Alert archive / Wisconsin / Small Craft Advisories in 2008

Small Craft Advisory 80, NWS Milwaukee, WI

October 24, 2008

NWS Milwaukee, WI issued this small craft advisory at Oct 24, 2008, 3:34 PM CDT. It took effect at Oct 25, 2008, 1:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Oct 24, 2008, 3:34 PM CDT (20:34 UTC)
In effect from: Oct 25, 2008, 1:00 PM CDT
Expired: Oct 26, 2008, 3:37 AM CDT
In force: 15 hr
Issued by: NWS Milwaukee, 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 Milwaukee, WI wrote its last area forecast discussion before this small craft advisory went out at Oct 24, 3:34 PM CDT, 0 minutes earlier.

Area forecast discussion, Oct 24, 3:34 PM CDT, 0 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
334 PM CDT FRI OCT 24 2008

.SHORT TERM...

UPPER LOW OVER IOWA MOVES NORTHEAST ACROSS NORTHERN
ILLINOIS/WISCONSIN BORDER AREA LATE TONIGHT. SOUTHEAST WISCONSIN
IN THE GOOD CYCLONIC SHEAR ZONE AS SECONDARY VORT MAX PUSHES
TOWARD S LAKE MICHIGAN AREA. MID LEVEL OMEGA BECOMES
STRONG...ESPECIALLY IN THE MID LEVELS. AS A RESULT PRECIP WILL
AGAIN PUSH INTO THE FORECAST AREA...ESPECIALLY SOUTHEAST. EXPECT
MODERATE PRECIP...WITH SOME HEAVIER PRECIPITATION POSSIBILITIES.
HAVE RAISED QPF VALUES UP A BIT.

ON SATURDAY UPPER LOW EJECTS DUE TO APPROACH OF STRONG UPSTREAM JET
MAX. AS UPPER TROUGH EXITS EARLY SATURDAY MORNING PRECIPITATION
WILL END.

SOME CONCERN ON A BAND OF SHOWERS WITH WARM AIR ADVECTION BUT MID
LEVEL SATURATION IS RATHER SHALLOW AND ENOUGH DRY AIR IN LOW
LEVELS TO KEEP MAINLY A VIRGA SITUATION.

RATHER STRONG SHORTWAVE ASSOCIATED WITH STRONG UPPER JET MOVES
ACROSS THE FORECAST AREA SUNDAY AFTERNOON/EARLY EVENING.
WITH STRONGEST COLD AIR ADVECTION IN THE MID LEVELS INITIALLY...STEEP
LOW LEVEL LAPSE RATES AND COLD AIR ADVECTION SHOULD COMBINE TO MIX
DOWN NEARLY 40 KNOT WIND GUSTS AT TIMES...WITH SUSTAINED WEST TO
NORTHWEST WINDS IN THE 18 TO 26 KNOT RANGE. THE 26 KNOT SUSTAINED
WINDS AND THE 40 KNOT GUST VALUES WOULD REACH WIND ADVISORY
CRITERIA. WILL JUST MENTION IN THE HAZARDOUS WEATHER OUTLOOK FOR
NOW...BUT EXPECT WINDS ADVISORIES TO BE NEEDED. STEEP LAPSE RATES
WITH BOUNDARY LAYER WARM ENOUGH FOR RAIN...ALTHOUGH THICKNESS AND
850 MB TEMPS COLD ENOUGH FOR SNOW. NAM AND GFS SOUNDINGS ARE
DRY...WITH ONLY A SHALLOW SATURATION NEAR 5 THSD FT. DO NOT
EXPECT ANY MEASURABLE QPF. SOME FLURRY POTENTIAL SUNDAY NIGHT AS
UPPER TROUGH CARVES OVER THE GREAT LAKES REGION AND RH INCREASES.

.LONG TERM...

COLD UPPER TROUGH OVER THE GREAT LAKES MONDAY...WITH NORTHWEST
FLOW ON BACK SIDE OF TROUGH INTO WEDNESDAY.

A BIT MORE OF A DRY ZONAL FLOW WEDNESDAY NIGHT THROUGH EARLY
FRIDAY.

&&

.AVIATION...

.AVIATION...UPPER LOW OVER CENTRAL IA WILL DRIFT EWD ACROSS FAR NRN
IL TNT AND MOVE EAST OF THE REGION ON SUN. NUMEROUS SHOWERS
CURRENTLY OVER ERN IA WILL BECOME MORE WIDESPREAD AND INTENSIFY
AS IT MOVES INTO SRN WI THIS EVENING. RAINFALL WILL END BTWN
09Z AND 13Z SAT FROM WEST TO EAST ACROSS SRN WI. AREAS OF MVFR CIGS
THIS AFTERNOON WILL TRANSITION TO WIDESPREAD MVFR AND AREAS OF LIFR
CIGS ONCE THE RAIN BEGINS. WIDESPREAD MVFR VSBYS AND AREAS OF IFR
VSBYS ARE ALSO EXPECTED WITH THE MODERATE RAINFALL. ON SAT THE LOW
CIGS AND VSBYS IN THE AM WILL TRANSITION TO VFR CONDITIONS DURING THE
AFTERNOON.

&&

.MARINE...A SCA HAS BEEN ISSUED FROM 20Z SAT UNTIL 12Z SUN. A GALE
WARNING IS IN EFFECT FROM 12Z SUN THROUGH 18Z MON.

A LARGE AND STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS SRN CANADA
THIS WEEKEND AND INTO EARLY NEXT WEEK. A STRONG PRESSURE GRADIENT
WILL DEVELOP BEGINNING ON SATURDAY AND NOT SUBSIDE UNTIL LATE ON
MON. COLD AIR FLOWING OVER THE RELATIVELY WARM WATERS OF LAKE MI
WILL CERTAINLY CONTRIBUTE TO VERY GUSTY WINDS. GUSTY SWLY WINDS WILL
DEVELOP OVER THE LAKE SAT AFT AND BECOME GALE FORCE ON SUN WITH THE
PASSAGE OF A STRONG COLD FRONT. THE GALES WILL SUBSIDE BY MON
AFTERNOON. HIGH WAVES WILL BE GENERATED OVER THE NEARSHORE WATERS
SUNDAY AND MONDAY. MUCH WEAKER WINDS AND WAVES ARE EXPECTED BY TUE
AS HIGH PRESSURE APPROACHES.

&&

.MKX WATCHES/WARNINGS/ADVISORIES...
WI...NONE.
LM...GALE WATCH FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON FOR
     LMZ643>646.

&&

SHORT/LONG TERM...06/HENTZ
AVIATION/MARINE...20/GEHRING

Hazardous weather outlook, Oct 24, 2:28 PM CDT, 1 hour 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 24, 3:53 AM CDT	Gale Watch	MKX		24 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.