Area Forecast Discussion
Issued by NWS Milwaukee/Sullivan, WI

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000
FXUS63 KMKX 140230
AFDMKX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
930 PM CDT WED AUG 13 2014

.UPDATE...LOWERED OVERNIGHT TEMPS SEVERAL DEGREES AWAY FROM LAKE
MICHIGAN AS COOLER 925H TEMPS BTWN 10 AND 15C SETTLE INTO SRN WI.
COOLDOWN WILL BE TEMPERED BY INCREASING BOUNDARY LAYER MIXING AND
BRIEF PERIOD OF CIRRUS HEADING TOWARD SRN WI FROM THE NORTHWEST.

MAIN CONCERN IS FOG TONIGHT DUE TO LIGHTER SFC WNDS. SFC DEWPTS
STOPPED FALLING SHORTLY AFTER SUNSET. MAY BE SOME PATCHY LATE
NIGHT FOG BUT WL ONCE AGAIN COUNT ON INCREASING BOUNDARY LAYER
MIXING AND DRIER AIR JUST OFF SURFACE TO PREVENT MORE WIDESPREAD
FOG. HENCE WL HOLD OFF ON INTRODUCING TO FORECAST ATTM.

&&

.AVIATION/06Z TAFS/...MAY INTRODUCE SOME LIGHT FOG AT KENW AS
OVERNIGHT TEMPS EXPECTED TO FALL WELL BELOW CROSS OVER TEMP.
HOWEVER INFLUX OF DRIER AIR JUST ABOVE SURFACE AND INCREASING
BOUNDARY LAYER MIXING SHOULD PREVENT WIDESPREAD FOG ACROSS THE
AREA. VFR CONDITIONS EXPCD FOR THE PERIOD.

&&

.MARINE...NEAR SHORE WINDS BEGINNING TO INCREASE FROM THE
NORTHEAST AT SGNW3 AS COOLER AIR SAGS SOUTHWARD ACROSS LAKE
MICHIGAN. MAY BE A FEW GUSTS TO 20 KTS. THE WINDS WILL SETTLE DOWN
LATE TONIGHT AND THU MRNG ALLOWING WAVE HEIGHTS TO SUBSIDE.

&&

.BEACHES...AS MENTIONED IN EARLIER AFD...EXPECT A PERIOD OF
MODERATE SWIM RISK DURING THE OVERNIGHT AS NORTH TO NORTHEAST
WINDS INCREASE TO 10 TO 15 KNOTS FOR A PERIOD AT THE LAKESHORE
WHICH WILL CAUSE WAVE HEIGHTS TO INCREASE TO 2 TO 4 FEET.
INCREASING WINDS DUE TO COOLER...MORE UNSTABLE CONDITIONS DROPPING
SOUTH OVER LAKE MICHIGAN.


&&

.MKX WATCHES/WARNINGS/ADVISORIES...
WI...NONE.
LM...NONE.
&&

$$

UPDATE...MBK



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