Storm Prediction Center Severe Thunderstorm Watch 658

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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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   SEL8

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 658
   NWS Storm Prediction Center Norman OK
   630 PM EDT Sat Sep 5 2026

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Southern South Carolina
     Coastal Waters

   * Effective this Saturday evening from 630 PM until 1100 PM EDT.

   * Primary threats include...
     Scattered damaging wind gusts to 60 mph possible

   SUMMARY...A linear cluster of strong to locally severe thunderstorms
   will continue moving southward into the Watch area this evening. 
   The stronger water-loaded downdrafts will probably yield localized
   60 mph gusts and the potential for scattered wind damage.

   The severe thunderstorm watch area is approximately along and 30
   statute miles north and south of a line from 80 miles west of
   Charleston SC to 40 miles east northeast of Charleston SC. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU8).

   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 656...WW 657...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1 inch. Extreme turbulence and surface wind gusts to 50 knots. A few
   cumulonimbi with maximum tops to 500. Mean storm motion vector
   36015.

   ...Smith

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

   SAW8 
   WW 658 SEVERE TSTM SC CW 052230Z - 060300Z
   AXIS..30 STATUTE MILES NORTH AND SOUTH OF LINE..
   80W CHS/CHARLESTON SC/ - 40ENE CHS/CHARLESTON SC/
   ..AVIATION COORDS.. 25NM N/S /47NNW SAV - 35ENE CHS/
   HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..50 KNOTS.
   MAX TOPS TO 500. MEAN STORM MOTION VECTOR 36015.

   LAT...LON 33338141 33557939 32687939 32468141

   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU8.

Watch 658 Status Report Messages:

STATUS REPORT #1 ON WW 658

VALID 052350Z - 060040Z

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..CHALMERS..09/05/26

ATTN...WFO...CHS...

&&

STATUS REPORT FOR WS 658 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

SCC005-015-019-029-035-049-060040-

SC 
.    SOUTH CAROLINA COUNTIES INCLUDED ARE

ALLENDALE	     BERKELEY		 CHARLESTON	     
COLLETON	     DORCHESTER 	 HAMPTON	     
$$


AMZ340-360-060040-

CW 

.    ADJACENT COASTAL WATERS INCLUDED ARE

CHARLESTON HARBOR 

COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20
NM 

$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$

Note:
 Click for Complete Product Text.

Tornadoes

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.