Home


000
ABNT30 KNHC 011244
TWSAT

Monthly Tropical Weather Summary
NWS National Hurricane Center Miami FL
700 AM EST Fri Dec 1 2017

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

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

Overall activity in the Atlantic basin in 2017 was well above average, with 17 named storms, 10 hurricanes, and 6 major hurricanes. This compares to the long-term averages of 12 named storms, 6 hurricanes, and 3 major hurricanes. One unnamed tropical depression also formed in 2017.

In terms of Accumulated Cyclone Energy (ACE), which measures the combined strength and duration of tropical storms and hurricanes, preliminary data indicate that the 2017 season was the most active since 2005 and the 7th most active on record in the basin, behind 1933, 2005, 1893, 1926, 1995, and 2004.

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 TS Rina 6- 9 Nov 60
---------------------------------------------------


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

$$ Hurricane Specialist Unit

Preliminary Atlantic Tropical Cyclone Tracks
Preliminary Atlantic Tropical Cyclone Tracks

Home