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Monthly Atlantic Tropical Weather Summary



000
ABNT30 KNHC 011200
TWSAT 

Monthly Tropical Weather Summary
NWS National Hurricane Center Miami FL
800 AM EDT Fri Sep 01 2017

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

Four named storms and four hurricanes, two of which became major
hurricanes, formed in the Atlantic basin in August.  Based on a
30-year climatology (1981-2010), these numbers are above the
long-term averages of three named storms and two hurricanes.

In terms of the Accumulated Cyclone Energy (ACE), which measures the
combined strength and duration of tropical storms and hurricanes,
activity in the Atlantic basin so far in 2017 has been near average.

Reports on individual cyclones, when completed, are available at
the National Hurricane Center website at
www.hurricanes.gov/data/tcr/index.php?season=2017&basin=atl .

Summary Table

Name                 Dates         Max Wind (mph)
---------------------------------------------------
TS Arlene            19-21 Apr            50*
TS Bret              19-20 Jun            45
TS Cindy             20-23 Jun            60
TD Four               6- 7 Jul            30
TS Don               17-18 Jul            50
TS Emily         31 Jul- 1 Aug            45
H  Franklin           6-10 Aug            85
H  Gert              13-17 Aug           105
MH Harvey        17 Aug-                 130
MH Irma          30 Aug-                 115
---------------------------------------------------

* Denotes a storm for which the post-storm analysis is complete.

$$
Hurricane Specialist Unit


Preliminary Atlantic Tropical Cyclone Tracks
Preliminary Atlantic Tropical Cyclone Tracks