Special Weather Statement, NWS Jackson, KY

AREA FORECAST DISCUSSION
National Weather Service Jackson KY
911 PM EDT Wed Apr 5 2017

.MESOSCALE DISCUSSION...
Issued at 910 PM EDT WED APR 5 2017

Current conditions across eastern Kentucky feature the line of
storms that entered the counties along and north of the Mountain
Parkway have organized and are currently increasing in speed as
they shift more easterly now. A semi discrete cell crossed into
Montgomery County has now merge with the line and now pose a more
of a wind threat. Thus have extended the Tornado Watch further
east to account for the organization of the line. Some additional
development continues to the south entering the I-75 corridor
posing some marginally severe potential but overall, instability
is on the wane as the watch will only continue for another hour.
Will continue to monitor as the event heads into the later evening
to determine if the watch needs to be extended but this will now
seem to depend upon further organization to the south.

&&

.UPDATE...
Issued at 622 PM EDT WED APR 5 2017

So far the isolated storms that have affected the western part of
our forecast area have remained below severe limits. However,
severe storms from Burkesville KY north to near Cincinnati OH are
moving northeast and will begin to affect our southwest counties
around 7 PM. SPC tornado climatology shows that our southwest
counties were well within the range of all severe weather
parameters except LCL, which was too high. However the earlier
showers there may have helped lower the LCL, so the tornado threat
will need to be monitored as storms move into the Lake Cumberland
area.

&&

.SHORT TERM...(This evening through Thursday night)
Issued at 358 PM EDT WED APR 5 2017

While dewpoints remain in the 40s across the eastern part of the
forecast area, low level moisture is surging north into central KY
and as far east as the Lake Cumberland area. The dewpoint is up
to 59 at Monticello and 58 at the McCreary County Mesonet site.
The higher dewpoints line up well with the tornado watch that was
just issued by SPC. Storms are beginning to develop across western
and central KY and storms are expected to move into the forecast
area after 6 PM this evening. Current timing indicates the
greatest severe threat will exist from 6 PM to midnight. Storms
should evolve into a broken line with embedded supercells as they
move east into and across the forecast area this evening.

Low pressure near Evansville IN will deepen as it moves northeast
tonight, and the cold front which has just moved into western KY
will surge east across the forecast area tonight. Once the
thunderstorms there will be a lull, then showers will spread back
across the area later tonight as wrap around moisture surges into
the area as low pressure moves northeast. Thursday will be
windy with temperatures near steady in the 40s or falling through
the 40s. Wind gusts on Thursday will be 25 to 35 with a few
isolated higher gusts. In elevations above 3K feet snow showers
are expected by Thursday afternoon.

Colder air will continue to pour into the area Thursday night,
with rain showers and snow showers continuing. Lows Thursday night
will be above freezing expect for the higher terrain near the VA
border. As such snow accumulation is not expected except in the
higher terrain. Black Mountain may see a couple of inches of snow
Thursday night.

.LONG TERM...(Friday through Wednesday)
Issued at 358 PM EDT WED APR 5 2017

Surface high pressure will build into the area for the end of the
week, and with clearing skies a freeze will be possible Friday
night. As the high shifts east, temperatures will not be as cold
Saturday night, but frost will still be possible in colder valley
location Saturday night. With the high shifting off the eastern
seaboard on Sunday, and upper level ridging building into the area
we will see a warming trend which will last into the first part of
the coming week. An upper level short wave trough and associated
surface low will move from the plains into the Great Lakes on
Tuesday with a cold front moving across our area. This will bring
a chance of showers and thunderstorms, with slightly cooler air
following for mid week.

&&

.AVIATION...(For the 00Z TAFS through 00Z Thursday evening)
ISSUED AT 738 PM EDT WED APR 5 2017

A broken line of thunderstorms will move across the area this
evening. Some of the storms may be severe, mainly in the northwest
part of the forecast area. It is uncertain whether SME and LOZ
will be affected by storms so will go with VCTS there for now, and
carry a 2 hour window of storms at the other TAF sites. The storms
should move east of the forecast area around 05Z.

A cold front pushing east across the area will bring the
thunderstorms this evening.The front will push east of the area
tonight and gusty south winds will shift to the southwest tonight and
then to the west on Thursday. West winds on Thursday will gust to
25 to 30 knots. Outside of thunderstorms VFR conditions will
prevail this evening, but low cloud will move into the area behind
the front with IFR to MVFR ceilings prevailing on Thursday. There
will also be showers on Thursday, with some snow in the highest
elevations of far southeast KY.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

MESOSCALE...SHALLENBERGER
UPDATE...SBH
SHORT TERM...SBH
LONG TERM...SBH
AVIATION...SBH

Hazardous Weather Outlook
National Weather Service Jackson KY
855 PM EDT Wed Apr 5 2017

KYZ044-050>052-058>060-068-069-079-080-083>085-104-106-070400-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Elliott-Morgan-
Including the cities of Flemingsburg, Camargo, Jeffersonville,
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna,
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee,
Annville, Burnside, Somerset, London, Monticello, Stearns,
Whitley City, Corbin, Williamsburg, Sandy Hook, and West Liberty
855 PM EDT Wed Apr 5 2017

...TORNADO WATCH 127 IN EFFECT UNTIL 10 PM EDT THIS EVENING...

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Tonight.

Thunderstorms will continue this evening. Some storms will still
be severe. Large hail, damaging winds and a few tornadoes are
possible. Additionally, locally heavy rainfall may occur, with
minor flooding of low lying areas possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

West winds may gust from 30 to 35 mph on Thursday.

Some light snow will be possible for the higher elevations of
southeast Kentucky Thursday through Friday.

Subfreezing temperatures are possible in many locations Friday
night, with frost possible in some valley locations Saturday
night.

Thunderstorms will be possible on Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon into this
evening.

KYZ086>088-107>120-070400-
Knox-Bell-Harlan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Barbourville, Middlesboro, Pineville,
Cumberland, Harlan, Paintsville, Campton, Salyersville,
Prestonsburg, Wheelwright, Beattyville, Jackson, Hindman,
Pippa Passes, Booneville, Hazard, Manchester, Hyden, Jenkins,
Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville,
and South Williamson
855 PM EDT Wed Apr 5 2017

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Tonight.

Thunderstorms will continue this evening. Some storms may be
severe. The main threats will be large hail and damaging winds. An
isolated tornado is also possible. Additionally, locally heavy
rainfall may occur, with minor flooding of low lying areas
possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

West winds may gust from 30 to 35 mph on Thursday.

Some light snow will be possible for the higher elevations of
southeast Kentucky Thursday through Friday. An inch or two of snow
may accumulate in elevations above 3000 feet.

Subfreezing temperatures are possible in many locations Friday
night, with frost possible in some valley locations Saturday
night.

Thunderstorms will be possible on Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon into this
evening.

SBH/SHALLENBERGER

Special Weather Statement
National Weather Service JACKSON KY
921 PM EDT WED APR 5 2017

KYZ050-058-059-111-060145-
Montgomery-Lee-Estill-Powell-
921 PM EDT WED APR 5 2017

...A STRONG THUNDERSTORM WILL AFFECT POWELL...SOUTHEASTERN
MONTGOMERY...ESTILL...SOUTHWESTERN MENIFEE...NORTH CENTRAL LEE AND
WESTERN WOLFE COUNTIES...

At 920 PM EDT, a strong thunderstorm was located over Blackburn, or 8
miles southwest of Irvine, moving northeast at 55 mph.

Winds in excess of 30 mph and dime size hail are possible with this
storm.

Locations impacted include...
Stanton, Irvine, Jeffersonville, Clay City, Ravenna, Pilot, Bowen,
Rice Station, Kings Station, Calloway Crossing, Wiseman Crossing
Station, Winston, Patsey, Wisemantown, Vaughns Mill, Hardwick,
Weedon, Natural Bridge S.p., Knowlton and Haystack.

LAT...LON 3790 8376 3786 8368 3783 8366 3782 8363
      3772 8371 3771 8370 3759 8408 3765 8411
      3767 8409 3768 8410 3773 8409 3795 8378
TIME...MOT...LOC 0120Z 237DEG 47KT 3764 8411

RAY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
922 PM EDT WED APR 05 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0848 PM     TSTM WND DMG     1 W SALT LICK           38.12N 83.63W
04/05/2017                   BATH               KY   911 CALL CENTER

            TREES DOWN ON HIGHWAY 60. POWER LINES DOWN IN SALT LICK
            AND OLYMPIA SPRINGS.

&&

DSTAMPER

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