Alert archive / Wisconsin / Winter Storm Warnings in 2008

Winter Storm Warning 10, NWS Milwaukee, WI

December 20, 200820 counties in Wisconsin

NWS Milwaukee, WI issued this winter storm warning at Dec 20, 2008, 3:26 PM CST for 20 counties in Wisconsin. It took effect at Dec 21, 2008, 12:00 AM CST. It was in force for 18 hr. 12 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Dec 20, 2008, 3:26 PM CST (21:26 UTC)
In effect from
Dec 21, 2008, 12:00 AM CST
Expired
Dec 21, 2008, 6:00 PM CST
In force
18 hr
Issued by
NWS Milwaukee, WI

Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 31 km from the middle of the area, began a volume at 21:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Dec 21, 12:05 AM CSTSNOW 3.8Brown Deer, WI
Dec 21, 12:20 AM CSTSNOW 2Kenosha, WI
Dec 21, 12:20 AM CSTSNOW 4.1Beaver Dam, WI
Dec 21, 12:30 AM CSTSNOW 2.3West Allis, WI
Dec 21, 12:40 AM CSTSNOW 3.3Fond Du Lac, WI
Dec 21, 8:00 AM CSTSNOW 3.51 Sw Sheboygan, WISNOW DEPTH 15 INCHES. PEAK WIND GUST 33 MPH AT 432 AM.
Dec 21, 8:00 AM CSTSNOW 5.41 N Sheboygan, WIBLOWING SNOW REPORTED AT HIGHWAY LS AND PIGEON RIVER.
Dec 21, 8:29 AM CSTSNOW 2.73 Se Portage, WISNOW DEPTH 16 INCHES. 3 FOOT DRIFTS IN OPEN AREAS.
Dec 21, 11:45 AM CSTSNOW 5.81 Nw Ripon, WISTORM TOTAL THROUGH 1145 AM. SNOW IS BLOWING AND DRIFTING WITH 5 FOOT DRIFTS. ROADS ARE SNOW-COVERED.
Dec 21, 12:00 PM CSTSNOW 2.8Jefferson, WISTORM TOTAL SNOWFALL THROUGH 12 NOON. SNOW DEPTH IS 15 INCHES. ROADS ARE SNOW COVERED.
Dec 21, 12:45 PM CSTSNOW 01 Se Cedar Grove, WIINTERSTATE 43 SOUTHBOUND BETWEEN BELGIUM AND CEDAR GROVE...DOZEN CARS PILED UP...ALL SOUTHBOUND LANES BUT 1 BLOCKED. STRONG WINDS CREATING NEAR WHITE OUT CONDITIONS ON ROADWAYS.
Dec 21, 2:00 PM CSTSNOW 33 Se Palmyra, WI24 HR STORM TOTAL...WITH 1 TO 3 FOOT DRIFTS...AND VISIBILITY BETWEEN 1 AND 5 MILES IN BLOWING SNOW

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 hours before the alert went out and 157 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 2008-12-20Temperature 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 2008-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897117136Sfc1 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
560 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS43 KMKX 202126
WSWMKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
326 PM CST SAT DEC 20 2008

...MORE SNOW THROUGH THIS EVENING... 
...CONSIDERABLE BLOWING SNOW AND BITTER COLD WIND CHILLS TO
FOLLOW...

.MORE WINTER WEATHER WILL AFFECT SOUTHERN WISCONSIN THROUGH SUNDAY.
WEAK LOW PRESSURE ACCOMPANIED BY A STRONG UPPER LEVEL DISTURBANCE
WILL MOVE SOUTHEAST FROM THE NORTHERN PLAINS INTO SOUTHERN
WISCONSIN BY THIS EVENING. SNOW OVER SOUTH CENTRAL WISCONSIN WILL 
SPREAD EAST BY EVENING.

THE SNOW WILL LAST THROUGH THE EVENING HOURS...BEFORE A STRONG
COLD FRONT MOVES THROUGH THE AREA. SNOW ACCUMULATIONS OF 3 TO 5
INCHES ARE POSSIBLE. IN ADDITION...WINDS WILL STRENGTHEN BEHIND
THE STRONG COLD FRONT AFTER MIDNIGHT TONIGHT. THESE WINDS WILL
PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW LATE TONIGHT
THROUGH SUNDAY...WITH BITTER COLD WIND CHILLS LATE TONIGHT THROUGH
MONDAY MORNING.

WIZ046-047-056-057-062-063-067-068-210530-
/O.NEW.KMKX.WS.W.0010.081221T0600Z-081222T0000Z/
/O.EXT.KMKX.WW.Y.0009.000000T0000Z-081221T0600Z/
/O.CON.KMKX.WC.Y.0009.081221T0900Z-081222T1800Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA-DANE-LAFAYETTE-GREEN-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...DODGEVILLE...MADISON...DARLINGTON...MONROE
326 PM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO
12 PM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
WINTER STORM WARNING FOR BLOWING SNOW...WHICH IS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 PM CST SUNDAY. THE WINTER WEATHER ADVISORY
FOR SNOW IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A WIND CHILL
ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO 12 PM CST MONDAY.

SNOW WILL CONTINUE THROUGH THIS EVENING. SNOW ACCUMULATIONS OF
3 TO 5 INCHES ARE EXPECTED...WITH THE HIGHEST AMOUNTS ACROSS
MARQUETTE AND GREEN LAKE COUNTIES...AND THE LOWEST AMOUNTS NEAR
THE ILLINOIS BORDER.

IN ADDITION...WINDS WILL STRENGTHEN TO 25 TO 30 MPH...WITH GUSTS
AROUND 40 MPH...BEHIND A STRONG COLD FRONT AFTER MIDNIGHT TONIGHT.
THIS WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING SNOW.
LOCALIZED BLIZZARD CONDITIONS ARE POSSIBLE AT TIMES IN OPEN AREAS. 
THESE CONDITIONS SHOULD CONTINUE THROUGH SUNDAY MORNING...AND
GRADUALLY IMPROVE SUNDAY AFTERNOON.

THE INCREASING WINDS AND FALLING TEMPERATURES WILL ALSO CAUSE
WIND CHILL VALUES TO DROP TO BETWEEN 20 BELOW AND 30 BELOW ZERO
LATE TONIGHT THROUGH MONDAY MORNING.

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT VISIBILITIES WILL
BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS...AND ON NORTH
TO SOUTH ROADS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A WINTER STORM WARNING FOR BLOWING SNOW IS ISSUED WHEN WINDS ABOVE
25 MPH WILL CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO ONE HALF
MILE OR LESS AT TIMES. TRAVEL MAY BECOME DANGEROUS...ESPECIALLY
IN OPEN AREAS WHERE ROADS ARE MORE PRONE TO SIGNIFICANT DRIFTING.
EXPECT THE POSSIBILITY OF A COUPLE FEET OF SNOW ON SOME ROADWAYS.
IF YOU MUST TRAVEL...KEEP A WINTER WEATHER SUPPLY KIT IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

WIZ051-052-058>060-064>066-069>072-210530-
/O.NEW.KMKX.WS.W.0010.081221T0600Z-081222T0000Z/
/O.EXT.KMKX.WW.Y.0009.081220T2300Z-081221T0600Z/
/O.CON.KMKX.WC.Y.0009.081221T0900Z-081222T1800Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-OZAUKEE-JEFFERSON-WAUKESHA-
MILWAUKEE-ROCK-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...PORT WASHINGTON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MILWAUKEE...JANESVILLE...BELOIT...ELKHORN...
LAKE GENEVA...RACINE...KENOSHA
326 PM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO
12 PM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
WINTER STORM WARNING FOR BLOWING SNOW...WHICH IS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 PM CST SUNDAY. THE WINTER WEATHER ADVISORY
FOR SNOW IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A WIND CHILL
ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO 12 PM CST MONDAY.

SNOW WILL DEVELOP OVER SOUTHEAST WISCONSIN BY EARLY THIS 
EVENING AND WILL LASTING UNTIL MIDNIGHT. SNOW ACCUMULATIONS OF 3
TO 5 INCHES ARE POSSIBLE...WITH THE HIGHEST AMOUNTS ACROSS FOND DU
LAC AND SHEBOYGAN COUNTIES...AND THE LOWEST AMOUNTS NEAR THE
ILLINOIS BORDER.

IN ADDITION...WINDS WILL STRENGTHEN TO 25 TO 30 MPH...WITH GUSTS
AROUND 40 MPH...BEHIND A STRONG COLD FRONT AFTER MIDNIGHT TONIGHT.
THIS WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING SNOW.
LOCALIZED BLIZZARD CONDITIONS ARE POSSIBLE AT TIMES IN OPEN AREAS. 
THESE CONDITIONS SHOULD CONTINUE THROUGH SUNDAY MORNING...AND
GRADUALLY IMPROVE SUNDAY AFTERNOON.

THE INCREASING WINDS AND FALLING TEMPERATURES WILL ALSO CAUSE
WIND CHILL VALUES TO DROP TO BETWEEN 20 BELOW AND 30 BELOW ZERO
LATE TONIGHT THROUGH MONDAY MORNING.

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT VISIBILITIES WILL
BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS...AND ON NORTH
TO SOUTH ROADS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A WINTER STORM WARNING FOR BLOWING SNOW IS ISSUED WHEN WINDS ABOVE
25 MPH WILL CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO ONE HALF
MILE OR LESS AT TIMES. TRAVEL MAY BECOME DANGEROUS...ESPECIALLY
IN OPEN AREAS WHERE ROADS ARE MORE PRONE TO SIGNIFICANT DRIFTING.
EXPECT THE POSSIBILITY OF A COUPLE FEET OF SNOW ON SOME ROADWAYS.
IF YOU MUST TRAVEL...KEEP A WINTER WEATHER SUPPLY KIT IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

BORGHOFF/REM
5 follow-up statements
000 
WWUS43 KMKX 210248
WSWMKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
848 PM CST SAT DEC 20 2008

...MORE SEVERE WINTER WEATHER WILL AFFECT SOUTHERN WISCONSIN
THROUGH SUNDAY...

.AT 845 PM...A STRONG...ARCTIC COLD FRONT WAS LOCATED ALONG A LINE
FROM LA CROSSE TO DUBUQUE IOWA. THIS FRONT WILL PUSH EAST
NORTHEAST ACROSS SOUTHERN WISCONSIN LATER THIS EVENING. THE FRONT
SHOULD REACH LONE ROCK AROUND 10 PM...MADISON AROUND 1145 PM...AND
THE MILWAUKEE METRO AROUND 3 AM.

WINDS WILL STRENGTHEN IMMEDIATELY BEHIND THE STRONG COLD FRONT AS 
TEMPERATURES PLUMMET. THE COMBINATION OF BITTER COLD TEMPERATURES
AND SUCH STRONG WINDS WILL RESULT IN DANGEROUS WIND CHILLS BY
EARLY SUNDAY MORNING.

THESE STRONG WINDS WILL ALSO RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW...REDUCING VISIBILITIES TO LESS THAN 1/2 MILE IN
OPEN AREAS WITH SIGNIFICANT DRIFTING SNOW OVER NORTH TO SOUTH
ROADWAYS.

WIZ046-047-051-052-056>060-062>072-211100-
/O.CON.KMKX.WS.W.0010.081221T0600Z-081222T0000Z/
/O.CON.KMKX.WW.Y.0009.000000T0000Z-081221T0600Z/
/O.CON.KMKX.WC.Y.0009.081221T0900Z-081222T1800Z/
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC...
SHEBOYGAN...BARABOO...PORTAGE...WISCONSIN DELLS...BEAVER DAM...
WEST BEND...PORT WASHINGTON...DODGEVILLE...MADISON...JEFFERSON...
LAKE MILLS...WAUKESHA...BROOKFIELD...MILWAUKEE...DARLINGTON...
MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA...RACINE...
KENOSHA
848 PM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM CST SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO
12 PM CST MONDAY...

A WINTER STORM WARNING FOR BLOWING SNOW REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 PM CST SUNDAY. A WINTER WEATHER ADVISORY FOR
SNOW REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A WIND CHILL
ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO 12 PM CST MONDAY.

SNOW WILL CONTINUE THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO
4 INCHES ARE LIKELY.

AT 845 PM...A STRONG...ARCTIC COLD FRONT WAS LOCATED ALONG A LINE
FROM LA CROSSE TO DUBUQUE IOWA. THIS FRONT WILL PUSH EAST
NORTHEAST ACROSS SOUTHERN WISCONSIN LATER THIS EVENING. THE FRONT
SHOULD REACH LONE ROCK AROUND 10 PM...MADISON AROUND 1145 PM...AND
THE MILWAUKEE METRO AROUND 3 AM.

WINDS WILL SHIFT TO THE WEST AND STRENGTHEN IMMEDIATELY BEHIND
THE STRONG COLD FRONT TO 20 TO 30 MPH...WITH GUSTS TO 40 MPH.
TEMPERATURES WILL PLUMMET FROM THE 20S INTO THE SINGLE DIGITS
BELOW ZERO OVERNIGHT. THE COMBINATION OF BITTER COLD TEMPERATURES
AND SUCH STRONG WINDS WILL RESULT IN WIDESPREAD DANGEROUS WIND
CHILLS OF 30 TO 34 DEGREES BELOW ZERO BY EARLY SUNDAY MORNING.

THESE STRONG WINDS WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING
SNOW...REDUCING VISIBILITIES TO LESS THAN 1/2 MILE IN OPEN AREAS.
LOCAL BLIZZARD CONDITIONS ARE ALSO POSSIBLE AT TIMES. SIGNIFICANT
SNOW DRIFTS OVER NORTH TO SOUTH ROADS CAN BE EXPECTED OVERNIGHT.

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT VISIBILITIES WILL
BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS...AND ON NORTH
TO SOUTH ROADS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE WIND CHILL VALUES OF 20 TO 34 BELOW.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF
PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE
SURE YOU WEAR A HAT AND GLOVES.

A WINTER STORM WARNING FOR BLOWING SNOW IS ISSUED WHEN WINDS
ABOVE 25 MPH WILL CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO
ONE HALF MILE OR LESS AT TIMES. TRAVEL MAY BECOME DANGEROUS...
ESPECIALLY IN OPEN AREAS WHERE ROADS ARE MORE PRONE TO
SIGNIFICANT DRIFTING. EXPECT THE POSSIBILITY OF A COUPLE FEET OF
SNOW ON SOME ROADWAYS. IF YOU MUST TRAVEL...KEEP A WINTER WEATHER
SUPPLY KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$

BORGHOFF
000 
WWUS43 KMKX 211024
WSWMKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
424 AM CST SUN DEC 21 2008

...SEVERE WINTER WEATHER TO AFFECT SOUTHERN WISCONSIN TODAY
THROUGH MONDAY MORNING...

.STRONG WESTERLY WINDS AND FRIGID TEMPERATURES WILL CONTINUE
ACROSS SOUTHERN WISCONSIN THROUGH MONDAY MORNING. THE COMBINATION
OF BITTER COLD TEMPERATURES AND THE STRONG WINDS WILL RESULT IN
DANGEROUS WIND CHILLS DURING THIS TIME.

THESE STRONG WINDS WILL ALSO RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW TODAY...REDUCING VISIBILITIES TO LESS THAN 1/2 MILE
IN OPEN AREAS. SIGNIFICANT DRIFTING SNOW IS ALSO EXPECTED OVER
NORTH TO SOUTH ROADWAYS.

WIZ046-047-051-052-056>060-062>072-211830-
/O.CON.KMKX.WS.W.0010.000000T0000Z-081222T0000Z/
/O.CON.KMKX.WC.Y.0009.000000T0000Z-081222T1800Z/
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC...
SHEBOYGAN...BARABOO...PORTAGE...WISCONSIN DELLS...BEAVER DAM...
WEST BEND...PORT WASHINGTON...DODGEVILLE...MADISON...JEFFERSON...
LAKE MILLS...WAUKESHA...BROOKFIELD...MILWAUKEE...DARLINGTON...
MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA...RACINE...
KENOSHA
424 AM CST SUN DEC 21 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM
CST MONDAY. 

STRONG WESTERLY WINDS OF 20 TO 30 MPH...WITH GUSTS TO 40 MPH...ARE
EXPECTED TODAY. THE COMBINATION OF BITTER COLD TEMPERATURES AND
THE STRONG WINDS WILL RESULT IN WIDESPREAD DANGEROUS WIND CHILLS
OF 20 BELOW TO 34 DEGREES BELOW ZERO THROUGH MONDAY MORNING.

THESE STRONG WINDS WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW...REDUCING VISIBILITIES TO LESS THAN 1/2 MILE IN
OPEN AREAS. LOCAL BLIZZARD CONDITIONS ARE ALSO POSSIBLE AT TIMES.
SIGNIFICANT SNOW DRIFTS OVER NORTH TO SOUTH ROADS CAN BE EXPECTED
TODAY. 

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE WIND CHILL VALUES OF 20 TO 34 BELOW. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS
ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A
HAT AND GLOVES.

A WINTER STORM WARNING FOR BLOWING SNOW IS ISSUED WHEN WINDS
ABOVE 25 MPH WILL CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO
ONE HALF MILE OR LESS AT TIMES. TRAVEL MAY BECOME DANGEROUS...
ESPECIALLY IN OPEN AREAS WHERE ROADS ARE MORE PRONE TO SIGNIFICANT
DRIFTING. EXPECT THE POSSIBILITY OF A COUPLE FEET OF SNOW ON SOME
ROADWAYS. IF YOU MUST TRAVEL...KEEP A WINTER WEATHER SUPPLY KIT IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$
WOOD/BRUESKE
000 
WWUS43 KMKX 211518
WSWMKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
918 AM CST SUN DEC 21 2008

...SEVERE WINTER WEATHER TO AFFECT SOUTHERN WISCONSIN TODAY
THROUGH MONDAY MORNING...

.STRONG WESTERLY WINDS AND FRIGID TEMPERATURES WILL CONTINUE
ACROSS SOUTHERN WISCONSIN THROUGH MONDAY MORNING. THE COMBINATION
OF BITTER COLD TEMPERATURES AND THE STRONG WINDS WILL RESULT IN
DANGEROUS WIND CHILLS DURING THIS TIME.

THESE STRONG WINDS WILL ALSO RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW TODAY...REDUCING VISIBILITIES TO LESS THAN 1/2 MILE
IN OPEN AREAS. SIGNIFICANT DRIFTING SNOW IS ALSO
EXPECTED...ESPECIALLY ON NORTH TO SOUTH ROADWAYS.

WIZ046-047-051-052-056>060-062>072-212330-
/O.CON.KMKX.WS.W.0010.000000T0000Z-081222T0000Z/
/O.CON.KMKX.WC.Y.0009.000000T0000Z-081222T1800Z/
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC...
SHEBOYGAN...BARABOO...PORTAGE...WISCONSIN DELLS...BEAVER DAM...
WEST BEND...PORT WASHINGTON...DODGEVILLE...MADISON...JEFFERSON...
LAKE MILLS...WAUKESHA...BROOKFIELD...MILWAUKEE...DARLINGTON...
MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA...RACINE...
KENOSHA
918 AM CST SUN DEC 21 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY.

STRONG WESTERLY WINDS OF 20 TO 30 MPH...WITH A FEW GUSTS TO 35 TO
40 MPH...ARE EXPECTED TODAY. THE COMBINATION OF BITTER COLD
TEMPERATURES AND THE STRONG WINDS WILL RESULT IN WIDESPREAD
DANGEROUS WIND CHILLS OF 20 BELOW TO 34 DEGREES BELOW ZERO THROUGH
MONDAY MORNING.

THESE STRONG WINDS WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW...REDUCING VISIBILITIES TO LESS THAN 1/2 MILE IN
OPEN AREAS. LOCAL BLIZZARD CONDITIONS ARE ALSO POSSIBLE AT TIMES.
SIGNIFICANT SNOW DRIFTS OVER NORTH TO SOUTH ROADS CAN BE EXPECTED
TODAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE WIND CHILL VALUES OF 20 TO 34 BELOW.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF
PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE
SURE YOU WEAR A HAT AND GLOVES.

A WINTER STORM WARNING FOR BLOWING SNOW IS ISSUED WHEN WINDS
ABOVE 25 MPH WILL CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO
ONE HALF MILE OR LESS AT TIMES. TRAVEL MAY BECOME DANGEROUS...
ESPECIALLY IN OPEN AREAS WHERE ROADS ARE MORE PRONE TO
SIGNIFICANT DRIFTING. EXPECT THE POSSIBILITY OF A COUPLE FEET OF
SNOW ON SOME ROADWAYS. IF YOU MUST TRAVEL...KEEP A WINTER WEATHER
SUPPLY KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$

KAPELA
000 
WWUS43 KMKX 212142
WSWMKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
342 PM CST SUN DEC 21 2008

...SEVERE WINTER WEATHER TO AFFECT SOUTHERN WISCONSIN THROUGH
MONDAY MORNING...

.STRONG WESTERLY WINDS WILL SLOWLY DIMINISH OVERNIGHT...WITH FRIGID
TEMPERATURES CONTINUING ACROSS SOUTHERN WISCONSIN THROUGH MONDAY
MORNING. THE COMBINATION OF BITTER COLD TEMPERATURES AND THE
STRONG WINDS WILL RESULT IN DANGEROUS WIND CHILLS DURING THIS
TIME.

THESE STRONG WINDS WILL ALSO RESULT IN BLOWING AND DRIFTING SNOW
THIS EVENING...REDUCING LOCAL VISIBILITIES TO 1/2 MILE IN OPEN
AREAS THIS EVENING. SIGNIFICANT DRIFTING SNOW IS ALSO EXPECTED...
ESPECIALLY ON NORTH TO SOUTH ROADWAYS.

WIZ046-047-056-057-062-063-220545-
/O.NEW.KMKX.WW.Y.0010.081222T0000Z-081222T0300Z/
/O.CON.KMKX.WS.W.0010.000000T0000Z-081222T0000Z/
/O.CON.KMKX.WC.Y.0009.000000T0000Z-081222T1800Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA-DANE-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...DODGEVILLE...MADISON
342 PM CST SUN DEC 21 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 9
PM CST THIS EVENING. A WINTER STORM WARNING REMAINS IN EFFECT
UNTIL 6 PM CST THIS AFTERNOON. A WIND CHILL ADVISORY REMAINS IN
EFFECT UNTIL 12 PM CST MONDAY.

STRONG WESTERLY WINDS OF 15 TO 25 MPH...WITH A FEW GUSTS TO 30
MPH...WILL DIMINISH TO 10 TO 15 MPH LATE THIS EVENING. THE
COMBINATION OF BITTER COLD TEMPERATURES AND THE STRONG WINDS WILL
RESULT IN WIDESPREAD DANGEROUS WIND CHILLS OF 20 BELOW TO 30
DEGREES BELOW ZERO THROUGH MONDAY MORNING.

THESE STRONG WINDS WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW...REDUCING LOCAL VISIBILITIES TO LESS THAN 1/2 MILE
IN OPEN AREAS. SIGNIFICANT SNOW DRIFTS OVER NORTH TO SOUTH ROADS
CAN BE EXPECTED THIS EVENING

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE WIND CHILL VALUES OF 20 TO 34 BELOW.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF
PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE
SURE YOU WEAR A HAT AND GLOVES.

A WINTER STORM WARNING FOR BLOWING SNOW IS ISSUED WHEN WINDS
ABOVE 25 MPH WILL CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO
ONE HALF MILE OR LESS AT TIMES. TRAVEL MAY BECOME DANGEROUS...
ESPECIALLY IN OPEN AREAS WHERE ROADS ARE MORE PRONE TO
SIGNIFICANT DRIFTING. EXPECT THE POSSIBILITY OF A COUPLE FEET OF
SNOW ON SOME ROADWAYS. IF YOU MUST TRAVEL...KEEP A WINTER WEATHER
SUPPLY KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$

WIZ051-052-058>060-064>072-220545-
/O.NEW.KMKX.WW.Y.0010.081222T0000Z-081222T0600Z/
/O.CON.KMKX.WS.W.0010.000000T0000Z-081222T0000Z/
/O.CON.KMKX.WC.Y.0009.000000T0000Z-081222T1800Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-OZAUKEE-JEFFERSON-WAUKESHA-
MILWAUKEE-LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...PORT WASHINGTON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MILWAUKEE...DARLINGTON...MONROE...JANESVILLE...
BELOIT...ELKHORN...LAKE GENEVA...RACINE...KENOSHA
342 PM CST SUN DEC 21 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT. A WINTER STORM WARNING REMAINS IN EFFECT
UNTIL 6 PM CST THIS AFTERNOON. A WIND CHILL ADVISORY REMAINS IN
EFFECT UNTIL 12 PM CST MONDAY.

STRONG WESTERLY WINDS OF 15 TO 30 MPH...WITH A FEW GUSTS TO 35 MPH
...WILL SLOWLY DIMINISH TONIGHT. THE COMBINATION OF BITTER COLD
TEMPERATURES AND THE STRONG WINDS WILL RESULT IN WIDESPREAD
DANGEROUS WIND CHILLS OF 20 BELOW TO 34 DEGREES BELOW ZERO THROUGH
MONDAY MORNING.

THESE STRONG WINDS WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW...REDUCING LOCAL VISIBILITIES TO 1/2 MILE IN OPEN
AREAS. 

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.SIGNIFICANT SNOW
DRIFTS OVER NORTH TO SOUTH ROADS CAN BE EXPECTED TODAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE WIND CHILL VALUES OF 20 TO 34 BELOW.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF
PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE
SURE YOU WEAR A HAT AND GLOVES.

A WINTER STORM WARNING FOR BLOWING SNOW IS ISSUED WHEN WINDS
ABOVE 25 MPH WILL CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO
ONE HALF MILE OR LESS AT TIMES. TRAVEL MAY BECOME DANGEROUS...
ESPECIALLY IN OPEN AREAS WHERE ROADS ARE MORE PRONE TO
SIGNIFICANT DRIFTING. EXPECT THE POSSIBILITY OF A COUPLE FEET OF
SNOW ON SOME ROADWAYS. IF YOU MUST TRAVEL...KEEP A WINTER WEATHER
SUPPLY KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$

REM
000 
WWUS43 KMKX 220017
WSWMKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
617 PM CST SUN DEC 21 2008

...SEVERE WINTER WEATHER TO AFFECT SOUTHERN WISCONSIN THROUGH
MONDAY MORNING...

.BRISK WESTERLY WINDS WILL SLOWLY DIMINISH OVERNIGHT...WITH FRIGID
TEMPERATURES CONTINUING ACROSS SOUTHERN WISCONSIN THROUGH MONDAY
MORNING. THE COMBINATION OF BITTER COLD TEMPERATURES AND THE
BRISK WINDS WILL RESULT IN DANGEROUS WIND CHILLS DURING THIS TIME.

THE BRISK WINDS WILL ALSO RESULT IN BLOWING AND DRIFTING SNOW THIS
EVENING...REDUCING LOCAL VISIBILITIES TO 1/2 MILE IN OPEN AREAS
THIS EVENING. SIGNIFICANT DRIFTING SNOW IS ALSO EXPECTED...
ESPECIALLY ON NORTH TO SOUTH ROADWAYS.

WIZ046-047-056-057-062-063-220830-
/O.EXP.KMKX.WS.W.0010.000000T0000Z-081222T0000Z/
/O.CON.KMKX.WC.Y.0009.000000T0000Z-081222T1800Z/
/O.CON.KMKX.WW.Y.0010.000000T0000Z-081222T0300Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA-DANE-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...DODGEVILLE...MADISON
617 PM CST SUN DEC 21 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A WINTER WEATHER
ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. 

WEST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL CONTINUE TO
CAUSE SOME BLOWING AND DRIFTING SNOW EARLY THIS EVENING WHILE THE
COMBINATION OF VERY COLD TEMPERATURES AND WINDS WILL GENERATE WIND
CHILLS OF 20 BELOW TO 30 BELOW ZERO TONIGHT AND MONDAY MORNING.  

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO BRISK WINDS BLOWING SNOW AROUND. USE CAUTION
WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU
MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

$$

WIZ051-052-058>060-064>072-220830-
/O.EXP.KMKX.WS.W.0010.000000T0000Z-081222T0000Z/
/O.CON.KMKX.WC.Y.0009.000000T0000Z-081222T1800Z/
/O.CON.KMKX.WW.Y.0010.000000T0000Z-081222T0600Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-OZAUKEE-JEFFERSON-WAUKESHA-
MILWAUKEE-LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...PORT WASHINGTON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MILWAUKEE...DARLINGTON...MONROE...JANESVILLE...
BELOIT...ELKHORN...LAKE GENEVA...RACINE...KENOSHA
617 PM CST SUN DEC 21 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A WINTER WEATHER
ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. 

WEST WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS WILL CONTINUE TO
CAUSE SOME BLOWING AND DRIFTING SNOW THIS EVENING. VISIBILITIES
MAY BE REDUCED TO 1/2 MILE OR LESS IN OPEN AREAS. IN ADDITION...THE
COMBINATION OF VERY COLD TEMPERATURES AND WINDS WILL GENERATE WIND
CHILLS OF 20 BELOW TO 30 BELOW ZERO TONIGHT AND MONDAY MORNING.

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO BRISK WINDS BLOWING SNOW AROUND. USE CAUTION
WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

GEHRING

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 Milwaukee, WI wrote its last area forecast discussion before this winter storm warning went out at Dec 20, 4:08 AM CST, 11 hours 18 minutes earlier.

Area forecast discussion, Dec 20, 4:08 AM CST, 11 hours 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
408 AM CST SAT DEC 20 2008

FORECAST FOCUS ON SNOW AND BLOWING SNOW TODAY THROUGH SUNDAY.

LATEST WATER VAPOR IMAGERY INDICATED AN UPPER LEVEL LOW JUST NORTH
OF MONTANA...WITH AN EMBEDDED VORTICITY MAXIMUM ON ITS FORWARD
FLANK OVER THE NORTHERN HIGH PLAINS. AHEAD OF THIS FEATURE...AN
INVERTED TROUGH WAS LOCATED OVER THE EASTERN DAKOTAS. THESE
FEATURES COMBINING WITH MODEST MID LEVEL FRONTOGENESIS AND Q
VECTOR CONVERGENCE TO PRODUCE LIGHT SNOW OVER MINNESOTA BACK INTO
THE DAKOTAS.

.TODAY THROUGH SUNDAY...MAIN ISSUE IS HOW TO HANDLE EXPECTED
SNOWFALL LATE THIS AFTERNOON AND THIS EVENING...AND STRONG WEST
WINDS AFTER THE FRONTAL PASSAGE AFTER MIDNIGHT INTO SUNDAY.
AFOREMENTIONED FEATURES MOVE INTO THE WESTERN COUNTIES LATE THIS
AFTERNOON...AND INTO THE REST OF THE AREA BY 00Z SUNDAY. AREA
FORECAST SOUNDINGS SHOW ABOUT 4 HOURS OF GOOD UPWARD VERTICAL
MOTION IN DENDRITE SNOW CRYSTAL GROWTH ZONE. NAM AND GFS HAVE COME
INTO BETTER AGREEMENT WITH THE QPF FOR THIS SYSTEM. THEY GENERALLY
HAVE 0.25 TO 0.30 INCHES IN THE NORTHERN COUNTIES...TO 0.10 TO
0.15 INCHES IN THE SOUTH. USING A SNOW TO LIQUID RATIO OF AROUND
20 TO 1 FROM ROEBBER AND COBB TECHNIQUES...WOULD EXPECT A GENERAL
3 TO 6 INCHES ACROSS THE NORTH BY MIDNIGHT TONIGHT...AND 2 TO
5 INCHES IN THE SOUTH.

AFTER STRONG COLD FRONT MOVES THROUGH THE AREA BY MIDNIGHT...THE
MAIN ACCUMULATING SNOW SHOULD END...AS BEST UPWARD VERTICAL MOTION
EXITS THE AREA. STRONG COLD AIR ADVECTION ENSUES...LASTING INTO
SUNDAY. 1000/500MB THICKNESSES DROP INTO THE 500 TO 510 DKM
RANGE...AN ARCTIC TYPE AIRMASS. EXPECT TEMPERATURES TO PLUMMET
DURING THE DAY AND INTO TONIGHT...WITH LOWS IN THE SINGLE DIGITS
EXPECTED. BRISK WEST WINDS OF 20 TO 30 MPH...WITH SOME GUSTS TO 40
MPH...ARE EXPECTED TO CREATE BITTER COLD WIND CHILLS LATER
TONIGHT AND SUNDAY...GETTING DOWN TO THE 20 BELOW TO 30 BELOW ZERO
RANGE.

THE WINDS WILL ALSO CAUSE BLOWING AND DRIFTING SNOW...ESPECIALLY
ON NORTH TO SOUTH ROADS. THE HIGH SNOW TO LIQUID RATIOS SHOULD
HELP THE BLOWING AND DRIFTING...THOUGH AM NOT CONVINCED THAT
VISIBILITIES WILL DROP BELOW 1/2 MILE THRESHOLD NEEDED FOR A
WINTER STORM WARNING.

SO...WILL GO WITH A WINTER WEATHER ADVISORY FOR SNOW LATE THIS
AFTERNOON AND THIS EVENING. WILL KEEP THE ADVISORY GOING FOR LATER
TONIGHT AND SUNDAY FOR THE BLOWING AND DRIFTING SNOW.

.SUNDAY NIGHT THROUGH MONDAY NIGHT...SURFACE PRESSURE GRADIENT
STILL FAIRLY TIGHT SUNDAY NIGHT...SO MENTIONED BLOWING SNOW IN THE
FORECAST. LATER SHIFTS CAN ASSESS IF THE ADVISORY WOULD NEED TO BE
EXTENDED INTO SUNDAY NIGHT...GIVEN THE EXPECTED WINDS. WIND CHILLS
WILL CONTINUE TO BE BITTER COLD INTO MONDAY MORNING...BEFORE
PRESSURE GRADIENT EASES. VERY COLD TEMPERATURES CONTINUE DURING
THIS PERIOD...WITH HIGHS NOT MAKING IT OUT OF THE SINGLE
DIGITS...AND LOWS DROPPING BELOW ZERO ACROSS MOST AREAS.

.TUESDAY THROUGH WEDNESDAY...NEXT LOW PRESSURE SYSTEM TO MOVE
THROUGH THE REGION DURING THIS TIME. LOW MOVES FROM THE CENTRAL
PLAINS ACROSS NORTH CENTRAL WISCONSIN...AND INTO NORTHERN LOWER
MICHIGAN BY LATE WEDNESDAY. POTENT SHORTWAVE TROUGH AND VORTICITY
MAXIMUM ACCOMPANIES THIS SYSTEM. SHOULD SEE SEVERAL INCHES OF
ACCUMULATION FROM THIS SYSTEM MAINLY TUESDAY AND TUESDAY NIGHT.
GIVEN MODEL CONTINUITY BETWEEN THE GFS AND ECMWF...WENT WITH
LIKELY POPS TUESDAY. THESE MAY NEED TO BE EXPANDED INTO TUESDAY
NIGHT. COLD TEMPERATURES STILL EXPECTED THROUGH THE PERIOD.

.WEDNESDAY NIGHT THROUGH FRIDAY...THINGS APPEAR QUIET FOR NOW ON
CHRISTMAS DAY...WITH A WEAK HIGH PASSING TO THE SOUTHEAST. GFS AND
ECMWF THEN DISAGREE ON PROGRESSION OF ANOTHER LOW MOVING NORTHEAST
TOWARD THE REGION FOR FRIDAY AND INTO NEXT WEEKEND. FOR NOW...KEPT
THIS PORTION OF THE FORECAST UNCHANGED. TEMPERATURES STILL LOOK TO
BE COLD.

&&

.AVIATION...MVFR CIGS THIS MORNING WITH MOIST EAST FLOW OFF LAKE
MICHIGAN. AS TROUGH OF LOW PRESSURE MOVES ACROSS WISCONSIN FROM
THE WEST...SNOW IS EXPECTED WITH IFR CIGS AND IFR/LIFR
VISIBILITIES. NEXT CONCERN WILL BE PASSAGE OF A STRONG COLD FRONT
TONIGHT WITH STRONG GUSTY WEST WINDS CAUSING BLOWING SNOW. HIGHLY
VARIABLE VISIBILITIES EXPECTED BOUNCING BETWEEN VFR WITH SOME LIFR
VSBYS AT TIMES IN THE BLOWING SNOW. IFR CIGS DURING THE EVENING
WILL RISE TO MVFR BEHIND THE STRONG COLD FRONT.

&&

.MARINE...A VERY ACTIVE WEATHER PATTERN WILL REMAIN IN PLACE OVER
THE LAKE. A TROUGH OF LOW PRESSURE WILL MOVE ACROSS THE GREAT
LAKES REGION TONIGHT. A STRONG COLD FRONT WILL REACH LAKE MICHIGAN
AFTER MIDNIGHT. STRONG WEST GALES ARE EXPECTED BEHIND THE FRONT.
WILL POST A GALE WARNING FOR THIS TIME PERIOD. ALTHOUGH WINDS WILL
GO FROM SUB SMALL CRAFT CRITERIA TO GALE CONDITIONS...THE
PERSISTENT SOUTHEAST WINDS SHOULD BRING WAVES ABOVE SMALL CRAFT
CRITERIA THIS EVENING. IN ADDITION...TEMPERATURES WILL PLUMMET TO
THE SINGLE DIGITS SATURDAY NIGHT AND REMAIN VERY COLD THROUGH
MONDAY MORNING. THIS...IN ADDITION TO THE GALE FORCE WINDS...WILL
LEAD TO WIDESPREAD HEAVY FREEZING SPRAY. HAVE POSTED A HEAVY
FREEZING SPRAY WARNING.

&&

.MKX WATCHES/WARNINGS/ADVISORIES...
WI...WINTER WEATHER ADVISORY FROM 3 PM THIS AFTERNOON TO 6 PM CST
     SUNDAY FOR WIZ046-047-056-057-062-063-067-068.

     WIND CHILL ADVISORY FROM 3 AM SUNDAY TO 12 PM CST MONDAY FOR
     WIZ046-047-051-052-056>060-062>072.

     WINTER WEATHER ADVISORY FROM 6 PM THIS EVENING TO 6 PM CST
     SUNDAY FOR WIZ051-052-058>060-064>066-069>072.

LM...HEAVY FREEZING SPRAY WARNING FROM 6 AM SUNDAY TO 6 AM CST MONDAY
     FOR LMZ643>646.

     SMALL CRAFT ADVISORY FROM 6 PM THIS EVENING TO 3 AM CST SUNDAY
     FOR LMZ643>646.

     GALE WARNING FROM 3 AM SUNDAY TO 6 AM CST MONDAY FOR LMZ643>646.

&&

SHORT/LONG TERM...08/WOOD
AVIATION/MARINE...06/HENTZ
Hazardous weather outlook, Dec 20, 12:30 PM CST, 2 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1230 PM CST SAT DEC 20 2008

WIZ046-047-051-052-056>060-062>072-211045-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
1230 PM CST SAT DEC 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WINTER WEATHER ADVISORY IS IN EFFECT STARTING AT 3 PM THIS
AFTERNOON OVER SOUTH CENTRAL WISCONSIN AND FOR SOUTHEAST
WISCONSIN STARTING AT 6 PM. A TROUGH OF LOW PRESSURE WILL TRACK
ACROSS WISCONSIN AS THE MAIN LOW STRENGTHENS OVER THE GREAT LAKES
REGION LATER TONIGHT. SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE
POSSIBLE BY SUNDAY EVENING. THE LESSER AMOUNTS ARE EXPECTED SOUTH
TOWARDS THE ILLINOIS BORDER...WITH THE HIGHER AMOUNTS NORTH TOWARD
FOND DU LAC AND SHEBOYGAN. IN ADDITION...A STRONG COLD FRONT WILL
TRACK ACROSS SOUTHERN WISCONSIN THIS EVENING. WESTERLY WINDS WILL
INCREASE TO 20 MPH...WITH GUSTS TO 35 MPH LATER TONIGHT AND
SUNDAY. EVEN THOUGH MUCH OF THE ACCUMULATING SNOW WILL BE
OVER...THE STRONG WINDS WILL CAUSE CONSIDERABLE BLOWING AND
DRIFTING SNOW WITH VISIBILITIES BELOW 1/2 MILE AT TIMES IN OPEN
AREAS.

A WIND CHILL ADVISORY IS IN EFFECT FROM 3 AM TONIGHT FOR ALL OF
SOUTHERN WISCONSIN. AS WINDS INCREASE AND TEMPERATURES FALL
SATURDAY NIGHT...WIND CHILLS WILL DROP TO BETWEEN 20 BELOW
AND 30 BELOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ALTHOUGH MAINLY LIGHT SNOW WILL LINGER SUNDAY...THE STRONG WINDS
AND BLOWING SNOW WILL CONTINUE INTO SUNDAY AFTERNOON. THE WIND
CHILL ADVISORY WILL ALSO BE IN EFFECT THROUGH NOON MONDAY FOR ALL
OF SOUTHERN WISCONSIN. WIND CHILLS WILL DROP TO BETWEEN 20 BELOW
AND 34 BELOW SUNDAY NIGHT.

YET ANOTHER ROUND OF SNOW...POSSIBLY 3 TO 5 INCHES...COULD ARRIVE
TUESDAY INTO WEDNESDAY MORNING...WITH A MIX OF PRECIPITATION
POSSIBLE FAR SOUTHEAST.

.SPOTTER INFORMATION STATEMENT...

SNOWFALL REPORTS WILL BE APPRECIATED.

LMZ643>646-211045-
SHEBOYGAN TO PORT WASHINGTON WI-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
NORTH POINT LIGHT TO WIND POINT WI-
WIND POINT WI TO WINTHROP HARBOR IL-
1230 PM CST SAT DEC 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A SMALL CRAFT ADVISORY IS IN EFFECT THROUGH THIS EVENING DUE TO
BRISK SOUTHEAST WINDS AND INCREASING WAVES. A STRONG COLD FRONT WILL
PASS THROUGH THE NEARSHORE AREA AROUND MIDNIGHT SATURDAY
EVENING...WITH WEST GALES DEVELOPING AND TEMPERATURES PLUMMETING
BEHIND IT... CAUSING FREEZING SPRAY. GALE WARNINGS ARE IN EFFECT AT
3 AM SUNDAY MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

GALE WARNINGS AND HEAVY FREEZING SPRAY WARNINGS WILL BE IN EFFECT
SUNDAY AND SUNDAY NIGHT.

A SMALL CRAFT ADVISORY MAY BE NEEDED AGAIN TUESDAY THROUGH WEDNESDAY.

BORGHOFF

WWW.WEATHER.GOV/MKX

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 20, 3:41 AM CSTGale WarningMKX50 hr
Dec 20, 3:41 AM CSTSmall Craft AdvisoryMKX23 hr
Dec 20, 3:41 AM CSTHeavy Freezing Spray WarningMKX50 hr
Dec 20, 4:29 AM CSTWinter Weather AdvisoryMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more20 hr

Nearby

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

Sources

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