October 2016 Atlantic Tropical Storm Summary from the National Hurricane Center – Issued November 1, 2016

On November 1, 2016, the National Hurricane Center (NHC) issued its latest monthly report on the Atlantic tropical storm season, for the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico; that report is available online at http://www.nhc.noaa.gov/text/MIATWSAT.shtml.  On that day, there were no tropical cyclones in the Atlantic basin and none were expected within the next five days (see the 2-day and 5-day Graphical Tropical Outlooks, available at the National Hurricane Center Web site, http://www.nhc.noaa.gov/).

Following is an excerpt from the monthly report for October: “One named storm, Nicole, formed in the Atlantic basin in September, and it went on to become a major hurricane.  Matthew, which formed in September, maintained major hurricane strength into October.  Based on a 30-year (1981-2010) climatology, two named storms typically form in the Atlantic basin in October, with one becoming a hurricane.  A major hurricane forms in October about once every other year.  In terms of Accumulated Cyclone Energy (ACE), which measures the combined strength and duration of tropical storms and hurricanes, activity in the basin so far in 2016 is above normal.  The ACE through the end of October is about 62 percent above the 1981-2010 median value to date.”

Also from the report for October 2016, here is the NHC’s list of all tropical depressions, tropical storms, and hurricanes this year through July, with their dates of occurrence and maximum wind speeds (abbreviations: H = hurricane; MH = major hurricane; TD = tropical depression; TS = tropical storm):

H Alex – Jan. 13-15 – 85 mph
TS Bonnie – May 27-June 4 – 45 mph
TS Colin – June 5-7 – 50 mph
TS Danielle – June 19-21 – 45 mph
H Earl – Aug. 2-6 – 80 mph
TS Fiona – Aug. 17-23 – 50 mph
MH Gaston – Aug 22-Sep. 3 – 120 mph
TD Eight – Aug. 28-Sep 1 – 35 mph
TS Hermine – Aug 28-Sep. 3 – 80 mph
TS Ian – Sep. 12-16 – 60 mph
TS Julia – Sep. 13-19 – 40 mph
TS Karl – Sep. 14-25 – 70 mph
TS Lisa – Sep. 19-25 – 50 mph
MH Matthew – Sep. 28-Oct. 9 – 160 mph
MH Nicole – Oct. 4-18 – 130 mph

When completed, reports on individual 2016 storms (including tracks) will be available online at http://www.nhc.noaa.gov/data/tcr/index.php?season=2016&basin=atl.


NHC’s graph of preliminary (subject to verification) tracks of the first four Atlantic tropical storms and hurricanes in 2016, accessed at http://www.nhc.noaa.gov/text/MIATWSAT.shtml, 11/1/16.


October 6, 2016, 8:45 a.m. EDT satellite photo of Hurricane Matthew (category 3 at the time), centered over the Bahamas; and Tropical Storm Nicole, in the Atlantic east of the Bahamas.  Photo accessed at the National Oceanic and Atmospheric Administration (NOAA) Web site at http://www.goes.noaa.gov/browsh.html, on 10/6/16, 9:00 a.m. EDT.  NOTE: Z, or Greenwich Mean Time, shown on the photo is 4 hours ahead of EDT and 5 hours ahead of EST.


Cumulative wind history of Hurricane Matthew for 9/28/16 through 10/9/16 (period covered by Public Advisories 1 through 47).  Graphic taken from the National Hurricane Center, online at http://www.nhc.noaa.gov/graphics_at4.shtml?5-daynl#contents, accessed 11/1/16, 8:00 a.m. EDT.

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