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ABNT30 KNHC 011241
TWSAT

MONTHLY TROPICAL WEATHER SUMMARY
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EST THU DEC 01 2016

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

One named storm, Otto, which became a hurricane, formed in the Atlantic basin in November. Based on a 30-year (1981-2010) climatology, a named storm forms in the basin in November in about 7 out of 10 years, with a hurricane forming about once every other year.

For the 2016 season, 15 named storms formed, of which 7 became hurricanes, and 3 became major hurricanes. One unnamed depression also formed in the basin. The number of named storms and hurricanes in 2016 was above the long-term averages of 12 and 6, respectively. The season total of major hurricanes matched the long-term average of 3.

In terms of Accumulated Cyclone Energy (ACE), which measures the combined strength and duration of tropical storms and hurricanes, activity in the basin for 2016 was above normal. Overall, the ACE for the season was about 40 percent above the 1981-2010 median value. It is noteworthy that just three cyclones, Matthew, Gaston, and Nicole, produced more than 70 percent of the seasonal ACE, while many of this year's other cyclones were relatively weak and/or short lived.

Reports on individual cyclones, when completed, are available at the National Hurricane Center website at www.nhc.noaa.gov/data/tcr/index.php?season=2016&basin=atl .

Summary Table

Name Dates Max Wind (mph)
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H Alex 12-15 Jan 85* TS Bonnie 27 May- 4 Jun 45* TS Colin 5- 7 Jun 50 TS Danielle 19-21 Jun 45* H Earl 2-6 Aug 80 TS Fiona 16-23 Aug 50* MH Gaston 22 Aug- 3 Sep 120 TD Eight 28 Aug- 1 Sep 35 H Hermine 28 Aug- 3 Sep 80 TS Ian 12-16 Sep 60 TS Julia 14-18 Sep 40 TS Karl 14-25 Sep 70 TS Lisa 19-25 Sep 50 MH Matthew 28 Sep- 9 Oct 160 MH Nicole 4-18 Oct 130 H Otto 21-26 Nov 110
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* Denotes a storm for which the post-storm analysis is complete.

$$ Hurricane Specialist Unit

Preliminary Atlantic Tropical Cyclone Tracks
Preliminary Atlantic Tropical Cyclone Tracks

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