DaculaWeather Posted July 25, 2013 Share Posted July 25, 2013 SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGENWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD1139Z THU JUL 25 2013DUE TO THE THREAT OF CWD NEXT WEEK FOR THE TROPICALSYSTEM IN THE ATLANTIC, NCEP/NCO WILL "GO LIVE" ONTHE NEW WCOSS SUPERCOMPUTERS TODAY, THURSDAY 7/25.THE PRODUCTION SUITE ON WCOSS SYSTEM TIDE WILL BEGINSENDING OUT THE OFFICIAL OPERATIONAL PRODUCTS ATROUGHLY 1230Z. DATA DISSEMINATION FROM THE CURRENTCCS SUPERCOMPUTER WILL CEASE AT THAT POINT, ALTHOUGH AFEW MODELS WILL CONTINUE TO COME FROM THE CCS AS THEYBLEED OFF OVER THE FIRST FEW HOURS AFTER THE SWITCHTO WCOSS SYSTEM TIDE.IN REFERENCE TO THE WCOSS GOING LIVE:NCEP RECENTLY DISCOVERED THAT MODIFICATIONS MADE TOTHE WCOSS NAM LAND-SURFACE MODEL INADVERTENTLY CREATEDA NEAR-SURFACE COOL/MOIST BIAS OVER URBAN AREAS. THEBIASES WILL BE MOST PRONOUNCED DURING HEAT WAVE/HIGHHUMIDITY EVENTS AND ARE ISOLATED TO THE LARGESTMETROPOLITAN AREAS. A FIX FOR THE PROBLEM HAS BEENIDENTIFIED AND WILL BE IMPLEMENTED INTO THE NAM SOMETIMEIN THE NEXT 7-10 DAYS. SORRY FOR THE INCONVENIENCE.. Link to comment Share on other sites More sharing options...
isohume Posted July 25, 2013 Share Posted July 25, 2013 Game changer! Link to comment Share on other sites More sharing options...
Ed Lizard Posted July 26, 2013 Share Posted July 26, 2013 Game changer! Ignoring that all op GFS runs have been n the extreme Southern end of the 0Z ensemble members w/ 04L, and the NAM issues, no problems NOUS42 KWNO 260332ADMNFD SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD 0331Z FRI JUL 26 2013 DUE TO AN UNKNOWN TIDE SUPERCOMPUTER ISSUE..STILL UNDER INVESTIGATIONS.. THE 00Z NAM FORECAST IS RUNNING ABOUT 1HR AND 35 MINUTES LATE BEYOND 36 HOURS...WE ARE RE-RUNNING SEVERAL FAILED PROCESSES SINCE THE LAST NOTIFICATION WAS SENT OUT TO THE FIELD. SYSTEM ADMINS ARE STANDING BY TO ASSIST IF FURTHER FAILURES OCCUR. 000NOUS42 KWNO 250254 ADMNFD SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD 0253Z THU JUL 25 2013 00Z GFS STARTED ON TIME.. IN REFERENCE TO THE WCOSS GOING LIVE DATE 7/25 1230Z NCEP RECENTLY DISCOVERED THAT MODIFICATIONS MADE TO THE WCOSS NAM LAND-SURFACE MODEL INADVERTENTLY CREATED A NEAR-SURFACE COOL/MOIST BIAS OVER URBAN AREAS. THE BIASES WILL BE MOST PRONOUNCED DURING HEAT WAVE/HIGH HUMIDITY EVENTS AND ARE ISOLATED TO THE LARGEST METROPOLITAN AREAS. A FIX FOR THE PROBLEM HAS BEEN IDENTIFIED AND WILL BE IMPLEMENTED INTO THE NAM SOMETIME IN THE NEXT 7-10 DAYS. SORRY FOR THE INCONVENIENCE.. SHRUELL/SDM/NCO/NCEP THE 00Z GFS AND OTHER PRODUCTS ARE SO FAR NOT IMPACTED BY THIS JOB FAILURE ON THE WCOSS SYSTEM TIDE. WE APOLOGIZE FOR THE INCONVENIENCE. NEWBY/OREILLY/SDM/NCO/NCEP Link to comment Share on other sites More sharing options...
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