Alert archive / Wisconsin / Wind Chill Advisories in 2008

Wind Chill Advisory 1, NWS Milwaukee, WI

January 17, 200820 counties in Wisconsin

NWS Milwaukee, WI issued this wind chill advisory at Jan 17, 2008, 2:15 PM CST for 20 counties in Wisconsin. It took effect at Jan 19, 2008, 12:00 AM CST. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Jan 17, 2008, 2:15 PM CST (20:15 UTC)
In effect from: Jan 19, 2008, 12:00 AM CST
Expired: Jan 20, 2008, 12:00 PM CST
In force: 36 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 20:19 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 forecasters said that day

The local office's own words before this wind chill advisory 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 wind chill advisory went out at Jan 16, 3:26 PM CST, 22 hours 49 minutes earlier.

Area forecast discussion, Jan 16, 3:26 PM CST, 22 hours 49 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
326 PM CST WED JAN 16 2008

.DISCUSSION...FORECAST FOCUS ON WEATHER SYSTEM FOR LATE TONIGHT AND
THURSDAY...CLIPPER SYSTEM FOR FRIDAY AND FRIDAY NIGHT...AND
EXTENDED COLD BLAST OF AIR BY THE WEEKEND.

.SHORT TERM...NGM/NAM/GFS/WRF20/SREF/ECMWF HI-RES PROGS IN DECENT
AGREEMENT WITH WEATHER SYSTEM APPROACHING FROM OKLAHOMA. TRACK AND
STRENGTH OF SYSTEM FAVORS ISSUING SNOW ADVISORY FOR SOUTH CENTRAL
PORTIONS OF CWA LATE TONIGHT INTO THURSDAY. PROGS DEEPEN SYSTEM
AFTER IT PASSES NORTH OF CWA THURSDAY AFTERNOON. BUT OVERRIDING
FACTOR IS NO MOISTURE CONTRIBUTION FROM GULF OF MEXICO DUE TO
STRONG LOW ALONG GULF COAST. GOES SOUNDER DATA CAN ONLY MUSTER UP
TO 0.50 INCHES OF PRECIPITABLE WATER AND PRECIPITATION EFFICIENCIES
WITH THIS SYSTEM ARE LOW. ZEROED IN ON BEST EXPECTED SWATH OF SNOW
WITH SURFACE LOW TRACK USING SNOW RATIOS AROUND 14:1 TO GIVE
SNOWFALL TOTALS UP TO 5 INCHES OVER SOUTH CENTRAL PORTIONS AND
LESS TO SOUTHEAST.

.LONG TERM...ATTENTION TURNS TO CLIPPER SYSTEM FOR FRIDAY AND
EARLY FRIDAY NIGHT. ISENTROP MOISTURE ONLY AROUND 1 G/KG BUT
NAM/GFS/ECMWF NOW SHOWING A SLIGHTLY STRONGER SYSTEM THAN IN
PREVIOUS PROG RUNS. WITH SLIGHTLY COLDER AIR EXPECTED WITH SYSTEM
SNOW RATIOS OF AROUND 20:1 EXPECTED TO SQUEEZE OUT AN INCH OF SNOW
WITH A LITTLE HIGHER TOTALS POSSIBLE IN THE EAST AS PROGS BEGIN TO
WRAP UP SYSTEM.

.LONG LONG TERM...VERY COLD SURGE OF AIR WILL FOLLOW CLOSE ON
HEELS OF FRIDAY CLIPPER. GFS/ECMWF PROGS MAINTAIN THIS COLD AIR
WELL INTO NEXT WEEK...WITH BITTER WIND CHILLS BEGINNING FRIDAY
NIGHT. EXPECT SEVERAL MINOR DISTURBANCES IN ESTABLISHED NORTHWEST
FLOW BUT TIMING TOUGH AND MOISTURE LIMITED SO WILL KEEP ANY SNOW
CHANCES LOW.

&&

.AVIATION...VFR CONDITIONS EXPECTED INTO THE EVENING WITH A STEADY
SOUTH BREEZE. LOW PRES TROUGH APPCHS TNGT AND MVFR CIGS ALREADY
GATHERING ACRS IA. THIS LOWERING TREND EXPECTED ACRS SRN WI AS LLVL
RH PROGS SHOW GRADUAL MOISTENING IN THE LOWER LAYERS FROM WEST TO
EAST. MAIN SNOW BAND TO AFFECT MSN AREA LATER TNGT AND THEN SPREAD
INTO KMKE ON THU MRNG. BROUGHT VSBYS/CIGS TO LIFR LEVELS IN KMSN
WHERE BETTER FORCING AND RESULTANT HEAVIER SNOW EXPECTED.

&&

.MARINE...LOTS TO CONSIDER HERE WITH INITIAL SOUTHERLY WIND FLOW
CREATING SCA CONDITIONS. THEN WITH NEXT LOW PASSING NE OF HERE THU
AFTN AND EVE...WILL HAVE A RETURN OF SCA CONDS WITH THE FREEZING
SPRAY ADVISORY. THEN FRI NGT AND SAT WILL BE THE POTENTIALLY BIGGER
CONCERN AS GRADIENT REALLY TIGHTENS UP AFTER THE PASSAGE OF THE NEXT
LOW WITH AIR TEMPS AND WIND CONDITIONS EXPECTED TO LEAD US INTO A
HEAVY FREEZING SPRAY WARNING SETUP. WILL GO AHEAD AND HOIST A WATCH
FOR THAT TIME FRAME. BORDERLINE GALE CONDITIONS. BUFKIT SOUNDINGS DO
NOT SUPPORT STRONG ENUF WINDS TO MIX DOWN TO REACH CRITERIA THOUGH
CONFIDENCE HIGH IN SCA CONDITIONS...SO WILL GO WITH SCA FOR FRI NGT
INTO SAT NGT.

&&

.MKX WATCHES/WARNINGS/ADVISORIES...
WI...SNOW ADVISORY FROM MIDNIGHT TONIGHT TO 6 PM CST THURSDAY FOR
     WIZ046-047-056-057-062-063-067-068.

LM...SMALL CRAFT ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR LMZ643>646.

     SMALL CRAFT ADVISORY FROM 6 PM THURSDAY TO 9 AM CST FRIDAY FOR
     LMZ643>646.

     SMALL CRAFT ADVISORY FROM MIDNIGHT FRIDAY NIGHT TO 12 PM CST
     SUNDAY FOR LMZ643>646.

     HEAVY FREEZING SPRAY WATCH FROM LATE FRIDAY NIGHT THROUGH
     SATURDAY EVENING FOR LMZ643>646.

     FREEZING SPRAY ADVISORY FROM 6 PM THURSDAY TO 9 AM CST FRIDAY
     FOR LMZ643>646.

&&

SHORT/LONG TERM...17
AVIATION/MARINE...10

Hazardous weather outlook, Jan 16, 5:30 PM CST, 20 hours 45 minutes before

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Nearby

Wind Chill Advisories in Wisconsin, 2008 Every wind chill 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; radar from the NEXRAD Level II archive.