Area Forecast Discussion
Issued by NWS Louisville, KY

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FXUS63 KLMK 201126

Area Forecast Discussion
National Weather Service Louisville KY
626 AM EST Mon Nov 20 2017

...Updated Aviation Discussion...

.Short Term...(Today through Tuesday)
Issued at 253 AM EST Mon Nov 20 2017

High pressure centered near Nashville this morning will advance to
the Carolina coast by this evening and then off the coast tonight.
This will result in a southerly breeze today and tonight. This in
addition to a good amount of sunshine filtered through patchy,
mostly thin, cirrus will allow temperatures to peak around 50
degrees this afternoon after a chilly start to the day. Tonight most
spots should remain just above freezing with the exception of the
usual sheltered cool spots.

On Tuesday low pressure near James Bay will pull a trailing cold
front into the Ohio Valley by evening. It still looks like
precipitation associated with this front will remain just to our
northeast. Clouds will increase by late in the day over southern
Indiana and the Blue Grass, still. High temperatures will be in the

.Long Term...(Tuesday night through Sunday)
Issued at 304 AM EST Mon Nov 20 2017

The cold front stretched out along the Ohio River at the end of the
short term will proceed into the Appalachians at the start of the
long term. A stray sprinkle isn`t entirely out of the question in
the northern Blue Grass Tuesday evening, but most of the
precipitation will be to our northeast.

Canadian high pressure will then cross the central and eastern
United States Wednesday through Friday, giving us dry and cool
weather for the holiday.

Friday night and Saturday morning a weakening cold front will push
through Indiana and Kentucky, but once again precipitation
associated with it should stay to our northeast.

Saturday night and Sunday another Canadian high will dive into the


.Aviation...(12Z TAF Issuance)
Issued at 625 AM EST Mon Nov 20 2017

High pressure will slide eastward across Tennessee today. Winds will
be out of the south and increase to 7-10 knots by mid day. HNB could
see some gusts this afternoon. Wind speeds will decrease for a
period this evening, then begin to increase again overnight as the
pressure gradient tightens ahead of a cold front moving through on
Tuesday. Skies will be mostly clear through this TAF period with
only some cirrus streaming overhead.




Short Term...13
Long Term...13
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