HAZARDOUS WEATHER OUTLOOK Issue Date: 1005 PM EST WED DEC 23 2009 Expiration: 600 AM EST THU DEC 24 2009 Expires:200912241100;;
FLUS43 KGRR 240300
HWOGRR
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
955 PM EST WED DEC 23 2009
LMZ844>849-MIZ037>040-043>046-050>052-056>059-064>067-071>074-241100-
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-MASON-LAKE-
OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-
GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-
VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
955 PM EST WED DEC 23 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.
.DAY ONE...TONIGHT
AN AREA OF SLEET AND FREEZING RAIN WILL LIFT NORTH INTO SOUTHWEST
LOWER MICHIGAN...MAINLY IMPACTING THE LAKESHORE COUNTIES AND
KALAMAZOO COUNTY. UP TO A TENTH OF AN INCH OF ICE COULD ACCUMULATE
ON SURFACES. UNTREATED SURFACES COULD BECOME SLICK. A WINTER
WEATHER ADVISORY HAS BEEN POSTED UNTIL 9 AM THURSDAY FOR THIS
SITUATION.
FURTHER INLAND ANY PRECIPITATION IS EXPECTED TO BE BRIEF.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
FREEZING RAIN AND SLEET COULD PERSIST FOR THE EARLY MORNING HOURS ON
THURSDAY ALONG THE LAKESHORE.
FREEZING RAIN COULD ICE UP THE ROADS ON THURSDAY NIGHT. THE ICING
THREAT WILL PERSIST INTO FRIDAY NORTH OF A LINE FROM MOUNT
PLEASANT TO BIG RAPIDS. IN THIS AREA...ENOUGH ICE COULD BUILD UP
TO BRING DOWN SOME TREE LIMBS BY FRIDAY MORNING.
GALES ARE EXPECTED ON LAKE MICHIGAN THURSDAY AFTERNOON THROUGH
FRIDAY EVENING.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.
$$ WINTER WEATHER ADVISORY Issue Date: 950 PM EST WED DEC 23 2009 Expiration: 900 AM EST THU DEC 24 2009 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM EST THURSDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN AND SLEET...WHICH IS IN EFFECT
UNTIL 9 AM EST THURSDAY. A WINTER STORM WATCH ALSO REMAINS IN
EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON.
* PERIODS OF LIGHT FREEZING RAIN WILL PERSIST OVERNIGHT ALONG THE
LAKE SHORE. SOME SLEET MAY MIX IN WITH THE FREEZING RAIN.
* ICE ACCUMULATION LESS THAN A TENTH OF AN INCH EXPECTED TONIGHT.
* GENERALLY DRY WEATHER IS EXPECTED FROM MID MORNING THROUGH LATE
AFTERNOON THURSDAY. AT THAT TIME ANOTHER MORE SIGNIFICANT ROUND OF
FREEZING RAIN AND SLEET IS EXPECTED TO BEGIN OVER THE LAKE
SHORE COUNTIES. THE PROGRESSION EASTWARD SHOULD BE VERY SLOW.
AREAS NEAR U.S. 131 SHOULD BEGIN TO SEE THE WINTRY MIX THROUGH
THE EVENING. THEN AREAS EAST OF U.S. 131 WILL FINALLY SEE THE
PRECIPITATION MOVE IN AFTER MIDNIGHT.
* AREAS NORTH OF A WHITEHALL TO ALMA LINE WILL SEE THE GREATEST
THREAT FOR FREEZING RAIN AND ICE ACCUMULATION THURSDAY NIGHT. AREAS
SOUTH OF THIS LINE WILL LIKELY SEE THE FREEZING RAIN CHANGE TO
RAIN CHRISTMAS MORNING.
* EASTERLY WINDS COULD GUST TO 30 MPH.
IMPACTS...
* LAW ENFORCEMENT REPORTS I-196 IS VERY ICY WITH NUMEROUS
ACCIDENTS. US-31 WILL BECOME ICY TONIGHT AS THE FREEZING RAIN
SLOWLY MOVES NORTH.
* HOLIDAY TRAVEL AFTER NIGHTFALL ON CHRISTMAS EVE INTO
CHRISTMAS DAY COULD BECOME IMPACTED. ROADWAYS AND SIDEWALKS
COULD BECOME ICE COVERED AND SLIPPERY.
* ICE COATED TREES AND GUSTY WINDS OVER 30 MPH COULD LEAD TO
DOWNED TREE LIMBS AND SCATTERED POWER OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
* A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE...BUT NOT IMMINENT. AT THIS TIME... THERE IS A
POTENTIAL FOR SIGNIFICANT ICE ACCUMULATIONS. FUTURE DRIVING
AND WALKING CONDITIONS MAY BECOME HAZARDOUS... SO IT IS
IMPORTANT TO MONITOR THE LATEST FORECASTS.
* A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET MEANS
PERIODS OF FREEZING RAIN AND SLEET ARE IMMINENT OR OCCURRING.
FREEZING RAIN AND SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY
DANGEROUS...SO BE PREPARED TO USE CAUTION WHEN TRAVELING.
$$ WINTER STORM WATCH Issue Date: 414 PM EST TUE DEC 22 2009 Expiration: 500 PM EST FRI DEC 25 2009 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY AFTERNOON.
HAZARDOUS WEATHER...
* AROUND A QUARTER INCH OF ICE ACCUMULATION IS POSSIBLE.
* FREEZING RAIN AND SLEET ARE EXPECTED TO BEGIN LATE THURSDAY
AFTERNOON ACROSS WESTERN LOWER MICHIGAN AND CONTINUE INTO
CHRISTMAS DAY. WARMER AIR IS EXPECTED TO SPREAD NORTH CHRISTMAS
MORNING AND CHANGE THE WINTRY MIX TO RAIN.
* THE CHANGE TO RAIN IS EXPECTED ACROSS AREAS SOUTH OF INTERSTATE
96 BY MID CHRISTMAS MORNING. AREAS SOUTH OF M-20 COULD SEE THE
PRECIPITATION CHANGE TO RAIN TOWARD NOON. MEANWHILE...AREAS
NORTH OF M-20 COULD SEE FREEZING RAIN AND SLEET PERSIST
THROUGH MUCH OF CHRISTMAS DAY.
* EASTERLY WINDS COULD GUST TO 30 MPH.
IMPACTS...
* HOLIDAY TRAVEL AFTER NIGHTFALL ON CHRISTMAS EVE INTO CHRISTMAS
DAY COULD BECOME IMPACTED. SECONDARY ROADS AND SIDEWALKS COULD
BECOME ICE COVERED AND SLIPPERY.
* ICE COATED TREES AND WINDS TO 30 MPH COULD LEAD TO DOWNED TREE
LIMBS AND SCATTERED POWER OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
* A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE...BUT NOT IMMINENT. AT THIS TIME... THERE IS A
POTENTIAL FOR SIGNIFICANT ICE ACCUMULATIONS. FUTURE DRIVING
AND WALKING CONDITIONS MAY BECOME HAZARDOUS... SO IT IS
IMPORTANT TO MONITOR THE LATEST FORECASTS.
$$
JK
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