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-------- Original Message --------565 NOUS41 KWBC 271456
PNSWSH
SERVICE CHANGE NOTICE 09-18
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1000 AM EST FRI FEB 27 2009
TO: SUBSCRIBERS:
-FAMILY OF SERVICES
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
OTHER NWS PARTNERS...AND NWS EMPLOYEES
FROM: ELI JACKS
CHIEF...FIRE AND PUBLIC WEATHER SERVICES BRANCH
SUBJECT: OPERATIONAL IMPLEMENTATION OF ASHFALL WARNING WITH
VALID TIME EVENT CODE /VTEC/ IN NON-PRECIPITATION
WEATHER PRODUCT EFFECTIVE JULY 6 2009
EFFECTIVE WITH EACH NWS FORECAST OFFICE /WFO/ INSTALLATION OF
ADVANCED WEATHER INTERACTIVE PROCESSING SYSTEM /AWIPS/
OPERATIONAL BUILD /OB/ 9.2 SOFTWARE...WFOS WILL HAVE THE
CAPABILITY TO ISSUE ASHFALL WARNINGS IN NON-PRECIPITATION
WEATHER /NPW/ PRODUCTS. INSTALLATION OF AWIPS OB9.2 SOFTWARE
IS SCHEDULED TO BEGIN ON JULY 6 2009.
THE NEW ASHFALL WARNING...VALID TIME EVENT CODE /VTEC/ AF.W... WILL BE ISSUED BY NWS WFOS WHEN SIGNIFICANT ACCUMULATION OF VOLCANIC ASH IS EXPECTED OR IS OCCURRING DUE TO A VOLCANIC ERUPTION OR RESUSPENSION OF PREVIOUSLY DEPOSITED ASH.
DOCUMENTATION REGARDING THE ASHFALL WARNING WILL BE INCLUDED IN AN UPDATE TO NWS INSTRUCTION /NWSI/ 10-515...WFO NON- PRECIPITATION WEATHER PRODUCTS SPECIFICATION...ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/DIRECTIVES/SYM/PD01005015CURR.PDFAND IN NWSI 10-1703...VALID TIME EVENT CODE...APPENDIX C... PARAGRAPH 1...VALID VTEC EVENTS...AVAILABLE AT /USE LOWER CASE EXCEPT THE VTEC IN VTECEVENTS.XLS MUST BE UPPER CASE/:
HTTP://WWW.WEATHER.GOV/OS/VTEC/RESOURCES/VTECEVENTS.XLS
IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:
PAUL STOKOLS
NATIONAL WEATHER SERVICE
FIRE AND PUBLIC WEATHER SERVICES BRANCH
1325 EAST WEST HWY
SILVER SPRING MARYLAND 20910
EMAIL: PAUL.STOKOLS@xxxxxxxx
NATIONAL SERVICE CHANGE NOTICES ARE ONLINE AT /USE LOWERCASE/:
HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM
$$
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