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Alert Map SPC Activity Warn, Watch, Advisory Chart
Events Here are shown in order of age newest to oldest
Gale Watch - New Event
Winter Weather Advisory - Event Continued
Winter Storm Warning - Event Continued
Winter Storm Warning - Event Continued
Winter Weather Advisory - New Event
Winter Storm Warning - Event Upgraded
Winter Storm Warning - Event Upgraded
Gale Watch - Event Continued
Gale Watch - New Event
Click on the map areas for a more local alert listing
Alert Map

Gale Watch - New Event



WHUS73 KGRR 090927
MWWGRR


URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
427 AM EST TUE FEB 9 2010

LMZ844>849-091730-
/O.NEW.KGRR.SC.Y.0009.100209T2000Z-100210T1000Z/
/O.EXT.KGRR.GL.A.0001.100210T1000Z-100211T0400Z/
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-
427 AM EST TUE FEB 9 2010

Small Craft Advisory... IN EFFECT FROM 3 PM THIS AFTERNOON TO
5 AM EST WEDNESDAY...
Gale Watch... NOW IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
5 AM EST WEDNESDAY. THE GALE WATCH IS NOW IN EFFECT FROM LATE
TONIGHT THROUGH WEDNESDAY EVENING.

AN AREA OF LOW PRESSURE WILL MOVE THROUGH THE SOUTHERN GREAT LAKES
REGION TONIGHT AND WEDNESDAY. ON THE BACKSIDE OF THE SYSTEM WINDS
WILL INCREASE FOR TONIGHT AND WEDNESDAY AS NORTH WINDS BECOME
NORTHWEST. WINDS WILL BE NEAR GALE FORCE DURING THIS TIME FRAME.
LATER FORECASTS WILL DETERMINE WHETHER THE WATCH TRANSITIONS INTO
A GALE WARNING. IN THE MEANTIME...A SMALL CRAFT ADVISORY WILL GO
INTO EFFECT AT 3 PM THIS AFTERNOON AS WAVES BEGIN TO BUILD TO
GREATER THAN 4 FEET.

Precautionary/Preparedness Actions...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.



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Winter Weather Advisory - Event Continued




MIZ037>040-091130-
/O.CON.KGRR.WW.Y.0002.100209T1200Z-100210T1800Z/
MASON-LAKE-OSCEOLA-CLARE-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...CLARE
1022 PM EST MON FEB 8 2010

Winter Weather Advisory... REMAINS IN EFFECT FROM 7 AM TUESDAY TO
1 PM EST WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TUESDAY TO
1 PM EST WEDNESDAY.

HAZARDOUS WEATHER...

* 4 TO 7 INCHES OF SNOW IS POSSIBLE FROM TUESDAY MORNING
THROUGH WEDNESDAY MORNING.

* THE SNOW WILL BEGIN TUESDAY MORNING AND BECOME HEAVY AT TIMES
TOWARDS EVENING. A PERIOD OF HEAVIER SNOW WILL OCCUR TUESDAY
EVENING INTO TUESDAY NIGHT.

* SOME BLOWING AND DRIFTING SNOW IS EXPECTED TUESDAY NIGHT INTO
WEDNESDAY MORNING...ESPECIALLY IN OPEN COUNTRY.

IMPACTS...

* PERIODS OF SNOW WILL REDUCE VISIBILITY AND RESULT IN SNOW
COVERED AND SLIPPERY ROADS.

* AREAS OF BLOWING SNOW WILL LIMIT VISIBILITY...ESPECIALLY IN
OPEN COUNTRY TUESDAY NIGHT AND WEDNESDAY MORNING. USE CAUTION
WHILE TRAVELING.

Precautionary/Preparedness Actions...

* A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW... WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. AREAS
OF BLOWING SNOW ARE ALSO EXPECTED WHICH WILL LIMIT
VISIBILITY... ESPECIALLY IN OPEN COUNTRY.



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Winter Storm Warning - Event Continued




MIZ056>059-064>067-071>074-091130-
/O.CON.KGRR.WS.W.0001.100209T1200Z-100210T1800Z/
OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-
KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS...HOLLAND...HASTINGS...CHARLOTTE...LANSING...
SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...JACKSON
1022 PM EST MON FEB 8 2010

Winter Storm Warning... REMAINS IN EFFECT FROM 7 AM TUESDAY TO
1 PM EST WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TUESDAY TO
1 PM EST WEDNESDAY.

HAZARDOUS WEATHER...

* 6 TO 12 INCHES OF SNOW IS EXPECTED FROM DAYBREAK TUESDAY THROUGH
WEDNESDAY MORNING.

* THE HEAVIEST SNOW IS EXPECTED TOWARD THE INTERSTATE 94
CORRIDOR WHERE 8 TO 12 INCHES OF SNOW IS EXPECTED. THE
INTERSTATE 96 CORRIDOR WILL SEE 6 TO 10 INCHES OF SNOW...
WHICH INCLUDES GRAND RAPIDS AND LANSING.

* SNOW WILL BEGIN TUESDAY MORNING AND BECOME HEAVY FOR LATE
TUESDAY AFTERNOON AND TUESDAY NIGHT.

* BLOWING AND DRIFTING SNOW IS EXPECTED TUESDAY EVENING THROUGH
THROUGH WEDNESDAY MORNING AS NORTH WINDS INCREASE TO 15 TO 25
MPH.

IMPACTS...

* THE HEAVY SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AND
RESULT IN SNOW COVERED AND SLIPPERY ROADS.

* AREAS OF BLOWING SNOW WILL LIMIT VISIBILITY...ESPECIALLY IN
OPEN COUNTRY TUESDAY NIGHT AND WEDNESDAY MORNING. USE CAUTION
WHILE TRAVELING.

Precautionary/Preparedness Actions...

* 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.



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Winter Storm Warning - Event Continued



WWUS43 KGRR 090322
WSWGRR


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1022 PM EST MON FEB 8 2010

MIZ043>046-050>052-091130-
/O.CON.KGRR.WS.W.0001.100209T1200Z-100210T1800Z/
OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...HART...FREMONT...BIG RAPIDS...
MOUNT PLEASANT...MUSKEGON...GREENVILLE...ALMA
1022 PM EST MON FEB 8 2010

Winter Storm Warning... REMAINS IN EFFECT FROM 7 AM TUESDAY TO
1 PM EST WEDNESDAY...

HAZARDOUS WEATHER...

* 5 TO 9 INCHES OF SNOW IS EXPECTED FROM TUESDAY MORNING
THROUGH WEDNESDAY MORNING.

* SNOW WILL BEGIN TUESDAY MORNING AND BECOME HEAVY FOR LATE
TUESDAY AFTERNOON AND TUESDAY NIGHT.

* BLOWING AND DRIFTING SNOW IS EXPECTED TUESDAY EVENING THROUGH
THROUGH WEDNESDAY MORNING AS NORTH WINDS INCREASE TO 15 TO 25
MPH.

IMPACTS...

* THE HEAVY SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AND
RESULT IN SNOW COVERED AND SLIPPERY ROADS.

* AREAS OF BLOWING SNOW WILL LIMIT VISIBILITY...ESPECIALLY IN
OPEN COUNTRY TUESDAY NIGHT AND WEDNESDAY MORNING. USE CAUTION
WHILE TRAVELING.

Precautionary/Preparedness Actions...

* 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.



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Winter Weather Advisory - New Event




MIZ037>040-090515-
/O.NEW.KGRR.WW.Y.0002.100209T1200Z-100210T1800Z/
MASON-LAKE-OSCEOLA-CLARE-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...CLARE
405 PM EST MON FEB 8 2010

Winter Weather Advisory... IN EFFECT FROM 7 AM TUESDAY TO 1 PM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
7 AM TUESDAY TO 1 PM EST WEDNESDAY.

HAZARDOUS WEATHER...

* 4 TO 7 INCHES OF SNOW IS POSSIBLE FROM TUESDAY MORNING THROUGH
WEDNESDAY MORNING.

* THE SNOW WILL BEGIN TUESDAY MORNING AND BECOME HEAVY AT TIMES
TOWARDS EVENING. A PERIOD OF HEAVIER SNOW WILL OCCUR TUESDAY
EVENING INTO TUESDAY NIGHT.

* SOME BLOWING AND DRIFTING SNOW IS EXPECTED TUESDAY NIGHT INTO
WEDNESDAY MORNING...ESPECIALLY IN OPEN COUNTRY.

IMPACTS...

* PERIODS OF SNOW WILL REDUCE VISIBILITY AND RESULT IN SNOW
COVERED AND SLIPPERY ROADS.

* AREAS OF BLOWING SNOW WILL LIMIT VISIBILITY...ESPECIALLY IN
OPEN COUNTRY TUESDAY NIGHT AND WEDNESDAY MORNING. USE CAUTION
WHILE TRAVELLING.

Precautionary/Preparedness Actions...

* A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW... WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. AREAS OF
BLOWING SNOW ARE ALSO EXPECTED WHICH WILL LIMIT
VISIBILITY...ESPECIALLY IN OPEN COUNTRY.



Back to the top

Winter Storm Warning - Event Upgraded




MIZ056>059-064>067-071>074-090515-
/O.UPG.KGRR.WS.A.0001.100209T1200Z-100210T1800Z/
/O.NEW.KGRR.WS.W.0001.100209T1200Z-100210T1800Z/
OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-
KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...JENISON...GRAND RAPIDS...IONIA...
ST. JOHNS...HOLLAND...HASTINGS...CHARLOTTE...LANSING...
SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...JACKSON
405 PM EST MON FEB 8 2010

Winter Storm Warning... IN EFFECT FROM 7 AM TUESDAY TO 1 PM EST
WEDNESDAY...

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

HAZARDOUS WEATHER...

* 6 TO 12 INCHES OF SNOW IS EXPECTED FROM TUESDAY MORNING THROUGH
WEDNESDAY MORNING.

* THE HEAVIEST SNOW IS EXPECTED TOWARD THE INTERSTATE 94 CORRIDOR
WHERE 8 TO 12 INCHES OF SNOW IS EXPECTED. THE INTERSTATE 96
CORRIDOR WILL SEE 6 TO 10 INCHES OF SNOW...WHICH INCLUDES GRAND
RAPIDS AND LANSING.

* SNOW WILL BEGIN TUESDAY MORNING AND BECOME HEAVY FOR LATE
TUESDAY AFTERNOON AND TUESDAY NIGHT.

* BLOWING AND DRIFTING SNOW IS EXPECTED TUESDAY EVENING THROUGH
THROUGH WEDNESDAY MORNING AS NORTH WINDS INCREASE TO 15 TO 25
MPH.

IMPACTS...

* THE HEAVY SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AND RESULT
IN SNOW COVERED AND SLIPPERY ROADS.

* AREAS OF BLOWING SNOW WILL LIMIT VISIBILITY...ESPECIALLY IN
OPEN COUNTRY TUESDAY NIGHT AND WEDNESDAY MORNING. USE CAUTION
WHILE TRAVELLING.


Precautionary/Preparedness Actions...

* 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.



Back to the top

Winter Storm Warning - Event Upgraded



WWUS43 KGRR 082105
WSWGRR


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
405 PM EST MON FEB 8 2010

MIZ043>046-050>052-090515-
/O.UPG.KGRR.WS.A.0001.100209T1200Z-100210T1800Z/
/O.NEW.KGRR.WS.W.0001.100209T1200Z-100210T1800Z/
OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-GRATIOT-
INCLUDING THE CITIES OF...HART...FREMONT...BIG RAPIDS...
MOUNT PLEASANT...MUSKEGON...GREENVILLE...ALMA
405 PM EST MON FEB 8 2010

Winter Storm Warning... IN EFFECT FROM 7 AM TUESDAY TO 1 PM EST
WEDNESDAY...

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

HAZARDOUS WEATHER...

* 5 TO 9 INCHES OF SNOW IS EXPECTED FROM TUESDAY MORNING THROUGH
WEDNESDAY MORNING.

* SNOW WILL BEGIN TUESDAY MORNING AND BECOME HEAVY FOR LATE
TUESDAY AFTERNOON AND TUESDAY NIGHT.

* BLOWING AND DRIFTING SNOW IS EXPECTED TUESDAY EVENING THROUGH
THROUGH WEDNESDAY MORNING AS NORTH WINDS INCREASE TO 15 TO 25
MPH.

IMPACTS...

* THE HEAVY SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AND
RESULT IN SNOW COVERED AND SLIPPERY ROADS.

* AREAS OF BLOWING SNOW WILL LIMIT VISIBILITY...ESPECIALLY IN
OPEN COUNTRY TUESDAY NIGHT AND WEDNESDAY MORNING. USE CAUTION WHILE
TRAVELLING.

Precautionary/Preparedness Actions...

* 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.



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Gale Watch - Event Continued




LAURENS MEADEGale Watch
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1129 AM EST MON FEB 8 2010

LMZ844>849-090030-
/O.CON.KGRR.GL.A.0001.100210T0000Z-100211T0400Z/
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-
1129 AM EST MON FEB 8 2010

Gale Watch... REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...

A LOW PRESSURE SYSTEM WILL SLIDE FROM INDIANA INTO THE EASTERN
GREAT LAKES TUESDAY NIGHT AND WEDNESDAY. NORTHERLY WINDS WILL
CRANK UP ON LAKE MICHIGAN BEHIND THE LOW BRINGING THE POTENTIAL
FOR GALE FORCE WINDS TUESDAY NIGHT THROUGH WEDNESDAY EVENING.

Precautionary/Preparedness Actions...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.



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Gale Watch - New Event



WHUS73 KGRR 080821
MWWGRR


URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
321 AM EST MON FEB 8 2010


LMZ844>849-081630-
/O.NEW.KGRR.GL.A.0001.100210T0000Z-100211T0400Z/
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-
321 AM EST MON FEB 8 2010

Gale Watch... IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A GALE
WATCH...WHICH IS IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
EVENING.

A LOW PRESSURE SYSTEM MOVING INTO OUR REGION WILL BRING POTENTIAL
FOR GALE FORCE WINDS TUESDAY EVENING THROUGH WEDNESDAY EVENING.

Precautionary/Preparedness Actions...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.



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All information obtained from the National Weather Service. Last Modified on February 9th, 2010 04:28:09
Copyright © 2010 Graham Merrill
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