Severe Thunderstorm Warning 187, NWS Nashville, TN

Area Forecast Discussion
National Weather Service Nashville TN
146 PM CDT Thu Jul 20 2023

...New SHORT TERM, LONG TERM...

.SHORT TERM...
(This afternoon through Friday Night)
Issued at 134 PM CDT Thu Jul 20 2023

A cluster of severe storms is currently racing across Middle
Tennessee, producing widespread wind damage and power outages,
while we're also experiencing an ongoing flooding threat.
Fortunately, once these storms exit the mid state, it will bring
an end to the worst of the days-long storms and heavy rain we have
experienced this week. Lesser storm chances will continue tonight
and tomorrow before ending altogether tomorrow night as a surface
boundary dips south of the region.

&&

.LONG TERM...
(Saturday through next Thursday)
Issued at 134 PM CDT Thu Jul 20 2023

Drier, cooler air will finally settle over Middle Tennessee to
start off the weekend, and rain chances from Saturday through next
week will be hard to come by, which will be welcome given the
volume of rain that we've received this week. Temperatures this
weekend will be several degrees cooler than normal, but look for
readings to creep back up by the start of next week. By the middle
of the week, we can look forward to highs in the low to mid 90s
most areas, but dew points won't be excessive, so for now it
doesn't appear that any sort of heat advisory will be in play.

&&

.AVIATION...
(18Z TAFS)
Issued at 1220 PM CDT Thu Jul 20 2023

A cluster of severe thunderstorms is bearing down on the Nashville
Metro Area, so the first order of business with the 18Z TAF's is
to move these storms across Middle Tennessee. These storms do
contain severe wind gusts, although the storm core(s) will likely
stay north of BNA. We do expect a cessation of the active weather
behind this line. Look for dense fog to develop overnight, along
with low stratus in a few spots.

&&

.PRELIMINARY POINT TEMPS/POPS...
Nashville      74  88  66  84 /  40  30  20  10
Clarksville    73  87  64  85 /  30  30  10   0
Crossville     67  82  61  77 /  60  50  20  10
Columbia       72  88  65  83 /  50  50  30  10
Cookeville     70  84  63  79 /  60  40  10  10
Jamestown      68  81  62  77 /  60  30  10  10
Lawrenceburg   72  88  64  82 /  60  50  40  10
Murfreesboro   72  88  65  84 /  40  40  20  10
Waverly        71  86  63  83 /  40  40  30  10

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
Flood Watch until 6 PM CDT this evening for Cannon-Cheatham-Clay-
Cumberland-Davidson-De Kalb-Dickson-Fentress-Houston-Humphreys-
Jackson-Macon-Montgomery-Overton-Pickett-Putnam-Robertson-
Rutherford-Smith-Stewart-Sumner-Trousdale-Van Buren-Warren-White-
Williamson-Wilson.

&&

SHORT TERM...Rose
LONG TERM....Rose
AVIATION.....Rose

Preliminary Local Storm Report
National Weather Service Nashville TN
224 PM CDT Thu Jul 20 2023

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

0125 PM     Tstm Wnd Dmg     7 WSW Belle Meade       36.04N 86.96W
07/20/2023                   Davidson           TN   Public

            Tspotter photo of large tree down blocking
            Hwy 100 at Old Harding Pike.

&&

Shamburger

Preliminary Local Storm Report
National Weather Service Nashville TN
229 PM CDT Thu Jul 20 2023

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

1234 PM     Tstm Wnd Dmg     Springfield             36.50N 86.88W
07/20/2023                   Robertson          TN   Newspaper

            Trees and power lines down throughout
            Robertson County with many across roads.

&&

Shamburger

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Preliminary Local Storm Report
National Weather Service Nashville TN
243 PM CDT Thu Jul 20 2023

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

0205 PM     Tstm Wnd Dmg     5 WNW Doyle             35.88N 85.59W
07/20/2023                   White              TN   Public

            Tree down and outbuilding damaged on Old
            Kentucky Rd near Central View Market.

&&

Shamburger

Preliminary Local Storm Report
National Weather Service Nashville TN
244 PM CDT Thu Jul 20 2023

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

0157 PM     Tstm Wnd Dmg     4 NW Centertown         35.76N 85.97W
07/20/2023                   Cannon             TN   Public

            10 inch diameter pine tree snapped on Hwy 70
            near the Cannon and Warren County line.

&&

Shamburger

Special Weather Statement
National Weather Service Nashville TN
249 PM CDT Thu Jul 20 2023

TNZ060-061-075-094-095-202030-
Lawrence TN-Bedford TN-Maury TN-Giles TN-Marshall TN-
249 PM CDT Thu Jul 20 2023

...A strong thunderstorm will impact portions of Marshall,
northeastern Lawrence, southeastern Maury, northern Giles and western
Bedford Counties through 330 PM CDT...

At 249 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles southeast of Mount Pleasant, or 12 miles south of Columbia,
moving east at 30 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Lewisburg, Summertown, Cornersville, Lynnville, Belfast, Frankewing,
Culleoka, Farmington and Unionville.

This includes Interstate 65 between mile markers 12 and 38.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
Middle Tennessee.

&&

LAT...LON 3543 8733 3564 8652 3536 8655 3537 8660
      3533 8660 3531 8668 3525 8675 3526 8683
      3518 8683 3515 8689
TIME...MOT...LOC 1949Z 290DEG 26KT 3543 8702

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Clements