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64 th Interdepartmental Hurricane Conference. 2009 Central Pacific Hurricane Season and 2010 Changes. Jim Weyman, Director Central Pacific Hurricane Center. Central Pacific 2009 Hurricane Season. Seven tropical cyclones occurred Greater than the long-term average of 4 to 5

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64 th interdepartmental hurricane conference
64th Interdepartmental Hurricane Conference

2009 Central Pacific Hurricane Season and 2010 Changes

Jim Weyman, Director

Central Pacific Hurricane Center

central pacific 2009 hurricane season
Central Pacific 2009 Hurricane Season
  • Seven tropical cyclones occurred
    • Greater than the long-term average of 4 to 5
    • Three hurricanes, one of them major
    • Three tropical storms
    • One tropical depression
central pacific 2009 hurricane season1
Central Pacific 2009 Hurricane Season
  • Three formed in basin, four moved in from east
  • Six of the cyclones occurred in very late July and in August, with the other in October
  • No fatalities or significant damages
slide4

MH Neki

18-26 Oct

H Guillermo

16-19 Aug

H Felicia

8-11 Aug

TS Maka

10-12 Aug

TS Lana 30 Jul – 3 Aug

TS Hilda 23-27 Aug

TD Two-C

28-29 Aug

2009 Central North Pacific Tropical Cyclone Tracks (Preliminary)

(dates within the basin)

felicia highlights
Felicia Highlights
  • Extensive public and media attention
  • Air Force C-130s and NOAA G-IV tasked
  • Tropical storm watches issued for portions of Hawaii, but no tropical storm warnings
  • Wind speed/intensity probabilities used
felicia highlights1
Felicia Highlights
  • Remnants produced heavy rains and some flooding in Hawaii
    • 3 to 6 inches widespread across several islands
    • Maximum rainfall near 14 inches on Kauai and Oahu
    • Flash floods on Oahu
slide11

MH Neki

18-26 Oct

H Guillermo

16-19 Aug

H Felicia

8-11 Aug

TS Maka

10-12 Aug

TS Lana 30 Jul – 3 Aug

TS Hilda 23-27 Aug

TD Two-C

28-29 Aug

2009 Central North Pacific Tropical Cyclone Tracks (Preliminary)

(dates within the basin)

hurricane neki highlights
Hurricane Neki Highlights
  • Peak intensity 105 knots (category 3)
  • Only major hurricane in in 2009
  • Hurricane watch for Johnston Island
  • Hurricane watches and warnings for portions of Northwestern Hawaiian Islands
hurricane neki highlights1
Hurricane Neki Highlights
  • Evacuations via NOAA ship and Coast Guard C-130
  • Impacted the area as a strong tropical storm
  • No impacts in main Hawaiian Islands
2009 cphc operational changes
2009 CPHC Operational Changes
  • Lead times for tropical storm and hurricane watches and warnings extended to 48 and 36 hours
  • Experimental color-coded Graphical Tropical Weather Outlook (Low, Medium, and High)
cphc and fema hurricane course
CPHC and FEMA Hurricane Course

April 2009

23-25 February 2010

catastrophic hurricane plan
Catastrophic Hurricane Plan

4A, 4B

2A, 2B

5A

3A, 3B

1A, 1B, 1C, 1D, 1E

new for 2010
New for 2010
  • Tropical Cyclone Public Advisory Format Changed – More Readable
  • …Headline
  • …Tropical Cyclone Summary
  • …Watches and Warnings
  • …Discussion and 48-Hour Outlook
  • …Hazards Affecting Land
  • …Next Advisory
new for 20101
New for 2010

Tropical Weather Outlook

  • Issued at 0200, 0800,1400, and 2200 HST
    • Three hours earlier than previously
  • Probabilities of Development in Percentages Low (0 – 20%), Medium (30-50%), and High (60-100%)
slide20
Questions?

James.weyman@noaa.gov

808-973-5272