[email protected] International Best Track Archive for Climate Stewardship 3 Mar. 2011...
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![Page 1: Ken.Knapp@noaa.gov International Best Track Archive for Climate Stewardship 3 Mar. 2011 Interdepartmental Hurricane Conference 1 Ken Knapp Michael Kruk.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649de65503460f94ade724/html5/thumbnails/1.jpg)
InternationalBest Track Archive for Climate Stewardship
3 Mar. 2011 Interdepartmental Hurricane Conference 1
Ken Knapp
Michael Kruk
Howard Diamond
Ethan Gibney
Paula Hennon
Carl Schreck, III
NOAA/NCDC
Supporting historical hurricane research with data archived at NCDC
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Overview
• Climate Perspective– IBTrACS Summary
• Data for analysis– NCDC Resources for Hurricane Research
3 Mar. 2011 Interdepartmental Hurricane Conference 2
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Best track data:Perspective
• Better forecasts help protect today’s population and property
• Better climatologies can help build better cities to protect tomorrow’s population and property
28 Apr. 2008 Interdepartmental Hurricane Conference 3
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[email protected] 28 Apr. 2008 4Interdepartmental Hurricane Conference
A balancing act…
User needsUser needs AvailableData
AvailableData
Forecaster/AnalystTime
Forecaster/AnalystTime
BTData
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IBTrACS: User perspective
• At the intersection of users and providers
3 Mar. 2011 Interdepartmental Hurricane Conference 5
IBTrACS Team
IBTrACS Team
RSMCsTCWCsOthers
RSMCsTCWCsOthers
IBTrACSData
IBTrACSData UsersUsers
Feedback
Create data
Data access
Data providers
Feedback
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Feedback
• IBTrACS requested users to identify their needs
• Results…– Storm size information
• RMW, Wind radii, ROCI
– Higher temporal resolution • More the just 6 hourly• Landfall, maximum intensity, etc.
3 Mar. 2011 Interdepartmental Hurricane Conference 6
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[email protected] 3 Mar. 2011 7Interdepartmental Hurricane Conference
Storm name 11 Date 15 Time 15 latitude 15 longitude 15
max avg wind speed 14 central pressure 13 cyclone type 13 Wind Radii by quadrant 5 source code 4 RMW 4 RMW quality 3 pos_confidence 3 wind units 3 T-number 3 CI-number 2 time interval for ws avg 2 max gust 2 pressure quality 2 units of length 1 gust period 1 wind quality 1
ROCI 3 Eye diameter 3 Pressure _OCI 2
# of Variables provided from WMO 17 10 7 3 3 3 3 3 4 4 2 3 9 5
Parameters in use …W
MO
Par
amet
ers
Position confidence1 = good (<30nm; <55km)2 = fair (30-60nm; 55-110 km)3 = poor (>60nm; >110km)9 = unknown
Pressure quality1=Aircraft or Dropsonde observation2=Over water observation (e.g. buoy)3=Over land observation4=Dvorak estimate5=Other
ATCF
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ATCF
• More parameters will be opened to the public.
• Which parameters are best tracked?
• Providing more metadata helps users understand data.
28 Apr. 2008 Interdepartmental Hurricane Conference 8
AL, 10, 2008090200, , BEST, 0, 123N, 219W, 30, 1007, TD, 34, NEQ, 0, 0, 0, 0, 1012, 170, 30, 0, 0, L, 0, , 0, 0, INVEST, D, AL, 10, 2008090206, , BEST, 0, 127N, 232W, 35, 1005, TS, 34, NEQ, 30, 0, 0, 30, 1012, 180, 30, 40, 0, L, 0, , 0, 0, TEN, D, AL, 10, 2008090212, , BEST, 0, 130N, 242W, 35, 1005, TS, 34, NEQ, 30, 0, 0, 30, 1012, 180, 30, 45, 0, L, 0, , 0, 0, JOSEPHINE, D, 12, NEQ, 40, 0, 0, 40AL, 10, 2008090218, , BEST, 0, 133N, 253W, 45, 1000, TS, 34, NEQ, 50, 30, 30, 50, 1011, 180, 30, 55, 0, L, 0, , 0, 0, JOSEPHINE, D, 12, NEQ, 60, 0, 0, 60AL, 10, 2008090300, , BEST, 0, 135N, 263W, 50, 997, TS, 34, NEQ, 75, 75, 75, 50, 1011, 180, 45, 55, 0, L, 0, , 0, 0, JOSEPHINE, D, 12, NEQ, 60, 0, 0, 60AL, 10, 2008090300, , BEST, 0, 135N, 263W, 50, 997, TS, 50, NEQ, 25, 25, 0, 0, 1011, 180, 45, 55, 0, L, 0, , 0, 0, JOSEPHINE, D, 12, NEQ, 60, 0, 0, 60
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Latest IBTrACS news
• Providing…– More parameters– Data as reported
• Online browsing– Browse storms by year, name, Max Wind, …– CSC Historic Hurricane Track Mapper
28 Apr. 2008 Interdepartmental Hurricane Conference 9
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Overview
• Climate Perspective– IBTrACS Summary
• Data for reanalysis– NCDC Resources for Hurricane Research
3 Mar. 2011 Interdepartmental Hurricane Conference 11
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[email protected] 3 Mar. 2011 12Interdepartmental Hurricane Conference
HURSAT-AVHRR
• 1978-present
• 4km resolution
• ~12 hourly
• netCDF &
imagery
HURSAT-MW
• 1987-present
• ~ 25 km resolution
• ~ 12 hourly (or better)
• netCDF & imagery
HURSAT-B1• 1978-present• 8km resolution• 3 hourly• netCDF, imagery, &
MPG movies
GridSat• 1978-present, 70N-70S• 8km resolution• 3 hourly• netCDF
HR Mitch
HR Wilma HR IvanHR JeanneHR KarlHR Lisa
TY Tip
Hurricane Satellite (HURSAT) Data
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Hurricane Satellite (HURSAT) Data
3 Mar. 2011 Interdepartmental Hurricane Conference 13
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Scanning historical storm wallets• NCDC received 6200
pounds of storm wallets from U. Hawaii– From JTWC– 1523 wallets: 1966-1994
• Data are being scanned– Will be accessible online
when complete.– Will be similar to N.
Atlantic wallet scans
3 Mar. 2011 Interdepartmental Hurricane Conference 14
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We’re an archive:Boxes and boxes of data
• Redwood city data
• ICOADS (historical ship and buoy data)
• NEXRAD data and tools for visualization
3 Mar. 2011 Interdepartmental Hurricane Conference 15
971 mb
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We’re an archive
• What data exists that isn’t in an archive that should be?
• We have:– Multi-site backups– Can provide customer service access– New access methods
3 Mar. 2011 Interdepartmental Hurricane Conference 16
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Summary• IBTrACS
– Junction of BT users and data providers– Updated annually - “We provide what you provide”– More metadata from providers would help users
understand the BT data• Resources at NCDC
– IBTrACS – HURSAT– Scanning of historical documents– Discovery of historical documents– Can archive more hurricane data
28 Apr. 2008 Interdepartmental Hurricane Conference 17
Supporting historical hurricane research with data archived at NCDC