Hurricane Season ACE Above Average

Hurricane Nate Satellite October 7 2017_1516395432466.jpg.jpg

It’s been an active hurricane season and it’s not over yet. Hurricane season ends at the end of November. As of November 1st, there have been 16 named storms. Ten of them became hurricanes. Six of those became major hurricanes (category 3 or above). Two of the hurricanes reached category 5 status.

Another way that meteorologists measure tropical storm activity is by how much energy the storms use. You might hear of ACE– that’s Accumulated Cyclone Energy. ACE accounts for the changes in strength over the full lifespan of a tropical cyclone (tropical storm or hurricane).

Here are some stats from the National Hurricane Center as of November 1: 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.

NameDatesMax Wind
TS Arlene19-21 Apr50 mph
TS Bret19-20 Jun45 mph
TS Cindy20-23 Jun60 mph
TD Four5- 7 Jul30 mph
TS Don17-18 Jul50 mph
TS Emily31 Jul- 1 Aug45 mph
H  Franklin6-10 Aug85 mph
H  Gert13-17 Aug105 mph
MH Harvey17 Aug- 1 Sep130 mph
MH Irma30 Aug-12 Sep185 mph
MH Jose5-22 Sep155 mph
H  Katia5- 9 Sep105 mph
MH Lee15-30 Sep115 mph
MH Maria16-30 Sep175 mph
H  Nate4- 9 Oct90 mph
MH Ophelia9-15 Oct115 mph
TS Philippe28-29 Oct60 mph

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