Alert archive / Wisconsin / Small Craft Advisories in 2008

Small Craft Advisory 83, NWS Green Bay, WI

December 22, 2008

NWS Green Bay, WI issued this small craft advisory at Dec 22, 2008, 3:26 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Dec 22, 2008, 3:26 AM CST (09:26 UTC)
Expired: Dec 22, 2008, 11:00 AM CST
In force: 8 hr
Issued by: NWS Green Bay, WI

What forecasters said that day

The local office's own words before this small craft advisory 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 small craft advisory went out at Dec 21, 3:24 PM CST, 12 hours 2 minutes earlier.

Area forecast discussion, Dec 21, 3:24 PM CST, 12 hours 2 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
324 PM CST SUN DEC 21 2008

.SHORT TERM...TONIGHT AND MONDAY...WINTER WX HEADLINES ARE THE
MAIN CONCERNS FOR TONIGHT.

HAVE ATTEMPTED TO KEEP THINGS SIMPLE WITH HEADLINES FOR TONIGHT...
ALTHOUGH THERE ARE STILL A FEW DIFFICULTIES TO WORK THROUGH.
ASIDE FROM ONGOING LES SNOW IN NC WI AND STG GUSTY WINDS/BLOWING
SNOW IN THE FOX VALLEY/LKSHR AREAS...THE MOST WIDESPREAD THREAT
FOR TONIGHT INTO MONDAY MORNING WILL BE WIND CHILLS. WILL KEEP A
WINTER WX ADVSY GOING FOR VILAS (LINGERING LES FOLLOWED BY BITTER
WIND CHILLS) AND ALONG THE LKSHR (BLOWING SNOW AND MARGINAL WIND
CHILLS LATER TONIGHT INTO MONDAY MORNING). FOR THE REST OF THE
FA...WILL CONVERT THE WINTER WX ADVSY INTO A WIND CHILL ADVSY
THROUGH 15Z/MON. THE WIND CHILL ADVSY WILL BE A BIT COMPLICATED
INITIALLY BY WARMER AIR WRAPPING SOUTH INTO THE RGN...BUT THE COLD
AIR WILL EVENTUALLY WORK ITS WAY BACK INTO THE FA TONIGHT. IN
ADDITION...THERE ARE STILL SOME PLACES IN C/EC WI WHERE WCS ARE
AROUND -25...SO RATHER THAN GETTING CUTE WITH VARYING START
TIMES...WILL JUST START THE WC ADVSY NOW.

THE MOST HAZARDOUS TRAVEL CONDITIONS WILL LIKELY BE ALONG THE LKSHR
THIS EVG...AS WINDS GUST TO 35 TO 40 MPH...CAUSING CONSIDERABLE
BLOWING/DRIFTING SNOW ALONG I-43 AND HIGHWAYS 57 AND 42. RECEIVED
A REPORT ABOUT AN HOUR AGO OF SOME COUNTY ROADS BEING DRIFTED SHUT
IN MANITOWOC COUNTY. HAVENT SEEN VSBYS LOW ENOUGH TO SUPPORT
A BLIZZARD WARNING...BUT LOCAL WHITEOUTS ARE CERTAINLY POSSIBLE.

EXPECT CLOUDS AND WINDS TO DECREASE LATE TONIGHT INTO MONDAY AS
HIGH PRESSURE BUILDS INTO THE RGN. A QUIET AND SUNNY DAY ON
MONDAY WILL BE APPRECIATED BY ALL.

.LONG TERM...MONDAY NIGHT THROUGH NEXT SUNDAY. STRONG WARM
ADVECTION AHEAD OF A FRONTAL SYSTEM WILL BRING ANOTHER 2 TO 4INCHES
OF SNOW MONDAY NIGHT AND EARLY TUESDAY. MOISTURE IS NOT THAT GREAT
BUT DYNAMICS APPEAR SUFFICIENT FOR A MODERATE SNOWFALL.
CYCLOGENESIS EXPECTED OVER THE TEXAS/OKLAHOMA PANHANDLE AREA
TUESDAY EVENING. THIS LOW RACES TO THE NORTHEAST WEDNESDAY AND IS
NEAR OR EAST OF LAKE HURON BY WEDNESDAY NIGHT. THIS SYSTEM BRINGS
GULF MOISTURE WITH IT AND HAS VERY STRONG LOW LEVEL WARM ADVECTION
WITH 80 KNOT 850 MB WINDS FORECAST BY GFS AT 18Z WED. THE BIG
QUESTION IS THE TRACK. THE 12Z MODELS SUGGEST THAT IT IS A LITTLE
TOO FAR TO THE EAST FOR A BIG SNOWSTORM IN NORTHEAST WISCONSIN BUT
THE SOUTHEAST QUARTER OF OUR FORECAST AREA COULD SEE ANOTHER 2 TO
4 INCHES OF SNOW WEDNESDAY. THE JET ENERGY THAT WILL PRODUCE THIS
STORM IS OUT OVER THE DATA SPARSE PACIFIC OCEAN NOW...SO DON/T BE
SURPRISED TO SEE LARGE ADJUSTMENTS TO THE TRACK OF THE SYSTEM FOR THE
NEXT DAY OR TWO. CHRISTMAS DAY SHOULD BE RELATIVELY NICE WITH
NEAR SEASONABLE TEMPERATURES. THE NEXT SYSTEM APPROACHIGN FROM THE
SOUTHERN PLAINS FRIDAY AND FRIDAY NIGHT SHOULD BRING US A FEW
INCHES OF SNOW IN WARM ADVECTION FRIDAY AND THEN WISCONSIN IS
LARGELY IN THE WARM SECTOR WITH THE STORM PASSING OVER NORTHWEST
WISCONSIN FRIDAY NIGHT. SO IT IS POSSIBLE THAT WE WILL WARM ABOVE
FREEZING FRIDAY AFTERNOON AND EVENING BEFORE THE COLD FRONT MOVES
THROUGH SATURDAY. THE GFS SUGGEST THAT A SURFACE LOW WILL FORM
ALONG THE FRONT SATURDAY AND MOVE TO THE NORTHEAST SUNDAY AND
BRING A BIG SNOW/SLEET STORM TO OUR AREA. ECMWF HAS A MUCH WEAKER
SURFACE SYSTEM WAY TO OUR EAST. SO DID NOT MENTION ANY SNOW FOR
SUNDAY UNTIL WE GET SOME AGREEMENT BETWEEN THE MODELS.
&&

.AVIATION...VSBYS WILL BE LOCALLY REDUCED DUE TO BLOWING SNOW THIS
EVG...AND DUE TO LAKE-EFFECT SNOW SHOWERS IN NC WI. OTHERWISE...
EXPECT PATCHY MVFR CIGS TO GRADUALLY BREAK UP OVERNIGHT AS DRIER
AIR AND SUBSIDENCE MOVE INTO THE RGN. EXPECT VFR CONDITIONS ACROSS
THE ENTIRE RGN ON MONDAY.
&&

.GRB WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY UNTIL 9 AM CST MONDAY FOR WIZ010>013-018>021-
030-031-035>039-045-048-049-073-074.

WINTER WEATHER ADVISORY UNTIL 9 AM CST MONDAY FOR WIZ005-022-040-
050.

&&

KIECKBUSCH/RDM

Hazardous weather outlook, Dec 21, 4:10 PM CST, 11 hours 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 22, 11:08 AM CST	Winter Weather Advisory	GRB	Brown, Calumet, Door, Florence, Forest, Kewaunee and 16 more	28 hr
Dec 22, 3:12 PM CST	Winter Storm Watch	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Outagamie and 1 more	24 hr
Dec 22, 4:10 PM CST	Small Craft Advisory	GRB		29 hr

Nearby

Small Craft Advisories in Wisconsin, 2008 Every small craft advisory 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.