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000
NOUS42 KCHS 122159
PNSCHS
GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-291800-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
500 PM EST FRI FEB 12 2016

TO:       SUBSCRIBERS:
          -FAMILY OF SERVICES
          -NOAA WEATHER WIRE SERVICE
          -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
          -NOAAPORT
          OTHER NWS PARTNERS AND EMPLOYEES

FROM:     RON MORALES
          WARNING COORDINATION METEOROLOGIST
          NATIONAL WEATHER SERVICE CHARLESTON SC

SUBJECT:  IMPLEMENTATION OF IMPACT-BASED SPECIAL WEATHER STATEMENTS
          FOR SUB-SEVERE THUNDERSTORMS...EFFECTIVE MARCH 1 2016

UPDATE SUMMARY:   CHANGED 40-55 MPH CRITERIA TO 45-55 MPH.
                  REMOVED HEAVY RAIN CRITERIA.

THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN CHARLESTON SC WILL
IMPLEMENT IMPACT-BASED SPECIAL WEATHER STATEMENTS FOR SUB-SEVERE
THUNDERSTORMS ON MARCH 1 2016. THIS CHANGE IS PART OF AN ONGOING
EFFORT TO MODIFY LOCAL NATIONAL WEATHER SERVICE PRODUCTS TO CONTAIN
MORE SPECIFIC IMPACT-BASED WEATHER INFORMATION.

IMPACT BASED SPECIAL WEATHER STATEMENTS WILL ONLY BE ISSUED FOR SUB-
SEVERE THUNDERSTORMS USING THE FOLLOWING CRITERIA...

+ WINDS OF 45-55 MPH.
+ PENNY TO NICKEL SIZE HAIL.
+ EXCESSIVE CLOUD TO GROUND LIGHTNING.

IN ADDITION...ENHANCED HEADLINES FOR MARINERS TO SEEK SAFE HARBOR ON
LAKE MOULTRIE AND EASTERN LAKE MARION IN BERKELEY COUNTY...SOUTH
CAROLINA WILL BE INCLUDED AS APPROPRIATE.

FOR QUESTIONS REGARDING THIS CHANGE...PLEASE CONTACT...

  RON MORALES
  WARNING COORDINATION METEOROLOGIST
  NATIONAL WEATHER SERVICE CHARLESTON SC
  843-744-0211
  RON.MORALES@NOAA.GOV

  OR

  MICHAEL EMLAW
  METEOROLOGIST-IN-CHARGE
  NATIONAL WEATHER SERVICE CHARLESTON SC
  843-744-0211
  MICHAEL.EMLAW@NOAA.GOV

SEVERAL EXAMPLES OF HAZARD-BASED SPECIAL WEATHER STATEMENTS FOR
SUB-SEVERE THUNDERSTORMS CAN BE FOUND AT THE FOLLOWING URL
/IN ALL LOWER CASE LETTERS/...

 HTTP://WEATHER.GOV/CHS/SPS

$$





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