000
ABNT30 KNHC 011139
TWSAT
Monthly Tropical Weather Summary
NWS National Hurricane Center Miami FL
800 AM EDT Wed Nov 1 2017
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
Three named storms formed in the North Atlantic basin in October,
and two of these became hurricanes, with Ophelia reaching major
hurricane strength. Based on a 30-year climatology (1981-2010),
activity was above normal in the number of named storms, hurricanes
and major hurricanes. In terms of the Accumulated Cyclone Energy
(ACE), which measures the combined strength and duration of tropical
storms and hurricanes, October 2017 was about 40 percent more active
than an average October from 1981-2010.
From a seasonal perspective, activity in the Atlantic basin so far
in 2017 is well above average. In terms of ACE, the 2017 season is
the 5th most active on record to date in the basin, behind 1893,
1926, 1933, and 2005.
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 5- 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- 1 Sep 130
MH Irma 30 Aug-12 Sep 185
MH Jose 5-22 Sep 155
H Katia 5- 9 Sep 105
MH Lee 15-30 Sep 115
MH Maria 16-30 Sep 175
H Nate 4- 9 Oct 90
MH Ophelia 9-15 Oct 115
TS Philippe 28-29 Oct 60
---------------------------------------------------
* Denotes a storm for which the post-storm analysis is complete.
$$
Hurricane Specialist Unit |
