Storm Prediction Center Severe Thunderstorm Watch 665

Note: 
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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   SEL5

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 665
   NWS Storm Prediction Center Norman OK
   250 PM EDT Wed Sep 9 2026

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Western New York
     Northern Ohio
     Northwest Pennsylvania
     Northern Panhandle of West Virginia
     Lake Erie

   * Effective this Wednesday afternoon and evening from 250 PM
     until 1100 PM EDT.

   * Primary threats include...
     Scattered damaging wind gusts to 65 mph possible

   SUMMARY...Thunderstorms will increase in coverage through the
   afternoon, in a relatively warm and humid air mass.  A few of the
   storms may become severe, with damaging wind gusts being the main
   concern.

   The severe thunderstorm watch area is approximately along and 35
   statute miles north and south of a line from 35 miles west northwest
   of Mansfield OH to 60 miles east northeast of Bradford PA. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU5).

   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 inch. Extreme turbulence and surface wind gusts to 55 knots. A few
   cumulonimbi with maximum tops to 450. Mean storm motion vector
   27025.

   ...Hart

   SEL5

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 665
   NWS Storm Prediction Center Norman OK
   250 PM EDT Wed Sep 9 2026

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Western New York
     Northern Ohio
     Northwest Pennsylvania
     Northern Panhandle of West Virginia
     Lake Erie

   * Effective this Wednesday afternoon and evening from 250 PM
     until 1100 PM EDT.

   * Primary threats include...
     Scattered damaging wind gusts to 65 mph possible

   SUMMARY...Thunderstorms will increase in coverage through the
   afternoon, in a relatively warm and humid air mass.  A few of the
   storms may become severe, with damaging wind gusts being the main
   concern.

   The severe thunderstorm watch area is approximately along and 35
   statute miles north and south of a line from 35 miles west northwest
   of Mansfield OH to 60 miles east northeast of Bradford PA. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU5).

   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 inch. Extreme turbulence and surface wind gusts to 55 knots. A few
   cumulonimbi with maximum tops to 450. Mean storm motion vector
   27025.

   ...Hart

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

   SAW5 
   WW 665 SEVERE TSTM NY OH PA WV LE 091850Z - 100300Z
   AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
   35WNW MFD/MANSFIELD OH/ - 60ENE BFD/BRADFORD PA/
   ..AVIATION COORDS.. 30NM N/S /58NNW APE - 42NNE SLT/
   HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..55 KNOTS.
   MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27025.

   LAT...LON 41528314 42637755 41627755 40508314

   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU5.

Watch 665 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.