Area Forecast Discussion
Issued by NWS La Crosse, WI

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FXUS63 KARX 231047
AFDARX

Area Forecast Discussion
National Weather Service La Crosse WI
547 AM CDT Mon Apr 23 2018

.SHORT TERM...(Today and tonight)
Issued at 215 AM CDT Mon Apr 23 2018

Quiet weather continues early this week with high pressure ridging
resulting in generally clear skies and light winds today and
tonight. 925 mb temps do continue to climb a few degrees today
relative to yesterday into the 12-13C range by late this afternoon.
As a result, highs will inch upwards with widespread 60s and some
low 70s possible, especially in valley locations.

.LONG TERM...(Tuesday through Sunday)
Issued at 215 AM CDT Mon Apr 23 2018

Models continue to show a lack of phasing on Tuesday between a
shortwave trough approaching the northern Great Lakes and another
upper trough over the central plains. This leaves our area in
between systems. Overall, with a lack of strong deep, lift, precip
chances look to be on the low side, although at least the GFS and to
some extent the Canadian/ECMWF show potential for a few showers
Tuesday afternoon or evening over parts of the area. Have kept low
precip chances confined to central Wisconsin Tue afternoon at this
point closer to the northern upper wave. Temps will remain mild on
Tuesday with highs in the 60s in most areas.

After a quiet period Wednesday under high pressure, another upper
trough and weak surface cold front approach on Thursday. The 23.00Z
ECMWF/GFS show an elongated positively tilted trough with just some
light rain possible along the frontal passage Thursday afternoon and
night. Amounts/impacts from this system look minimal at this point.
It should to be a progressive system with dry weather returning for
Friday into the weekend along with seasonable temps persisting as
mid-level ridging begins to build in from the west.

&&

.AVIATION...(For the 12Z TAFS through 12Z Tuesday morning)
Issued at 547 AM CDT Mon Apr 23 2018

Quiet VFR conditions to continue through tonight. High pressure
extending from southern Minnesota across Wisconsin into the Great
Lakes will remain over the region. Winds will remain light out of
the east with only some occasional high thin clouds.

&&

.HYDROLOGY...
Issued at 215 AM CDT Mon Apr 23 2018

A flood warning remains in effect for the Trempealeau River at
Dodge with river levels expected to rise to near minor flood
stage early this week. See the latest flood statement for more
information.

As the recent snow melts and runs off into area streams,
additional flooding will be possible, including parts of the
Mississippi River, with additional details in the latest
hydrologic statement.

&&

.ARX WATCHES/WARNINGS/ADVISORIES...
WI...None.
MN...None.
IA...None.
&&

$$

SHORT TERM...JM
LONG TERM...JM
AVIATION...04
HYDROLOGY...JM



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