10 October 2007 Brent Gordon NCEP Central Operations “Where America’s Climate, Weather and Ocean Services Begin” Asia-Pacific Satellite Data Exchange &

10 October 200710 October 2007

Brent GordonBrent Gordon

NCEP Central OperationsNCEP Central Operations“Where America’s Climate, Weather and Ocean Services Begin”

Asia-Pacific Satellite Data Asia-Pacific Satellite Data Exchange & Utilization Exchange & Utilization

MeetingMeeting NCEP UpdateNCEP Update

22

TopicsTopics NCEP OrganizationNCEP Organization NCEP Central Computer Systems NCEP Central Computer Systems Description of Current Model Production Description of Current Model Production

SuiteSuite Asia-Pacific Satellite Data Used Currently Asia-Pacific Satellite Data Used Currently

by NCEPby NCEP New NCEP Asia-Pacific Satellite Data New NCEP Asia-Pacific Satellite Data

RequestsRequests Non Satellite Data RequestsNon Satellite Data Requests

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NCO MissionNCO Mission““Leading NCEP’s Information Technology”Leading NCEP’s Information Technology”

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Central Computer SystemsCentral Computer SystemsTwo Identical IBM Systems for OperationsTwo Identical IBM Systems for Operations Primary located in Gaithersburg, MDPrimary located in Gaithersburg, MD Backup located in Fairmont, WVBackup located in Fairmont, WV Each systems consists of:Each systems consists of:

– 144 Power-5+ nodes144 Power-5+ nodes– 16 Processors (32 virtual processors) per nodes 16 Processors (32 virtual processors) per nodes – 1.9 GHz clock speed1.9 GHz clock speed– 4608 total (virtual) processors4608 total (virtual) processors– 32 GB memory per node32 GB memory per node– 134 TB disk storage134 TB disk storage– 125 TB tape storage125 TB tape storage

Final option on current contract Final option on current contract in 2009in 2009

– Performance guarantee is 2.5X current CCSPerformance guarantee is 2.5X current CCS– Primary system to be moved to Omaha (Collocated with USAF)Primary system to be moved to Omaha (Collocated with USAF)

55

Central Computer SystemsCentral Computer Systems

R&D System - GaithersburgR&D System - Gaithersburg– 86 Power5+ nodes 86 Power5+ nodes – 16 processors (32 virtual) per 16 processors (32 virtual) per

node node – 1.9 GHz clock speed1.9 GHz clock speed– 2752 (virtual) processors2752 (virtual) processors– 32 GB memory per node32 GB memory per node– 160 TB disk storage160 TB disk storage– 11.3 PB tape storage11.3 PB tape storage

Operations R & D

Mist

Dew

Haze

TransitionInto

Operations

Internal/ExternalPartnerships

JCSDA

Climate Test Bed

Model Test Bed

R&D is ~60% of oneoperational system

Climate Development

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Current Production SuiteCurrent Production Suite

Global ModelsGlobal Models Global Forecast System (GFS)Global Forecast System (GFS)

– Run 4 times daily to 384 hours (16 days)Run 4 times daily to 384 hours (16 days)– T382L64 – 00-180 hoursT382L64 – 00-180 hours– T190L64 – 180-384 hoursT190L64 – 180-384 hours– Gridpoint Statistical Interpolation (GSI) analysis Gridpoint Statistical Interpolation (GSI) analysis – Hybrid (Sigma-Pressure) vertical coordinate Hybrid (Sigma-Pressure) vertical coordinate

systemsystem

77


Global ModelsGlobal Models Global Ensemble Forecast System (GEFS)Global Ensemble Forecast System (GEFS)

– 20 members + 1 control – run 4 times daily 20 members + 1 control – run 4 times daily 84 total members per day84 total members per day

– T126L28 – 00-384 hoursT126L28 – 00-384 hours– Producing bias corrected ensemble forecasts Producing bias corrected ensemble forecasts

for 35 variables.for 35 variables.– Supporting the NAEFS and TIGGE programsSupporting the NAEFS and TIGGE programs

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Global ModelsGlobal Models Climate Forecast System (CFS)Climate Forecast System (CFS)

– Currently, two fully-coupled nine-month Currently, two fully-coupled nine-month forecasts are made every day at T62L64 forecasts are made every day at T62L64 resolutionresolution

– The present CFS operational system is frozenThe present CFS operational system is frozen– Development work is underway at EMC to Development work is underway at EMC to

improve the CFSimprove the CFS– All data available via FTP/HTTPAll data available via FTP/HTTP

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Global ModelsGlobal Models NOAA Wave Watch III (NWW3)NOAA Wave Watch III (NWW3)

– Run 4 times daily with forecasts to 180 hoursRun 4 times daily with forecasts to 180 hours– Global model run at 1.25x1.0 degree resolution Global model run at 1.25x1.0 degree resolution – Regional and hurricane based models run at Regional and hurricane based models run at

0.25 degree resolution0.25 degree resolution– Great Lakes wave model at 4 km resolution to Great Lakes wave model at 4 km resolution to

84 hours84 hours– Currently running a 10 member global wave Currently running a 10 member global wave

ensemble system as well (84 hours – 4/day)ensemble system as well (84 hours – 4/day)

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Regional ModelsRegional Models North American Mesoscale (NAM)North American Mesoscale (NAM)

– Run 4 times daily to 84 hours (with GFS extension to Run 4 times daily to 84 hours (with GFS extension to 192 hours)192 hours)

– GSI analysis with 12 km resolution covering all of GSI analysis with 12 km resolution covering all of North AmericaNorth America

– Now using high resolution radar data as inputNow using high resolution radar data as input Rapid Update Cycle (RUC)Rapid Update Cycle (RUC)

– Run 24 times daily to either 9 or 12 hoursRun 24 times daily to either 9 or 12 hours– 13 km resolution over US, S. Canada, N. Mexico13 km resolution over US, S. Canada, N. Mexico

Hurricane RunsHurricane Runs– Two nested models – GFDL and HWRFTwo nested models – GFDL and HWRF– Run on demand to 126 hoursRun on demand to 126 hours

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Regional ModelsRegional Models Short range Regional Ensembles (SREF)Short range Regional Ensembles (SREF)

– 20 members run 4/day to 84 hours over North America20 members run 4/day to 84 hours over North America– Multiple model and physics cores used (40-45 km Multiple model and physics cores used (40-45 km

resolution)resolution) Real Time Mesoscale Analysis (RTMA)Real Time Mesoscale Analysis (RTMA)

– Hourly 5 km analysis covering continental USHourly 5 km analysis covering continental US Daily Real-time global SST (RTG SST HR) Daily Real-time global SST (RTG SST HR)

analysisanalysis– 1/12 deg latitude, longitude resolution – generated every 1/12 deg latitude, longitude resolution – generated every

day (22:30 UTC) using latest 24 h of real-time data. day (22:30 UTC) using latest 24 h of real-time data.

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Regional ModelsRegional Models Atlantic Ocean Forecast System (OFS)Atlantic Ocean Forecast System (OFS)

– Horizontal grid: Horizontal grid: 4-74-7 km in Gulf of Mexico and the East km in Gulf of Mexico and the East Coast of U.S.Coast of U.S.

– Bathymetry: ETOPO2 (NGDC)Bathymetry: ETOPO2 (NGDC)– Coastal boundary: blend of bathymetry and coastline Coastal boundary: blend of bathymetry and coastline

datasets (NGDC).datasets (NGDC).– Surface forcing: GFS (NCEP)Surface forcing: GFS (NCEP)– River outflow/runoff: blend of observations (US rivers River outflow/runoff: blend of observations (US rivers

USGS) and climatology (RIVDIS)USGS) and climatology (RIVDIS)– Open boundaries: T,S from climatology,Open boundaries: T,S from climatology,– SSH and barotropic velocity from tidal model (TPX06) and SSH and barotropic velocity from tidal model (TPX06) and

climatology.climatology.

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Most products from all of these modeling Most products from all of these modeling systems available via public web/ftp sitessystems available via public web/ftp sites

ftpprd.ncep.noaa.gov – /pub/data/nccf/com/ftpprd.ncep.noaa.gov – /pub/data/nccf/com/

tgftp.nws.noaa.gov – /SL.us008001/ST.opnl/tgftp.nws.noaa.gov – /SL.us008001/ST.opnl/

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Data RequestsData Requests

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Asia-Pacific Satellite DataAsia-Pacific Satellite DataUsed at NCEPUsed at NCEP

Currently Used:Currently Used: Low-density satellite derived visible and IR winds from GMS MTSAT Low-density satellite derived visible and IR winds from GMS MTSAT

(SATOB format) - used operationally in Global-GSI and NAM-GSI(SATOB format) - used operationally in Global-GSI and NAM-GSI COSMIC GPS Radio Occultation data (joint project between Taiwan COSMIC GPS Radio Occultation data (joint project between Taiwan

and US) - used operationally in Global-GSIand US) - used operationally in Global-GSI

Coming Soon:Coming Soon: High-density satellite derived visible and IR winds from GMS MTSAT High-density satellite derived visible and IR winds from GMS MTSAT

(BUFR format) - will replace above later this Fall in Global-GSI and (BUFR format) - will replace above later this Fall in Global-GSI and NAM-GSINAM-GSI

In Testing:In Testing: JMA profiler winds - still being tested but expect to use in futureJMA profiler winds - still being tested but expect to use in future Hong Kong profiler winds - still being tested but expect to use in futureHong Kong profiler winds - still being tested but expect to use in future High-density satellite derived water vapor winds from GMS MTSAT High-density satellite derived water vapor winds from GMS MTSAT

(BUFR format) - still being tested but may use in future(BUFR format) - still being tested but may use in future

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New Asia-Pacific Satellite Data New Asia-Pacific Satellite Data RequestsRequests

GPS-IPW (Integrated Precipitable Water) - GPS-IPW (Integrated Precipitable Water) - ground-based stations supposedly in Japan ground-based stations supposedly in Japan (US POC : [email protected])(US POC : [email protected])

Altimeter data (Jason-3 etc.) for sea surface Altimeter data (Jason-3 etc.) for sea surface height data and wave data. height data and wave data.

Products containing SST and surface wind Products containing SST and surface wind data as well as ocean color data data as well as ocean color data

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Non Satellite Data RequestsNon Satellite Data Requests

We are now receiving Korean AMDAR aircraft We are now receiving Korean AMDAR aircraft data data – Are there any other sources of AMDAR data that we are Are there any other sources of AMDAR data that we are

not currently receiving via GTS? not currently receiving via GTS? Surface mesoscale observation networks Surface mesoscale observation networks

(Mesonets) (Mesonets) RASS (Radar Acoustic Sounding System) RASS (Radar Acoustic Sounding System)

platforms in Japan – If availableplatforms in Japan – If available VAD (Velocity-Azimuth Display) winds from ground VAD (Velocity-Azimuth Display) winds from ground

based radarsbased radars

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Non Satellite Data RequestsNon Satellite Data Requests(continued)(continued)

JMA ensemble fields – NCEP needs to explore JMA ensemble fields – NCEP needs to explore with JMA the possibility of a real time data transfer with JMA the possibility of a real time data transfer option.option.

Mandatory and significant level data from CMA Mandatory and significant level data from CMA atmospheric rawinsondes atmospheric rawinsondes – Currently only receive significant levels for about 1/4 of Currently only receive significant levels for about 1/4 of

the available rawinsondes from CMAthe available rawinsondes from CMA

Additional rawinsondes from the Tibet plateauAdditional rawinsondes from the Tibet plateau Access to real time buoy data (wave info)Access to real time buoy data (wave info)

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Questions/CommentsQuestions/Comments

Contact Info:Contact Info:

Brent GordonBrent Gordon

NOAA/NWS/NCEPNOAA/NWS/NCEP

301-763-8000 x7193301-763-8000 x7193

[email protected]@noaa.gov

2020

AppendixAppendix

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New NCEP BuildingNew NCEP Building

After many years of planning and budget After many years of planning and budget negiotiations, NCEP is finally starting to negiotiations, NCEP is finally starting to build its new facility in College Park, MD.build its new facility in College Park, MD.

Occupancy to begin in Occupancy to begin in early 2009 with final early 2009 with final transition in Summer transition in Summer 20092009

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Production SuiteProduction Suite

NCEP plans to make significant changes to NCEP plans to make significant changes to its production suite over the next 10 yearsits production suite over the next 10 years

These changes will allow us to better use the These changes will allow us to better use the computing resources we have or expect to computing resources we have or expect to have.have.

Users of NCEP data and products will most Users of NCEP data and products will most notice this restructuring by the different times notice this restructuring by the different times our data and products become availableour data and products become available

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NCEP Production SuiteWeather, Ocean & Climate Forecast Systems

Version 3.0 April 9, 2004

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Documents

10 October 2007 Brent Gordon NCEP Central Operations “Where America’s Climate, Weather and Ocean Services Begin” Asia-Pacific Satellite Data Exchange &