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NOUS40 KWBC 171638
FOS/NOAAPORT NOTICE NO. 1602 FEBRUARY 17... 2000
PART 2 OF A 3 PART MESSAGE
ATTENTION FAMILY OF SERVICES SUBSCRIBERS
NOAAPORT USERS
SUBJECT NOTICE OF INTENT TO CHANGE EXTEND ETA TO 60
HOURS + CHANGE PACKAGE
SCHEDULE FOR CHANGE
FINAL TESTING
REALTIME PARALLEL TESTING DURING FEBRUARY AND EARLY MARCH
CAFTI APPROVAL
EXPECTED IN 1 MARCH 2000
EXPECTED IMPLEMENTATION
21 MARCH 2000 /ADVERTISED THROUGH DRG AND AWIPS CCB DUE TO
CHANGES IN GRIDS PRODUCTS/
DESCRIPTION OF TESTING
THE REALTIME PARALLE1 RUNS ARE BEING PRODUCED TWICE DAILY
AND CAN BE VIEWED AT HTTP//SGI62.WWB.NOAA.GOV 8080/ETAPLL/
1/ EXTENDING THE FORECAST RANGE TO 60 HR REQUIRED ONLY DATA
CARD AND SCRIPT CHANGES SO REALTIME PARALLEL TESTS WILL
ADDRESS QUALITY OF THE 60 HOUR GUIDANCE. 2/ EXAMPLES OF THE
SHUELL SEA-LEVEL PRESSURE AND ALL THE GRID 212 AND 215
UNIFORM OUTPUT WAS PROVIDED TO FSL FOR TESTING WITH AWIPS
SOFTWARE AND TO OSO FOR SBN. 3/ THE BMJ CONVECTIVE CHANGES
HAD BEEN TESTED IN 80 KM PARALLEL RUNS ON THE C-90 FROM MAY
THROUGH 27 SEPTEMBER 1999/THE C-90 FIRE/.DAILY PRECIP MAPS WITH
VERIFICATIONS /WHERE ETAV = CONTROL ETAY = EXPERIMENT/ FOR
THIS TESTING PERIOD CAN STILL BE FOUND AT
HTTP //SGI62.WWB.NOAA.GOV 8080/VERF/PCPGIFS.HTML AND PLOTS OF
MONTHLY PRECIPITATION WATER BUDGETS FOR THE MONTHS OF JUNE...
JULY... AUGUST AND SEPTEMBER 1999 CAN BE FOUND AT
HTTP//WWW.EMC.NCEP.NOAA.GOV/MMB/GCP/H2O/VY1999.HTML
THE REALTIME PARALLE1 RUNS ARE BEING PRODUCED TWICE DAILY AND
CAN BE VIEWED AT HTTP//SGI62.WWB.NOAA.GOV 8080/ETAPLL/
STATISTICAL SUMMARIES
A TPB IS FORTHCOMING. THE MONTHLY MEAN AND WATER BUDGET
WEBSITE AT
HTTP//WWW.EMC.NCEP.NOAA.GOV/MMB/GCP/H2O/VY1999.HTML
PORVIDES A COMPARISON OF THE 80KM CONTROL AND THE
CORRESPONDING 32KM OPERATIONAL RUN SHOWING A VERY CLOSE
CORRESPONDENCE IN THE COASTAL BIAS SIGNAL. THIS LENDS HIGH
CREDENCE TO THE USE OF THESE 80 KM RUNS TO TEST THE RESPONSE
OF THE MESO ETA TO THE CONVECTIVE SCHEME CHANGES. WE HAVE
ANALYZED THESE 5 MONTHS OF RUNS WITH BOTH NATIONAL AND
REGIONAL AREA STATISTICS FOR PRECIP THREAT AND BIAS. A STATS
WEBPAGE IS BEING PREPARED AND RESULTS WILL BE SUMMARIEZED
IN THE TPB.
END
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