFTING TO THE NORTH TO NORTHWEST AND STEADILY INCREASING
THROUGH 6 AM. WIND SPEEDS OF 25 TO 35 MPH...WITH GUSTS GREATER
THAN 50 MPH ARE EXPECTED OVERNIGHT INTO WEDNESDAY...PRODUCING
VISIBILITY LESS THAN ONE QUARTER OF A MILE WITH WHITE OUT
CONDITIONS AT TIMES.
* IMPACTS: SIGNIFICANT TRAVEL RESTRICTIONS ARE EXPECTED WITH
THIS DANGEROUS WINTER STORM...AND WILL LIKELY BECOME
IMPOSSIBLE IN MANY LOCATIONS. IN ADDITION TO THE HEAVY SNOW
ACCUMULATING ON ROADWAYS...VERY STRONG NORTH TO NORTHWEST
WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING OF SNOW AND
WHITEOUT CONDITIONS LATE TONIGHT INTO WEDNESDAY...LEADING TO
THE POTENTIAL FOR MAJOR TRAVEL IMPACTS AND ROAD CLOSURES. SNOW
DRIFTS OF 8 TO 15 FEET ARE POSSIBLE BY WEDNESDAY. THE
POTENTIAL FOR POWER OUTAGES EXIST AS WELL WITH THE VERY STRONG
WINDS. WIND CHILL READINGS ON WEDNESDAY WILL RANGE FROM 10 TO
20 BELOW ZERO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.
$$
MOYER
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