-------- Original Message --------
446
NOUS41 KWBC 071510
PNSWSH
SERVICE CHANGE NOTICE 08-27
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1110 AM EDT MON APR 7 2008
TO: SUBSCRIBERS:
-FAMILY OF SERVICES
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
OTHER NWS PARTNERS...USERS AND EMPLOYEES
FROM: THERESE Z. PIERCE
CHIEF...MARINE AND COASTAL SERVICES BRANCH
SUBJECT: OPERATIONAL IMPLEMENTATION OF THE MARINE WEATHER MESSAGE
/MWW/: EFFECTIVE AUGUST 5 2008
REFER TO: SERVICE CHANGE NOTICE /SCN/ 08-26: TRANSMITTED
APR 7 2008
ON TUESDAY AUGUST 5 2008 AT 1800 COORDINATED UNIVERSAL TIME
/UTC/... NWS FORECAST OFFICES /WFOS/ SERVING THE ATLANTIC...
PACIFIC...GULF...AND GREAT LAKES COASTS WILL BEGIN ISSUING THE
OPERATIONAL MARINE WEATHER MESSAGE /MWW/ PRODUCT. THIS PRODUCT IS
INTENDED TO BETTER INFORM MARINERS OF MARINE WEATHER HAZARDS AND
SERVE AS A DEDICATED LONG DURATION MARINE WATCH/WARNING/ADVISORY
PRODUCT.
THE MWW WILL IMPLEMENT THE OPERATIONAL VALID TIME EVENT CODE
/VTEC/ FOR ALL LONG TERM MARINE WATCH/WARNING/ADVISORY EVENTS.
THIS INCLUDES THE IMPLEMENTATION OF FIVE NEW MARINE WATCH PRODUCTS
USING FIVE NEW VALID TIME EVENT CODE /VTEC/ PHENOMENA AND
SIGNIFICANCE CODE PAIRINGS.
TABLE 1. FIVE NEW MARINE WATCHES AND VTEC PHENOMENA AND
SIGNIFICANCE CODE PAIRINGS
MARINE WATCH EVENT NAME PHENOMENA AND SIGNIFICANCE CODE
GALE WATCH GL.A
STORM WATCH SR.A
HURRICANCE FORCE WIND WATCH HF.A
HAZARDOUS SEAS WATCHSE.A
HEAVY FREEZING SPRAY WATCH UP.A
EFFECTIVE AUGUST 5 2008...THE VTEC INFORMATION PREVIOUSLY
CONTAINED IN THE COASTAL WATERS FORECAST /CWF/ AND NEARSHORE
MARINE FORECAST /NSH/ PRODUCTS WILL BE FOUND IN THE MWW. SELECTED
WFOS HAVE BEEN ISSUING THE MWW EXPERIMENTALLY SINCE AUGUST 1
2007. FOR ADDITIONAL INFORMATION SEE SERVICE CHANGE NOTICE 08-26
DATED APR 7 2008.
THE PRODUCT TYPE LINE IN THE MASS NEWS DISSEMINATOR HEADER BLOCK
WILL BE /MARINE WEATHER MESSAGE/. USERS MUST ADD THE NEW PRODUCT
HEADERS TO THEIR COMMUNICATIONS DATABASES TO RECEIVE THE MWW
PRODUCTS. THE COMPLETE LIST OF THE NEW MWW COMMUNICATION
IDENTIFIERS...WHICH TAKE EFFECT AUGUST 5 2008... IS AVAILABLE
ONLINE...LISTED BY WFO...AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/OS/MWW/RESOURCES/NEW_MWW.PDF
MORE DETAILED INFORMATION ON THE MWW PRODUCT AND AN EXAMPLE OF THE
NEW FORMAT IS AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/OS/MWW
IF YOU HAVE QUESTIONS...PLEASE CONTACT:
MARK TEW
NATIONAL MARINE PROGRAM LEADER
MARINE AND COASTAL SERVICES BRANCH
1325 EAST WEST HWY ROOM 13118
SILVER SPRING MARYLAND 20910
PHONE: 301-713-1677 EXTENSION 103
E-MAIL: MARK.TEW@xxxxxxxx
NWS SERVICE CHANGE NOTICES ARE ONLINE AT /USE LOWER CASE/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$