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NOUS41 KWBC 281727
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PUBLIC INFORMATION STATEMENT...TECHNICAL IMPLE. NOTICE 00-05
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1230 PM EST MON FEB 28 2000
TO FAMILY SERVICES/FOS/SUBSCRIBERS...NOAAPORT
SUBSCRIBERS...OTHER NATIONAL
WEATHER SERVICE /NWS/ CUSTOMERS...NWS EMPLOYEES
FROM THERESE Z PIERCE...CHIEF...HYDROMETEOROLOGICAL SERVICES
SUBJECT NEW EXPANDED AND ENHANCED DAY 2 AND 3 QUANTITATIVE
PRECIPITATION FORECAST /QPF/ PRODUCTS...
EFFECTIVE MARCH 20 2000
THE HYDROMETEOROLOGICAL PREDICTION CENTER /HPC/...NATIONAL
WEATHER SERVICE/NWS/...NATIONAL CENTERS FOR ENVIRONMENTAL
PREDICTION...WILL EXPAND AND ENHANCE ITS QUANTITATIVE
PRECIPITATION FORECAST /QPF/ PRODUCT SUITE EFFECTIVE AT 1200 UTC
20 MARCH 2000. THE HPC WILL ISSUE NEW 6-HOUR /6-H/ DAY 2 AND
DAY 3 QPF PRODUCTS. THE 6-H DAY 2 QPF WILL BE ISSUED TWICE DAILY
AND YEAR ROUND...WHILE 6-H DAY 3 QPF WILL BE ISSUED ONCE PER DAY
FOR THE 7-MONTH PERIOD EXTENDING FROM SEPTEMBER 15 THROUGH APRIL
15. THESE ENHANCEMENTS ARE DRIVEN BY REQUIREMENTS FROM THE NWS
DIVERSE USER COMMUNITY.
FOR THE 1200-1200 UTC FORECAST CYCLE...6-H DAY 2 AND DAY 3
QPFS WILL BE ISSUED AT 1015 UTC. FOR THE 0000-0000 UTC FORECAST
CYCLE...6-H DAY 2 QPFS WILL BE ISSUED AT 2215 UTC. THE TABLES
BELOW SHOW THE ALPHANUMERIC PRODUCT IDENTIFICATION...WMO
HEADING... AND SPECIFIC TIME PERIODS COVERED BY EACH OF THESE NEW
6-H DAY 2 AND DAY 3 PRODUCTS.
DAY 2 WMO HEADING 1200 UTC CYCLE 0000 UTC CYCLE VALIDTIMES
9GE PEBF98 KWNH 1200-1800 UTC 0000-0600 UTC 30-36 HRS
9HE PEBG98 KWNH 1800-0000 UTC 0600-1200 UTC 36-42 HRS
9IE PEBH98 KWNH 0000-0600 UTC 1200-1800 UTC 42-48 HRS
9JE PEBI88 KWNH 0600-1200 UTC 1800-0000 UTC 48-54 HRS
DAY 3 WMO HEADING 1200 UTC CYCLE VALID TIMES
9KE PEBI98 KWNH 1200-1800 UTC 54-60 HRS
9LE PEBJ88 KWNH 1800-0000 UTC 60-66 HRS
9ME PEBJ98 KWNH 0000-0600 UTC 66-72 HRS
9NE PEBK98 KWNH 0600-1200 UTC 72-78 HRS
CONSISTENT WITH OTHER RECENTLY ENHANCED HPC QPF PRODUCTS...
PRECIPITATION CONTOURS WILL START AT ONE ONE-HUNDREDTH INCHES
/MEASURABLE PRECIPITATION/.
QUESTIONS CONCERNING THESE MODIFICATIONS SHOULD BE ADDRESSED
TO:
MR. DAVID REYNOLDS -OR MR. KEVIN MCCARTHY
CHIEF...HPC/FORECAST OPERATIONS BRANCH DEPUTY DIRECTOR...HPC
/301/763-8000 EXT. 7317 /301/763-8000 EXT. 7304
DREYNOLDS@xxxxxxxxxxxxx KMCCARTHY@xxxxxxxxxxxxx
ADDITIONAL INFORMATION INCLUDING A DETAILED PRODUCT SCHEDULE
AND EXAMPLES OF PRODUCT FORMATS CAN BE FOUND AT:
HTTP://WWW.HPC.NCEP.NOAA.GOV/QPF/QPF2.HTML /LOWER CASE/
END
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