Alert archive / Wisconsin / Winter Storm Watches in 2016

Winter Storm Watch 3, NWS Green Bay, WI

December 9, 201611 counties in Wisconsin

NWS Green Bay, WI issued this winter storm watch at Dec 9, 2016, 12:11 PM CST for 11 counties in Wisconsin. It took effect at Dec 10, 2016, 6:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 9, 2016, 12:11 PM CST (18:11 UTC)
In effect from
Dec 10, 2016, 6:00 PM CST
Expired
Dec 10, 2016, 2:26 PM CST
In force
Issued by
NWS Green Bay, WI

Counties Brown County, WI, Calumet County, WI, Door County, WI, Kewaunee County, WI, Manitowoc County, WI, Outagamie County, WI, Portage County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 35 km from the middle of the area, began a volume at 18:17 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.2 hours before the alert went out and 35 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, Green Bay/Straub, WI at 12:00Z on 2016-12-09Temperature 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, Green Bay/Straub, WI at 12:00Z on 2016-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.19395878Sfc1 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
839 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

072 
WWUS43 KGRB 091811
WSWGRB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
1211 PM CST FRI DEC 9 2016

...PROLONGED PERIOD OF SNOW EXPECTED LATER THIS WEEKEND...

.A COMPLEX WINTER SYSTEM WILL TRACK THROUGH SOUTHERN WISCONSIN
LATER THIS WEEKEND AND BRING ACCUMULATING SNOW TO THE AREA.
EXPECT SNOW TO DEVELOP IN CENTRAL WISCONSIN LATE SATURDAY
EVENING AND THEN OVERSPREAD THE AREA THROUGH THE NIGHT. THE
HIGHEST SNOW AMOUNTS SHOULD BE SOUTH OF HIGHWAY 29...WHERE OVER 6
INCHES OF SNOW IS POSSIBLE BY THE TIME SNOW TAPERS OFF SUNDAY
NIGHT.

WIZ035-036-045-100215-
/O.NEW.KGRB.WS.A.0003.161211T0000Z-161212T0600Z/
WOOD-PORTAGE-WAUSHARA-
INCLUDING THE CITIES OF...MARSHFIELD...WISCONSIN RAPIDS...
STEVENS POINT...PLOVER...REDGRANITE...WAUTOMA
1211 PM CST FRI DEC 9 2016

...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY EVENING. 

* TIMING...LATE SATURDAY EVENING THROUGH EARLY SUNDAY NIGHT. THE
  HEAVIEST SNOW SHOULD FALL SUNDAY MORNING.

* SNOW ACCUMULATIONS...NEAR 6 INCHES.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP SATURDAY NIGHT AND
  CONTINUE THROUGH SUNDAY. SLICK AND SNOW COVERED ROADS ARE
  EXPECTED WITH REDUCED VISIBILITIES AT TIMES WITH ANY HEAVIER
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ037>040-048>050-100215-
/O.NEW.KGRB.WS.A.0003.161211T0300Z-161212T0600Z/
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...NEW LONDON...WAUPACA...CLINTONVILLE...
APPLETON...GREEN BAY...KEWAUNEE...LUXEMBURG...OSHKOSH...NEENAH...
MENASHA...CHILTON...BRILLION...NEW HOLSTEIN...MANITOWOC...
TWO RIVERS
1211 PM CST FRI DEC 9 2016

...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY EVENING. 

* TIMING...EARLY SATURDAY NIGHT THROUGH SUNDAY NIGHT. THE HEAVIEST
  SNOW IS EXPECTED TO FALL SUNDAY.

* SNOW ACCUMULATIONS...6 TO 8 INCHES.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP SATURDAY NIGHT AND
  CONTINUE THROUGH SUNDAY. SLICK AND SNOW COVERED ROADS ARE
  EXPECTED WITH REDUCED VISIBILITIES AT TIMES WITH ANY HEAVIER
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ022-100215-
/O.NEW.KGRB.WS.A.0003.161211T0600Z-161212T1200Z/
DOOR-
INCLUDING THE CITIES OF...STURGEON BAY...FISH CREEK...SISTER BAY
1211 PM CST FRI DEC 9 2016

...WINTER STORM WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
LATE SUNDAY NIGHT. 

* TIMING...SATURDAY NIGHT THROUGH SUNDAY NIGHT. THERE IS A CHANCE
  THAT SNOW WILL LINGER INTO MONDAY MORNING. THE HEAVIEST SNOW IS
  EXPECTED LATE SUNDAY MORNING INTO SUNDAY EVENING.

* SNOW ACCUMULATIONS...NEAR 6 INCHES

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP SATURDAY NIGHT AND
  CONTINUE THROUGH SUNDAY. SLICK AND SNOW COVERED ROADS ARE
  EXPECTED WITH REDUCED VISIBILITIES AT TIMES WITH ANY HEAVIER
  SNOW.

&&

$$
AA/TH
4 follow-up statements
961 
WWUS43 KGRB 100243
WSWGRB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
843 PM CST FRI DEC 9 2016

...SNOW EXPECTED LATER THIS WEEKEND...

.LOW PRESSURE MOVING FROM THE SOUTHERN PLAINS TOWARDS LAKE MICHIGAN
WILL BRING SNOW TO THE REGION LATE SATURDAY NIGHT THROUGH SUNDAY NIGHT.
WHILE THE HEAVIEST SNOW LOOKS LIKE IT WILL FALL ACROSS THE SOUTHERN
THIRD OF WISCONSIN, IT DOES APPEAR THAT SIX INCHES OR MORE OF SNOW IS
POSSIBLE ACROSS PARTS OF CENTRAL AND EASTERN WISCONSIN, ROUGHLY SOUTH
OF A WISCONSIN RAPIDS TO WASHINGTON ISLAND LINE.

THE SNOW WILL MAKE FOR SLIPPERY ROADS AND SIDEWALKS, AND WILL LIKELY
PRODUCE AIR TRAVEL DELAYS.

WIZ035-036-045-101045-
/O.CON.KGRB.WS.A.0003.161211T0000Z-161212T0600Z/
WOOD-PORTAGE-WAUSHARA-
INCLUDING THE CITIES OF...MARSHFIELD...WISCONSIN RAPIDS...
STEVENS POINT...PLOVER...REDGRANITE...WAUTOMA
843 PM CST FRI DEC 9 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

* TIMING...LATE SATURDAY EVENING THROUGH EARLY SUNDAY NIGHT. THE 
  HEAVIEST SNOW SHOULD FALL SUNDAY MORNING. 

* SNOW ACCUMULATIONS...NEAR 6 INCHES.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP SATURDAY NIGHT AND 
  CONTINUE THROUGH SUNDAY. SLICK AND SNOW COVERED ROADS ARE 
  EXPECTED WITH REDUCED VISIBILITIES AT TIMES WITH ANY HEAVIER 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ037>040-048>050-101045-
/O.CON.KGRB.WS.A.0003.161211T0300Z-161212T0600Z/
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...NEW LONDON...WAUPACA...CLINTONVILLE...
APPLETON...GREEN BAY...KEWAUNEE...LUXEMBURG...OSHKOSH...NEENAH...
MENASHA...CHILTON...BRILLION...NEW HOLSTEIN...MANITOWOC...
TWO RIVERS
843 PM CST FRI DEC 9 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

* TIMING...EARLY SATURDAY NIGHT THROUGH SUNDAY NIGHT. THE 
  HEAVIEST SNOW IS EXPECTED TO FALL SUNDAY. 

* SNOW ACCUMULATIONS...6 TO 8 INCHES.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP SATURDAY NIGHT AND 
  CONTINUE THROUGH SUNDAY. SLICK AND SNOW COVERED ROADS ARE 
  EXPECTED WITH REDUCED VISIBILITIES AT TIMES WITH ANY HEAVIER 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ022-101045-
/O.CON.KGRB.WS.A.0003.161211T0600Z-161212T1200Z/
DOOR-
INCLUDING THE CITIES OF...STURGEON BAY...FISH CREEK...SISTER BAY
843 PM CST FRI DEC 9 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH LATE SUNDAY NIGHT...

* TIMING...SATURDAY NIGHT THROUGH SUNDAY NIGHT. THERE IS A 
  CHANCE THAT SNOW WILL LINGER INTO MONDAY MORNING. THE HEAVIEST 
  SNOW IS EXPECTED LATE SUNDAY MORNING INTO SUNDAY EVENING. 

* SNOW ACCUMULATIONS...NEAR 6 INCHES

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP SATURDAY NIGHT AND 
  CONTINUE THROUGH SUNDAY. SLICK AND SNOW COVERED ROADS ARE 
  EXPECTED WITH REDUCED VISIBILITIES AT TIMES WITH ANY HEAVIER 
  SNOW. 

&&

$$
229 
WWUS43 KGRB 100956
WSWGRB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
356 AM CST SAT DEC 10 2016

...SNOW EXPECTED TONIGHT THROUGH SUNDAY NIGHT...

.LOW PRESSURE TRACKING NORTHEAST FROM THE CENTRAL PLAINS WILL
BRING SNOW TO THE REGION TONIGHT THROUGH SUNDAY NIGHT. SNOWFALL
AMOUNTS AS WELL AS THE LOCATIONS LIKELY TO RECEIVE THE HEAVIEST
SNOWS REMAIN IN QUESTION. SOUTHEAST WINDS OFF LAKE MICHIGAN COULD
RESULT IN LAKE ENHANCEMENT OF THE SNOWFALL TOTALS AT SOME
LOCATIONS IN LAKESIDE COUNTIES.

WIZ035-036-045-101800-
/O.CON.KGRB.WS.A.0003.161211T0000Z-161212T0600Z/
WOOD-PORTAGE-WAUSHARA-
INCLUDING THE CITIES OF...MARSHFIELD...WISCONSIN RAPIDS...
STEVENS POINT...PLOVER...REDGRANITE...WAUTOMA
356 AM CST SAT DEC 10 2016

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

* TIMING...THIS EVENING THROUGH SUNDAY EVENING. THE HEAVIEST SNOW
  SHOULD FALL LATE TONIGHT THROUGH SUNDAY MORNING.

* SNOW ACCUMULATIONS...AROUND 6 INCHES.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP THIS EVENING AND
  CONTINUE THROUGH SUNDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ037>040-048>050-101800-
/O.CON.KGRB.WS.A.0003.161211T0300Z-161212T0600Z/
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...NEW LONDON...WAUPACA...CLINTONVILLE...
APPLETON...GREEN BAY...KEWAUNEE...LUXEMBURG...OSHKOSH...NEENAH...
MENASHA...CHILTON...BRILLION...NEW HOLSTEIN...MANITOWOC...
TWO RIVERS
356 AM CST SAT DEC 10 2016

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

* TIMING...LATE THIS EVENING THROUGH SUNDAY EVENING. THE HEAVIEST
  SNOW SHOULD FALL SUNDAY.

* SNOW ACCUMULATIONS...AROUND 6 INCHES...AND POSSIBLY AN
  ADDITIONAL INCH OR TWO AT SOME LOCATIONS NEAR THE LAKE.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP TONIGHT AND
  CONTINUE THROUGH SUNDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ022-101800-
/O.CON.KGRB.WS.A.0003.161211T0600Z-161212T1200Z/
DOOR-
INCLUDING THE CITIES OF...STURGEON BAY...FISH CREEK...SISTER BAY
356 AM CST SAT DEC 10 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE SUNDAY NIGHT...

* TIMING...LATE TONIGHT THROUGH SUNDAY NIGHT. THE HEAVIEST SNOW
  SHOULD FALL SUNDAY AFTERNOON AND EVENING.

* SNOW ACCUMULATIONS...AROUND 6 INCHES...AND POSSIBLY AN
  ADDITIONAL INCH OR TWO AT SOME LOCATIONS.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP LATE TONIGHT AND
  CONTINUE THROUGH SUNDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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


&&

$$

SKOWRONSKI
166 
WWUS43 KGRB 101744
WSWGRB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
1144 AM CST SAT DEC 10 2016

...SNOW EXPECTED TONIGHT THROUGH SUNDAY NIGHT...

.LOW PRESSURE TRACKING NORTHEAST FROM THE CENTRAL PLAINS WILL
BRING SNOW TO THE REGION TONIGHT THROUGH SUNDAY NIGHT. SNOWFALL
AMOUNTS AS WELL AS THE LOCATIONS LIKELY TO RECEIVE THE HEAVIEST
SNOWS REMAIN IN QUESTION. SOUTHEAST WINDS OFF LAKE MICHIGAN COULD
RESULT IN LAKE ENHANCEMENT OF THE SNOWFALL TOTALS AT SOME
LOCATIONS IN LAKESIDE COUNTIES.

WIZ035-036-045-110145-
/O.CON.KGRB.WS.A.0003.161211T0000Z-161212T0600Z/
WOOD-PORTAGE-WAUSHARA-
INCLUDING THE CITIES OF...MARSHFIELD...WISCONSIN RAPIDS...
STEVENS POINT...PLOVER...REDGRANITE...WAUTOMA
1144 AM CST SAT DEC 10 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM 6 PM CST THIS
EVENING THROUGH SUNDAY EVENING...

* TIMING...THIS EVENING THROUGH SUNDAY EVENING. THE HEAVIEST 
  SNOW SHOULD FALL LATE TONIGHT THROUGH SUNDAY MORNING. 

* SNOW ACCUMULATIONS...AROUND 6 INCHES.

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP THIS EVENING AND 
  CONTINUE THROUGH SUNDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ037>040-048>050-110145-
/O.CON.KGRB.WS.A.0003.161211T0300Z-161212T0600Z/
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...NEW LONDON...WAUPACA...CLINTONVILLE...
APPLETON...GREEN BAY...KEWAUNEE...LUXEMBURG...OSHKOSH...NEENAH...
MENASHA...CHILTON...BRILLION...NEW HOLSTEIN...MANITOWOC...
TWO RIVERS
1144 AM CST SAT DEC 10 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM 9 PM CST THIS
EVENING THROUGH SUNDAY EVENING...

* TIMING...LATE THIS EVENING THROUGH SUNDAY EVENING. THE 
  HEAVIEST SNOW SHOULD FALL SUNDAY. 

* SNOW ACCUMULATIONS...AROUND 6 INCHES...AND POSSIBLY AN 
  ADDITIONAL INCH OR TWO AT SOME LOCATIONS NEAR THE LAKE. 

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP TONIGHT AND 
  CONTINUE THROUGH SUNDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ022-110145-
/O.CON.KGRB.WS.A.0003.161211T0600Z-161212T1200Z/
DOOR-
INCLUDING THE CITIES OF...STURGEON BAY...FISH CREEK...SISTER BAY
1144 AM CST SAT DEC 10 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE SUNDAY NIGHT...

* TIMING...LATE TONIGHT THROUGH SUNDAY NIGHT. THE HEAVIEST SNOW 
  SHOULD FALL SUNDAY AFTERNOON AND EVENING. 

* SNOW ACCUMULATIONS...AROUND 6 INCHES...AND POSSIBLY AN 
  ADDITIONAL INCH OR TWO AT SOME LOCATIONS. 

* MAIN IMPACT...HAZARDOUS TRAVEL WILL DEVELOP LATE TONIGHT AND 
  CONTINUE THROUGH SUNDAY NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
560 
WWUS43 KGRB 102026
WSWGRB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
226 PM CST SAT DEC 10 2016

...SNOW EXPECTED TONIGHT THROUGH SUNDAY NIGHT...

.LOW PRESSURE TRACKING NORTHEAST FROM THE CENTRAL PLAINS WILL
BRING SNOW TO THE REGION TONIGHT INTO EARLY SUNDAY. SNOWFALL
TOTALS ARE EXPECTED TO BE HIGHEST IN PARTS OF CENTRAL AND EAST
CENTRAL WISCONSIN, AND SOUTHEAST WINDS OFF LAKE MICHIGAN COULD
RESULT IN LAKE ENHANCEMENT OF THE SNOWFALL TOTALS AT SOME
LOCATIONS IN THE COUNTIES BORDERING LAKE MICHIGAN.

WIZ035-036-045-110430-
/O.UPG.KGRB.WS.A.0003.161211T0000Z-161212T0600Z/
/O.NEW.KGRB.WW.Y.0020.161211T0000Z-161212T0600Z/
WOOD-PORTAGE-WAUSHARA-
INCLUDING THE CITIES OF...MARSHFIELD...WISCONSIN RAPIDS...
STEVENS POINT...PLOVER...REDGRANITE...WAUTOMA
226 PM CST SAT DEC 10 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT CST SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO MIDNIGHT CST SUNDAY NIGHT. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* EXPECT SNOW TO DEVELOP AROUND 6 PM TONIGHT AND THEN DIMINISH
  AROUND MIDNIGHT SUNDAY NIGHT.

* THE HEAVIEST SNOWFALL RATES WILL OCCUR BETWEEN 6 AM AND NOON
  SUNDAY.

* SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED.

* HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP THIS EVENING AND
  CONTINUE THROUGH SUNDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE EXTRA CAUTION WHILE
DRIVING. THE LATEST WISCONSIN ROAD CONDITIONS CAN BE OBTAINED BY
CALLING 511.

&&

$$

WIZ037>040-048>050-110430-
/O.UPG.KGRB.WS.A.0003.161211T0300Z-161212T0600Z/
/O.NEW.KGRB.WW.Y.0020.161211T0300Z-161212T0600Z/
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...NEW LONDON...WAUPACA...CLINTONVILLE...
APPLETON...GREEN BAY...KEWAUNEE...LUXEMBURG...OSHKOSH...NEENAH...
MENASHA...CHILTON...BRILLION...NEW HOLSTEIN...MANITOWOC...
TWO RIVERS
226 PM CST SAT DEC 10 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
MIDNIGHT CST SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THIS
EVENING TO MIDNIGHT CST SUNDAY NIGHT. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* EXPECT SNOW TO DEVELOP AROUND 9 PM AND THEN DIMINISH AROUND
  MIDNIGHT SUNDAY NIGHT.

* THE HEAVIEST SNOWFALL RATES WILL OCCUR BETWEEN 6 AM AND NOON
  SUNDAY.

* SNOW ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED.

* HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP TONIGHT AND CONTINUE
  THROUGH SUNDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE EXTRA CAUTION WHILE
DRIVING. THE LATEST WISCONSIN ROAD CONDITIONS CAN BE OBTAINED BY
CALLING 511.

&&

$$

WIZ022-110430-
/O.UPG.KGRB.WS.A.0003.161211T0600Z-161212T1200Z/
/O.NEW.KGRB.WW.Y.0020.161211T0600Z-161212T1200Z/
DOOR-
INCLUDING THE CITIES OF...STURGEON BAY...FISH CREEK...SISTER BAY
226 PM CST SAT DEC 10 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

* EXPECT SNOW TO DEVELOP AROUND MIDNIGHT AND THEN DIMINISH AROUND
  6 AM MONDAY.

* THE HEAVIEST SNOWFALL RATES WILL OCCUR BETWEEN NOON AND 6 PM
  SUNDAY.

* SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED.

* HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP OVERNIGHT AND CONTINUE
  INTO SUNDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE EXTRA CAUTION WHILE
DRIVING. THE LATEST WISCONSIN ROAD CONDITIONS CAN BE OBTAINED BY
CALLING 511.

&&

$$

WIZ030-031-110430-
/O.NEW.KGRB.WW.Y.0020.161211T0300Z-161212T0600Z/
MARATHON-SHAWANO-
INCLUDING THE CITIES OF...WAUSAU...SHAWANO
226 PM CST SAT DEC 10 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
MIDNIGHT CST SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THIS
EVENING TO MIDNIGHT CST SUNDAY NIGHT.

* EXPECT SNOW TO DEVELOP AROUND 9 PM AND THEN DIMINISH AROUND
  MIDNIGHT SUNDAY NIGHT.

* HEAVIEST SNOWFALL RATES WILL OCCUR BETWEEN 6 AM AND NOON
  SUNDAY.

* SNOW ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED.

* HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP TONIGHT AND CONTINUE
  THROUGH SUNDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE EXTRA CAUTION WHILE
DRIVING. THE LATEST WISCONSIN ROAD CONDITIONS CAN BE OBTAINED BY
CALLING 511.

&&

$$

WIZ005-010>013-018>021-073-074-110430-
/O.NEW.KGRB.WW.Y.0020.161211T1200Z-161212T0600Z/
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE COUNTY-LINCOLN-
LANGLADE-MENOMINEE-NORTHERN OCONTO COUNTY-
SOUTHERN MARINETTE COUNTY-SOUTHERN OCONTO COUNTY-
INCLUDING THE CITIES OF...EAGLE RIVER...LAC DU FLAMBEAU...
RHINELANDER...CRANDON...AURORA...COMMONWEALTH...SPREAD EAGLE...
NIAGARA...WAUSAUKEE...MERRILL...TOMAHAWK...ANTIGO...KESHENA...
NEOPIT...MOUNTAIN...LAKEWOOD...TOWNSEND...HARMONY...PESHTIGO...
PORTERFIELD...CRIVITZ...HIGH FALLS RESERVOIR...LOOMIS...
MIDDLE INLET...LITTLE SUAMICO...SOBIESKI...BROOKSIDE...OCONTO...
PENSAUKEE
226 PM CST SAT DEC 10 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM SUNDAY TO MIDNIGHT
CST SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM SUNDAY
TO MIDNIGHT CST SUNDAY NIGHT.

* EXPECT SNOW TO DEVELOP AROUND 6 AM SUNDAY AND THEN DIMINISH
  AROUND MIDNIGHT SUNDAY NIGHT.

* THE HEAVIEST SNOWFALL RATES WILL OCCUR BETWEEN NOON AND 6 PM
  SUNDAY.

* SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED.

* HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP EARLY SUNDAY AND
  CONTINUE THROUGH SUNDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE EXTRA CAUTION WHILE
DRIVING. THE LATEST WISCONSIN ROAD CONDITIONS CAN BE OBTAINED BY
CALLING 511.

&&

$$

What forecasters said that day

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

NWS Green Bay, WI wrote its last area forecast discussion before this winter storm watch went out at Dec 9, 12:03 PM CST, 8 minutes earlier.

Area forecast discussion, Dec 9, 12:03 PM CST, 8 minutes before
Area Forecast Discussion...UPDATED
National Weather Service Green Bay WI
1203 PM CST Fri Dec 9 2016

Updated aviation portion for 18Z TAF issuance and Winter Storm
Headlines.

.SYNOPSIS...
Issued at 328 AM CST Fri Dec 9 2016

Snow showers ending in the Lake Superior snowbelt today. Snow
across the area this weekend, with the highest amounts in the
south. Cold snap still on target for the middle to latter part of
next week.

High upper heights/blocky flow remains over the northeast Pacific,
with the blocking extending east across North America at high
latitudes. To the south, a seasonably strong band of westerlies
was across the CONUS, with a low-amplitude trough over the Great
Lakes region. The westerlies will flatten back to a nearly zonal
regime the next couple days as the trough shifts east, then low-
amplitude troughing will redevelop over the Plains. The result
will be broad, strong, cyclonic upper flow dominating much of the
eastern CONUS during the latter part of the forecast period.

As typical, the fast, low-amplitude flow regime is resulting in
considerable model variability from run to run, which makes
pinning down the specifics of daily temperature and precipitation
forecasts difficult. But the big picture remains unchanged. For
the next several days, temperatures will vary with the passage of
individual systems, ranging from near to modestly below normal.
That will be followed by a cold snap with well below normal
temperatures during the middle to latter part of next week. The
large scale pattern favors active weather, with several
opportunities for snow. The weekend snow potential looks more
robust again, especially across the southern part of the area.
&&

.SHORT TERM...Today...Tonight...and Saturday
Issued at 328 AM CST Fri Dec 9 2016

No changes to lake-effect headlines this morning. Snow showers
continue to shift across the observing sites in western Vilas
county. It's hard to get a firm grasp on totals until our COOPs
come in later this morning, but portions of western Vilas county
have probably received over a foot, with the significant amounts
likely extending into northwest Oneida county. As cloud-layer
winds back this morning, expect the focus of the heaviest snow
showers to shift into eastern Vilas county, and eventually out of
the forecast area. Drying aloft will also lead to a gradual
weakening of the snow showers as well.

Generally quiet weather is expected for the rest of the area and
the remainder of the short term. The main issue is temperatures
tonight. Those will depend on cloud trends. Expect some passing
clouds tonight, with both clear and cloudy periods. Edged mins
down across the north where a fresh snow cover now exists. But it
could get considerably colder that what's in the forecast if the
clear periods dominate and winds drop off. The day shift can make
further adjustments if needed once cloud trends become more
evident.

Models have slowed the arrival of the snow, with most now dry
through 00Z Saturday. Trimmed PoPs Saturday, but was not
comfortable removing them totally as confidence is lowered by the
poor run-to-run consistency of the models.

.LONG TERM...Saturday Night Through Thursday
Issued at 328 AM CST Fri Dec 9 2016

Main forecast concerns to center around snow potential for the
latter half of the weekend into early next week. There are still
plenty of unknowns regarding this snow event as models continue to
waffle on the smaller scale details. Once the snow diminishes,
attention will turn to the much-advertised arctic air intrusion
that will send temperatures a good 20 degrees below normal by
mid-week with sub-zero min temperatures and bitterly cold wind
chills.

Models continue to indicate increasing isentropic lift/mid-level
forcing into the Great Lakes Saturday night, along with a hint of
an inverted surface trough extended from the central Plains into
the Great Lakes. The pressing issue remains how far north will the
expected band of snow reach into northeast WI as better lift/
forcing to be roughly along/south of the I-94 corridor. If this
trend persists, snow accumulations Saturday night could range from
a few tenths of an inch in Vilas county, to 2-3" over our southern
tier of counties (Waushara to Manitowoc). Any subtle shift north
of the dynamics could place the southern counties into advisory
criteria, so this will need to be watched. Min temperatures to
range from 5 to 10 above north-central, to the upper teens near
Lake MI.

As the main mid-level trough enters the Plains on Sunday,
anticipate a surface low to begin gradually strengthening over the
mid-MS Valley. Models remain inconsistent on whether there will be
a break in the snow Sunday, or will there be enough lift from the
right entrance region of the upper jet to sustain light snow
through the day? Based on the latest model output, the latter
seems favored, thus have raised pops across central/east-central
WI with accumulations generally in the 1-2" range. Max
temperatures should be able to reach around 20 degrees north-
central, to near 30 degrees east-central WI.

The surface low is progged to lift northeast toward southern
sections of the Great Lakes Sunday night and quickly push into
eastern sections of the Great Lakes on Monday. Meanwhile, the
trailing mid-level trough moves from the Midwest/Mid-MS Valley
Sunday night toward the eastern Great Lakes Monday. The forecast
issues continue to be the exact track of the surface low, as well
as the strength of the low pressure. Right now, any track would be
far enough south such that the northern periphery of the main snow
band would affect the southern half of WI. Accumulations to range
from practically a dusting far north, to 1-2" south. The overall
fast departure of this system will see snow come to an end Monday
morning with perhaps an additional one-half inch of accumulation
in the east. Otherwise, mostly cloudy skies should prevail for the
rest of Monday with max temperatures in the lower 20s north-
central, upper 20s eastern WI.

The next chance for snow arrives later Monday night or Tuesday
morning in association with the passage of a strong cold front.
Behind this front, the doors open to a surge of arctic air that
will settle over the region through mid-week. Expect to see
temperatures fall through the day on Tuesday with readings by
sunset already down to around zero north-central, mid teens near
Lake MI. Add in a blustery west-northwest wind and we could see
wind chills ranging from the mid teens below zero north-central,
to around zero east-central WI by dark.

Mainly dry and much colder conditions to set-up over the region
through mid-week, although will have to watch Vilas county because
any slight shift to a northwest component could lead to lake
effect snow showers. Exactly how cold we get will come down to
cloud cover and wind speeds as strong Canadian high pressure
slides southeast from western Canada into the central CONUS by
Thursday. Model consensus solution places min temperatures in the
single digits below zero both Tuesday night and Wednesday night,
except near Lake MI where values should remain above zero.
However, any substantial clearing could see temperatures reach
double digits below zero over north-central WI. Max temperatures
for Wednesday and Thursday will mainly only reach the single
digits above zero with daytime wind chills as cold as 15 to 25
below zero Wednesday afternoon. Be prepared to bundle up!.
&&

.AVIATION...for 18Z TAF Issuance
Issued at 1140 AM CST Fri Dec 9 2016

VFR conditions will prevail for the start of the TAF
period over eastern Wisconsin and parts of central Wisconsin. An
area of MVFR cigs over north central and western Wisconsin will
spread east to west across the state as a weak disturbance slides
over the western Great Lakes region overnight. Expect this
disturbance to depart Saturday morning to again produce VFR conditions
across much of the area.
&&

.GRB WATCHES/WARNINGS/ADVISORIES...
Winter Storm Watch from Saturday evening through Sunday evening
FOR WIZ037>040-048>050.

Winter Storm Watch from Saturday evening through Sunday evening
FOR WIZ035-036-045.

Winter Storm Watch from late Saturday night through late Sunday
night FOR WIZ022.
&&

SYNOPSIS.......Skowronski
SHORT TERM.....Skowronski
LONG TERM......Kallas
AVIATION.......TDH
Hazardous weather outlook, Dec 9, 3:51 AM CST, 8 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
351 AM CST FRI DEC 9 2016

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-101200-
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE COUNTY-LINCOLN-
LANGLADE-MENOMINEE-NORTHERN OCONTO COUNTY-DOOR-MARATHON-SHAWANO-
WOOD-PORTAGE-WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-
CALUMET-MANITOWOC-SOUTHERN MARINETTE COUNTY-
SOUTHERN OCONTO COUNTY-
351 AM CST FRI DEC 9 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH-CENTRAL AND NORTHEAST
WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

POOR TRAVEL CONDITIONS WILL CONTINUE IN THE LAKE SUPERIOR
SNOWBELT THIS MORNING DUE TO HEAVY LAKE-EFFECT SNOW SHOWERS. THE
SNOW SHOWERS WILL DIMINISH MID-DAY...THOUGH THE POOR TRAVEL
CONDITIONS MAY PERSIST INTO THE AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

HAZARDOUS TRAVEL CONDITIONS ARE POSSIBLE AT TIMES FOR THE LATTER
HALF OF THIS WEEKEND INTO EARLY NEXT WEEK. THE FIRST OF SEVERAL
BANDS OF SNOW IS FORECAST TO OVERSPREAD THE REGION SATURDAY
NIGHT...WITH ADDITIONAL SNOWS TO MOVE ACROSS THE AREA INTO MONDAY
MORNING. THERE CONTINUES TO BE SOME UNCERTAINTY AS TO THE LOCATION
OF THE HEAVIER SNOWS...BUT THE LATEST TRENDS WOULD FAVOR THE
SOUTHERN HALF OF WISCONSIN. ANYONE WITH TRAVEL PLANS SHOULD
MONITOR THE FORECAST AS WE GET CLOSER TO THE WEEKEND AS HAZARDOUS
TRAVEL CONDITIONS ARE LIKELY AT TIMES FROM SATURDAY NIGHT THROUGH
MONDAY MORNING.

ARCTIC AIR WILL SURGE INTO NORTHEAST WISCONSIN TOWARD THE MIDDLE
OF NEXT WEEK. THIS ARCTIC SURGE IS EXPECTED TO BRING BITTERLY
COLD TEMPERATURES AND THE POTENTIAL FOR DOUBLE DIGIT BELOW ZERO
WIND CHILLS TO THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE REQUESTED TO FORWARD SNOWFALL MEASUREMENTS TO THE
NATIONAL WEATHER SERVICE IN GREEN BAY.

LMZ521-522-541>543-101200-
THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-
351 AM CST FRI DEC 9 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE
MICHIGAN AND THE WATERS OF GREEN BAY.

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

SKOWRONSKI/KALLAS

In the hours before

Local storm report, Dec 9, 7:51 AM CST, 4 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
751 AM CST FRI DEC 09 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     SNOW             2 SE LAKE TOMAHAWK      45.79N 89.56W
12/09/2016  M2.5 INCH        ONEIDA             WI   CO-OP OBSERVER

&&

BERSCH
Local storm report, Dec 9, 8:58 AM CST, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
858 AM CST FRI DEC 09 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0735 AM     SNOW             11 W LAND O LAKES       46.16N 89.46W
12/09/2016  M4.4 INCH        VILAS              WI   COCORAHS

&&

BERSCH
Local storm report, Dec 9, 9:15 AM CST, 2 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
915 AM CST FRI DEC 09 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0913 AM     SNOW             3 W MINOCQUA            45.86N 89.75W
12/09/2016  E1.5 INCH        ONEIDA             WI   PUBLIC

&&

TOMH

Nearby

Winter Storm Watches in Wisconsin, 2016Every winter storm watch in 2016

Sources

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