March 1, 20101 64 th Interdepartmental Hurricane Conference Jim Weyman, Director Central Pacific Hurricane Center 2009 Central Pacific Hurricane Season.

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Presentation transcript:

March 1, th Interdepartmental Hurricane Conference Jim Weyman, Director Central Pacific Hurricane Center 2009 Central Pacific Hurricane Season and 2010 Changes

March 1, Central Pacific 2009 Hurricane Season  Seven tropical cyclones occurred Greater than the long-term average of 4 to 5 Greater than the long-term average of 4 to 5 Three hurricanes, one of them major Three hurricanes, one of them major Three tropical storms Three tropical storms One tropical depression One tropical depression

March 1, 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

March 1, TS Lana 30 Jul – 3 Aug MH Neki Oct TS Hilda Aug H Felicia 8-11 Aug TS Maka Aug TD Two-C Aug 2009 Central North Pacific Tropical Cyclone Tracks (Preliminary) (dates within the basin) H Guillermo Aug

March 1, CENTRAL PACIFIC HURRICANE SEASON (NAMED STORMS ONLY, WITHIN THE BASIN ONLY) NAMEDATES MAX WINDS (MPH) DIRECT DEATHS U.S. DAMAGE ($ million) TS LANA 30 JUL-3 AUG6500 H FELICIA 8-11 AUG90 (1)00 TS MAKA AUG4000 H GUILLERMO AUG80 (1)00 TS HILDA AUG6500 H NEKI OCT120 (3)00

March 1, 20106

7 Felicia Images

March 1, 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

March 1, Felicia Highlights  Remnants produced heavy rains and some flooding in Hawaii 3 to 6 inches widespread across several islands 3 to 6 inches widespread across several islands Maximum rainfall near 14 inches on Kauai and Oahu Maximum rainfall near 14 inches on Kauai and Oahu Flash floods on Oahu Flash floods on Oahu

March 1, Hurricane Neki – 105 knots

March 1, TS Lana 30 Jul – 3 Aug MH Neki Oct TS Hilda Aug H Felicia 8-11 Aug TS Maka Aug TD Two-C Aug 2009 Central North Pacific Tropical Cyclone Tracks (Preliminary) (dates within the basin) H Guillermo Aug

March 1, 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

March 1, 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

March 1,

March 1, 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)

March 1, CPHC and FEMA Hurricane Course April February 2010

March 1, Catastrophic Hurricane Plan 1A, 1B, 1C, 1D, 1E 5A 3A, 3B 4A, 4B 2A, 2B

March 1, 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

March 1, New for 2010 Tropical Weather Outlook  Issued at 0200, 0800,1400, and 2200 HST Three hours earlier than previously Three hours earlier than previously  Probabilities of Development in Percentages Low (0 – 20%), Medium (30- 50%), and High (60-100%)

March 1, Questions?