In July of 1967, as part of a reorganization of the National Hurricane Center (NHC), the Tropical Analysis Center, predecessor of the Tropical Analysis and Forecast Branch (TAFB), was formed. This reorganization, overseen by Dr. Bob Simpson who was scheduled to become NHC director the next year, also separated NHC from the Miami Weather Bureau […]
On July 25, 2002, Hurricane Elida in the eastern Pacific reached Category Five status when its winds reached 155 mph (250 km/hr). Elida became the first of three east Pacific Category Five hurricanes to form during that busy season. It was followed by Hurricane Hernan (which became a Cat 5 on sept. 1st) and then […]
You can read the paper at http://journals.ametsoc.org/doi/abs/10.1175/JTECH-D-16-0140.1.
Summary: Scatterometers are instruments on aircraft or satellites that are used to measure wind speed and direction at the ocean surface. In this follow-up to a 2016 study, the surface wind in tropical cyclones around the world are studied using a large set of measurements from 2000 to 2011. The impact of tropical cyclone intensity, […]
Read the entire article at http://onlinelibrary.wiley.com/doi/10.1002/2016JC012399/full.
Typhoon Vicente made landfall in Southern China late on 23 July, 2012, as a category-4 typhoon, the strongest to hit southern China in recent years. Six days earlier, an area of cloudiness east of the northern Philippines started to slowly organize. As it passed into the South China Sea, it gained enough intensity and organization […]
On 14 July, 1997, Tropical Storm Claudette was moving northeastward offshore the east coast of the US. Eager to test the new Gulfstream-IV (G-IV) jet aircraft and the new Global Positioning System dropwindsonde, the National Hurricane Center tasked the first-ever operational synoptic surveillance mission geared toward improving track forecasts. Initial condition differences in the […]
Dr. Brammer presented a seminar titled “Tropical Cyclogenesis from African Easterly Waves: Observations and Predictability”. A recording of the presentation is available on the anonymous ftp site: ftp://ftp.aoml.noaa.gov/pub/hrd/blog/seminars/2017/Brammer_HRD_Seminar_20170718.mp4
Intensity Forecast Experiment (IFEX) Program Director Paul Reasor and HRD Director Frank Marks briefed the Aircraft Operations Center (AOC) personnel at their brand new facility at Lakeland Linder Regional Airport on IFEX plans for 2017 and Hurricane Forecast Improvement Project progress, respectively. The two presentations are available in a .zip archive on the anonymous ftp […]
You can read about it at http://journals.ametsoc.org/doi/abs/10.1175/BAMS-D-16-0055.1.