Area Forecast Discussion
Issued by NWS Paducah, KY

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FXUS63 KPAH 282347

647 PM CDT Sun Sep 28 2014

Issued at 647 PM CDT SUN SEP 28 2014

The AVIATION section has been updated for the 00Z TAF issuance.


.SHORT TERM...(Tonight through Tuesday night)
Issued at 204 PM CDT SUN SEP 28 2014

High forecast confidence within this short5 term period.

High pressure will build back into the region early in the week
resulting in warm, sunny afternoons and clear, cool nights Monday
through Wednesday. Only forecast issue we can see at this point is
the degree of fog formation late at night. Will go with at least
patchy fog tonight/early Monday to help cover for this concern.
Will also use a MOS blend for max/min temp forecast.

.LONG TERM...(Wednesday through Sunday)
Issued at 202 PM CDT SUN SEP 28 2014

There is high confidence on a front coming through mid to late week.
However the exact timing and precip amounts have lower
confidence...especially considering the last few fropa`s that the
models indicated significant rain produced little to none as the
event neared.

The models continue to speed the system up with the 12z Sunday GFS
leading the pack as usual. I did speed up the arrival time by about
6 hours as well as the departure Friday morning. I did not go as
fast as the GFS but leaned that direction minus about 6 hours. Will
wait for the 12z Sunday ECMWF to make final call closer to press
time. I did enhance winds with this system a few knots above what
the superblend yielded. As previous forecaster did not introduce
diurnal chance Wednesday afternoon. However will monitor model
trends in case the slight capping in forecast soundings erodes.

Otherwise models continue to show a significant cool down in the
systems wake. This should take to or below normals for this time of


Issued at 647 PM CDT SUN SEP 28 2014

The isolated showers over portions of west Kentucky and southeast
Missouri will dissipate shortly with sunset. KCGI and KPAH will
see strong radiational cooling and subsequent fog development.
Based this forecast on local tendencies in the last few days. Look
for VLIFR conditions at KCGI, and more patchy ground fog at KPAH,
with prevailing MVFR conditions. Elsewhere, some cu may linger
through much of the night, and fog is not expected.

A light north wind will mix down at all terminals through the day
Monday, and just a few cu will be possible.




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