Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 74
NWS Storm Prediction Center Norman OK
935 PM CDT Sat Mar 28 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Middle Tennessee
* Effective this Saturday night and Sunday morning from 935 PM
until 400 AM CDT.
* Primary threats include...
A few tornadoes and a couple intense tornadoes possible
Scattered damaging wind gusts to 70 mph likely
SUMMARY...Line of strong to severe thunderstorms over western
Tennessee will progress east across middle Tennessee tonight with a
risk for damaging winds and a few tornadoes.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 80 miles south southwest of Nashville
TN to 40 miles northeast of Nashville TN. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU4).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 71...WW 72...WW 73...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 23045.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 74 TORNADO TN 290235Z - 290900Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
80SSW BNA/NASHVILLE TN/ - 40NE BNA/NASHVILLE TN/
..AVIATION COORDS.. 50NM E/W /25NNE MSL - 27SSE BWG/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 23045.
LAT...LON 35058828 36538725 36538509 35058616
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 74 Status Report Messages:
STATUS REPORT #2 ON WW 74
VALID 290815Z - 290940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNW HSV
TO 50 S BNA TO 50 NW CHA TO 45 N CSV.
..MOSIER..03/29/20
ATTN...WFO...OHX...
&&
STATUS REPORT FOR WT 74
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC003-015-031-035-041-049-061-133-137-141-175-177-185-290940-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD CANNON COFFEE
CUMBERLAND DE KALB FENTRESS
GRUNDY OVERTON PICKETT
PUTNAM VAN BUREN WARREN
WHITE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 74
VALID 290450Z - 290540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NW MSL TO
55 SW BNA TO 30 NNW BNA.
..SPC..03/29/20
ATTN...WFO...OHX...
&&
STATUS REPORT FOR WT 74
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC003-015-021-027-031-037-041-055-081-087-099-101-111-117-119-
141-147-149-159-165-169-177-181-187-189-290540-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD CANNON CHEATHAM
CLAY COFFEE DAVIDSON
DE KALB GILES HICKMAN
JACKSON LAWRENCE LEWIS
MACON MARSHALL MAURY
PUTNAM ROBERTSON RUTHERFORD
SMITH SUMNER TROUSDALE
WARREN WAYNE WILLIAMSON
WILSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (30%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
weather.gov 
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