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HRD Monthly Science Meeting of December 2013

December’s Science meeting had 4 presentations: Eric Uhlhorn – Inflow Asymmetries in Sheared Hurricanes Jun Zhang – Asymmetric hurricane boundary layer structure in relation to the environmental wind shear Xuejin Zhang – Binary TC interaction Kathryn Sellwood – Proposed diagnostics for evaluating HWRF model processes: Balance, Stability, suggestions? The presentations are available on the anonymous ftp site as a zip archive at: ftp://ftp.aoml.noaa.gov/hrd/pub/blog/meetings/2013/science/HRD_Scimeet_20131212.zip

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HRD Monthly Science Meeting of November 2013

November’s  Science meeting had 6 presentations: John Kaplan – Impact of Large-Scale Vertical Shear on Tropical Cyclone Rapid Intensification in the North Atlantic basin Altug Aksoy – HEDAS Cases in 2013 Sim Aberson – 2013 HEDAS performance Evan Forde – Atlantic Basin Seasonal Genesis: Location & Number of Storms (1987-2008) Rob Rogers – Convective bursts and Earl’s Rapid Intensification Joe Cione – Using inner […]

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HRD marks the end of the 2013 hurricane season

The 2013 Atlantic hurricane season officially ends on Saturday, November 30.  The season was very inactive, having the fewest hurricanes since 1982, and ranks as the sixth-least-active Atlantic hurricane season since 1950.  Despite this, HRD had a very active year in gathering data for research and assimilation into numerical models to improve forecasts. Tail Doppler […]

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25th Anniversary of Bangladesh Cyclone

On November 29, 1988 a severe tropical cyclone struck Bangladesh with approximately 125 mph winds and a 5-10 foot storm surge.  With an estimated 2000 people killed, it was the worst tempest to ravage this storm-plagued area since the 1970 Bhola cyclone. During its early stages, it brought heavy rains to Indonesia, Malaysia, and Thailand […]

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101st Birthday of Bob Simpson

On November 19, 1912, Robert Homer Simpson was born in Corpus Christi, Texas. A pioneer in the field of hurricane science, Bob Simpson carried out research missions “piggybacked” on Air Force reconnaissance flights in the late 1940s and early 1950s. He wrote the plan establishing the National Hurricane Research Project in 1955 and became its […]

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20th anniversary of Arabian Sea Cyclone

  Northern Indian Ocean cyclone 01A 1993      Sometimes a tropical cyclone doesn’t have to make landfall in order to cause destruction.  On Nov. 15, 1993 a Very Severe Cyclone in the Arabian Sea approached the coast of Pakistan, but dissipated before coming ashore.  Nevertheless, its rains brought heavy flooding to Karachi and the Thatta […]

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270th anniversary of the ‘Eclipse’ hurricane

On November 2, 1743 a severe storm struck the American colonies from Virginia northward.  The storm might have been a late-season hurricane or strong midlatitude cyclone.  It provided some essential insights into the way the weather works. Jonathan Winthrop Harvard Science Department For example, Harvard Professor Jonathan Winthrop recorded the dip in pressure as the […]

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