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767
NOUS41 KWBC 231341
PNSWSH
PUBLIC INFORMATION STATEMENT...SERVICE CHANGE NOTICE 00-68
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
940 AM EDT FRI JUN 23 2000
TO FAMILY OF SERVICES/FOS/SUBSCRIBERS...NOAA WEATHER WIRE
SERVICE/NWWS/SUBSCRIBERS...OTHER NATIONAL WEATHER
SERVICE/NWS/CUSTOMERS...NWS EMPLOYEES
FROM THERESE PIERCE...CHIEF...HYDROMETEOROLOGICAL SERVICES
SUBJECT EXPANDED CODED CITIES FORECAST AND DIGITAL FORECAST
PRODUCTS FROM NATIONAL WEATHER SERVICE BLACKSBURG VA
EFFECTIVE JULY 17 2000
ON MONDAY JULY 17 2000...AT 400 PM EDT...THE NATIONAL WEATHER
SERVICE IN BLACKSBURG VA WILL BEGIN ISSUING AN EXPANDED VERSION
OF THE CODED CITIES FORECAST AND A PRODUCT CALLED THE DIGITAL
ZONE FORECAST. THE DIGITAL FORMAT OF THESE PRODUCTS WILL
FACILITATE THEIR USE WITH COMPUTERS AND THE ISSUANCE OF TIMELY
UPDATES.
EXPANDED CODED CITIES FORECAST...
THE EXPANDED CODED CITIES FORECAST WILL BE SIMILAR TO THE
EXISTING PRODUCT FOR DAYS 1 AND 2...BUT WILL INCLUDE FORECASTS
OUT TO FIVE DAYS. A SITE IN BOONE...NORTH CAROLINA /TNB/ WILL
ALSO BE ADDED. THE WMO HEADER WILL CONTINUE TO BE FPUS41 KRNK.
THE OLD NWWS HEADER OF WBCCCFRNK WILL ALSO REMAIN UNCHANGED.
CUSTOMERS WILL NOT NEED TO MAKE ANY COMMUNICATION CHANGES TO
CONTINUE RECEIVING THIS PRODUCT.
AN EXAMPLE OF THE EXPANDED CODED CITIES FORECAST FOLLOWS:
FPUS41 KRNK 052000
CCFRNK
ROA TA 055/074 038/059 038 25375 0000/0000/0000
ABB 073/048 074/050 070 0000000
LYH TA 055/074 038/059 038 25375 0000/0000/0000
ABB 073/048 074/050 070 0000000
TNB TA 055/074 038/059 038 25375 0000/0000/0000
ABB 073/048 074/050 070 0000000
THE THIRD LINE IS IDENTICAL TO THE OLD CODED CITIES
FORECAST...EXCEPT FOR THE ADDITION OF THREE...FOUR-DIGIT
GROUPS...EACH SEPARATED BY A SLANT SYMBOL. EACH FOUR DIGIT GROUP
REPRESENTS A SNOWFALL RANGE FOR THE FIRST...SECOND AND THIRD
PERIODS RESPECTIVELY. SO FOR EXAMPLE...A CODE OF 0001/0306/0204
REPRESENTS A FORECAST OF 0-1 INCHES OF SNOW IN THE FIRST 12
HOURS...3-6 INCHES IN THE SECOND 12 HOUR PERIOD AND 2-4 INCHES IN
THE THIRD 12 HOUR PERIOD.
ON THE FOURTH LINE...ABB IS AN EXAMPLE OF A STRING OF THREE ONE-
LETTER WEATHER FORECASTS FOR DAYS 3...4...AND 5...FOLLOWED BY THE
TEMPERATURE FORECAST FOR THE LAST FIVE PERIODS. THE STRING OF
ZEROES AT THE END OF THE LINE WILL EVENTUALLY BE REPLACED WITH
PRECIPITATION PROBABILITIES FOR SEVEN PERIODS...BUT THIS MAY NOT
BE AVAILABLE INITIALLY.
DIGITAL ZONE FORECAST...
THE DIGITAL ZONE FORECAST IS A PRODUCT WHICH DISPLAYS FORECASTED
WEATHER PARAMETERS IN 3-HOUR INTERVALS. THIS PROVIDES A MORE
DETAILED FORECAST AND ALSO MAKES IT EASIER FOR THE USER TO OBTAIN
THE WEATHER PARAMETER/S/ OF CHOICE. IT IS ESSENTIALLY A DIGITAL
DISPLAY OF THE ZONE FORECAST IN MUCH GREATER DETAIL AND WITH
FORECAST PROJECTIONS OUT TO 5 DAYS. THE NARRATIVE VERSION OF THE
ZONE FORECAST WILL STILL BE AVAILABLE.
THE WMO HEADER FOR THIS PRODUCT WILL BE FOUS52. THE NWWS HEADER
WILL BE WBCRDFRNK.
THE FOLLOWING IS AN EXAMPLE OF THE DIGITAL ZONE FORECAST...
FOUS52 KRNK 101600
RDFRNK
DIGITAL ZONE FORECAST
NATIONAL WEATHER SERVICE BLACKSBURG VA
1236 PM EDT MON APR 10 2000
VAZ012>017-112300-
CARROLL-FLOYD-GRAYSON-MONTGOMERY-PULASKI-WYTHE
INCLUDING THE CITIES OF...GALAX AND RADFORD
1236 PM EDT MON APR 10 2000
TUE 04/11/00 WED 04/12/00
EDT 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
POP 12HR 0 0 0 10 20
QPF 12HR 0 0 0 0
MAX QPF 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
MN/MX 49 77 54 75 53
TEMP 71 73 69 60 55 52 52 61 71 75 72 64 60 57 61 67 75 72
DEWPT 36 36 39 42 44 45 46 48 49 48 49 51 52 52 55 57 57 57
RH 28 26 33 51 66 77 80 62 46 38 44 63 75 83 81 70 54 59
WIND DIR S S S S S S S S S S S S S S S S S S
WIND SPD 8 10 5 5 2 2 2 10 12 12 8 5 5 2 2 10 12 12 8 8 8 8
CLOUDS CL CL SC SC BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK
THU 04/13/00FRI 04/14/00SAT 04/15/00
EDT 09 15 21 03 09 15 21 03 09 15 21 03 09
POP 12HR 40 40 40 40 30 30
MN/MX 72 56 77 57 77 57
CLOUDS BK BK BK BK BK BK
RAIN SHWRS C C C C C C
TSTMS C C C C S S
$$
THE NATIONAL WEATHER SERVICE IN CHARLESTON WV IS ALREADY USING
THE DIGITAL ZONE FORECAST. FURTHER DETAILS ON HOW TO INTERPRET
THIS PRODUCT CAN BE FOUND ON THEIR INTERNET WEB SITE AT /LOWER
CASE/ WWW.NWS.NOAA.GOV/ER/RLX/PRODEX/RDFEXPLANATION.HTML
... OR CONTACT THE BLACKSBURG FORECAST OFFICE AT THE NUMBER
LISTED BELOW.
IF YOU HAVE QUESTIONS OR COMMENTS ABOUT THESE PRODUCTS...PLEASE
CALL MICHAEL EMLAW OR STEVE KEIGHTON AT 540-552-0590.
THIS NOTICE AND OTHER SERVICE CHANGE NOTICES ARE ON THE INTERNET
AT /LOWER CASE/ WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
END
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