Alert archive / Michigan / Winter Storm Warnings in 2008

Winter Storm Warning 9, NWS Grand Rapids, MI

December 8, 200811 counties in Michigan

NWS Grand Rapids, MI issued this winter storm warning at Dec 8, 2008, 3:44 PM EST for 11 counties in Michigan. It took effect at Dec 8, 2008, 7:00 PM EST. It was in force for 30 hr. 48 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 8, 2008, 3:44 PM EST (20:44 UTC)
In effect from
Dec 8, 2008, 7:00 PM EST
Expired
Dec 10, 2008, 1:00 AM EST
In force
30 hr
Issued by
NWS Grand Rapids, MI

Counties Clare County, MI, Gratiot County, MI, Isabella County, MI, Lake County, MI, Mason County, MI, Mecosta County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI

The radar

The Grand Rapids radar (KGRR), 85 km from the middle of the area, began a volume at 20:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 8, 9:30 PM ESTSNOW 1.63 Wsw Hart, MITHIS IS THE SNOW FALL SINCE THE START TIME AT 5 PM EST.
Dec 8, 10:00 PM ESTSNOW 1.81 Sse Big Rapids, MITHIS IS A TOTAL SINCE THE BEGINNING AT 5 PM. THE SNOW DEPTH WAS 7.5 INCHES.
Dec 8, 10:45 PM ESTSNOW 2.51 Ne Mount Pleasant, MITHIS IS THE TOTAL SNOW FOR THE CURRENT SYSTEM. THE SNOW DEPTH WAS 7.5 INCHES.
Dec 8, 11:30 PM ESTSNOW 2Breckenridge, MITOTAL SNOWFALL SINCE BEGINNING AT 6 PM EST. THE SNOW DEPTH WAS 6.5 INCHES.
Dec 9, 5:28 AM ESTSNOW 4N Muskegon, MISNOWFALL TOTAL FROM 5 PM MONDAY THROUGH 5 AM TUESDAY.
Dec 9, 5:41 AM ESTSNOW 5Scottville, MISNOWFALL TOTAL FROM 5 PM MONDAY THROUGH 5 AM TUESDAY.
Dec 9, 5:41 AM ESTHEAVY SNOW 8Lake, MISNOWFALL TOTAL FROM 5 PM MONDAY THROUGH 5 AM TUESDAY.
Dec 9, 5:48 AM ESTSNOW 5White Cloud, MISNOWFALL FROM 530 PM MONDAY THROUGH 3 AM TUESDAY. SNOW DEPTH 14 INCHES.
Dec 9, 6:19 AM ESTSNOW 3Breckenridge, MISNOWFALL FROM 6 PM MONDAY THROUGH 6 AM TUESDAY. SNOW DEPTH 7 INCHES.
Dec 9, 6:37 AM ESTSNOW 6Rodney, MI12 HOUR SNOWFALL TOTAL.
Dec 9, 6:37 AM ESTSNOW 6.55 N Mears, MI12 HOUR SNOWFALL TOTAL.
Dec 9, 6:37 AM ESTSNOW 7Paris, MI12 HOUR SNOWFALL TOTAL.
Dec 9, 7:12 AM ESTSNOW 5.1Hart, MI24 HOUR SNOWFALL ENDING AT 7 AM. SNOW DEPTH 14 INCHES.
Dec 9, 7:21 AM ESTSNOW 5.5Big Rapids, MIBIG RAPIDS WATER PLANT SNOWFALL BEGINNING 5 PM MONDAY AND ENDING AT 7 AM TUESDAY. SNOW DEPTH 9 INCHES.
Dec 9, 7:21 AM ESTSNOW 5.8Scottville, MI24 HOUR SNOWFALL ENDING AT 7 AM. SNOW DEPTH 20 INCHES.
Dec 9, 7:31 AM ESTSNOW 8.4Hersey, MISNOWFALL FROM 6 PM MONDAY THROUGH 7 AM TUESDAY. SNOW DEPTH 14 INCHES.
Dec 9, 7:48 AM ESTSNOW 2.5Wnw Greenville, MISNOWFALL FROM 5 PM MONDAY THROUGH 7 AM TUESDAY. SNOW DEPTH 5 INCHES.
Dec 9, 8:26 AM ESTSNOW 4.5Fremont, MI24 HOUR SNOWFALL ENDING AT 7 AM. SNOW DEPTH 14 INCHES.
Dec 9, 8:45 AM ESTSNOW 7Harrison, MISNOWFALL TOTAL FROM 7 PM MONDAY THROUGH 830 AM TUESDAY.
Dec 9, 8:52 AM ESTSNOW 53 Ssw Walkerville, MISNOWFALL FROM 10 PM MONDAY THROUGH 840 AM TUESDAY. SNOW DEPTH 19 INCHES.
Dec 9, 9:07 AM ESTSNOW 3.5Grant, MI24 HOUR SNOWFALL ENDING AT 9 AM. SNOW DEPTH 11 INCHES.
Dec 9, 9:41 AM ESTSNOW 6.21 Ne Mount Pleasant, MI24 HOUR SNOWFALL ENDING AT 930 AM. SNOW DEPTH 11 INCHES.
Dec 9, 11:32 AM ESTSNOW 2.3Hart, MISNOWFALL FROM 7 AM THROUGH 11 AM TUESDAY.
Dec 9, 11:57 AM ESTSNOW 74 S Weidman, MI24 HOUR SNOWFALL ENDING AT 1130 AM. SNOW DEPTH 11 INCHES
Dec 9, 11:57 AM ESTSNOW 7Big Rapids, MI24 HOUR SNOWFALL ENDING AT 11 AM.
Dec 9, 12:17 PM ESTSNOW 6.8Baldwin, MI24 HOUR SNOWFALL ENDING AT 7 AM. SNOW DEPTH 17 INCHES.
Dec 9, 12:45 PM ESTSNOW 10Freesoil, MISTORM TOTAL SNOWFALL. REPORT COURTESY OF TV 9 AND 10.
Dec 9, 1:38 PM ESTSNOW 3.11 Sse Big Rapids, MISNOWFALL FROM 9 AM THROUGH 130 PM. STORM TOTAL SNOW OF 9.1 INCHES. SNOW DEPTH 14 INCHES.
Dec 9, 2:09 PM ESTSNOW 2.7Big Rapids, MISNOWFALL FROM NOON UNTIL 2 PM TUESDAY.
Dec 9, 2:11 PM ESTSNOW 12Reed City, MI24 HOUR SNOWFALL ENDING AT 1 PM.
Dec 9, 3:27 PM ESTSNOW 104 Nne Lakewood Club, MITHIS IS THE STORM TOTAL SNOWFALL SINCE YESTERDAY EVENING IN BLUE LAKE TOWNSHIP. THE CURRENT SNOW DEPTH IS 22 INCHES.
Dec 9, 3:45 PM ESTSNOW 10Big Rapids, MITHIS IS THE STORM TOTAL SNOWFALL SINCE YESTERDAY EVENING. THE CURRENT SNOW DEPTH IS 15.5 INCHES.
Dec 9, 4:00 PM ESTSNOW 9.13 Wsw Hart, MITHIS IS THE STORM TOTAL SNOWFALL SINCE 5PM YESTERDAY. THE OBSERVER REPORTED 4.0 INCHES HAS FALLEN SINCE 7AM THIS MORNING.
Dec 9, 5:00 PM ESTSNOW 9.51 Ne Mount Pleasant, MITHIS IS THE STORM TOTAL SNOWFALL SINCE YESTERDAY EVENING. THE CURRENT SNOW DEPTH IS BETWEEN 13 AND 14 INCHES.
Dec 9, 5:00 PM ESTSNOW 104 S Weidman, MITHIS IS THE STORM TOTAL SNOWFALL SINCE YESTERDAY AFTERNOON. THREE INCHES OF SNOW FELL FROM NOON TO 5PM TODAY. THE CURRENT SNOW DEPTH IS 10.0 INCHES.
Dec 9, 5:00 PM ESTSNOW 111 Ne Ferry, MITHIS IS THE STORM TOTAL SNOWFALL SINCE LAST NIGHT. THE CURRENT SNOW DEPTH RANGES FROM 25 TO 28 INCHES.
Dec 9, 6:00 PM ESTSNOW 8Mount Pleasant, MITHIS IS A 24 HOUR TOTAL FROM 6PM YESTERDAY TO 6PM THIS EVENING. THE SNOW DEPTH AT 6PM WAS 11.0 INCHES.
Dec 9, 6:31 PM ESTSNOW 49 E White Cloud, MITHIS IS THE SNOWFALL TOTAL FROM 615AM TODAY TO 630PM THIS EVENING.
Dec 9, 6:45 PM ESTSNOW 10.81 Sse Big Rapids, MITHIS IS THE STORM TOTAL SNOWFALL SINCE 5PM YESTERDAY. THE CURRENT SNOW DEPTH IS 15 INCHES.
Dec 9, 7:00 PM ESTSNOW 3.84 Sse Muskegon, MITHIS IS THE SNOWFALL FROM 7PM MONDAY TO 7PM TONIGHT. THE CURRENT SNOW DEPTH IS APPROXIMATLEY 12.3 INCHES.
Dec 9, 7:30 PM ESTSNOW 13.5Harrison, MITHIS IS THE SNOWFALL TOTAL FROM 730PM MONDAY TO 730PM TONIGHT.
Dec 9, 8:10 PM ESTSNOW 16Freesoil, MITHIS IS THE STORM TOTAL SNOWFALL SINCE YESTERDAY. SIX INCHES FELL FROM NOON TO 530PM TODAY.
Dec 9, 8:15 PM ESTSNOW 124 S Baldwin, MITHIS IS THE STORM TOTAL SNOWFALL SINCE YESTERDAY.
Dec 9, 8:31 PM ESTSNOW 10Hesperia, MITHIS IS AN ESTIMATED STORM TOTAL SNOWFALL SINCE YESTERDAY.
Dec 9, 8:40 PM ESTSNOW 7S Lakeview, MITHIS IS THE ESTIMATED STORM TOTAL SNOWFALL. THE CURRENT DEPTH IS ESTIMATED TO BE 12.0 INCHES.
Dec 9, 9:30 PM ESTSNOW 10.23 Wsw Hart, MITHIS IS THE STORM TOTAL SNOWFALL THROUGH 930PM.
Dec 9, 10:30 PM ESTSNOW 11.51 Ne Mount Pleasant, MITHIS IS THE STORM TOTAL SNOWFALL SINCE YESTERDAY. THE CURRENT SNOW DEPTH IS FROM 14 TO 15 INCHES.
Dec 10, 1:00 AM ESTSNOW 13Farwell, MISTORM TOTAL SNOWFALL ENDING AT 100 AM. SNOW BEGAN AT 530 PM ON THE 8TH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.7 hours before the alert went out and 199 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2008-12-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2008-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 280 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
933 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
280 m²/s²
0-3 km storm-relative helicity
479 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KGRR 082044
WSWGRR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
344 PM EST MON DEC 8 2008

...WINTRY MIX OF PRECIPITATION EXPECTED LATE THIS AFTERNOON INTO
TUESDAY EVENING...

.A MIXTURE OF PRECIPITATION WILL MOVE INTO SOUTHWEST LOWER
MICHIGAN LATE THIS AFTERNOON AND EVENING. A MIX OF SNOW...SLEET
AND FREEZING RAIN WILL DEVELOP...MAKING TRAVEL CONDITIONS
HAZARDOUS. THE PRECIPITATION WILL BE MAINLY FREEZING RAIN IN THE
SOUTH TOWARD INTERSTATE 94 THIS EVENING...WITH SNOW TO THE NORTH
TOWARD U.S. 10. HEAVY SNOW IS EXPECTED ACROSS CENTRAL LOWER
MICHIGAN...WITH LESSER AMOUNTS TOWARD THE INTERSTATE 96 CORRIDOR.
6 TO 10 INCHES OF SNOW IS POSSIBLE ACROSS CENTRAL LOWER MICHIGAN
WITH LOCALLY HIGHER AMOUNTS POSSIBLE BY TUESDAY EVENING. THE
INTERSTATE 96 CORRIDOR WILL SEE LESS IN THE WAY OF SNOW...ON THE
ORDER OF 2 TO 6 INCHES. FREEZING RAIN MAY ACCUMULATE TO AROUND A
TENTH OF AN INCH ALONG AND SOUTH OF INTERSTATE 96.

MIZ037>040-043>046-050>052-090445-
/O.UPG.KGRR.WS.A.0013.081209T0000Z-081210T1200Z/
/O.NEW.KGRR.WS.W.0009.081209T0000Z-081210T0600Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GREENVILLE...ALMA
344 PM EST MON DEC 8 2008

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 1 AM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT
FROM 7 PM THIS EVENING TO 1 AM EST WEDNESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT. 

SNOW WILL SPREAD INTO THE WARNING AREA THIS EVENING BECOMING HEAVY
AT TIMES AFTER DARK. SNOW IS EXPECTED TO ACCUMULATE TO 6 TO 10
INCHES BY TUESDAY EVENING. LOCALLY HIGHER AMOUNTS ARE
POSSIBLE...ESPECIALLY ALONG U.S. 10 CORRIDOR FROM BALDWIN EAST TO
HARRISON AND CLARE. 

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

MIZ056>059-090445-
/O.UPG.KGRR.WS.A.0013.081209T0000Z-081210T1200Z/
/O.NEW.KGRR.WW.Y.0015.081209T0000Z-081210T0600Z/
OTTAWA-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS
344 PM EST MON DEC 8 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
1 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A WINTER
WEATHER ADVISORY FOR A MIXTURE OF SNOW...SLEET AND FREEZING
RAIN...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 1 AM EST
WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

A MIXTURE OF SNOW...SLEET AND FREEZING RAIN WILL DEVELOP THIS
EVENING. SNOW MAY ACCUMULATE TO AN INCH OR TWO TONIGHT...WITH
ADDITIONAL ACCUMULATION OF SNOW ON TUESDAY. TOTAL SNOWFALL BY
TUESDAY EVENING COULD REACH THE 3 TO 6 INCH RANGE...ESPECIALLY
NORTH OF INTERSTATE 96 FROM ROCKFORD EAST THROUGH BELDING AND ST.
JOHNS. THE MIXTURE OF PRECIPITATION WILL CAUSE HAZARDOUS TRAVEL
CONDITIONS BOTH TONIGHT AND ON TUESDAY.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

MIZ064>067-071>074-090445-
/O.CON.KGRR.ZR.Y.0003.081208T2100Z-081209T1500Z/
ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...HOLLAND...HASTINGS...CHARLOTTE...
LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...JACKSON
344 PM EST MON DEC 8 2008

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
TUESDAY...

FREEZING RAIN CAN BE EXPECTED THIS EVENING AND OVERNIGHT...MIXING
AT TIMES WITH SOME SLEET. THE FREEZING RAIN MAY RESULT IN A LIGHT
COATING OF ICE...ON THE ORDER OF A TENTH OF AN INCH. IT ONLY TAKES
A SMALL AMOUNT OF ICE ACCUMULATION TO RESULT IN TRAVEL
DIFFICULTIES SO IF TRAVELLING TONIGHT USE CAUTION.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$

DUKE
6 follow-up statements
000 
WWUS43 KGRR 090308
WSWGRR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1008 PM EST MON DEC 8 2008

...WINTRY MIX OF PRECIPITATION OVERNIGHT INTO TUESDAY EVENING...

.A MIXTURE OF PRECIPITATION WILL CONTINUE TO DEVELOP ACROSS 
SOUTHERN LOWER MICHIGAN OVERNIGHT. PRECIPITATION WILL BE MAINLY
IN THE FORM OF FREEZING RAIN GRADUALLY TRANSITIONING TO RAIN LATE
TONIGHT SOUTH TOWARD INTERSTATE 94. A WINTERY MIX OF SNOW... SLEET
AND FREEZING RAIN WILL CONTINUE OVERNIGHT NEAR THE INTERSTATE 96
CORRIDOR AND ALL SNOW IS ANTICIPATED NORTH TOWARD ROUTE 10. 

HEAVY SNOW IS EXPECTED ACROSS CENTRAL LOWER MICHIGAN...WITH LESSER
AMOUNTS TOWARD THE INTERSTATE 96 CORRIDOR. 6 TO 10 INCHES OF SNOW
IS POSSIBLE ACROSS CENTRAL LOWER MICHIGAN WITH LOCALLY HIGHER
AMOUNTS POSSIBLE BY TUESDAY EVENING. THE INTERSTATE 96 CORRIDOR
WILL SEE LESS IN THE WAY OF SNOW...ON THE ORDER OF 2 TO 6 INCHES.
FREEZING RAIN MAY ACCUMULATE TO AROUND A TENTH OF AN INCH ALONG
AND SOUTH OF INTERSTATE 96.

MIZ037>040-043>046-050>052-091115-
/O.CON.KGRR.WS.W.0009.000000T0000Z-081210T0600Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GREENVILLE...ALMA
1008 PM EST MON DEC 8 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...

SNOW WILL BECOME HEAVIER AT TIMES OVERNIGHT AND TUESDAY. SNOW IS
EXPECTED TO ACCUMULATE TO 6 TO 10 INCHES BY TUESDAY EVENING.
LOCALLY HIGHER AMOUNTS ARE POSSIBLE...ESPECIALLY ALONG THE ROUTE
10 CORRIDOR FROM BALDWIN EAST TO HARRISON AND CLARE.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

MIZ064>067-071>074-091115-
/O.CON.KGRR.ZR.Y.0003.000000T0000Z-081209T1500Z/
ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...HOLLAND...HASTINGS...CHARLOTTE...
LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...JACKSON
1008 PM EST MON DEC 8 2008

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
TUESDAY...

FREEZING RAIN WILL CONTINUE THROUGH THE LATE EVENING HOURS AND
WILL BE MIXED AT TIMES WITH SLEET. THE FREEZING RAIN COULD RESULT
IN A LIGHT COATING OF ICE... ON THE ORDER OF A TENTH OF AN INCH.
IT ONLY TAKES A SMALL AMOUNT OF ICE ACCUMULATION TO RESULT IN VERY
HAZARDOUS TRAVEL CONDITIONS. 

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$

MIZ056>059-091115-
/O.CON.KGRR.WW.Y.0015.000000T0000Z-081210T0600Z/
OTTAWA-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS
1008 PM EST MON DEC 8 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...

A MIXTURE OF SNOW...SLEET AND FREEZING RAIN WILL CONTINUE TO 
DEVELOP OVERNIGHT. SNOW MAY ACCUMULATE TO AN INCH OR TWO 
OVERNIGHT... WITH ADDITIONAL ACCUMULATION OF SNOW ON TUESDAY.
TOTAL SNOWFALL BY TUESDAY EVENING COULD REACH THE 3 TO 6 INCH
RANGE...ESPECIALLY NORTH OF INTERSTATE 96 FROM ROCKFORD EAST
THROUGH BELDING AND ST. JOHNS. THE MIXTURE OF PRECIPITATION WILL
CAUSE HAZARDOUS TRAVEL CONDITIONS BOTH TONIGHT AND ON TUESDAY.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

LAURENS
000 
WWUS43 KGRR 090851
WSWGRR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
351 AM EST TUE DEC 9 2008

...WINTRY MIX OF PRECIPITATION TODAY...

.A LOW PRESSURE SYSTEM CENTERED OVER NORTHERN MISSOURI EARLY THIS
MORNING WILL BRING A WINTERY MIX OF PRECIPITATION TO OUR AREA TODAY.
MODERATE TO HEAVY SNOW IS ANTICIPATED ACROSS CENTRAL AND NORTH
CENTRAL LOWER MICHIGAN... MAINLY NORTH OF GRAND RAPIDS. STORM TOTAL
SNOWFALL AMOUNTS OF 6 TO 12 INCHES ARE POSSIBLE NORTH OF GRAND
RAPIDS BY LATE THIS EVENING. 

THE INTERSTATE 96 CORRIDOR WILL SEE MIXED PRECIPITATION THIS MORNING
THAT COULD ACTUALLY CHANGE OVER TO A BRIEF PERIOD OF PLAIN RAIN. HOWEVER
THE MIXED PRECIPITATION WILL CHANGE BACK TO SNOW BY MID TO LATE
AFTERNOON. DUE TO THE MIXED PRECIPITATION ISSUES THERE IS POTENTIAL
FOR A LARGE RANGE OF STORM TOTAL SNOW ACCUMULATIONS ACROSS THE ADVISORY
AREA... FROM AROUND 2 INCHES SOUTH TO 6 TO 8 INCHES ACROSS THE NORTHERN
PORTION OF IT.


MIZ064>067-071>074-091000-
/O.CAN.KGRR.ZR.Y.0003.000000T0000Z-081209T1500Z/
ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...HOLLAND...HASTINGS...CHARLOTTE...
LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...JACKSON
351 AM EST TUE DEC 9 2008

...FREEZING RAIN ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
FREEZING RAIN ADVISORY. 

TEMPERATURES HAVE MODERATED TO ABOVE FREEZING ACROSS THE ADVISORY AREA.
THEREFORE THE FREEZING RAIN ADVISORY HAS BEEN CANCELLED. 

$$

MIZ037>040-043>046-050>052-091700-
/O.CON.KGRR.WS.W.0009.000000T0000Z-081210T0600Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GREENVILLE...ALMA
351 AM EST TUE DEC 9 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...

MODERATE TO HEAVY SNOW IS ANTICIPATED TODAY WITH STORM TOTAL
SNOW ACCUMULATIONS OF 6 TO 12 INCHES BY LATE THIS EVENING. THIS
WILL RESULT IN VERY HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

MIZ056>059-091700-
/O.CON.KGRR.WW.Y.0015.000000T0000Z-081210T0600Z/
OTTAWA-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS
351 AM EST TUE DEC 9 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...

A WINTERY MIX OF PRECIPITATION OF SNOW... SLEET... FREEZING RAIN
AND EVEN PLAIN RAIN FOR A BRIEF PERIOD IS ANTICIPATED THIS MORNING
INTO THE EARLY AFTERNOON. HOWEVER PRECIPITATION WILL CHANGE BACK 
OVER TO SNOW BY MID TO LATE AFTERNOON AND SNOW COULD INCREASE IN 
INTENSITY BY THEN. THIS WILL RESULT IN HAZARDOUS TRAVEL CONDITIONS
THROUGH TONIGHT.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

LAURENS
000 
WWUS43 KGRR 091643
WSWGRR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1143 AM EST TUE DEC 9 2008

...MORE SNOW ON THE WAY FOR CENTRAL LOWER MICHIGAN...

.A FRONTAL BOUNDARY STRETCHES FROM NEAR GRAND HAVEN NORTHEAST TO
ALMA AT MIDDAY. MAINLY SNOW WAS OCCURRING NORTH OF THIS LINE...WITH
RAIN AND FOG TO THE SOUTH. THROUGH THE COURSE OF THE AFTERNOON AND
EVENING THE FRONT WILL SLIP SOUTHEAST TOWARD DETROIT...CHANGING
THE PRECIPITATION OVER TO SNOW. THE WARNING AREA WILL LIKELY SEE
ANOTHER 2 TO 4 INCHES OF SNOW AS A HEAVIER BURST OF SNOW WORKS
THROUGH THE AREA THIS AFTERNOON BEFORE ENDING. STORM TOTAL
SNOWFALL OVER MUCH OF THE WARNING AREA WILL BE IN THE 6 TO 12 INCH
RANGE.

THE WINTER WEATHER ADVISORY COUNTIES WILL SEE A SWITCH OVER TO
SNOW THIS AFTERNOON AND EARLY EVENING AS THE COLDER AIR MOVES
SOUTHWARD. THE ADVISORY COUNTIES MAY SEE A BURST OF AN INCH OR TWO
OF ADDITIONAL SNOW BEFORE ENDING. 


MIZ037>040-043>046-050>052-100045-
/O.CON.KGRR.WS.W.0009.000000T0000Z-081210T0600Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GREENVILLE...ALMA
1143 AM EST TUE DEC 9 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...

HEAVY SNOW IS EXPECTED TO CONTINUE INTO THE AFTERNOON HOURS BEFORE
ENDING THIS EVENING. ANOTHER 2 TO 4 INCHES OF SNOW IS POSSIBLE
THIS AFTERNOON...PUSHING STORM TOTAL SNOWFALL INTO THE 6 TO 12
INCH RANGE. AREAS FROM MUSKEGON EAST TO ALMA EXPERIENCING RAIN AT
MIDDAY SHOULD CHANGE OVER TO ALL SNOW THROUGH THE COURSE OF THE
EARLY AND MID AFTERNOON HOURS.

IF TRAVELLING IN THE WARNING AREA BE PREPARED TO ENCOUNTER SNOW
COVERED AND SLIPPERY ROADS. IN ADDITION...THE HEAVY SNOW WILL
LIKELY REDUCE VISIBILITIES TO AROUND A QUARTER OF A MILE AT TIMES.
IF YOU HAVE TO TRAVEL ALLOW SOME EXTRA TIME TO REACH YOUR
DESTINATION AS YOU WILL NEED TO REDUCE SPEED.

$$

MIZ056>059-100045-
/O.CON.KGRR.WW.Y.0015.000000T0000Z-081210T0600Z/
OTTAWA-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS
1143 AM EST TUE DEC 9 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...

RAIN WAS FALLING AT MIDDAY ACROSS THE ADVISORY COUNTIES FROM GRAND
HAVEN AND HOLLAND EAST THROUGH GRAND RAPIDS TO ST. JOHNS. THE RAIN
IS EXPECTED TO CHANGE OVER TO SNOW THIS AFTERNOON THOUGH AS A
HEAVIER BURST OF PRECIPITATION MOVES THROUGH THE AREA. A QUICK
INCH OR TWO OF SNOW IS POSSIBLE. TEMPERATURES TOWARDS EVENING ARE
EXPECTED TO SLIDE TO NEAR FREEZING SO SOME ICY SPOTS MAY REDEVELOP
ON AREA ROADWAYS DURING THE EVENING COMMUTE.

AFTER THE CHANGEOVER TO SNOW VISIBILITIES MAY BE REDUCED TO BELOW
A HALF MILE BY THE FALLING SNOW. ROADS MAY BECOME SLIPPERY ONCE
AGAIN. SO...USE CAUTION WHILE DRIVING AS WE HEAD TOWARD THE
EVENING COMMUTE.

$$

DUKE
000 
WWUS43 KGRR 092112
WSWGRR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
412 PM EST TUE DEC 9 2008

...SNOW TO CONTINUE THIS EVENING...

.A FRONTAL BOUNDARY STRETCHES FROM NEAR SOUTH HAVEN NORTHEAST TO
LANSING THIS AFTERNOON. MAINLY SNOW WAS OCCURRING NORTH OF THIS
LINE... WITH RAIN AND FOG TO THE SOUTH. THROUGH THE COURSE OF THE
EVENING THE FRONT WILL SLIP SOUTHEAST TOWARD DETROIT...CHANGING
THE PRECIPITATION OVER TO SNOW. THE WARNING AREA WILL LIKELY SEE
ANOTHER 1 TO 2 INCHES OF SNOW BEFORE ENDING. MANY STORM TOTAL
SNOWFALL AMOUNTS IN THE WARNING AREA WILL REACH THE 8 TO 12 INCH
RANGE.

THE WINTER WEATHER ADVISORY COUNTIES CONTINUE TO SEE A SWITCH
OVER TO SNOW THIS AFTERNOON AS THE COLDER AIR MOVES SOUTHWARD. THE
ADVISORY COUNTIES MAY SEE A BURST OF AN INCH OR SO OF ADDITIONAL
SNOW BEFORE ENDING.

MIZ037>040-043>046-050>052-100300-
/O.EXT.KGRR.WS.W.0009.000000T0000Z-081210T0300Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GREENVILLE...ALMA
412 PM EST TUE DEC 9 2008

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING. 

PERIODS OF SNOW WILL CONTINUE INTO THE EVENING HOURS BEFORE
ENDING. ANOTHER 1 TO 2 INCHES OF SNOW CAN BE EXPECTED BEFORE THE
SNOW TAPERS OFF AFTER DARK. STORM TOTAL SNOWFALL AMOUNTS IN THE
WINTER STORM WARNING WILL APPROACH A FOOT IN MANY AREAS.

IF TRAVELLING IN THE WARNING AREA BE PREPARED TO ENCOUNTER SNOW
COVERED AND SLIPPERY ROADS. IN ADDITION...THE HEAVY SNOW WILL
LIKELY REDUCE VISIBILITIES TO AROUND A QUARTER OF A MILE AT
TIMES. IF YOU HAVE TO TRAVEL ALLOW SOME EXTRA TIME TO REACH YOUR
DESTINATION AS YOU WILL NEED TO REDUCE SPEED.

$$

MIZ056>059-100300-
/O.EXT.KGRR.WW.Y.0015.000000T0000Z-081210T0300Z/
OTTAWA-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS
412 PM EST TUE DEC 9 2008

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING. 

A BURST OF HEAVIER SNOW CAN BE EXPECTED THIS EVENING BEFORE THE
SNOW ENDS. A QUICK INCH OR TWO IS NOT OUT OF THE QUESTION BY 800
TO 1000 PM. AS THE TEMPERATURE DROPS TO NEAR AND SLIGHTLY BELOW
FREEZING SLIPPERY ROADS MAY DEVELOP DURING THE COMMUTE HOME FROM
WORK OR SCHOOL.

AFTER THE CHANGEOVER TO SNOW VISIBILITIES MAY BE REDUCED TO BELOW
A HALF MILE BY THE FALLING SNOW. ROADS MAY BECOME SLIPPERY ONCE
AGAIN. SO...USE CAUTION WHILE DRIVING AS WE HEAD INTO THE
EVENING COMMUTE.

$$

DUKE
000 
WWUS43 KGRR 100110
WSWGRR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
810 PM EST TUE DEC 9 2008

...SNOW TO CONTINUE THIS EVENING...

.A FRONTAL BOUNDARY STRETCHES ALONG INTERSTATE 94 THIS EVENING. 
MAINLY SNOW WAS OCCURRING NORTH OF THIS LINE... WITH FREEZING RAIN
AND SNOW TO THE SOUTH. THROUGH THE COURSE OF THE EVENING THE
FRONT WILL SLIP SOUTHEAST TOWARD INDIANA...CHANGING THE
PRECIPITATION OVER TO SNOW. MUCH OF THE REGION WILL SEE 1 TO 3
INCHES OF SNOW THIS EVENING. MANY STORM TOTAL SNOWFALL AMOUNTS IN THE
WARNING AREA WILL REACH THE 8 TO 12 INCH RANGE.

THE WINTER WEATHER ADVISORY HAS BEEN EXPANDED SOUTH AS THE SNOW
WILL PERSIST THROUGH MIDNIGHT WITH SEVERAL INCHES POSSIBLE.

MIZ037>040-043>046-050>052-100600-
/O.EXT.KGRR.WS.W.0009.000000T0000Z-081210T0600Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GREENVILLE...ALMA
810 PM EST TUE DEC 9 2008

...WINTER STORM WARNING NOW IN EFFECT UNTIL 1 AM EST WEDNESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 1 AM EST
WEDNESDAY. 

PERIODS OF SNOW WILL CONTINUE INTO THE EVENING HOURS BEFORE
ENDING. ANOTHER 1 TO 3 INCHES OF SNOW CAN BE EXPECTED BEFORE THE
SNOW TAPERS OFF BY MIDNIGHT. STORM TOTAL SNOWFALL AMOUNTS IN THE
WINTER STORM WARNING WILL APPROACH A FOOT IN MANY AREAS.

IF TRAVELLING IN THE WARNING AREA BE PREPARED TO ENCOUNTER SNOW
COVERED AND SLIPPERY ROADS. IN ADDITION...THE HEAVY SNOW WILL
LIKELY REDUCE VISIBILITIES TO AROUND A QUARTER OF A MILE AT
TIMES. IF YOU HAVE TO TRAVEL ALLOW SOME EXTRA TIME TO REACH YOUR
DESTINATION AS YOU WILL NEED TO REDUCE SPEED.

$$

MIZ064>067-071>074-100800-
/O.EXB.KGRR.WW.Y.0015.000000T0000Z-081210T0800Z/
ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...HOLLAND...HASTINGS...CHARLOTTE...
LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...JACKSON
810 PM EST TUE DEC 9 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND FREEZING RAIN...WHICH
IS IN EFFECT UNTIL 3 AM EST WEDNESDAY.

A PERIOD OF SNOW IS EXPECTED THIS EVENING. SOME FREEZING RAIN IS
POSSIBLE PRIOR TO 11 PM. THE SNOW WILL TAPER OFF FROM NORTH TO
SOUTH AFTER MIDNIGHT. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE
EXPECTED TONIGHT. AS THE TEMPERATURE DROPS TO NEAR AND SLIGHTLY BELOW
FREEZING SLIPPERY ROADS WILL LIKELY DEVELOP. 

MOTORISTS SHOULD BE PREPARED FOR WINTER LIKE TRAVEL CONDITIONS.  SLOW
DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.


$$

MIZ056>059-100600-
/O.EXT.KGRR.WW.Y.0015.000000T0000Z-081210T0600Z/
OTTAWA-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS
810 PM EST TUE DEC 9 2008

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 AM EST
WEDNESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 1 AM EST
WEDNESDAY. 

A BURST OF HEAVIER SNOW CAN BE EXPECTED THIS EVENING BEFORE THE
SNOW ENDS. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED. AS THE
TEMPERATURE DROPS TO NEAR AND SLIGHTLY BELOW FREEZING SLIPPERY
ROADS ARE LIKELY.

MOTORISTS SHOULD BE PREPARED FOR WINTER LIKE TRAVEL CONDITIONS.  SLOW
DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.


$$
000 
WWUS43 KGRR 100606
WSWGRR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
106 AM EST WED DEC 10 2008


MIZ037>040-043>046-050>052-100715-
/O.EXP.KGRR.WS.W.0009.000000T0000Z-081210T0600Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GREENVILLE...ALMA
106 AM EST WED DEC 10 2008

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

RADAR AND SURFACE OBSERVATIONS SHOW THAT THE LAST OF THE LINGERING
SNOW SHOWERS ARE COMING TO AN END. THEREFORE THE WINTER STORM WARNING
IS NO LONGER IN EFFECT.

$$

MIZ064>067-071>074-100715-
/O.CAN.KGRR.WW.Y.0015.000000T0000Z-081210T0800Z/
ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...HOLLAND...HASTINGS...CHARLOTTE...
LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...JACKSON
106 AM EST WED DEC 10 2008

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

RADAR AND SURFACE OBSERVATIONS SHOW THAT THE LAST OF THE LINGERING
SNOW SHOWERS ARE COMING TO AN END. THEREFORE THE WINTER WEATHER
ADVISORY HAS BEEN CANCELLED. 

$$

MIZ056>059-100715-
/O.EXP.KGRR.WW.Y.0015.000000T0000Z-081210T0600Z/
OTTAWA-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS
106 AM EST WED DEC 10 2008

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

RADAR AND SURFACE OBSERVATIONS SHOW THAT THE LAST OF THE LINGERING
SNOW SHOWERS ARE COMING TO AN END. THEREFORE THE WINTER WEATHER
ADVISORY IS NO LONGER IN EFFECT. 

$$

LAURENS

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Rapids, MI wrote its last area forecast discussion before this winter storm warning went out at Dec 8, 1:55 PM EST, 1 hour 49 minutes earlier.

Area forecast discussion, Dec 8, 1:55 PM EST, 1 hour 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
155 PM EST MON DEC 8 2008

LATEST UPDATE...LONG TERM...

.SYNOPSIS...(400 AM EST MON DEC 8 2008)
MAINLY DRY WEATHER IS ANTICIPATED THIS MORNING INTO THE AFTERNOON.
HOWEVER THERE IS POTENTIAL FOR LIGHT FREEZING RAIN TO DEVELOP SOUTH
OF INTERSTATE 96 BY LATE AFTERNOON. FREEZING RAIN COULD DEVELOP
FURTHER NORTH INTO THE INTERSTATE 96 CORRIDOR TONIGHT AS WARMER AIR
ADVECTS IN ALOFT OVER SURFACE TEMPERATURES STILL BELOW FREEZING.
THIS COULD RESULT IN LIGHT TO MODERATE ICING MAINLY FROM INTERSTATE
96 SOUTHWARD OVERNIGHT.

A DEVELOPING LOW PRESSURE SYSTEM MOVING NORTHEAST FROM THE SOUTHERN
PLAINS STATES WILL TAP A GREAT DEAL OF GULF MOISTURE AND BRING MIXED
PRECIPITATION TO OUR AREA TUESDAY. THERE IS POTENTIAL FOR SOME
SIGNIFICANT SNOW ACCUMULATIONS FROM THIS SYSTEM NORTH OF GRAND
RAPIDS. MORE COLD WEATHER AND SOME LAKE EFFECT SNOW SHOWERS ARE
ANTICIPATED BEHIND THAT SYSTEM ON WEDNESDAY.

&&

.SHORT TERM...(400 AM EST MON DEC 8 2008)
(TODAY THROUGH TUESDAY NIGHT)

CURRENT SFC ANALYSIS SHOWS A WARM FRONT MOVING NORTH THROUGH
CENTRAL ILLINOIS AND INDIANA. SOUTH FLOW LIFTING OVER THE BOUNDARY
AS RESULTED IN A BAND OF PCPN STRETCHING FROM NW ILLINOIS SOUTHEAST
TO SRN OHIO. EXPECT THIS PCPN TO CONTINUE TO MOVE SLOWLY NORTH
RESULTING IN SOME FREEZING RAIN AND SLEET DEVELOPING ACROSS THE
SOUTHERN CWA. DECIDED TO KEEP THE ADVISORY AS IS. PCPN ACROSS THE
SRN CWA WILL BECOME RAIN TUESDAY MORNING AS THE SFC LOW PUMPS WARMER
AIR INTO THE SOUTHERN PORTION OF LOWER MICHIGAN.

AS FOR THE LOW PRESSURE SYSTEM TUESDAY... A CONSIDERABLE AMOUNT OF
UNCERTAINTY STILL EXISTS REGARDING THE EXACT TRACK AND STRENGTH OF
THE LOW. IT IS ALSO STILL QUITE POSSIBLE THAT SEVERAL LOW PRESSURE
WAVES WILL TRACK NORTHEAST INTO OUR REGION (RATHER THAN A SINGULAR
MORE VIGOROUS LOW PRESSURE SYSTEM).

ONE THING THAT IS CERTAIN HOWEVER IS THAT THE SYSTEM AS A WHOLE WILL
TAP A TREMENDOUS AMOUNT OF GULF MOISTURE DUE TO PERSISTENTLY STRONG
SOUTHERLY FLOW OFF THE GULF FROM 12Z MON THROUGH TUE EVENING.

WITH GENERAL GUIDANCE TRENDS PULLING THE WARMER AIR FURTHER NORTH...
IT IS POSSIBLE THAT PCPN COULD ACTUALLY GO OVER TO PLAIN RAIN
TUESDAY ACROSS AT LEAST THE SOUTHERN PART OF OUR CWFA. HOWEVER THIS
NOTION IS COUNTER-BALANCED BY THE FACT THAT WITH ALL THE SNOW ON THE
GROUND... BOUNDARY LAYER TEMPS COULD BE A BIT COLDER THAN WHAT
GUIDANCE SUGGESTS TUESDAY. I BELIEVE MAX GUIDANCE MAX TEMPS TUESDAY
ARE TOO MILD AND STRONGLY PREFER COLDER 2-METER TEMP FCST PROFILES.

I BELIEVE WE ALSO NEED TO BE COGNIZANT OF POTENTIAL FOR FOG TUESDAY
AS SOUTHEASTERLY FLOW ADVECTS HIGHER DEW PT AIR INTO OUR CWFA AND AS
RAIN AND MELTING OF SNOW OCCURS ACROSS OUR SOUTHERN CWFA. THIS
POTENTIAL FOR FOG DEVELOPMENT SHOULD REACH AS FAR NORTH AS OUR
CENTRAL CWFA... BUT I AM NOT AS CONCERNED ABOUT FOG POTENTIAL UP
NORTH. WE HAVE ADDED FOG TO THE APPROPRIATE NDFD GRIDS TO ACCOUNT
FOR THIS.

ANY RAIN OR MIXED PCPN ISSUES SHOULD END BY TUESDAY EVENING AS WE
GET INTO NORTHERLY FLOW CAA ON THE BACK SIDE OF THE SYSTEM. RATHER
SIGNIFICANT SNOW IS CERTAINLY POSSIBLE TUESDAY EVENING GIVEN THE
MAGNITUDE OF MID LEVEL FRONTOGENETICAL FORCING AND F-VECTOR
CONVERGENCE ORIENTED SW TO NE ACROSS OUR CWFA (AS INDICATED BY 00Z
GFS GUIDANCE).

WE HAVE DECIDED TO LEAVE THE WINTER STORM WATCH HEADLINE UNCHANGED
AT THIS TIME FOR POTENTIAL OF SNOW AND FZRA. FEEL IT IS WISER TO
ALLOW DAY SHIFT TO MAKE WARNING/ADVISORY DECISIONS BASED ON ALL THE
LATEST DATA AND MODEL TRENDS. WE ARE HOWEVER PROACTIVELY GETTING THE
FZRA ADVISORY INFO OUT DUE TO THE ESCALATING POTENTIAL FOR THAT LATE
THIS AFTN/TONIGHT. IT SHOULD ALSO BE STRESSED THAT POTENTIAL FOR
HIGHER END SNOW ACCUMS IS SHIFTING FURTHER NORTH... WITH AN
INCREASING RISK OF FZRA MONDAY NIGHT ACROSS THE SOUTHERN THIRD OF
LWR MI.

&&

.LONG TERM...(155 PM EST MON DEC 8 2008)
(WEDNESDAY THROUGH MONDAY)
AGREE WITH PREVIOUS DISCUSSION THAT LAKE EFFECT SNOWFALL SHOULD BE
MINIMAL WEDNESDAY BEHIND THE DEPARTING SYSTEM...THANKS TO RAPIDLY
APPROACHING ANTICYCLONIC FLOW.

MODELS REMAIN IN FAIRLY GOOD AGREEMENT REGARDING A CLIPPER THAT
SHOULD BRING ENHANCED SNOW CHANCES ON THURSDAY...PARTICULARLY TO THE
NORTHERN CWFA. HAVE LEFT CHANCES FOR SNOW NEAR THE LAKESHORE INTO
THURSDAY NIGHT...ALTHOUGH RECENT MODEL RUNS SUGGEST AN EARLIER EXIT
TO THIS SYSTEM.

THERE HAS BEEN A CONSISTENT WARMING TREND WITH THE MODELS DURING THE
END OF THIS WORK WEEK AND INTO THE WEEKEND. THE CHANCES FOR
PRECIPITATION ARE IMPROVING SUNDAY AND MONDAY AS A DEVELOPING LOW
PRESSURE SYSTEM SHOULD APPROACH FROM THE SOUTHWEST. THE TRACK OF
THIS LOW IS TRENDING FARTHER N...MEANING THAT LOWER MI WOULD BE IN
THE WARM SECTOR WITH A CORRESPONDINGLY WARM LOWER TROPOSPHERE. AGREE
WITH THE PREVIOUS DISCUSSION THAT THIS MAY WELL END UP BEING A RAIN
EVENT. FOR NOW...HAVE MENTIONED A RAIN/FREEZING RAIN COMBINATION IN
THE FORECASTS BASED ON POTENTIALLY COLD NEAR-SURFACE TEMPERATURES.
OF COURSE...THIS IS A HIGHLY UNCERTAIN FORECAST SO FAR OUT...AND IT
WILL BE VERY SUBJECT TO CHANGE.

&&

.MARINE...(400 AM EST MON DEC 8 2008)
SSE WINDS OF 10 TO 20 KTS WILL RESULT IN WAVES IN THE SMALL CRAFT
ADVISORY RANGE TODAY THROUGH TUESDAY. STRONG NORTH TO NORTHWEST WINDS
WILL RESULT IN HIGH WAVE HEIGHTS TUESDAY NIGHT THROUGH MIDWEEK AS
WELL.

&&

.AVIATION...(1146 AM EST MON DEC 8 2008)
VFR CONDITONS ARE SLOWLY SPREADING NORTH ACROSS LOWER MICHIGAN AS A
WARM FRONT APPROACHES FROM THE SOUTH. LIGHT PCPN WILL CONTINUE TO
SPREAD NORTH BUT CIGS MAY BE SLOW TO FALL. LIGHT FREEZING RAIN WILL
DEVELOP LATE THIS AFTERNOON OVER THE FAR SOUTH AND MOVE
NORTH...CHANGING TO SOME LIGHT SNOW NORTH OF I-96. THIS PCPN WILL
CONTINUE OVERNIGHT. EXPECT ICING CONDITIONS OVER THE SRN TAF SITES
TONIGHT INTO TUESDAY MORNING. IT/S ALSO POSSIBLE THAT SOME ICING
WILL OCCUR AT KLAN/KGRR/KMKG TOO BUT WILL NOT BE AS MUCH AS THE
OTHER THREE SITES.

&&

.HYDROLOGY...(400 AM EST MON DEC 8 2008)
NO HYDRO ISSUES ARE EXPECTED DUE TO THE COLD TEMPERATURES THIS WEEK.

&&

.GRR WATCHES/WARNINGS/ADVISORIES...
MI...WINTER STORM WATCH FROM OTTAWA...KENT...IONIA... AND CLINTON
COUNTIES NORTHWARD FROM MONDAY NIGHT THROUGH TUESDAY NIGHT.

FREEZING RAIN ADVISORY FROM 21Z THIS AFTERNOON THROUGH 15Z TUESDAY
FOR THE SOUTHERN THIRD OF OUR CWFA.

LM...SMALL CRAFT ADVISORY ST. JOSEPH TO MANISTEE THROUGH TUESDAY
AFTERNOON.

&&

SYNOPSIS:     LAURENS
SHORT TERM:   LAURENS 93
LONG TERM:    TJT
MARINE:       LAURENS
AVIATION:     93
HYDROLOGY:    LAURENS
Hazardous weather outlook, Dec 8, 6:00 AM EST, 9 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
600 AM EST MON DEC 8 2008

MIZ037>040-043>046-050>052-056>059-064>067-071>074-091015-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
600 AM EST MON DEC 8 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

ROADS MAY BE SLICK THIS MORNING FROM THE LIGHT SNOW WHICH FELL
SUNDAY EVENING.

FREEZING RAIN AND SLEET WILL DEVELOP SOUTH OF INTERSTATE 96 BY
LATE THIS AFTERNOON AND COULD ADVANCE A LITTLE FARTHER NORTH INTO
THE INTERSTATE 96 CORRIDOR TONIGHT. MAINLY SNOW IS ANTICIPATED
NORTH OF INTERSTATE 96 TONIGHT WITH 2 TO 4 INCHES OF ACCUMULATION
POSSIBLE BY DAYBREAK TUESDAY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A WINTRY MIX OF SNOW... SLEET AND FREEZING RAIN AND EVEN FOG IS
ANTICIPATED TUESDAY. THE PRECIPITATION WILL CHANGE OVER TO ALL SNOW
ON TUESDAY NIGHT. THERE IS A POTENTIAL FOR A STORM TOTAL SNOWFALL OF
8 OR MORE INCHES BY DAYBREAK WEDNESDAY NORTH OF A LINE FROM MUSKEGON
TO ALMA. THE INTERSTATE 96 CORRIDOR MAY EXPERIENCE A TOTAL OF UP TO
ONE QUARTER INCH OF ICE ACCUMULATION ALONG WITH TOTAL SNOW
ACCUMULATIONS OF 2 TO 4 INCHES. MEANWHILE MOSTLY RAIN AND FOG IS
ANTICIPATED SOUTH OF INTERSTATE 96 ON TUESDAY.

SNOW SHOWERS ARE POSSIBLE EACH DAY WEDNESDAY THROUGH SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

LMZ844>849-091015-
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-
600 AM EST MON DEC 8 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

SOUTH WINDS OF 10 TO 20 KNOTS WILL PRODUCE WAVES HAZARDOUS TO SMALL
CRAFT TODAY AND TONIGHT. SNOW WILL REDUCE VISIBILITIES NORTH OF
MUSKEGON TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WINDS WILL SHIFT OUT OF THE NORTH ON TUESDAY AND INCREASE...
RESULTING IN WAVES HAZARDOUS TO SMALL CRAFT. THE WINDS AND WAVES
WILL DIMINISH ON WEDNESDAY AFTERNOON. SNOW WILL REDUCE VISIBILITIES
NORTH OF MUSKEGON ON TUESDAY AND OVER ALL OF THE LAKE TUESDAY NIGHT
INTO WEDNESDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MEADE

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 8, 4:12 AM ESTFreezing Rain AdvisoryGRRAllegan, Barry, Calhoun, Eaton, Ingham, Jackson and 2 more24 hr
Dec 8, 3:44 PM ESTWinter Weather AdvisoryGRRAllegan, Barry, Calhoun, Clinton, Eaton, Ingham and 6 more33 hr

Nearby

Winter Storm Warnings in Michigan, 2008Every winter storm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.