Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 511
NWS Storm Prediction Center Norman OK
110 PM CDT Tue Jul 18 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western and central Kentucky
Western and middle Tennessee
* Effective this Tuesday afternoon and evening from 110 PM until
800 PM CDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...A line of severe thunderstorms will move rapidly across
the watch area this afternoon with the potential for damaging wind
gusts to 75 mph. A tornado or two is also possible, in addition to
isolated reports of large hail.
The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 55 miles north
northeast of Crossville TN to 10 miles west northwest of Fort
Campbell KY. For a complete depiction of the watch see the
associated watch outline update (WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 510...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28045.
...Bunting
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 511
NWS Storm Prediction Center Norman OK
110 PM CDT Tue Jul 18 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western and central Kentucky
Western and middle Tennessee
* Effective this Tuesday afternoon and evening from 110 PM until
800 PM CDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...A line of severe thunderstorms will move rapidly across
the watch area this afternoon with the potential for damaging wind
gusts to 75 mph. A tornado or two is also possible, in addition to
isolated reports of large hail.
The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 55 miles north
northeast of Crossville TN to 10 miles west northwest of Fort
Campbell KY. For a complete depiction of the watch see the
associated watch outline update (WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 510...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28045.
...Bunting
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 511 SEVERE TSTM KY TN 181810Z - 190100Z
AXIS..75 STATUTE MILES NORTH AND SOUTH OF LINE..
55NNE CSV/CROSSVILLE TN/ - 10WNW HOP/FORT CAMPBELL KY/
..AVIATION COORDS.. 65NM N/S /35SW LOZ - 58NW BNA/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28045.
LAT...LON 35598470 35648765 37818765 37778470
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 511 Status Report Messages:
STATUS REPORT #1 ON WW 511
VALID 182045Z - 182140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SW CKV TO
25 ESE CKV TO 15 SE OWB TO 25 SW EVV.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1618
..WEINMAN..07/18/23
ATTN...WFO...LMK...PAH...JKL...OHX...
&&
STATUS REPORT FOR WS 511
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KYC001-003-009-021-027-029-031-045-053-057-059-061-085-087-091-
093-099-101-123-137-141-147-155-163-169-171-179-183-199-207-213-
217-227-229-231-182140-
KY
. KENTUCKY COUNTIES INCLUDED ARE
ADAIR ALLEN BARREN
BOYLE BRECKINRIDGE BULLITT
BUTLER CASEY CLINTON
CUMBERLAND DAVIESS EDMONSON
GRAYSON GREEN HANCOCK
HARDIN HART HENDERSON
LARUE LINCOLN LOGAN
MCCREARY MARION MEADE
METCALFE MONROE NELSON
OHIO PULASKI RUSSELL
SIMPSON TAYLOR WARREN
WASHINGTON WAYNE
$$
TNC003-015-021-027-031-035-037-041-043-049-055-061-081-085-087-
099-101-111-117-119-133-135-137-141-147-149-159-165-169-175-177-
181-185-187-189-182140-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD CANNON CHEATHAM
CLAY COFFEE CUMBERLAND
DAVIDSON DE KALB DICKSON
FENTRESS GILES GRUNDY
HICKMAN HUMPHREYS JACKSON
LAWRENCE LEWIS MACON
MARSHALL MAURY OVERTON
PERRY PICKETT PUTNAM
ROBERTSON RUTHERFORD SMITH
SUMNER TROUSDALE VAN BUREN
WARREN WAYNE WHITE
WILLIAMSON WILSON
$$
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
|
Low (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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 (90%)
|
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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