Storm Prediction Center Severe Thunderstorm Watch 4

Note: 
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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   SEL4

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 4
   NWS Storm Prediction Center Norman OK
   730 PM EST Thu Feb 6 2025

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Southeast Kentucky
     Northeast Tennessee
     Extreme Southwest Virginia

   * Effective this Thursday night from 730 PM until Midnight EST.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph possible
     Scattered large hail events to 1.5 inches in diameter possible
     A tornado or two possible

   SUMMARY...Scattered intense storms will track southeastward across
   the watch area for the next few hours, capable of hail and damaging
   winds.  A tornado or two is also possible.

   The severe thunderstorm watch area is approximately along and 45
   statute miles north and south of a line from 50 miles northwest of
   Knoxville TN to 30 miles north northeast of Hot Springs NC. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU4).

   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.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 450. Mean storm motion vector
   27030.

   ...Hart

   SEL4

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 4
   NWS Storm Prediction Center Norman OK
   730 PM EST Thu Feb 6 2025

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Southeast Kentucky
     Northeast Tennessee
     Extreme Southwest Virginia

   * Effective this Thursday night from 730 PM until Midnight EST.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph possible
     Scattered large hail events to 1.5 inches in diameter possible
     A tornado or two possible

   SUMMARY...Scattered intense storms will track southeastward across
   the watch area for the next few hours, capable of hail and damaging
   winds.  A tornado or two is also possible.

   The severe thunderstorm watch area is approximately along and 45
   statute miles north and south of a line from 50 miles northwest of
   Knoxville TN to 30 miles north northeast of Hot Springs NC. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU4).

   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.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 450. Mean storm motion vector
   27030.

   ...Hart

Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.

   SAW4 
   WW 4 SEVERE TSTM KY TN VA 070030Z - 070500Z
   AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
   50NW TYS/KNOXVILLE TN/ - 30NNE HSS/HOT SPRINGS NC/
   ..AVIATION COORDS.. 40NM N/S /44NW VXV - 25WSW HMV/
   HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
   MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27030.

   LAT...LON 36988464 36958261 35658261 35688464

   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU4.

Watch 4 Status Report Message has not been issued yet.

Note:
 Click for Complete Product Text.

Tornadoes

Wind

Hail

Combined Severe Hail/Wind

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.