River Flood Advisory 113, NWS Nashville, TN

Area Forecast Discussion
National Weather Service Nashville TN
336 PM CDT Sun Apr 12 2020

.UPDATE...
FOR EVENING DISCUSSION.

&&

.DISCUSSION...

Updated suite of forecast products to mention Tornado Watch Number
109 for Wayne, Lawrence, and Giles Counties until 10 PM CDT.
Tweaked hourly temperature, dewpoint, and wind speed/direction
grids. Remainder of forecast continues to be on track.

&&

.AVIATION...
18Z TAF DISCUSSION.

Degraded conditions will continue all sites well into Monday as a
very deep SFC low passes just west. CIGs/VSBYs expected to bounce
around but remain quite low. Additionally, winds are expected to
become very strong and gusty, especially overnight. Conditions
will improve after 15z Monday most sites.

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
Flash Flood Watch through Monday morning for Cannon-Coffee-
Cumberland-De Kalb-Fentress-Grundy-Overton-Pickett-Putnam-Van
Buren-Warren-White.

Wind Advisory until 7 AM CDT Monday for Bedford-Cannon-Cheatham-
Clay-Coffee-Cumberland-Davidson-De Kalb-Dickson-Fentress-Giles-
Grundy-Hickman-Houston-Humphreys-Jackson-Lawrence-Lewis-Macon-
Marshall-Maury-Montgomery-Overton-Perry-Pickett-Putnam-Robertson-
Rutherford-Smith-Stewart-Sumner-Trousdale-Van Buren-Warren-Wayne-
White-Williamson-Wilson.

Flash Flood Watch until 1 AM CDT Monday for Bedford-Cheatham-
Clay-Davidson-Dickson-Giles-Hickman-Houston-Humphreys-Jackson-
Lawrence-Lewis-Macon-Marshall-Maury-Montgomery-Perry-Robertson-
Rutherford-Smith-Stewart-Sumner-Trousdale-Wayne-Williamson-
Wilson.

&&

DISCUSSION......JB Wright
AVIATION........07

Hazardous Weather Outlook
National Weather Service Nashville TN
445 AM CDT Sun Apr 12 2020

TNZ005>011-023>034-056>066-075-077>080-093>095-131000-
Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston-
Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-Jackson-
Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson-Maury-
Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-Coffee-
Warren-Grundy-Van Buren-Wayne-Lawrence-Giles-
445 AM CDT Sun Apr 12 2020

This Hazardous Weather Outlook is for portions of Middle Tennessee.

.DAY ONE...Today and Tonight.

Severe thunderstorms with damaging winds of 60-75mph, large hail,
and a few tornadoes can be expected this afternoon and evening across
Middle Tennessee. Also, heavy rainfall with localized flash flooding
may occur especially across southern and eastern Middle Tennessee.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Frost and a late spring freeze will be possible Wednesday and
Thursday mornings.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed today and tonight. Please relay
any information about observed severe weather to the NWS while
following all local, state, and CDC guidelines.

Hurley

Special Weather Statement
National Weather Service Nashville TN
434 PM CDT Sun Apr 12 2020

TNZ025>027-057-059>062-122215-
Hickman TN-Rutherford TN-Williamson TN-Dickson TN-Davidson TN-
Maury TN-Cheatham TN-Marshall TN-
434 PM CDT Sun Apr 12 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN DAVIDSON...SOUTHEASTERN
DICKSON...NORTHEASTERN MARSHALL...WEST CENTRAL RUTHERFORD...MAURY...
WILLIAMSON...SOUTH CENTRAL CHEATHAM AND EASTERN HICKMAN COUNTIES
UNTIL 515 PM CDT...

At 434 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Burns to near Hohenwald. Movement was
northeast at 65 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Franklin, Columbia, Brentwood, Spring Hill, Nolensville, Forest
Hills, Mount Pleasant, Oak Hill, White Bluff, Belle Meade, Kingston
Springs, Thompson's Station, Pegram, Burns, Fairview, Bellevue,
Antioch, Chapel Hill, Eagleville and Berry Hill.

This includes the following highways...
 Interstate 40 between mile markers 174 and 202, and between mile
markers 209 and 220.
 Interstate 65 between mile markers 41 and 82.
 Interstate 24 between mile markers 52 and 63.
 Interstate 840 between mile markers 1 and 43.

LAT...LON 3561 8665 3551 8728 3555 8729 3555 8731
      3591 8736 3610 8729 3618 8660
TIME...MOT...LOC 2134Z 246DEG 57KT 3602 8733 3554 8746

Schaper

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