1. Ken.Knapp@noaa.gov International Best 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

2. Ken.Knapp@noaa.gov Overview Climate Perspective –IBTrACS Summary Data for analysis –NCDC Resources for Hurricane Research 3 Mar. 2011 Interdepartmental Hurricane Conference 2

3. Ken.Knapp@noaa.gov 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

4. Ken.Knapp@noaa.gov 28 Apr. 2008 4 Interdepartmental Hurricane Conference A balancing act… User needs Available Data Available Data Forecaster/ Analyst Time Forecaster/ Analyst Time BT Data

5. Ken.Knapp@noaa.gov IBTrACS: User perspective At the intersection of users and providers 3 Mar. 2011 Interdepartmental Hurricane Conference 5 IBTrACS Team RSMCs TCWCs Others RSMCs TCWCs Others IBTrACS Data IBTrACS Data Users Feedback Create data Data access Data providers Feedback

6. Ken.Knapp@noaa.gov 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

7. Ken.Knapp@noaa.gov 3 Mar. 2011 7 Interdepartmental 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 10733333442395 Parameters in use … WMO Parameters Position confidence 1 = good (<30nm; <55km) 2 = fair (30-60nm; 55-110 km) 3 = poor (>60nm; >110km) 9 = unknown Pressure quality 1=Aircraft or Dropsonde observation 2=Over water observation (e.g. buoy) 3=Over land observation 4=Dvorak estimate 5=Other ATCF

8. Ken.Knapp@noaa.gov 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, 40 AL, 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, 60 AL, 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, 60 AL, 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

9. Ken.Knapp@noaa.gov 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

10. Ken.Knapp@noaa.gov Browse IBTrACS 3 Mar. 2011 Interdepartmental Hurricane Conference 10

11. Ken.Knapp@noaa.gov Overview Climate Perspective –IBTrACS Summary Data for reanalysis –NCDC Resources for Hurricane Research 3 Mar. 2011 Interdepartmental Hurricane Conference 11

12. Ken.Knapp@noaa.gov 3 Mar. 2011 12 Interdepartmental 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 Ivan HR Jeanne HR Karl HR Lisa TY Tip Hurricane Satellite (HURSAT) Data

13. Ken.Knapp@noaa.gov Hurricane Satellite (HURSAT) Data 3 Mar. 2011 Interdepartmental Hurricane Conference 13

14. Ken.Knapp@noaa.gov 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

15. Ken.Knapp@noaa.gov 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

16. Ken.Knapp@noaa.gov 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

17. Ken.Knapp@noaa.gov 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