Area Forecast Discussion
Issued by NWS Jackson, KY

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FXUS63 KJKL 191939
AFDJKL

AREA FORECAST DISCUSSION
National Weather Service Jackson KY
339 PM EDT Thu Apr 19 2018

.SHORT TERM...(This evening through Friday night)
Issued at 339 PM EDT THU APR 19 2018

Available shortly...

.LONG TERM...(Saturday through Thursday)
Issued at 339 PM EDT THU APR 19 2018

The period will begin with upper level ridging maximized across
the Tennessee and Ohio Valleys. This along with a surface high
will keep the region dry for Saturday into Saturday night. A
southern stream upper level low will slowly progress eastward into
the Lower Mississippi River Valley by Sunday and diffluence aloft
will help bring increased chances of rain to the Cumberland Valley
region by Sunday evening and night. Also, thought the blended
guidance seemed reasonable bringing some likely POPs into the far
south and based on the divergence aloft this would be most likely
to occur early in the day on Monday. This upper level low will
keep the weather unsettled as it rotates across the Ohio and
Tennessee Valleys into early next week. After this, the models
begin to diverge in solutions as they struggle with phasing of the
northern and southern streams. Given this could not justify
leaning away form the blended guidance for the later part of the
forecast.

&&

.AVIATION...(For the 18Z TAFS through 18Z Friday afternoon)
ISSUED AT 214 PM EDT THU APR 19 2018

Ceilings will raise to VFR at all locations through 19 or 20z,
with clouds scattering out this evening, as high pressure builds
in from the northwest. Northwest winds around 10 kts, with
occasional gusts of 15 to 20 kts will diminish by dusk, with
winds averaging 5 kts or less through the rest of the period.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
Freeze Warning from 1 AM to 10 AM EDT Friday for KYZ044-050>052-
058>060-068-069-080-086>088-104-106>120.

Frost Advisory from 1 AM to 10 AM EDT Friday for KYZ079-083>085.

&&

$$

SHORT TERM...GEOGERIAN
LONG TERM...DJ
AVIATION...GEOGERIAN



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