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Tim Drum Senior Meteorologist WeatherBug Professional Services [email protected] 2009 Atlantic Hurricane Season Forecast. April 2, 2009. Hurricane Ike, NOAA. Review of 2008 Season Forecast. 2008 Season Forecast. Forecast Numbers: 10-12 named Storms

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2009 atlantic hurricane season forecast

Tim Drum

Senior Meteorologist

WeatherBug Professional Services

[email protected]

2009 Atlantic Hurricane Season Forecast

April 2, 2009

Hurricane Ike, NOAA

slide3

2008 Season Forecast

Forecast Numbers:

  • 10-12 named Storms
  • 4-6 Tropical Storms should reach Hurricane status
  • 2-4 Hurricanes of Major Category III classification
  • Net Tropical Cyclone Activity (NTCA) near 100% of normal

16

8

5

164%

slide10

SST Anomalies – Atlantic 3/28/09

Slightly cooler than average

still midway through projected warm ocean phase that is expected to last 10 more years
Still midway through projected WARM ocean phase that is expected to last ~ 10 more years.

Atlantic Multi-decadal Oscillation

enso cycle
ENSO Cycle

La Nina Example - 1988

El Nino Example - 1997

slide17
Going back to 1950, look at a weak La Nina followed by a neutral or weak El Nino.

Establishing Data Set Method

  • Focus on the seasons from above that also occurred during the “warm” phase of the AMO
slide18

Weak La Nina To Neutral Years(ONI)

Averages:

  • 10.5 Storms (10.1)
  • 6.2 Hurricanes (5.9)
  • 2.5 Major Hurricanes (2.5)
slide19

Weak La Nina + WarmAMO Years

Averages:

  • 11.2 Storms (10.1)
  • 6.6 Hurricanes (5.9)
  • 3.6 Major Hurricanes (2.5)
african dust
African Dust

Played a significant role in mitigating tropical cyclone development in 2006 & 2007 and part of 2008.

african rainfall
African Rainfall

Near average rainfall forecast over the northern Sahel region may lead to dust “outbreaks” again, this season.

summary of forecast points

La Nina conditions in EPAC to weaken, especially for the second half of the season.

  • Statistics from previous near neutral ENSO + AMO years weigh heavily toward reduced activity from last year.
Summary of Forecast Points
  • Conditions over western Africa mean additional dust outbreaks over the central and eastern tropical Atlantic.
slide25

2009 Atlantic Hurricane Season Forecast

  • 11-13 named storms (10.1 avg.)
  • 6-8 hurricanes (5.9 avg.)
  • 3-4 major hurricanes: winds 111+ mph (2.5 avg.)
  • Net Tropical Cyclone Activity (NTCA):
  • near 130% of normal.
cme group hurricane contracts
CME Group HurricaneContracts
  • 3 Different types of Hurricane Contracts
  • 6 Different locations for Hurricane Contracts
    • Event Futures, Options, Event Binary Options
      • Based upon named Hurricanes making landfall anywhere in the Eastern US or reaching the CHI-Cat-in-a-box Galveston-Mobile area
    • Seasonal Futures, Options, Seasonal Binary Options
      • Based upon the accumulated CHI value for allHurricanesthat make landfall within a specific season
    • Seasonal Maximum Futures, Options, Seasonal Maximum Binary Options, Seasonal Maximum 2nd Event Binary Options
      • Based on the CHI value of thelargest Hurricane to make landfall within a specific season
cme group hurricane contract locations
CME Group HurricaneContract Locations
  • Gulf Coast (Brownsville TX to AL/FL Border)
  • Florida (AL/FL Border to Fernandina Beach, FL)
  • Southern Atlantic (Fernandina Beach, FL to NC/VA Border)

Coast

  • Northern Atlantic (NC/VA Border to Eastport, ME)

Coast

  • Eastern US (Brownsville, TX to Eastport, ME)
  • Gulf & Florida (Brownsville, TX to Fernandina Beach, FL)
  • CHI-Cat-in-a-Box (Galveston-Mobile area)
cme group hurricane contract specifications
CME Group Hurricane Contract Specifications

Standard Contracts:

  • Contract: $1000 times the respective CME Hurricane Index
  • Tick Size: 0.1 CHI Index Point
  • Tick Value: 0.1 CHI Index point which equals $100
  • Hours: Sunday through Thursday from 5.00p.m. to 3.15p.m. Chicago time
  • Available: Throughout the hurricane season from January 1 through December 31

Binary Contracts:

  • Contract: $10,000 times the respective CME Hurricane Index
  • Tick Value: 0.01 CHI Index point which equals $1
  • Hours: Sunday through Thursday from 5.00p.m. to 3.15p.m. Chicago time
  • Available: Throughout the hurricane season from January 1 through December 31
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