Alert archive / Michigan / Winter Storm Warnings in 2011

Winter Storm Warning 6, NWS Detroit, MI

March 22, 201113 counties in Michigan

NWS Detroit, MI issued this winter storm warning at Mar 22, 2011, 4:18 AM EDT for 13 counties in Michigan. It took effect at Mar 22, 2011, 8:00 PM EDT. It was in force for 18 hr. 60 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
Mar 22, 2011, 4:18 AM EDT (08:18 UTC)
In effect from
Mar 22, 2011, 8:00 PM EDT
Expired
Mar 23, 2011, 2:00 PM EDT
In force
18 hr
Issued by
NWS Detroit, MI

Counties Bay County, MI, Genesee County, MI, Huron County, MI, Lapeer County, MI, Livingston County, MI, Macomb County, MI, Midland County, MI, Oakland County, MI, Saginaw County, MI, Saint Clair County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI

The radar

The Detroit radar (KDTX), 55 km from the middle of the area, began a volume at 08:17 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
Mar 22, 8:12 PM EDTSNOW 1.4Clarkston, MI2 1/2 HOUR TOTAL.
Mar 22, 8:12 PM EDTSNOW 1.53 Sw Saginaw, MI4 HOUR TOTAL.
Mar 22, 9:40 PM EDTSNOW 2.53 Sw Saginaw, MI5 HOUR TOTAL.
Mar 22, 9:44 PM EDTSNOW 4Flushing, MI6 HOUR TOTAL.
Mar 22, 10:20 PM EDTSNOW 42 W Lapeer, MI6 HOUR TOTAL.
Mar 22, 10:32 PM EDTSNOW 3.23 W Saginaw, MI6 HOUR TOTAL.
Mar 22, 10:43 PM EDTSNOW 3.5Capac, MI6 HR TOTAL.
Mar 22, 11:09 PM EDTSNOW 2.5Port Huron, MI6 HR TOTAL.
Mar 22, 11:09 PM EDTSNOW 3Fairgrove, MI6 HR TOTAL.
Mar 22, 11:26 PM EDTSNOW 3Henderson, MI6 HR TOTAL. LIGHTNING REPORTED AS WELL.
Mar 22, 11:38 PM EDTSNOW 4.47 W Saginaw, MI7 HR TOTAL.
Mar 22, 11:59 PM EDTSNOW 2.7Corunna, MI8 HR TOTAL. 1 INCH LIQUID EQUIVALENT.
Mar 23, 12:04 AM EDTSNOW 3.1Port Huron, MI7 HR TOTAL.
Mar 23, 12:04 AM EDTSNOW 4.63 Nw Saginaw, MI8 HR TOTAL. THUNDERSNOW WAS ALSO REPORTED.
Mar 23, 12:04 AM EDTSNOW 5.57 W Saginaw, MI8 HR TOTAL.
Mar 23, 12:19 AM EDTSNOW 2.85 W Grand Blanc, MI8 HR SNOW AND SLEET TOTAL. LIQUID EQUIVALENT 0.90 INCHES.
Mar 23, 12:25 AM EDTSNOW 4.5Bridgeport, MI8 HR TOTAL.
Mar 23, 1:01 AM EDTSNOW 5Fairgrove, MI9 HR TOTAL.
Mar 23, 1:41 AM EDTHEAVY SNOW 6.77 W Saginaw, MI10 HR TOTAL.
Mar 23, 1:58 AM EDTSNOW 0.9White Lake, MI11 HR TOTAL.
Mar 23, 1:58 AM EDTSNOW 4.2Flint, MI11 HR TOTAL.
Mar 23, 1:58 AM EDTSNOW 5Marlette, MI10 HR TOTAL.
Mar 23, 1:58 AM EDTHEAVY SNOW 6Saginaw, MI11 HR TOTAL.
Mar 23, 4:07 AM EDTSNOW 45 S Merrill, MI12 HR TOTAL. GLAZING OF ICE AS WELL.
Mar 23, 4:07 AM EDTHEAVY SNOW 7.17 W Saginaw, MI12 HR TOTAL. LIGHT GLAZING OF ICE AS WELL.
Mar 23, 5:20 AM EDTHEAVY SNOW 6.5Elba, MI12 HR TOTAL. GLAZE OF ICE AS WELL.
Mar 23, 6:31 AM EDTSNOW 3Corunna, MI13 HR TOTAL. 1/8 INCH OF ICE.
Mar 23, 6:45 AM EDTSNOW 4.5Freeland, MI14 HOUR TOTAL. TENTH OF AN INCH OF ICE.
Mar 23, 6:45 AM EDTSNOW 4.6St. Clair, MI14 HOUR TOTAL
Mar 23, 6:46 AM EDTSNOW 5.15 Nnw Filion, MI13 HR TOTAL.
Mar 23, 6:55 AM EDTSNOW 5.1Port Huron, MI14 HOUR TOTAL
Mar 23, 7:00 AM EDTSNOW 1.7Sse New Baltimore, MI14 HOUR SNOWFALL TOTAL.
Mar 23, 7:00 AM EDTSNOW 1.9Shelby Township, MI14 HOUR SNOWFALL TOTAL.
Mar 23, 7:15 AM EDTHEAVY SNOW 8Midland, MI14 HOUR TOTAL
Mar 23, 7:18 AM EDTSNOW 3.5Davison, MI12 HOUR TOTAL. TENTH OF AN INCH OF ICE ON TREES/POWERLINES.
Mar 23, 7:25 AM EDTHEAVY SNOW 6.26 N Midland, MI14 HOUR TOTAL
Mar 23, 7:35 AM EDTSNOW 5Allenton, MI14 HOUR TOTAL. ICING WITH LARGE TREE LIMBS DOWN.
Mar 23, 7:45 AM EDTHEAVY SNOW 5.83 Nw Saginaw, MI14 HOUR TOTAL. TENTH OF AN INCH OF ICE WITH A TREE DOWN.
Mar 23, 7:50 AM EDTHEAVY SNOW 6.5Capac, MI14 HOUR TOTAL. ICING ON TREES.
Mar 23, 7:55 AM EDTSNOW 4.7Port Huron, MI14 HOUR TOTAL
Mar 23, 7:55 AM EDTSNOW 5Yale, MI14 HOUR TOTAL. TENTH OF AN INCH OF ICE.
Mar 23, 8:54 AM EDTFREEZING RAIN 0.1Highland, MI
Mar 23, 8:54 AM EDTFREEZING RAIN 0.25Algonac, MI
Mar 23, 8:54 AM EDTSLEET 7.9Lapeer, MIDURATION 14 HRS. LIGHT ICING ALSO REPORTED.
Mar 23, 8:54 AM EDTSNOW 0.3Linden, MI
Mar 23, 8:54 AM EDTSNOW 0.6Pontiac, MI
Mar 23, 8:54 AM EDTSNOW 1.4Algonac, MI
Mar 23, 8:54 AM EDTSNOW 1.5Durand, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 2Owosso, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 2.8Goodrich, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 3Merrill, MILIGHT ICING ALSO REPORTED.
Mar 23, 8:54 AM EDTSNOW 3.6Chesaning, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 4Caro, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 4Marlette, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 4Port Austin, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 4.5Harbor Beach, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 4.7Midland, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 5Lexington, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 5Sandusky, MIDURATION 14 HRS.
Mar 23, 8:54 AM EDTSNOW 5Yale, MIDURATION 14 HRS.

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 00:00Z, 8.3 hours before the alert went out and 53 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 00:00Z on 2011-03-22Temperature 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 00:00Z on 2011-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939587897117Sfc1 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
778 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
117 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.

903 
WWUS43 KDTX 220818
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
418 AM EDT TUE MAR 22 2011

...LATE SEASON WINTER STORM TO IMPACT SOUTHEASTERN MICHIGAN
TONIGHT THROUGH WEDNESDAY...

.A MOISTURE RICH LOW PRESSURE SYSTEM WILL ORGANIZE ACROSS THE
PLAINS STATES TODAY AND THEN MOVE THROUGH THE OHIO VALLEY TONIGHT
THROUGH WEDNESDAY. AT THE SAME TIME...A LARGE AREA OF ARCTIC HIGH
PRESSURE WILL REMAIN ANCHORED OVER EASTERN CANADA. THE RESULTING
NORTHEAST WINDS INTO LOWER MICHIGAN WILL MAINTAIN A SUPPLY OF
COLD AIR AT GROUND LEVEL THAT WILL RESULT IN A WINTRY MIX OF
PRECIPITATION. THE COMBINATION OF LARGE AMOUNTS OF MOISTURE...WARM
AIR ALOFT...AND COLD AIR AT THE SURFACE IS EXPECTED TO RESULT IN
LARGE AMOUNTS OF FREEZING RAIN...SLEET...AND SNOW ACROSS THE
REGION.


MIZ047>049-053>055-221630-
/O.UPG.KDTX.WS.A.0005.110323T0000Z-110324T0000Z/
/O.NEW.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE...
SAGINAW...CARO...SANDUSKY
418 AM EDT TUE MAR 22 2011

...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM
EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER STORM WARNING FOR HEAVY SNOW AND SLEET...WHICH IS IN
EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

IMPACTS...

 * ROADWAYS WILL LIKELY BECOME COVERED WITH SNOW AND ICE TONIGHT
   AND WEDNESDAY...WITH A SIGNIFICANT IMPACT TO THE WEDNESDAY
   MORNING COMMUTE.

HAZARDOUS WEATHER...

 * SNOW WILL SPREAD OVER THE REGION DURING THE EVENING...INCREASE
   INTENSITY...AND THEN BECOME MIXED WITH SLEET DURING THE NIGHT
   BEFORE ENDING AS ALL SNOW WEDNESDAY. THE PEAK INTENSITY OF THIS
   PRECIPITATION IS EXPECTED TO RUN FROM ABOUT MIDNIGHT TONIGHT
   THROUGH NOON WEDNESDAY.

 * TOTAL SNOWFALL OF 5 TO 10 INCHES IS EXPECTED. SNOW ACCUMULATION
   WILL BE CLOSER TO 5 INCHES ALONG AND SOUTH OF A SAGINAW TO
   SANDUSKY LINE...WHERE A GREATER MIX OF SLEET IS EXPECTED.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER
   ALSO POSSIBLE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
   SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
   ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
   IMPOSSIBLE.


&&

$$

MIZ060>063-221630-
/O.UPG.KDTX.WS.A.0005.110323T0000Z-110324T0000Z/
/O.NEW.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-
INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON
418 AM EDT TUE MAR 22 2011

...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM
EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER STORM WARNING FOR SNOW AND SLEET...WHICH IS IN EFFECT FROM
8 PM THIS EVENING TO 8 PM EDT WEDNESDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

IMPACTS...

 * ROADWAYS WILL LIKELY BECOME COVERED WITH SNOW AND SLEET TONIGHT
   AND WEDNESDAY...WITH A SIGNIFICANT IMPACT TO THE WEDNESDAY
   MORNING COMMUTE.

HAZARDOUS WEATHER...

 * A MIX OF SNOW AND SLEET WILL SPREAD OVER THE REGION DURING THE
   EVENING AND INCREASE INTENSITY TOWARD MIDNIGHT. PRECIPITATION
   TYPE WILL BE MAINLY SLEET FOR EXTENDED PERIODS OF TIME AFTER
   MIDNIGHT BEFORE ENDING AS ALL SNOW WEDNESDAY. THE PEAK
   INTENSITY OF THIS PRECIPITATION IS EXPECTED TO RUN FROM ABOUT
   MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THERE IS A CHANCE OF
   FREEZING RAIN AT TIMES SOUTH OF INTERSTATE 69.

 * TOTAL ACCUMULATION OF SNOW AND SLEET UP TO 4 INCHES IS EXPECTED.
   SNOW ACCUMULATION WILL BE GREATER NORTH OF INTERSTATE 69 WITH
   GREATER AMOUNTS OF SLEET TO THE SOUTH OF THIS LINE.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER
   ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
   SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
   ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
   IMPOSSIBLE.


&&

$$

MIZ068>070-221630-
/O.UPG.KDTX.WS.A.0005.110323T0000Z-110324T0000Z/
/O.NEW.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN
418 AM EDT TUE MAR 22 2011

...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM
EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER STORM WARNING FOR FREEZING RAIN AND SLEET...WHICH IS IN
EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

IMPACTS...

 * SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS POSSIBLE
   TONIGHT AND WEDNESDAY.

 * ROADS WILL LIKELY BECOME ICE COVERED...MAKING TRAVEL DANGEROUS
   BY THE WEDNESDAY MORNING COMMUTE.

HAZARDOUS WEATHER...

 * PRECIPITATION WILL BEGIN AS A MIX OF RAIN AND SNOW DURING THE
   EARLY EVENING...AND THEN CHANGE TO PRIMARILY FREEZING RAIN WITH
   A MIX OF SLEET BY LATE EVENING THROUGH THE OVERNIGHT HOURS
   TONIGHT. THE PEAK INTENSITY OF THE EVENT WILL LIKELY BE FROM
   MIDNIGHT THROUGH NOON WEDNESDAY. TOTAL ICING OF A QUARTER TO A
   HALF INCH IS EXPECTED ON SURFACES ALONG WITH SUBSTANTIAL
   AMOUNTS OF SLEET.

 * A SLOW MOVING LINE OF HEAVY RAINFALL AND POSSIBLY THUNDER COULD
   LOCALLY RESULT IN UP TO AN INCH OF ICING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
   SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
   ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
   IMPOSSIBLE.

&&

$$

MIZ075-076-221630-
/O.CON.KDTX.WS.A.0005.110323T0000Z-110324T0000Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
418 AM EDT TUE MAR 22 2011

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM 8 PM THIS EVENING
THROUGH 8 PM WEDNESDAY EVENING.

IMPACTS...

 * SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS POSSIBLE
   TONIGHT AND WEDNESDAY.

 * ROADWAYS MAY BECOME ICE COVERED AND SLIPPERY TUESDAY NIGHT 
   AND WEDNESDAY...WHICH MAY HAVE A NEGATIVE IMPACT ON THE 
   WEDNESDAY MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * A PATTERN OF RAIN SHOWERS THIS EVENING MAY CHANGE TO A WINTRY
   MIX OF FREEZING RAIN...SLEET...AND SNOW...DEPENDING ON HOW MUCH
   COLD AIR CAN MOVE INTO THE REGION FROM EASTERN CANADA.
   INTENSITY OF THE MIXED PRECIPITATION MAY INCREASE AFTER
   MIDNIGHT AND CARRY INTO MIDDAY WEDNESDAY. THE POTENTIAL EXISTS
   FOR ICE ACCUMULATIONS OF GREATER THAN A QUARTER INCH.

 * THE WATCH REMAINS IN EFFECT FOR THIS REGION DUE TO SUBSTANTIAL
   UNCERTAINTY REGARDING HOW COLD SURFACE TEMPERATURES WILL BECOME
   DURING THE NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR 
   SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY 
   IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. 

&&

$$

BT/SF
8 follow-up statements
400 
WWUS43 KDTX 221624
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1224 PM EDT TUE MAR 22 2011

...LATE SEASON WINTER STORM TO IMPACT SOUTHEASTERN MICHIGAN
TONIGHT THROUGH WEDNESDAY...

.A MOISTURE RICH LOW PRESSURE SYSTEM WILL ORGANIZE ACROSS THE
PLAINS STATES TODAY AND THEN MOVE THROUGH THE OHIO VALLEY TONIGHT
THROUGH WEDNESDAY. AT THE SAME TIME...A LARGE AREA OF ARCTIC HIGH
PRESSURE WILL REMAIN ANCHORED OVER EASTERN CANADA. THE RESULTING
NORTHEAST WINDS INTO LOWER MICHIGAN WILL MAINTAIN A SUPPLY OF
COLD AIR AT GROUND LEVEL THAT WILL RESULT IN A WINTRY MIX OF
PRECIPITATION. THE COMBINATION OF LARGE AMOUNTS OF MOISTURE...
WARM AIR ALOFT...AND COLD AIR AT THE SURFACE IS EXPECTED TO
RESULT IN LARGE AMOUNTS OF FREEZING RAIN...SLEET...AND SNOW
ACROSS THE REGION.

MIZ047>049-230100-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE
1224 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY. 

IMPACTS...

 * ROADWAYS WILL LIKELY BECOME COVERED WITH SNOW AND ICE TONIGHT 
   AND WEDNESDAY...WITH A SIGNIFICANT IMPACT ON THE WEDNESDAY 
   MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * SNOW AND SLEET WILL SPREAD OVER THE REGION DURING THE
   EVENING...INCREASE INTENSITY...AND BECOME ALL SNOW OVERNIGHT.
   THE PEAK INTENSITY OF THIS PRECIPITATION IS EXPECTED TO OCCUR FROM
   ABOUT MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY.

 * TOTAL SNOWFALL OF 5 TO 10 INCHES IS EXPECTED. 

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
   SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MIZ053>055-230100-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...SAGINAW...CARO...SANDUSKY
1224 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY. 

IMPACTS...

 * ROADWAYS WILL LIKELY BECOME COVERED WITH SNOW AND ICE TONIGHT 
   AND WEDNESDAY...WITH A SIGNIFICANT IMPACT TO THE WEDNESDAY 
   MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * SNOW AND SLEET WILL SPREAD OVER THE REGION DURING THE
   EVENING...INCREASE INTENSITY DURING THE NIGHT THEN TAPER OFF
   WEDNESDAY. THE PEAK INTENSITY OF THIS PRECIPITATION IS EXPECTED
   TO OCCUR FROM ABOUT MIDNIGHT TONIGHT THROUGH WEDNESDAY MORNING.

 * TOTAL SNOW AND SLEET ACCUMULATION OF 3 TO 6 INCHES IS
   EXPECTED.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
   SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MIZ060>063-068>070-230100-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON...
HOWELL...PONTIAC...WARREN
1224 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY. 

IMPACTS...

 * SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS POSSIBLE
   TONIGHT AND WEDNESDAY.

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING
   IN POWER OUTAGES.

 * ROADWAYS ARE EXPECTED TO BE ICE COVERED AND SLIPPERY TUESDAY
   NIGHT AND WEDNESDAY...MAKING TRAVEL DANGEROUS BY THE WEDNESDAY
   MORNING COMMUTE.


HAZARDOUS WEATHER...

 * PRECIPITATION WILL BEGIN AS A MIX OF RAIN...SLEET AND SNOW
   DURING THE EARLY EVENING...AND THEN CHANGE TO PRIMARILY
   FREEZING RAIN AND SLEET BY LATE EVENING THROUGH THE OVERNIGHT
   HOURS TONIGHT. THE PEAK INTENSITY OF THE EVENT WILL OCCUR THIS
   EVENING AND PERSIST INTO THE PRE-DAWN HOURS OF WEDNESDAY.
   PERIODS OF LIGHT FREEZING RAIN WILL LINGER INTO WEDNESDAY.
   TOTAL ICE ACCRETION ON ELEVATED OBJECTS...SUCH AS TREES AND
   POWER LINES...IS EXPECTED TO EXCEED A QUARTER INCH ALONG WITH
   SUBSTANTIAL AMOUNTS OF SLEET.

 * PRECIPITATION RATES MAY BE EXCESSIVE AT TIMES WITH THUNDER ALSO
   POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS SLEET AND ICE
   ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. THIS
   WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MIZ075-076-230100-
/O.UPG.KDTX.WS.A.0005.110323T0000Z-110324T0000Z/
/O.NEW.KDTX.WW.Y.0015.110323T0000Z-110324T0000Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
1224 PM EDT TUE MAR 22 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO
8 PM EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET...WHICH IS IN
EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY.

IMPACTS...

 * ICING OF POWER LINES AND TREE LIMBS IS POSSIBLE TONIGHT AND
   WEDNESDAY.

 * ROADWAYS MAY BECOME ICE COVERED AND SLIPPERY TUESDAY NIGHT 
   AND WEDNESDAY...WHICH WILL HAVE A NEGATIVE IMPACT ON THE 
   WEDNESDAY MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * A PATTERN OF RAIN SHOWERS THIS EVENING WILL CHANGE TO A WINTRY
   MIX OF FREEZING RAIN AND SLEET. INTENSITY OF THE MIXED
   PRECIPITATION IS EXPECTED INCREASE LATE THIS EVENING AND CARRY
   THROUGH THE BALANCE OF THE NIGHT. THE POTENTIAL EXISTS FOR ICE
   ACCUMULATIONS AROUND A TENTH OF AN INCH ON ELEVATED SURFACES...
   SUCH AS TREES AND POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET MEANS
   PERIODS OF FREEZING RAIN AND SLEET ARE IMMINENT OR OCCURRING.
   SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE
   PREPARED TO USE CAUTION WHEN TRAVELING.

&&

$$

MANN
860 
WWUS43 KDTX 222000
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
400 PM EDT TUE MAR 22 2011

...LATE SEASON WINTER STORM TO IMPACT SOUTHEASTERN MICHIGAN
TONIGHT THROUGH WEDNESDAY...

.A MOISTURE LADEN LOW PRESSURE SYSTEM DEEPENING ACROSS THE CENTRAL
PLAINS STATES THIS EVENING WILL MOVE THROUGH THE OHIO VALLEY
LATE TONIGHT THROUGH WEDNESDAY. MEANWHILE...A LARGE AREA OF ARCTIC HIGH
PRESSURE WILL REMAIN ANCHORED OVER CENTRAL AND EASTERN CANADA. THE
RESULTING NORTHEAST WINDS INTO LOWER MICHIGAN WILL MAINTAIN A
SUPPLY OF COLDER AIR NEAR THE GROUND SETTING THE STAGE FOR A MIX
OF PRECIPITATION TYPES. THE COMBINATION OF SUBSTANTIAL MOISTURE...
WARM AIR ALOFT...AND COLD AIR NEAR THE SURFACE IS EXPECTED TO
RESULT IN APPRECIABLE AMOUNTS OF FREEZING RAIN...SLEET...AND SNOW
ACROSS THE REGION.

MIZ060>063-068>070-230400-
/O.EXT.KDTX.WS.W.0006.110323T0000Z-110323T1800Z/
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON...
HOWELL...PONTIAC...WARREN
400 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO
2 PM EDT WEDNESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 8 PM THIS EVENING
TO 2 PM EDT WEDNESDAY. 

IMPACTS...

 * SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS EXPECTED TONIGHT
   AND WEDNESDAY.

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING 
   IN POWER OUTAGES. 

 * ROADWAYS ARE EXPECTED TO BE ICE COVERED AND SLIPPERY TONIGHT AND
   WEDNESDAY...MAKING TRAVEL DANGEROUS BY THE WEDNESDAY MORNING
   COMMUTE.

HAZARDOUS WEATHER...

 * PRECIPITATION WILL BEGIN AS A MIX OF RAIN...SLEET AND SNOW
   EARLY THIS EVENING...AND THEN CHANGE TO PRIMARILY FREEZING RAIN
   AND SLEET BY LATE EVENING THROUGH THE OVERNIGHT HOURS. THE
   PEAK INTENSITY OF THE EVENT WILL OCCUR THIS EVENING AND PERSIST
   INTO THE PRE-DAWN HOURS OF WEDNESDAY. PERIODS OF LIGHT FREEZING
   RAIN WILL LINGER INTO WEDNESDAY. TOTAL ICE ACCRETION ON
   ELEVATED OBJECTS...SUCH AS TREES AND POWER LINES...IS EXPECTED
   TO EXCEED A QUARTER INCH ALONG WITH SUBSTANTIAL AMOUNTS OF
   SLEET.

 * PRECIPITATION RATES MAY BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS SLEET AND 
   ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. 
   THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ047>049-230400-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE
400 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY. 

IMPACTS...

 * ROADWAYS WILL BECOME COVERED WITH SNOW AND ICE TONIGHT AND
   WEDNESDAY...MAKING TRAVEL DANGEROUS BY THE WEDNESDAY MORNING
   COMMUTE.

HAZARDOUS WEATHER...

 * SNOW AND SLEET WILL SPREAD OVER THE REGION EARLY THIS EVENING...
   INCREASE IN INTENSITY AND BECOME ALL SNOW OVERNIGHT. THE PEAK
   INTENSITY OF THIS PRECIPITATION IS EXPECTED TO OCCUR FROM ABOUT
   MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY.

 * TOTAL SNOWFALL OF 5 TO 10 INCHES IS EXPECTED.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND 
   SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO 
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ053>055-230400-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...SAGINAW...CARO...SANDUSKY
400 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM EDT WEDNESDAY. 

IMPACTS...

 * APPRECIABLE ICING OF POWER LINES AND TREE LIMBS IS EXPECTED
   TONIGHT AND WEDNESDAY.

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING
   IN SPORADIC POWER OUTAGES.

 * ROADWAYS WILL BECOME COVERED WITH SNOW AND ICE TONIGHT AND
   WEDNESDAY...MAKING TRAVEL DANGEROUS BY THE WEDNESDAY MORNING
   COMMUTE.

HAZARDOUS WEATHER...

 * SNOW AND RAIN WILL WILL SPREAD OVER THE REGION EARLY THIS
   EVENING. THE PRECIPITATION IS EXPECTED TO CONVERT TO A FREEZING
   RAIN...SLEET MIXTURE DURING THE EVENING...THEN CHANGE BACK TO
   SNOW WEDNESDAY MORNING. THE PEAK INTENSITY OF THIS
   PRECIPITATION IS EXPECTED TO OCCUR FROM LATE EVENING THROUGH
   WEDNESDAY MORNING.

 * ICE ACCRETION UP TO A QUARTER OF AN INCH ON ELEVATED SURFACES...
   SUCH AS TREES AND POWER LINES...IS EXPECTED SOUTH OF M-46.

 * TOTAL SNOW AND SLEET ACCUMULATION OF 2 TO 5 INCHES IS
   EXPECTED...WITH THE GREATEST AMOUNTS NORTH OF M-46.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET
   AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MIZ075-076-230400-
/O.EXT.KDTX.WW.Y.0015.110323T0000Z-110323T1800Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
400 PM EDT TUE MAR 22 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING
TO 2 PM EDT WEDNESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 8 PM THIS
EVENING TO 2 PM EDT WEDNESDAY. 

IMPACTS...

 * ICING OF POWER LINES AND TREE LIMBS IS EXPECTED TONIGHT AND
   EARLY WEDNESDAY.

 * ROADWAYS MAY BECOME ICE COVERED AND SLIPPERY TONIGHT AND
   WEDNESDAY...WHICH WILL HAVE A NEGATIVE IMPACT ON THE WEDNESDAY
   MORNING COMMUTE.

HAZARDOUS WEATHER...

 * RAIN SHOWERS THIS EVENING WILL CHANGE TO A WINTRY MIX OF
   FREEZING RAIN AND SLEET. INTENSITY OF THE MIXED PRECIPITATION
   IS EXPECTED INCREASE LATE THIS EVENING AND CARRY THROUGH THE
   BALANCE OF THE NIGHT. ICE ACCRETIONS AROUND A TENTH OF AN INCH
   ON ELEVATED SURFACES...SUCH AS TREES AND POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET MEANS 
   PERIODS OF FREEZING RAIN AND SLEET ARE IMMINENT OR OCCURRING. 
   SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE 
   PREPARED TO USE CAUTION WHEN TRAVELING. 

&&

$$

MANN
565 
WWUS43 KDTX 222259
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
659 PM EDT TUE MAR 22 2011

...LATE SEASON WINTER STORM TO IMPACT SOUTHEASTERN MICHIGAN
TONIGHT THROUGH WEDNESDAY...

.A MOISTURE LADEN LOW PRESSURE SYSTEM DEEPENING ACROSS THE
CENTRAL PLAINS STATES THIS EVENING WILL MOVE THROUGH THE OHIO
VALLEY LATE TONIGHT THROUGH WEDNESDAY. MEANWHILE...A LARGE AREA
OF ARCTIC HIGH PRESSURE WILL REMAIN ANCHORED OVER CENTRAL AND
EASTERN CANADA. THE RESULTING NORTHEAST WINDS INTO LOWER MICHIGAN
WILL MAINTAIN A SUPPLY OF COLDER AIR NEAR THE GROUND SETTING THE
STAGE FOR A MIX OF PRECIPITATION TYPES. THE COMBINATION OF
SUBSTANTIAL MOISTURE... WARM AIR ALOFT...AND COLD AIR NEAR THE
SURFACE IS EXPECTED TO RESULT IN APPRECIABLE AMOUNTS OF FREEZING
RAIN...SLEET...AND SNOW ACROSS THE REGION.

MIZ047>049-230700-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE
659 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY. 

IMPACTS...

 * ROADWAYS WILL BECOME COVERED WITH SNOW AND ICE TONIGHT AND 
   WEDNESDAY...MAKING TRAVEL DANGEROUS BY THE WEDNESDAY MORNING 
   COMMUTE. 

HAZARDOUS WEATHER...

 * SNOW AND SLEET WILL CONTINUE THIS EVENING. THE PEAK INTENSITY
   OF THIS PRECIPITATION IS EXPECTED TO OCCUR FROM ABOUT MIDNIGHT
   TONIGHT THROUGH NOON WEDNESDAY.

 * TOTAL SNOWFALL OF 5 TO 10 INCHES IS EXPECTED.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND 
   SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO 
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ053>055-230700-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110324T0000Z/
SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...SAGINAW...CARO...SANDUSKY
659 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY. 

IMPACTS...

 * APPRECIABLE ICING OF POWER LINES AND TREE LIMBS IS EXPECTED 
   TONIGHT AND WEDNESDAY. 

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING 
   IN SPORADIC POWER OUTAGES. 

 * ROADWAYS WILL BECOME COVERED WITH SNOW AND ICE TONIGHT AND 
   WEDNESDAY...MAKING TRAVEL DANGEROUS BY THE WEDNESDAY MORNING 
   COMMUTE. 

HAZARDOUS WEATHER...

 * SNOW WILL CONTINUE EARLY THIS EVENING. THE PRECIPITATION IS
   EXPECTED TO CONVERT TO A FREEZING RAIN...SLEET MIXTURE DURING
   THE EVENING...THEN CHANGE BACK TO SNOW WEDNESDAY MORNING. THE
   PEAK INTENSITY OF THIS PRECIPITATION IS EXPECTED TO OCCUR FROM
   LATE EVENING THROUGH WEDNESDAY MORNING.

 * ICE ACCRETION UP TO A QUARTER OF AN INCH ON ELEVATED
   SURFACES...SUCH AS TREES AND POWER LINES...IS EXPECTED SOUTH
   OF M-46.

 * TOTAL SNOW AND SLEET ACCUMULATION OF 3 TO 5 INCHES IS EXPECTED...
   WITH THE GREATEST AMOUNTS NORTH OF M-46.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... 
   SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE 
   ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR 
   IMPOSSIBLE. 

&&

$$

MIZ060>063-068>070-230700-
/O.CON.KDTX.WS.W.0006.110323T0000Z-110323T1800Z/
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON...
HOWELL...PONTIAC...WARREN
659 PM EDT TUE MAR 22 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY. 

IMPACTS...

 * SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS EXPECTED 
   TONIGHT AND WEDNESDAY. 

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING 
   IN POWER OUTAGES. 

 * ROADWAYS ARE EXPECTED TO BE ICE COVERED AND SLIPPERY TONIGHT 
   AND WEDNESDAY...MAKING TRAVEL DANGEROUS BY THE WEDNESDAY 
   MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * SNOW AND SLEET WILL CONTINUE EARLY THIS EVENING...AND THEN
   CHANGE TO PRIMARILY FREEZING RAIN AND SLEET BY LATE EVENING
   THROUGH THE OVERNIGHT HOURS. THE PEAK INTENSITY OF THE EVENT
   WILL OCCUR THIS EVENING AND PERSIST INTO THE PRE-DAWN HOURS OF
   WEDNESDAY. PERIODS OF LIGHT FREEZING RAIN WILL LINGER INTO
   WEDNESDAY. 

 * TOTAL ICE ACCRETION ON ELEVATED OBJECTS...SUCH AS TREES AND
   POWER LINES...IS EXPECTED TO EXCEED A QUARTER INCH ALONG WITH
   SUBSTANTIAL AMOUNTS OF SLEET.

 * SNOW ACCUMULATIONS UP TO 2 INCHES CAN BE EXPECTED THIS EVENING.

 * PRECIPITATION RATES MAY BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS SLEET AND 
   ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. 
   THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ075-076-230700-
/O.CON.KDTX.WW.Y.0015.110323T0000Z-110323T1800Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
659 PM EDT TUE MAR 22 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY. 

IMPACTS...

 * ICING OF POWER LINES AND TREE LIMBS IS EXPECTED TONIGHT AND 
   EARLY WEDNESDAY. 

 * ROADWAYS MAY BECOME ICE COVERED AND SLIPPERY TONIGHT AND 
   WEDNESDAY...WHICH WILL HAVE A NEGATIVE IMPACT ON THE 
   WEDNESDAY MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * RAIN AND SLEET SHOWERS THIS EVENING WILL CHANGE TO A MIX OF
   FREEZING RAIN AND SLEET OVERNIGHT. 

 * ICE ACCRETIONS AROUND A TENTH OF AN INCH ON ELEVATED
   SURFACES...SUCH AS TREES AND POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET MEANS 
   PERIODS OF FREEZING RAIN AND SLEET ARE IMMINENT OR OCCURRING. 
   SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE 
   PREPARED TO USE CAUTION WHEN TRAVELING. 

&&

$$

MANN
687 
WWUS43 KDTX 230403
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1203 AM EDT WED MAR 23 2011

...LATE SEASON WINTER STORM TO IMPACT SOUTHEASTERN MICHIGAN
TONIGHT THROUGH WEDNESDAY...

.A MOISTURE LADEN LOW PRESSURE SYSTEM DEEPENING ACROSS THE
CENTRAL PLAINS STATES THIS EVENING WILL MOVE THROUGH THE OHIO
VALLEY LATE TONIGHT THROUGH WEDNESDAY. MEANWHILE...A LARGE AREA
OF ARCTIC HIGH PRESSURE WILL REMAIN ANCHORED OVER CENTRAL AND
EASTERN CANADA. THE RESULTING NORTHEAST WINDS INTO LOWER MICHIGAN
WILL MAINTAIN A SUPPLY OF COLDER AIR NEAR THE GROUND SETTING THE
STAGE FOR A MIX OF PRECIPITATION TYPES. THE COMBINATION OF
SUBSTANTIAL MOISTURE...WARM AIR ALOFT...AND COLD AIR NEAR THE
SURFACE IS EXPECTED TO RESULT IN APPRECIABLE AMOUNTS OF FREEZING
RAIN...SLEET...AND SNOW ACROSS THE REGION.

MIZ047>049-231215-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE
1203 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY. 

IMPACTS...

 * SNOW COVERED ROADS WILL CREATE DANGEROUS TRAVEL CONDITIONS
   THROUGH THE MORNING HOURS. THIS WILL IMPACT THE WEDNESDAY
   MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * SNOW AND SLEET WILL CONTINUE ACROSS THE AREA THROUGH THE EARLY
   MORNING HOURS. BURSTS OF HEAVIER PRECIPITATION WILL OCCUR
   DURING THIS TIME. ADDITIONAL ACCUMULATION OF SNOW AND SLEET
   WILL RANGE FROM 1 TO LOCALLY UP TO 3 INCHES THROUGH 4 AM.

 * TOTAL SNOWFALL OF 5 TO 10 INCHES IS EXPECTED THROUGH WEDNESDAY 
   EVENING.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND 
   SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO 
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ053>055-231215-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...SAGINAW...CARO...SANDUSKY
1203 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY. 

IMPACTS...

 * SNOW AND ICE COVERED ROADWAYS WILL MAKE TRAVEL DANGEROUS FOR
   THE WEDNESDAY MORNING COMMUTE.

 * APPRECIABLE ICING OF POWER LINES AND TREE LIMBS IS EXPECTED 
   TONIGHT AND WEDNESDAY. 

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING
   IN SPORADIC POWER OUTAGES.

HAZARDOUS WEATHER...

 * SNOW AND SLEET WILL CONTINUE THROUGH THE EARLY MORNING HOURS.
   THIS PRECIPATION MAY MIX WITH FREEZING RAIN AT TIMES. BURSTS OF
   HEAVIER PRECIPITATION WILL RESULT IN ADDITIONAL ACCUMULATION OF
   SNOW AND SLEET RANGING FROM 1 TO LOCALLY UP TO 3 INCHES THROUGH
   4 AM.

 * TOTAL SNOW AND SLEET ACCUMULATION OF 6 TO 9 INCHES IS
   EXPECTED...WITH THE GREATEST AMOUNTS NORTH OF M-46.

 * ICE ACCRETION UP TO A TENTH OF AN INCH ON ELEVATED
   SURFACES...SUCH AS TREES AND POWER LINES...IS EXPECTED SOUTH OF
   M-46.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES WITH THUNDER
   ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... 
   SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE 
   ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR 
   IMPOSSIBLE. 

&&

$$

MIZ060>063-068>070-231215-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110323T1800Z/
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON...
HOWELL...PONTIAC...WARREN
1203 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY. 

IMPACTS...

 * SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS EXPECTED 
   TONIGHT AND WEDNESDAY. 

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING 
   IN POWER OUTAGES. 

 * ROADWAYS ARE EXPECTED TO BE ICE COVERED AND SLIPPERY TONIGHT
   AND WEDNESDAY...MAKING TRAVEL DANGEROUS FOR THE WEDNESDAY
   MORNING COMMUTE.

HAZARDOUS WEATHER...

 * A MIX OF RAIN...SNOW AND SLEET WILL CONTINUE THROUGH THE EARLY
   MORNING HOURS. THIS PRECIPITATION WILL TRANSITION TOWARD A
   RAIN...SLEET AND FREEZING RAIN MIXTURE TOWARD THE PRE-DAWN
   HOURS OF WEDNESDAY. ADDITIONAL SNOW ACCUMULATIONS OF UP 2
   INCHES WILL BE POSSIBLE THROUGH 4 AM ALONG THE I-69 CORRIDOR. 

 * TOTAL ICE ACCRETION ON ELEVATED OBJECTS...SUCH AS TREES AND
   POWER LINES...IS EXPECTED TO REACH UP TO A QUARTER INCH ALONG
   WITH SUBSTANTIAL AMOUNTS OF SLEET.

 * ADDITIONAL SNOW ACCUMULATIONS WILL REMAIN LESS THAN ONE INCH
   OVERNIGHT. 

 * PRECIPITATION RATES MAY BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS SLEET AND 
   ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. 
   THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ075-076-231215-
/O.CON.KDTX.WW.Y.0015.000000T0000Z-110323T1800Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
1203 AM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
WEDNESDAY. 

IMPACTS...

 * ICING OF POWER LINES AND TREE LIMBS IS EXPECTED TONIGHT AND 
   EARLY WEDNESDAY. 

 * ROADWAYS MAY BECOME ICE COVERED AND SLIPPERY TONIGHT AND 
   WEDNESDAY...WHICH WILL HAVE A NEGATIVE IMPACT ON THE 
   WEDNESDAY MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * A MIX OF RAIN AND SLEET WILL CONTINUE THROUGH 4 AM. THIS
   PRECIPITATION WILL ALSO BEGIN TO MIX WITH FREEZING RAIN IN SOME
   LOCATIONS AS TEMPERATURES SLOWELY LOWER TO FREEZING.

 * ICE ACCRETIONS AROUND A TENTH OF AN INCH ON ELEVATED 
   SURFACES...SUCH AS TREES AND POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET MEANS 
   PERIODS OF FREEZING RAIN AND SLEET ARE IMMINENT OR OCCURRING. 
   SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE 
   PREPARED TO USE CAUTION WHEN TRAVELING. 

&&

$$
908 
WWUS43 KDTX 230813
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
413 AM EDT WED MAR 23 2011

...LATE SEASON WINTER STORM IMPACTING SOUTHEAST MICHIGAN TODAY...

.A MOISTURE LADEN LOW PRESSURE SYSTEM WILL MOVE FROM ILLINOIS TO
WESTERN PENNSYLVANIA TODAY. MEANWHILE...A LARGE AREA OF ARCTIC
HIGH PRESSURE WILL REMAIN ANCHORED OVER CENTRAL AND EASTERN
CANADA. THE RESULTING NORTHEAST WINDS INTO LOWER MICHIGAN WILL
MAINTAIN A SUPPLY OF COLDER AIR NEAR THE GROUND SETTING THE STAGE
FOR A MIX OF PRECIPITATION TYPES TO CONTINUE OVER THE REGION
TODAY. THE COMBINATION OF SUBSTANTIAL MOISTURE...WARM AIR
ALOFT...AND COLD AIR NEAR THE SURFACE WILL RESULT IN APPRECIABLE
AMOUNTS OF FREEZING RAIN...SLEET...AND SNOW ACROSS THE REGION.


MIZ047>049-231615-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE
413 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

IMPACTS...

 * SNOW COVERED ROADS WILL CREATE DANGEROUS TRAVEL CONDITIONS
   THROUGH TODAY...ESPECIALLY DURING THE MORNING COMMUTE.

HAZARDOUS WEATHER...

 * MAINLY SNOW WILL CONTINUE ACROSS THE AREA THROUGH THE EARLY
   MORNING HOURS...FOLLOWED BY A LULL AROUND MID MORNING...AND
   THEN AN INCREASE AGAIN DURING THE AFTERNOON. ADDITIONAL SNOW
   ACCUMULATION AROUND 2 INCHES IS EXPECTED BETWEEN 4 AM AND 8 AM.

*  CONSIDERING THE ADDITIONAL SNOWFALL EXPECTED TODAY IN THE 3 TO
   5 INCH RANGE...STORM TOTAL SNOWFALL OF OF 6 TO 10 INCHES IS
   EXPECTED.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES BOTH EARLY THIS
   MORNING AND DURING THE AFTERNOON WITH THUNDER ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND 
   SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO 
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ053>055-231615-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...SAGINAW...CARO...SANDUSKY
413 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

IMPACTS...

 * SNOW AND ICE COVERED ROADS WILL CREATE DANGEROUS TRAVEL
   CONDITIONS THROUGH TODAY...ESPECIALLY DURING THE MORNING
   COMMUTE.

HAZARDOUS WEATHER...

 * SNOW AND INTERVALS OF SLEET WILL CONTINUE ACROSS THE AREA
   THROUGH THE EARLY MORNING HOURS...FOLLOWED BY A LULL AROUND MID
   MORNING...AND THEN AN INCREASE IN SNOW AGAIN DURING THE
   AFTERNOON. ADDITIONAL SNOW AND SLEET ACCUMULATION OF 1 TO 2
   INCHES IS EXPECTED BETWEEN 4 AM AND 8 AM.

*  CONSIDERING THE ADDITIONAL SNOWFALL EXPECTED TODAY...MAINLY
   DURING THE AFTERNOON...IN THE 3 TO 5 INCH RANGE...STORM TOTAL
   SNOWFALL OF OF 6 TO 10 INCHES IS EXPECTED.

 * PRECIPITATION RATES WILL BE EXCESSIVE AT TIMES BOTH EARLY THIS
   MORNING AND DURING THE AFTERNOON WITH THUNDER ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... 
   SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE 
   ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR 
   IMPOSSIBLE. 

&&

$$

MIZ060>063-068>070-231615-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110323T1800Z/
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON...
HOWELL...PONTIAC...WARREN
413 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON. 

IMPACTS...

 * SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS EXPECTED
   THIS MORNING...ALONG WITH ADDITIONAL ACCUMULATION OF
   SLEET...AND THEN SNOW BY THIS AFTERNOON. 

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING
   IN POWER OUTAGES. ISOLATED POWER OUTAGES HAVE BEEN REPORTED IN
   SOUTHERN LAPEER...NORTHEAST OAKLAND...AND NORTHERN MACOMB
   COUNTIES. 

 * UNTREATED ROADWAYS ARE EXPECTED TO BE ICE COVERED...MAKING
   TRAVEL DANGEROUS...ESPECIALLY DURING THE MORNING COMMUTE.

HAZARDOUS WEATHER...

 * A MIX OF FREEZING RAIN AND SLEET WILL CONTINUE THROUGH THE
   EARLY MORNING HOURS. THIS PRECIPITATION WILL TRANSITION TOWARD
   SLEET AND SNOW BY LATE MORNING INTO THE EARLY AFTERNOON.
 
 * TOTAL ICE ACCRETION ON ELEVATED OBJECTS...SUCH AS TREES AND 
   POWER LINES...IS EXPECTED TO REACH UP TO A QUARTER INCH ALONG 
   WITH SUBSTANTIAL AMOUNTS OF SLEET. 

 * SNOW ACCUMULATIONS IN THE 1 TO 3 INCH RANGE IS EXPECTED MAINLY
   THIS AFTERNOON. 

 * PRECIPITATION RATES MAY BE EXCESSIVE AT TIMES WITH THUNDER 
   ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS SLEET AND 
   ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. 
   THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ075-076-231615-
/O.CON.KDTX.WW.Y.0015.000000T0000Z-110323T1800Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
413 AM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON. 

IMPACTS...

 * ICING OF POWER LINES AND TREE LIMBS IS EXPECTED TODAY. 

 * UNTREATED ROADWAYS MAY BECOME ICE COVERED...WHICH WILL HAVE A
   NEGATIVE IMPACT ON TRAVEL CONDITIONS. 

HAZARDOUS WEATHER...

 * A MIX OF RAIN AND SLEET WILL CONTINUE THROUGH THE MORNING HOURS
   AS TEMPERATURES FALL STEADILY BELOW FREEZING. MAINLY FREEZING
   DRIZZLE IS EXPECTED THIS AFTERNOON.

 * ICE ACCRETIONS AROUND A TENTH OF AN INCH ON ELEVATED 
   SURFACES...SUCH AS TREES AND POWER LINES. 

 * PRECIPITATION RATES MAY BE EXCESSIVE AT TIMES WITH THUNDER
   ALSO POSSIBLE DURING THE MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET MEANS 
   PERIODS OF FREEZING RAIN AND SLEET ARE IMMINENT OR OCCURRING. 
   SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE 
   PREPARED TO USE CAUTION WHEN TRAVELING. 

&&

$$

BT
592 
WWUS43 KDTX 231203
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
803 AM EDT WED MAR 23 2011

...LATE SEASON WINTER STORM IMPACTING SOUTHEAST MICHIGAN TODAY...

.A MOISTURE LADEN LOW PRESSURE SYSTEM WILL MOVE FROM ILLINOIS TO
WESTERN PENNSYLVANIA TODAY. MEANWHILE...A LARGE AREA OF ARCTIC
HIGH PRESSURE WILL REMAIN ANCHORED OVER CENTRAL AND EASTERN
CANADA. THE RESULTING NORTHEAST WINDS INTO LOWER MICHIGAN WILL
MAINTAIN A SUPPLY OF COLDER AIR NEAR THE GROUND SETTING THE STAGE
FOR A MIX OF PRECIPITATION TYPES TO CONTINUE OVER THE REGION
TODAY. THE COMBINATION OF SUBSTANTIAL MOISTURE AND WARM AIR
ALOFT...AND COLD AIR NEAR THE SURFACE WILL RESULT IN A MIX OF
FREEZING RAIN...SLEET...AND SNOW ACROSS THE REGION.

MIZ060>063-068>070-232015-
/O.EXT.KDTX.WS.W.0006.000000T0000Z-110323T2100Z/
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON...
HOWELL...PONTIAC...WARREN
803 AM EDT WED MAR 23 2011

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON. 

IMPACTS...

 * ADDITIONAL SIGNIFICANT ICING OF POWER LINES AND TREE LIMBS IS
   EXPECTED THIS MORNING...ALONG WITH ADDITIONAL ACCUMULATION OF
   SLEET...AND THEN SNOW BY THIS AFTERNOON.

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING
   IN POWER OUTAGES. POWER OUTAGES AND DOWNED TREE LIMBS HAVE BEEN
   REPORTED IN SOUTHERN LAPEER...NORTHEAST OAKLAND...NORTHERN
   MACOMB...AND WESTERN ST. CLAIR COUNTIES.

 * UNTREATED ROADWAYS ARE EXPECTED TO BE ICE COVERED...MAKING 
   TRAVEL DANGEROUS...ESPECIALLY DURING THE MORNING COMMUTE. 

HAZARDOUS WEATHER...

 * A MIX OF FREEZING RAIN AND SLEET WILL CONTINUE THROUGH THE
   EARLY MORNING HOURS. THIS PRECIPITATION WILL TRANSITION TOWARD
   SLEET AND SNOW BY EARLY AFTERNOON. A FEW INTERVALS OF LIGHT
   FREEZING DRIZZLE IS ALSO POSSIBLE. 

 * TOTAL ICE ACCRETION ON ELEVATED OBJECTS...SUCH AS TREES AND
   POWER LINES...IS EXPECTED TO REACH NEAR A HALF INCH ALONG WITH
   SUBSTANTIAL AMOUNTS OF SLEET.

 * SNOW ACCUMULATIONS IN THE 1 TO 3 INCH RANGE IS EXPECTED THIS
   AFTERNOON...MAINLY ALONG AND NORTH OF THE INTERSTATE 69
   CORRIDOR. 

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE WITH PERIOD OF
   LIGHT PRECIPITATION IN THE FORM OF FREEZING DRIZZLE FOLLOWED BY
   BURSTS OF FREEZING RAIN AND SLEET BECOMING INCREASINGLY MIXED
   WITH SNOW THROUGH THE DAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS SLEET AND 
   ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. 
   THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ047>049-232015-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE
803 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

IMPACTS...

 * SNOW COVERED ROADS WILL CREATE DANGEROUS TRAVEL CONDITIONS
   THROUGH TODAY.

HAZARDOUS WEATHER...

 * MAINLY SNOW WILL CONTINUE ACROSS THE AREA THROUGH THE MORNING.
   A BREAK IN THE ACTION DURING THE LATE MORNING COULD INCLUDE
   SOME LIGHT FREEZING DRIZZLE. AN INCREASE IN SNOW IS THEN
   EXPECTED DURING THE AFTERNOON. 

 * CONSIDERING THE ADDITIONAL SNOWFALL EXPECTED TODAY IN THE 3 
   TO 5 INCH RANGE...STORM TOTAL SNOWFALL OF OF 6 TO 10 INCHES 
   IS EXPECTED. 

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE THROUGH THE DAY BUT
   WITH HEAVY SNOW MOST EXPECTED DURING THE EARLY TO MID
   AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND 
   SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO 
   POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

MIZ053>055-232015-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...SAGINAW...CARO...SANDUSKY
803 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

IMPACTS...

 * SNOW AND ICE COVERED ROADS WILL CREATE DANGEROUS TRAVEL
   CONDITIONS THROUGH TODAY.

HAZARDOUS WEATHER...

 * SNOW AND INTERVALS OF SLEET AND FREEZING DRIZZLE WILL CONTINUE
   ACROSS THE AREA THROUGH THE MORNING...FOLLOWED BY AN INCREASE
   IN SNOW AGAIN DURING THE AFTERNOON. 

 * CONSIDERING THE ADDITIONAL SNOWFALL EXPECTED TODAY...MAINLY 
   DURING THE AFTERNOON...IN THE 3 TO 5 INCH RANGE...STORM TOTAL 
   SNOWFALL OF OF 6 TO 10 INCHES IS EXPECTED. 

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE THROUGH THE DAY BUT
   WITH HEAVY SNOW MOST EXPECTED DURING THE EARLY TO MID
   AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... 
   SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE 
   ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR 
   IMPOSSIBLE. 

&&

$$

MIZ075-076-232015-
/O.EXT.KDTX.WW.Y.0015.000000T0000Z-110323T2100Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
803 AM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON. 

IMPACTS...

 * ICING OF POWER LINES AND TREE LIMBS IS EXPECTED TODAY AS
   TEMPERATURES FALL STEADILY BELOW FREEZING.

 * UNTREATED SURFACES MAY BECOME ICE COVERED AND HAZARDOUS FOR
   TRAVEL AND OUTDOOR ACTIVITY.

HAZARDOUS WEATHER...

 * FREEZING DRIZZLE WILL BECOME THE MAIN PRECIPITATION TYPE AS
   TEMPERATURES DROP BELOW FREEZING DURING THE LATE MORNING
   THROUGH THE AFTERNOON. A FEW INTERVALS OF FREEZING RAIN AND
   SLEET ARE ALSO POSSIBLE. 

 * ICE ACCRETIONS AROUND A TENTH OF AN INCH ON ELEVATED
   SURFACES...SUCH AS TREES AND POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SLEET MEANS 
   PERIODS OF FREEZING RAIN AND SLEET ARE IMMINENT OR OCCURRING. 
   SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE 
   PREPARED TO USE CAUTION WHEN TRAVELING. 

&&

$$

BT
637 
WWUS43 KDTX 231452
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1052 AM EDT WED MAR 23 2011

...A WINTRY MIX OF PRECIPITATION WILL CONTINUE INTO THIS AFTERNOON...

.A MOISTURE LADEN LOW PRESSURE SYSTEM WILL MOVE FROM ILLINOIS TO
WESTERN PENNSYLVANIA TODAY. MEANWHILE...A LARGE AREA OF ARCTIC
HIGH PRESSURE WILL REMAIN ANCHORED OVER CENTRAL AND EASTERN
CANADA. THE RESULTING NORTHEAST WINDS INTO LOWER MICHIGAN WILL
MAINTAIN A SUPPLY OF COLDER AIR NEAR THE GROUND SETTING THE STAGE
FOR A MIX OF PRECIPITATION TYPES TO CONTINUE OVER THE REGION
THIS MORNING. THE COMBINATION OF SUBSTANTIAL MOISTURE AND WARM AIR
ALOFT...AND COLD AIR NEAR THE SURFACE WILL RESULT IN A MIX OF
FREEZING RAIN...SLEET...AND SNOW ACROSS THE REGION. PRECIPITATION
WILL GRADUALLY TRANSITION TO SNOW AS THE ATMOSPHERE COOLS THIS
AFTERNOON.

MIZ060-061-068>070-232100-
/O.CAN.KDTX.WS.W.0006.000000T0000Z-110323T2100Z/
/O.NEW.KDTX.WW.Y.0016.110323T1452Z-110323T2100Z/
SHIAWASSEE-GENESEE-LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...OWOSSO...FLINT...HOWELL...PONTIAC...
WARREN
1052 AM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH
IS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON. THE WINTER STORM
WARNING HAS BEEN CANCELLED.


IMPACTS...

 * ADDITIONAL GLAZING OF MAINLY ELEVATED SURFACES...INCLUDING
   POWER LINES AND TREE LIMBS IS EXPECTED THIS MORNING. ANY BRIEF
   BUT HEAVIER SHOWERS WILL BE CAPABLE OF CAUSING A LIGHT GLAZE ON UNTREATED
   ROADWAYS.

 * WINDS MAY BECOME GUSTY AT TIMES TODAY CAUSING A GREATER BURDEN
   ON LIMBS AND POWER LINES. ISOLATED POWER OUTAGES ARE POSSIBLE
   AND HAVE ALREADY BEEN REPORTED IN GENESEE...NORTHEAST OAKLAND
   AND NORTHERN MACOMB COUNTIES WHERE GREATER ICING OCCURRED OVERNIGHT.

HAZARDOUS WEATHER...

 * SHOWERS OF FREEZING RAIN WILL BECOME SCATTERED THROUGH THE
   REMAINDER OF THE MORNING. ALTHOUGH SHOWERS WILL GENERALLY BE
   LIGHT...A FEW MODERATE SHOWERS ARE POSSIBLE AT
   TIMES...CONTRIBUTING TO A LIGHT GLAZE. TEMPERATURES WILL
   CONTINUE TO FALL...GENERALLY REACHING 29 TO 32 DEGREES.
   
 * NORTHEASTERLY WINDS WILL GUST TO 20 TO 25 MPH AT TIMES.

 * PRECIPITATION WILL EVENTUALLY MIX WITH SLEET BEFORE CHANGING
   OVER TO SNOW AS WE PROGRESS THROUGH THE AFTERNOON. SNOW
   ACCUMULATIONS OF 1 TO 2 INCHES ARE POSSIBLE THIS AFTERNOON
   BETWEEN THE M 59 AND INTERSTATE 69 CORRIDOR. LOCALLY HIGHER
   AMOUNTS WILL BE POSSIBLE NORTH OF INTERSTATE 69.

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE WITH PERIODS OF 
   LIGHT PRECIPITATION IN THE FORM OF FREEZING DRIZZLE FOLLOWED 
   BY BURSTS OF FREEZING RAIN AND SLEET BECOMING INCREASINGLY 
   MIXED WITH SNOW THROUGH THE DAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * 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.

&&

$$

MIZ075-076-231600-
/O.CAN.KDTX.WW.Y.0015.000000T0000Z-110323T2100Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
1052 AM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

IMPACTS...

 * TEMPERATURES HOVERING NEAR THE FREEZING MARK RESULTED IN MINIMAL
   IF ANY ICING OVERNIGHT. LIGHT GLAZING REMAINS POSSIBLE ON
   MAINLY ELEVATED SURFACES AND TREE LIMBS THROUGH THIS AFTERNOON.

 * GROUND TEMPERATURES ARE EXPECTED TO REMAIN WARM ENOUGH THAT ANY
   ADDITIONAL MIXED PRECIPITATION SHOULD HAVE A MINIMAL IMPACT ON ROADWAYS.

HAZARDOUS WEATHER...

 * SCATTERED RAIN SHOWERS WILL CONTINUE INTO THIS AFTERNOON...
   GRADUALLY TRANSITIONING BACK OVER TO A WET SNOW BEFORE COMING
   TO AN END. LITTLE TO NO SNOW ACCUMULATION IS EXPECTED.

 * TEMPERATURES WILL RANGE FROM 31 TO 35 DEGREES TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * SEND REPORTS TO NWS DETROIT/PONTIAC OR VISIT WWW.WEATHER.GOV 
   FOR MORE INFORMATION. 

&&

$$

MIZ047>049-053>055-232300-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE...
SAGINAW...CARO...SANDUSKY
1052 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

IMPACTS...

 * SNOW COVERED ROADS WILL CREATE DANGEROUS TRAVEL CONDITIONS 
   THROUGH TODAY. 

 * ROADWAYS THAT HAVE ALREADY BEEN CLEARED MAY BECOME SNOW COVERED
   AGAIN THIS AFTERNOON AS SNOW INCREASES. 

HAZARDOUS WEATHER...

 * SNOW SHOWERS WILL BE SCATTERED THROUGH THIS MORNING...BECOMING
   MORE STEADY AGAIN BY EARLY AFTERNOON. LIGHT FREEZING DRIZZLE
   MAY BE POSSIBLE DURING ANY BREAKS IN THE SNOW SHOWERS.
   NORTHEAST WINDS WILL GUST TO 25 MPH AT TIMES TODAY.

 * ADDITIONAL SNOWFALL OF 1 TO 4 IS POSSIBLE THROUGH THIS AFTERNOON
   BRINGING STORM TOTALS INTO THE 6 TO 10 INCH RANGE.

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE THROUGH THE DAY BUT
   WITH SNOW EXPECTED TO INCREASE IN COVERAGE AGAIN THIS
   AFTERNOON. VISIBILITIES MAY OCCASIONALLY DROP TO BELOW ONE
   MILE IN SNOW SHOWERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS
   OCCURRING . STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE
   TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MIZ062-063-232100-
/O.CON.KDTX.WS.W.0006.000000T0000Z-110323T2100Z/
LAPEER-ST. CLAIR-
INCLUDING THE CITIES OF...LAPEER...PORT HURON
1052 AM EDT WED MAR 23 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON. 

IMPACTS...

 * SCATTERED FREEZING RAIN SHOWERS THIS MORNING WILL LEAD TO
   ADDITIONAL ICING OF POWER LINES AND TREE LIMBS. A FEW BRIEF BUT
   HEAVIER SHOWERS REMAIN POSSIBLE AND MAY CONTRIBUTE TO ICING ON
   ROADWAYS. 

 * PRECIPITATION WILL GRADUALLY TRANSITION BACK TO SLEET AND SNOW
   THROUGH THE AFTERNOON HOURS AND ROADS MAY BECOME SNOW
   COVERED...MAINLY ACROSS NORTHERN PORTIONS OF LAPEER AND ST
   CLAIR COUNTIES. 

 * GUSTY WINDS MAY DOWN BURDENED LIMBS AND POWER LINES RESULTING
   IN POWER OUTAGES. POWER OUTAGES AND DOWNED TREE LIMBS HAVE BEEN
   REPORTED IN SOUTHERN LAPEER AND WESTERN ST. CLAIR COUNTIES.

 * UNTREATED ROADWAYS ARE EXPECTED TO BE ICE COVERED...MAKING
   TRAVEL DANGEROUS.

HAZARDOUS WEATHER...

 * SHOWERS OF FREEZING RAIN WILL BECOME SCATTERED THIS MORNING AND
   BREAKS IN THE PRECIPITATION ARE POSSIBLE. TEMPERATURES WILL
   REMAIN BELOW FREEZING RANGING FROM 28 TO 32 DEGREES. PRECIPITATION
   WILL GRADUALLY TRANSITION BACK TO SLEET AND SNOW THIS
   AFTERNOON.

 * MINOR ICE ACCRETION REMAINS POSSIBLE MAINLY ON ELEVATED
   OBJECTS...SUCH AS TREES AND POWER LINES. TOTAL ICE ACCUMULATION IS
   EXPECTED TO RANGE FROM A QUARTER INCH TO A HALF INCH.

 * SNOW ACCUMULATIONS IN THE 1 TO 3 INCH RANGE IS EXPECTED THIS 
   AFTERNOON...MAINLY ALONG AND NORTH OF THE INTERSTATE 69 
   CORRIDOR. 

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE WITH PERIOD OF 
   LIGHT PRECIPITATION IN THE FORM OF FREEZING DRIZZLE FOLLOWED 
   BY BURSTS OF FREEZING RAIN AND SLEET BECOMING INCREASINGLY 
   MIXED WITH SNOW THROUGH THE DAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS SLEET AND 
   ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. 
   THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 

&&

$$

KEC/RK
367 
WWUS43 KDTX 231800
WSWDTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
200 PM EDT WED MAR 23 2011

...SHOWERS OF FREEZING RAIN AND SNOW WILL CONTINUE THIS
AFTERNOON...

.A LOW PRESSURE SYSTEM OVER INDIANA WILL MOVE TO WESTERN
PENNSYLVANIA TODAY. MEANWHILE...A LARGE AREA OF ARCTIC HIGH
PRESSURE WILL REMAIN ANCHORED OVER CENTRAL AND EASTERN
CANADA...PROVIDING NORTHEASTERLY WINDS AND FALLING SURFACE
TEMPERATURES. WITH WARM AIR IN THE ATMOSPHERE ALOFT AND COLD AIR
NEAR THE SURFACE...A MIX OF FREEZING RAIN...SLEET ...AND SNOW
WILL CONTINUE THROUGH THE AFTERNOON HOURS. PRECIPITATION WILL
GRADUALLY TRANSITION TO ALL SNOW BEFORE COMING TO AN END EARLY
THIS EVENING. NORTHEASTERLY WINDS DOWNWIND OF LAKE HURON WILL
REMAIN BREEZY THIS AFTERNOON WITH GUSTS TO 25 MPH. 

MIZ055-232100-
/O.CAN.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
/O.EXA.KDTX.WW.Y.0016.000000T0000Z-110323T2100Z/
SANILAC-
INCLUDING THE CITY OF...SANDUSKY
200 PM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION WHICH IS
IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON. THE WINTER STORM WARNING
HAS BEEN CANCELLED.

IMPACTS...

 * ADDITIONAL GLAZING OF MAINLY ELEVATED SURFACES...INCLUDING
   POWER LINES AND TREE LIMBS IS EXPECTED THIS AFTERNOON. A FEW
   BRIEF BUT HEAVIER SHOWERS OF FREEZING RAIN AND SLEET MAY BE
   CAPABLE OF CAUSING A LIGHT GLAZE WITH SLICK CONDITIONS ON
   UNTREATED SIDEWALKS AND ROADWAYS.

 * NORTHEAST WINDS WILL BE GUSTY THIS AFTERNOON CAUSING A GREATER
   BURDEN ON SNOW AND ICE COVERED LIMBS AND POWER LINES. ISOLATED
   POWER OUTAGES REMAIN POSSIBLE.

HAZARDOUS WEATHER...

 * ANOTHER ROUND OF FREEZING RAIN AND SLEET WILL MOVE NORTHEAST
   ACROSS THE AREA THIS AFTERNOON. THE FREEZING RAIN WILL
   GENERALLY BE LIGHT...BUT A FEW HEAVIER SHOWERS WILL BE POSSIBLE
   AND MAY CAUSE SLICK CONDITIONS TO DEVELOP RAPIDLY.
   TEMPERATURES WILL REMAIN IN THE UPPER 20S THIS AFTERNOON.

 * NORTHEASTERLY WINDS WILL GUST TO 20 TO 25 MPH AT TIMES.

 * PRECIPITATION WILL EVENTUALLY CHANG OVER TO SNOW BEFORE COMING
   TO END THIS EVENING. THE EXACT TIMING OF THE CHANGE OVER TO
   SNOW WILL EFFECT ACCUMULATIONS. ADDITIONAL SNOW ACCUMULATIONS
   WILL GENERALLY BE LESS THAN 2 INCHES THROUGH EARLY EVENING.

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE WITH PERIODS OF
   LIGHT PRECIPITATION FOLLOWED BY BURSTS OF FREEZING RAIN AND
   SLEET BECOMING INCREASINGLY MIXED WITH SNOW THROUGH THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * 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.

&&

$$

MIZ062-232100-
/O.CAN.KDTX.WS.W.0006.000000T0000Z-110323T2100Z/
/O.EXA.KDTX.WW.Y.0016.000000T0000Z-110323T2100Z/
LAPEER-
INCLUDING THE CITY OF...LAPEER
200 PM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER WEATHER ADVISORY FOR A WINTRY MIX OF PRECIPITATION...WHICH
IS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON. THE WINTER STORM
WARNING HAS BEEN CANCELLED.

IMPACTS...

 * ADDITIONAL GLAZING OF MAINLY ELEVATED SURFACES...INCLUDING
   POWER LINES AND TREE LIMBS IS EXPECTED THIS AFTERNOON. A FEW
   BRIEF BUT HEAVIER SHOWERS OF FREEZING RAIN AND SLEET MAY BE
   CAPABLE OF CAUSING A LIGHT GLAZE WITH SLICK CONDITIONS ON
   UNTREATED SIDEWALKS AND ROADWAYS.

 * NORTHEAST WINDS WILL BE GUSTY THIS AFTERNOON CAUSING A GREATER
   BURDEN ON SNOW AND ICE COVERED LIMBS AND POWER LINES. ISOLATED
   POWER OUTAGES REMAIN POSSIBLE.

HAZARDOUS WEATHER...

 * ANOTHER ROUND OF FREEZING RAIN AND SLEET WILL MOVE NORTHEAST
   ACROSS THE AREA THIS AFTERNOON. THE FREEZING RAIN WILL
   GENERALLY BE LIGHT...BUT A FEW HEAVIER SHOWERS WILL BE POSSIBLE
   AND MAY CAUSE SLICK CONDITIONS TO DEVELOP RAPIDLY.
   TEMPERATURES WILL REMAIN IN THE UPPER 20S THIS AFTERNOON.

 * NORTHEASTERLY WINDS WILL GUST TO 20 TO 25 MPH AT TIMES.

 * PRECIPITATION WILL EVENTUALLY CHANG OVER TO SNOW BEFORE COMING
   TO END THIS EVENING. THE EXACT TIMING OF THE CHANGE OVER TO
   SNOW WILL EFFECT ACCUMULATIONS. ADDITIONAL SNOW ACCUMULATIONS
   WILL GENERALLY BE LESS THAN 2 INCHES THROUGH EARLY EVENING.

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE WITH PERIODS OF
   LIGHT PRECIPITATION FOLLOWED BY BURSTS OF FREEZING RAIN AND
   SLEET BECOMING INCREASINGLY MIXED WITH SNOW THROUGH THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * 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.

&&

$$

MIZ047>049-053-054-240000-
/O.CAN.KDTX.WS.W.0006.000000T0000Z-110324T0000Z/
/O.EXB.KDTX.WW.Y.0016.000000T0000Z-110324T0000Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE...
SAGINAW...CARO
200 PM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
WINTER WEATHER ADVISORY FOR SLEET AND SNOW...WHICH IS IN EFFECT
UNTIL 8 PM EDT THIS EVENING. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

IMPACTS...

 * ANOTHER ROUND OF SLEET AND SNOW WILL CONTRIBUTE TO SLUSHY
   CONDITIONS ON ROADWAYS THROUGH LATE THIS AFTERNOON...LEADING TO
   SLICK CONDITIONS.

 * WINDS DOWNWIND OF LAKE HURON WILL BECOME GUSTY AT TIMES TODAY
   CAUSING A GREATER BURDEN ON SNOW COVERED LIMBS AND POWER LINES.
   ISOLATED POWER OUTAGES ARE POSSIBLE. 

HAZARDOUS WEATHER...

 * ANOTHER ROUND OF SNOW AND SLEET WILL LIFT NORTHEAST ACROSS THE
   SAGINAW VALLEY AND THUMB THIS AFTERNOON. FREEZING RAIN MAY ALSO
   MIX IN ESPECIALLY SOUTH OF ROUTE 46. THIS BAND OF PRECIPITATION
   IS EXPECTED TO BECOME MORE STATIONARY ACROSS NORTHERN PORTIONS
   OF MIDLAND...BAY AND HURON COUNTIES BY LATE AFTERNOON.
   TEMPERATURES WILL REMAIN IN THE UPPER 20S.

 * ADDITIONAL SNOW ACCUMULATIONS WILL GENERALLY RANGE FROM 1 TO 2
   INCHES THIS AFTERNOON. MINOR ICING IS ALSO POSSIBLE...MAINLY
   SOUTH OF ROUTE 46.

 * NORTHEASTERLY WINDS WILL GUST TO 20 TO 25 MPH AT TIMES
   ESPECIALLY DOWNWIND OF LAKE HURON.

 * PRECIPITATION RATES WILL BE WIDELY VARIABLE WITH PERIODS OF
   LIGHT PRECIPITATION IN THE FORM OF FREEZING DRIZZLE FOLLOWED BY
   BURSTS OF FREEZING RAIN AND SLEET BECOMING INCREASINGLY MIXED
   WITH SNOW THROUGH THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * 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.

&&

$$

MIZ063-231900-
/O.CAN.KDTX.WS.W.0006.000000T0000Z-110323T2100Z/
ST. CLAIR-
INCLUDING THE CITY OF...PORT HURON
200 PM EDT WED MAR 23 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
WINTER STORM WARNING. 

IMPACTS...

 * LIGHT FREEZING RAIN OR DRIZZLE MAY CONTRIBUTE TO ADDITIONAL
   LIGHT GLAZING ON MAINLY ELEVATED SURFACES THIS AFTERNOON. THE
   LIGHT NATURE OF THE PRECIPITATION IS EXPECTED TO HAVE A MINIMAL
   EFFECT ON TREATED ROADWAYS.

 * SLICK CONDITIONS MAY DEVELOP ON WET ROADWAYS LATER TONIGHT AS
   TEMPERATURES CONTINUE TO FALL.

HAZARDOUS WEATHER...

 * LIGHT FREEZING RAIN OR DRIZZLE WILL GRADUALLY TRANSITION OVER
   TO LIGHT SNOW THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATIONS
   WILL GENERALLY BE AN INCH OR LESS THROUGH THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * SEND REPORTS TO NWS DETROIT/PONTIAC OR VISIT WWW.WEATHER.GOV 
   FOR MORE INFORMATION. 

&&

$$

MIZ068>070-231900-
/O.CAN.KDTX.WW.Y.0016.000000T0000Z-110323T2100Z/
LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN
200 PM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

IMPACTS...

 * LIGHT FREEZING RAIN OR DRIZZLE MAY CONTRIBUTE TO ADDITIONAL
   LIGHT GLAZING ON MAINLY ELEVATED SURFACES THIS AFTERNOON. THE
   LIGHT NATURE OF THE PRECIPITATION IS EXPECTED TO HAVE A MINIMAL
   EFFECT ON TREATED ROADWAYS.

 * SLICK CONDITIONS MAY DEVELOP ON WET ROADWAYS LATER TONIGHT AS
   TEMPERATURES CONTINUE TO FALL.

HAZARDOUS WEATHER...

 * LIGHT FREEZING RAIN OR DRIZZLE WILL GRADUALLY TRANSITION OVER
   TO LIGHT SNOW BY THIS EVENING. THIS SNOWFALL IS EXPECTED TO BE
   LIGHT WITH LESS THAN AN INCH OF NEW ACCUMULATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * SEND REPORTS TO NWS DETROIT/PONTIAC OR VISIT WWW.WEATHER.GOV 
   FOR MORE INFORMATION. 

&&

$$

MIZ060-061-232100-
/O.CON.KDTX.WW.Y.0016.000000T0000Z-110323T2100Z/
SHIAWASSEE-GENESEE-
INCLUDING THE CITIES OF...OWOSSO...FLINT
200 PM EDT WED MAR 23 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON. 

IMPACTS 

 * ADDITIONAL GLAZING OF MAINLY ELEVATED SURFACES...INCLUDING
   POWER LINES AND TREE LIMBS IS EXPECTED THIS AFTERNOON. A FEW
   BRIEF BUT HEAVIER SHOWERS OF FREEZING RAIN AND SLEET MAY BE
   CAPABLE OF CAUSING A LIGHT GLAZE WITH SLICK CONDITIONS ON
   UNTREATED SIDEWALKS AND ROADWAYS.

HAZARDOUS WEATHER...

 * ANOTHER ROUND OF FREEZING RAIN AND SLEET WILL MOVE NORTHEAST
   ACROSS THE AREA THIS AFTERNOON. THESE SHOWERS WILL GENERALLY BE
   LIGHT...BUT A FEW HEAVIER SHOWERS WILL BE POSSIBLE AND MAY
   CAUSE SLICK CONDITIONS TO DEVELOP RAPIDLY. 

 * TEMPERATURES WILL CONTINUE TO FALL INTO THE UPPER 20S THIS
   AFTERNOON.

 * NORTHEASTERLY WINDS WILL GUST TO 20 TO 25 MPH AT TIMES.

 * PRECIPITATION WILL EVENTUALLY CHANG OVER TO SNOW BEFORE COMING
   TO END THIS EVENING. ADDITIONAL SNOW ACCUMULATIONS OF AN INCH
   OR LESS THROUGH EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * 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. 

&&

$$

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 Detroit, MI wrote its last area forecast discussion before this winter storm warning went out at Mar 22, 3:46 AM EDT, 32 minutes earlier.

Area forecast discussion, Mar 22, 3:46 AM EDT, 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
346 AM EDT TUE MAR 22 2011

.SHORT TERM... TODAY

HIGH PRESSURE CENTERED OVER NORTHERN ONTARIO EXTENDS THROUGH LOWER
MICHIGAN EARLY THIS MORNING. STEADY NORTH TO NORTHEAST WINDS
ASSOCIATED WITH THIS FEATURE WILL CONTINUE TO CARRY COLDER AIR INTO
THE AREA TODAY. STRONGER COLD ADVECTION IN THE TRI CITIES AND
NORTHERN THUMB WILL BALANCE WITH DIURNAL SURFACE HEATING TO HOLD
TEMPERATURES ABOVE FREEZING THERE. FARTHER SOUTH, READINGS WILL
REMAIN SOLIDLY ABOVE FREEZING WITH TEMPERATURES STEADY AT OR
REBOUNDING SLIGHTLY INTO THE LOWER 40S NEAR THE OHIO BORDER BEFORE
RAIN SHOWERS, AND EVEN A FEW THUNDERSTORMS, INCREASE OVER THAT AREA.

THE FORMIDABLE EARLY SPRING/LATE WINTER LOW PRESSURE SYSTEM
CONTINUES TO ORGANIZE IN THE PLAINS WITH A VERY STRONG WARM FRONT
EXTENDING EASTWARD INTO THE OHIO VALLEY. OBSERVATIONS SHOW
CONVECTIVE INITIATION FAVORED TO THE NORTH OF THE SURFACE FRONT IN
AN ELEVATED FASHION. MODEL FORECAST SOUNDINGS AND CROSS SECTIONS OF
THETA-E INDICATE THE SHARPEST PORTION OF THE FRONTAL SURFACE ROUGHLY
AROUND THE 850 MB LEVEL. EXPECT THIS TO REMAIN THE MOST ACTIVE
PORTION OF THE FRONT BASED ON THE HIGH AMOUNT OF MOISTURE FEEDING
INTO THE FRONTAL ZONE FROM THE GULF COAST FORCING A LOWER LFC.
HOWEVER, ACTIVATION OF BANDS AT PROGRESSIVELY HIGHER ALTITUDES AND
SPREADING STEADILY FARTHER NORTH INTO LOWER MICHIGAN IS ALSO
EXPECTED AS THE DAY WEARS AS THE BROAD AGEOSTROPHIC CIRCULATION
SUPPORTS MID LEVEL MOISTURE TRANSPORT.

CATEGORICAL SHOWERS WITH A CHANCE OF THUNDERSTORMS IS THE CALL
MAINLY FROM THE DETROIT METRO AREA SOUTHWARD. PRECIPITATION TYPE
FARTHER NORTH IS EXPECTED TO BE STRONGLY INFLUENCED BY WET BULB
COOLING AS INITIAL SATURATION TAKES PLACE. WITH TEMPERATURES IN THE
MID TO UPPER 30S, THIS WILL RESULT IN THE MIX OF RAIN AND SNOW WITH
JUST A CHANCE OF SLEET MIXING LATER IN THE DAY AS WARMER AIR MAKES
NORTHWARD PROGRESS THROUGH THE MID LEVELS HEADING INTO THIS EVENING.

&&

.LONG TERM...

A WINTRY MESS TO IMPACT SOUTHEAST MICHIGAN TONIGHT AND
WEDNESDAY...WITH BELOW NORMAL TEMPERATURES (-10 DEGREES) TO FOLLOW
FOR THE END OF THE WORK WEEK AND INTO THE WEEKEND.

UPPER LEVEL TROUGH AXIS OVER THE WESTERN CONUS...EXTENDING ALL THE
WAY TO BAJA CALIFORNIA. MULTIPLE UPPER LEVEL WAVES EMBEDDED...WITH
IMPORTANT STRONG UPPER WAVE ALSO NOTED OFF THE CALIFORNIA COAST
WHICH WILL BECOME INGESTED INTO THE SYSTEM...RACING THROUGH THE OHIO
VALLEY ON WEDNESDAY.

COLDER AIR IS CURRENTLY SLOWLY FUNNELING INTO SOUTHEAST
MICHIGAN...AS SURFACE RIDGE EXTENDING FROM THE ARCTIC HIGH OVER
NORTHERN ONTARIO IS NOSING IN. 00Z RAOB OUT OF APX SHOWED AN 850 MB
TEMP OF -4 C. THE LOW LEVEL FLOW IS BACKED NICELY OUT OF THE
NORTHEAST ACROSS ONTARIO...AND THE SURFACE HIGH LOOKS TO BE JUST A
TOUCH STRONGER. BASED ON OBSERVATIONS AND 00Z MODEL GUIDANCE...WILL
BE TRENDING THE FORECAST IN A COLDER DIRECTION...AS THE WRITING IS
ON THE WALL...AND EXPECT THE SURFACE LOW TRACK TO BE COMFORTABLY
SOUTH OF THE MICHIGAN BORDER ON WEDNESDAY.

UNFORTUNATELY...EXTENT AND DEPTH OF THE MID LEVEL WARM AIR COMING IN
REMAINS A BIT MUDDLED...AS 00Z GFS IS MUCH WARMER THAN THE NAM AT
850 MB...WHILE THE NAM IS REALLY KEYING IN ON A WARM LAYER HIGHER IN
THE 700-750 MB LAYER. THE 12Z REGIONAL GEM IS AGRESSIVE WITH THE
WARM AIR AT BOTH 850 MB AND 700 MB...WITH THE ZERO LINE REACHING THE
I-69 CORRIDOR AT BOTH LEVELS...WHILE UKMET IS COLDER...FAVORING THE
NAM. 24 HR MODEL QPF STILL ADVERTISING BETWEEN 0.50 TO 1.00
INCH...WITH GFS/NAM INDICATING ISOLATED 1.25 INCH AMOUNTS. 4.5 TO
7.5 G/KG OF SPECIFIC HUMIDITY TO WORK WITH IN THE 850-700 MB LAYER.
CONVECTION (DEEP LAYER OF NEGATIVE EPV 700-500 MB) AND LOCALIZED
INTENSE PRECIPITATION RATES (LIKELY CAUSING PRECIP TYPE CHANGEOVERS)
WILL ALSO COME INTO PLAY...ALONG WITH IMPINGING MID LEVEL DRY SLOT
WORKING NORTH TOWARD THE SOUTHERN MICHIGAN BORDER TONIGHT. SPEAKING
OF CONVECTION...NUMEROUS THUNDERSTORM ACTIVITY IS NOTED EARLY THIS
MORNING FROM SOUTH DAKOTA...EXTENDING SOUTHEAST ALL THE WAY TO
SOUTHERN OHIO. NAM INDICATING 700 MB FGEN ZONE WILL BE MOST ACTIVE
TONIGHT...IMPACTING THE NORTH THIRD OF THE CWA...WITH GFS/REGIONAL
GEM INDICATING THE 850 MB ZONE BECOMING MORE ACTIVE AS THE NIGHT
WEARS ON. SURFACE WET BULB TEMPERATURES ARE FORECASTED TO HOVER AT
OR JUST ABOVE 32 DEGREES SOUTH OF M-59...WITH WET BULB TEMPS QUICKLY
DROPPING OFF INTO THE 20S NORTH OF M-59. THE WHOLE SYSTEM WILL BE
SHEARING OUT ON WEDNESDAY...BUT WILL NEED TO CONTEND WITH THE TROUGH
AXIS AND LINGERING LOW LEVEL FGEN/CONVERGENCE WHICH LOOKS TO BE
IMPACTING LOCATIONS MAINLY SOUTH OF M-59 WEDNESDAY AFTERNOON...AS
MAIN SURFACE LOW LOOKS TO BE NEAR PITTSBURGH AROUND 00Z THURSDAY.
UNFORTUNATELY...LOW LEVEL THERMAL PROFILES STILL LOOK TO REMAIN
QUESTIONABLE FOR THE SOUTH THIRD OF THE CWA...AND THERE WILL
PROBABLY BE SOME DAYTIME/DIURNAL RESPONSE IN SURFACE
TEMPERATURE...DESPITE THE LOW LEVEL COLD ADVECTION PROGGED.

WITH STILL SOME UNCERTAINLY REVOLVING AROUND THE EXACT SURFACE
TEMPERATURES ALONG THE ANN ARBOR-DETROIT LINE TONIGHT INTO
TOMORROW...AND WITH THE POSSIBLE IMPACT OF THE IMPINGING DRY SLOT
CUTTING DOWN ON THE QPF...GOING TO CONTINUE WITH THE WINTER STORM
WATCH FOR WAYNE/WASHTENAW COUNTIES. WITH HIGHER CONFIDENCE...WILL
UPGRADE TO A WARNING FOR LOCATIONS ALONG AND NORTH OF M-59. WITH THE
ADJUSTMENT TOWARD A SLIGHTLY COLDER SOLUTION...EXPECTATIONS ARE FOR
5 TO 10 INCHES OF SNOW NORTH OF I-69 (LOWER AMOUNTS IF SLEET MIXES
IN)...1 TO 4 INCHES ALONG THE I-69 CORRIDOR WITH LOTS OF SLEET. THE
M-59 CORRIDOR LOOKS TO BE GETTING AN ICY MIX OF SLEET AND FREEZING
RAIN...WITH HALF AN INCH OF SLEET AND QUARTER TO HALF AN INCH OF
ICE. POTENTIAL FOR QUARTER INCH OR MORE OF ICE ALONG THE I-94
CORRIDOR.

A QUICK LOOK AT THE 00Z EUROPEAN SHOWS NO MAJOR SURPRISES. DEEP
UPPER LEVEL LOW STILL ADVERTISED OVER EASTERN CANADA...EXTENDING
OVER THE GREAT LAKES REGION...ASSURING COLD TEMPERATURES...AS 850 MB
TEMPS PROGGED TO HOVER AROUND -10 C ON THURSDAY...AND FALLING INTO
THE NEGATIVE LOWER TEENS AS WE HEAD INTO THE WEEKEND. STORM SYSTEM
LOOKS TO BE TRACKING SOUTH OF THE OHIO RIVER OVER THE
WEEKEND...SUPPORTING A DRY FORECAST...BUT WILL STILL ALLOW FOR A
POSSIBLE SLIGHT JOG TO THE NORTH AND MAINTAIN THE LOW CHANCE OF SNOW
FOR SATURDAY NIGHT. A FLURRY OR SNOW SHOWER COULD ALSO COME OFF LAKE
HURON WITH THE COLD NORTH/NORTHEAST FLOW.

&&

.MARINE...

GALE WARNINGS ARE IN EFFECT FOR THE NORTH HALF OF LAKE HURON WITH
THIS FORECAST, AND BRISK WIND/SMALL CRAFT ADVISORIES DOWN THROUGH
SAGINAW BAY AND SOUTHERN LAKE HURON SHORELINES FOR LATE TONIGHT
THROUGH EARLY WEDNESDAY NIGHT. THIS WILL DUE TO INCREASED EASTERLY
WINDS AHEAD OF A STRONG LATE WINTER/EARLY SPRING LOW PRESSURE SYSTEM
MOVING THROUGH THE OHIO VALLEY. THE NORTHEASTERLY FLOW WILL ADVECT A
COLDER AIR MASS BACK OVER THE LAKES RESULTING IN GREATER INSTABILITY
AND GUST POTENTIAL. THE PRESSURE GRADIENT WILL BE SUPPORTED BY THE
LOW PRESSURE SYSTEM MOVING UP AGAINST A LARGE AREA OF HIGH PRESSURE
OVER ONTARIO AND QUEBEC. THIS WILL INCREASE WINDS OVER THE NORTHERN
TWO THIRDS OF LAKE HURON TO 35 KNOT GALES. THE SOUTHERN THIRD WILL
GUST UP TO 30 KNOTS. PRECIP CHANCES/QUANTITIES WILL BE HIGHEST FROM
CENTRAL LAKE HURON SOUTHWARD ALTHOUGH SOME SNOW WILL FALL OVER
NORTHERN LAKE HURON AS WELL. WIND CONDITIONS WILL IMPROVE DURING
THURSDAY AS THIS SYSTEM EXITS TO THE ATLANTIC COAST.

&&

.AVIATION...ISSUED 1155 PM EDT MON MAR 21 2011

MVFR STRATUS WILL PERSIST OVERNIGHT AS BACKDOOR COLD FRONT BRINGS
NORTH/NORTHEAST FLOW. THIS COLD NORTHEAST FLOW WILL PERSIST TUESDAY
AND ASSIST IN BRINGING A WINTRY MESS LATE IN THE FORECAST PERIOD AS
APPROACHING LOW PRESSURE SPREADS MOISTURE INTO THE REGION. RAIN WILL
BEGIN AT DTW/DET/PTK BY LATE AFTERNOON/EARLY EVENING WITH A MIX OF
RAIN/SLEET/SNOW FNT/MBS. PRECIPITATION COVERAGE WILL INCREASE
THROUGH THE EVENING AND WITH FALLING TEMPERATURES...EXPECT FREEZING
RAIN DTW/DET/PTK. FNT/MBS WILL SEE A MORE PERSISTENT FROZEN MIX OF
SLEET/SNOW. CIGS/VSBYS WILL HOVER IN THE MVFR RANGE A MAJORITY OF
THE TIME...AT LEAST THROUGH 06Z.

&&

.DTX WATCHES/WARNINGS/ADVISORIES...
MI...WINTER STORM WARNING...MIZ047-MIZ048-MIZ049-MIZ053-MIZ054-MIZ055-
     MIZ060-MIZ061-MIZ062-MIZ063-MIZ068-MIZ069-MIZ070...FROM 8 PM
     TUESDAY TO 8 PM WEDNESDAY.

     WINTER STORM WATCH...MIZ075-MIZ076...FROM 8 PM TUESDAY TO 8 PM
     WEDNESDAY.

LAKE HURON...
     GALE WARNING...LHZ361-LHZ362-LHZ363...FROM MIDNIGHT WEDNESDAY TO
     MIDNIGHT THURSDAY.

     SMALL CRAFT ADVISORY...NEARSHORE WATERS FROM PORT AUSTIN TO PORT
     HURON INCLUDING OUTER SAGINAW BAY...FROM MIDNIGHT WEDNESDAY TO
     8 AM THURSDAY.

     BRISK WIND ADVISORY...INNER SAGINAW BAY...FROM MIDNIGHT WEDNESDAY
     TO 8 AM THURSDAY.

LAKE ST CLAIR...NONE.
MI WATERS OF LAKE ERIE...NONE.

&&

SHORT TERM...BT
LONG TERM....SF
MARINE.......BT
AVIATION.....DG

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
Hazardous weather outlook, Mar 21, 5:12 PM EDT, 11 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
512 PM EDT MON MAR 21 2011

MIZ047>049-053>055-060>063-068>070-075-076-220930-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-
512 PM EDT MON MAR 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A WINTER STORM WATCH IS IN EFFECT TUESDAY EVENING INTO WEDNESDAY.
REFER TO THE LATEST WINTER WEATHER MESSAGE.../WSWDTX/...FOR MORE
INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

MIZ082-083-220930-
LENAWEE-MONROE-
512 PM EDT MON MAR 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

LCZ422-423-460-LEZ444-LHZ421-422-441>443-462>464-220930-
ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW
BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
512 PM EDT MON MAR 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
HURON AND LAKE ST CLAIR.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TUESDAY NIGHT INTO
WEDNESDAY AS EASTERLY FLOW INCREASES IN ADVANCE OF AN APPROACHING
LOW PRESSURE SYSTEM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

LHZ361>363-220930-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM
OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-
512 PM EDT MON MAR 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A GALE WATCH IS IN EFFECT LATE TUESDAY NIGHT THROUGH WEDNESDAY.
REFER TO THE LATEST MARINE PRODUCTS.../MWWDTX/ AND /GLFLH/...FOR
ADDITIONAL INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

DG

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 4:35 AM EDTBrisk Wind AdvisoryDTX48 hr
Mar 22, 4:35 AM EDTGale WarningDTX41 hr
Mar 22, 4:35 AM EDTSmall Craft AdvisoryDTX59 hr
Mar 22, 12:24 PM EDTWinter Weather AdvisoryDTXWashtenaw, Wayne22 hr

Nearby

Winter Storm Warnings in Michigan, 2011Every winter storm warning in 2011

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.