review of the 2012 central pacific tropical cyclone season and verification
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Review of the 2012 Central Pacific Tropical Cyclone Season and Verification. National Weather Service Central Pacific Hurricane Center Honolulu, Hawaii. Interdepartmental Hurricane Conference March 2013. Tom Evans Deputy Director, CPHC. - PowerPoint PPT PresentationTRANSCRIPT
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Review of the 2012Central Pacific Tropical Cyclone Season
and Verification
Review of the 2012Central Pacific Tropical Cyclone Season
and Verification
Interdepartmental Hurricane Conference March 2013
Interdepartmental Hurricane Conference March 2013
National Weather ServiceCentral Pacific Hurricane Center
Honolulu, Hawaii
National Weather ServiceCentral Pacific Hurricane Center
Honolulu, Hawaii
Tom EvansDeputy Director, CPHCTom EvansDeputy Director, CPHC
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Neutral ENSO Conditions Kept Equatorial Pacific Slightly Warmer for the 2012 Tropical Cyclone Season
Neutral ENSO Conditions Kept Equatorial Pacific Slightly Warmer for the 2012 Tropical Cyclone Season
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Colder than normal Temperatures Around the Islands
Colder than normal Temperatures Around the Islands
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Hurricane Daniel July 4-12
Hurricane Daniel July 4-12
• Formed in Eastern Pacific on July 4• Crossed into Central Pacific on July 11• Max intensity 100 knots on July 8• Max intensity in Central Pacific 30 knots on July 11• Three tropical cyclone forecast packages issued by
CPHC.
• Formed in Eastern Pacific on July 4• Crossed into Central Pacific on July 11• Max intensity 100 knots on July 8• Max intensity in Central Pacific 30 knots on July 11• Three tropical cyclone forecast packages issued by
CPHC.
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Central Pacific Tropical Cyclone SeasonCentral Pacific Tropical Cyclone Season
• 1970 to 2012: 177 Tropical Cyclones–37% Hurricanes–30% Tropical Storms–33% Tropical Depressions
• Central Pacific Average per Year–4-5 Tropical Cyclones
• Third Consecutive Season with Only One Tropical Cyclone
• 1970 to 2012: 177 Tropical Cyclones–37% Hurricanes–30% Tropical Storms–33% Tropical Depressions
• Central Pacific Average per Year–4-5 Tropical Cyclones
• Third Consecutive Season with Only One Tropical Cyclone
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January
February
March April
May
JuneJuly
August
September
October
November
December
0
10
20
30
40
50
60
70
80
20 1 1 0 1
44
69
37
17
3 2
Central Pacific Tropical Cyclones 1970-2012
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Central Pacific Tropical Cyclones 1970-201219
7019
7219
7419
7619
7819
8019
8219
8419
8619
8819
9019
9219
9419
9619
9820
0020
0220
0420
0620
0820
1020
12
0
2
4
6
8
10
12
4
6
7
2
3
0
4
0
7
0
2 2
10
6
5
8
7
4
5
4 4
3
11
5
11
1
2
9
3 3
4 4
5
2
3 3
5
2
1
7
1 1 1
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0
50
100
150
200
250
300
350
400
450
500
CPHC Tropical Cyclone Track Forecast Five Year Running Mean Error
12 Hour ForecastLinear (12 Hour Forecast)24 Hour Forecast36 Hour Forecast48 Hour Forecast72 Hour Forecast
Year
Posi
tion
Erro
r (N
M)
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Aloha !Aloha !