Area Forecast Discussion
Issued by NWS Milwaukee/Sullivan, WI

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FXUS63 KMKX 141934

Area Forecast Discussion
National Weather Service Milwaukee/Sullivan WI
234 PM CDT Wed Mar 14 2018


Tonight through Friday...Forecast confidence is high.

A few shortwave troughs will continue to dive sewd from Canada to
Lower MI through Thu. The first upper wave will aid in the passage
of a cold front late this afternoon into the early evening. A nly
sfc flow will take hold into Thu with a Canadian sfc ridge
building into the wrn Great Lakes through Fri. Plenty of sunshine
expected although a lake breeze will develop by late morning or
early afternoon on Thu, with a weaker but prevailing ely flow for
Fri. Temps will be near normal, but slightly cooler over far ern


Friday night through Wednesday...Forecast confidence is medium.

A negative tilt shortwave trough will induce rapid cyclogenesis
over ern CO Thu afternoon with occlusion quickly taking place. The
weakening low will then track across the Lower MO River Valley
through the Ohio River Valley for Fri-Sat. Only small chances of
rain and snow spreading north into srn WI for Fri nt, although
higher chances in far sw WI. High pressure to then settle over WI
late Sat into Sun. Near 50F on Sun away from Lake MI.

A 120 kt westerly jet streak and associated upper trough will then
track across the central portion of the country for Mon-Wed. Srn
WI may be on the nrn fringes of this system with chances of light
rain and snow forecast.


.AVIATION(21Z TAFS)...VFR conditions this afternoon through Thu.
Gusty swly winds this afternoon will veer nwly late this afternoon
and early evening with the passage of a cold front. Few-sct035-040
stratocumulus may develop late tonight and last through Thu AM
especially toward central and far ern WI.


.MARINE...A Small Craft Advisory is in effect this afternoon and
evening as gusty wly winds develop and then shift nnwly this
evening with the passage of a cold front.

Another Small Craft Advisory may be needed Thursday night due to
brisk nly winds and building waves. The high waves may linger into


LM...Small Craft Advisory until 1 AM CDT Thursday for LMZ643>646.



Tonight/Thursday and Aviation/Marine...Gehring
Thursday Night through Wednesday...Gehring is the U.S. government's official web portal to all federal, state and local government web resources and services.