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1917 Atlantic hurricane season

1917 Atlantic hurricane season
1917 Atlantic hurricane season summary map.png
Season summary map
Seasonal boundaries
First system formed July 6, 1917
Last system dissipated October 20, 1917
Strongest storm
Name "Nueva Gerona"
 • Maximum winds 150 mph (240 km/h)
 • Lowest pressure 928 mbar (hPa; 27.4 inHg)
Seasonal statistics
Total depressions 9
Total storms 4
Hurricanes 2
Major hurricanes
(Cat. 3+)
2
Total fatalities 47 total
Total damage $170,000 (1917 USD)
Atlantic hurricane seasons
1915, 1916, 1917, 1918, 1919
Tropical storm (SSHWS)
Tropical Storm One surface analysis 12 Jul 1917.jpg 1917 Atlantic tropical storm 1 track.png
Duration July 6 – July 14
Peak intensity 50 mph (85 km/h) (1-min)  <1006 mbar (hPa)
Tropical storm (SSHWS)
Tropical Storm Two surface analysis 9 Aug 1917.jpg 1917 Atlantic tropical storm 2 track.png
Duration August 6 – August 10
Peak intensity 70 mph (110 km/h) (1-min)  <994 mbar (hPa)
Category 3 hurricane (SSHWS)
Hurricane Three surface analysis 4 Sept 1917.jpg 1917 Atlantic hurricane 3 track.png
Duration August 30 – September 5
Peak intensity 120 mph (195 km/h) (1-min)  <980 mbar (hPa)
Category 4 hurricane (SSHWS)
Hurricane Four surface analysis 25 Sept 1917.jpg 1917 Atlantic hurricane 4 track.png
Duration September 20 – September 30
Peak intensity 150 mph (240 km/h) (1-min)  928 mbar (hPa)

The 1917 Atlantic hurricane season featured nine known tropical cyclones, four of which made landfall. The first system appeared on July 6 east of the Windward Islands. After crossing the islands and traversing the Caribbean Sea, the storm struck Honduras, Belize, and Mexico, before dissipating on July 14. After more than three weeks without tropical cyclogenesis, another tropical storm developed west of Bermuda. As the storm brushed eastern New England, four ships sank near Nantucket, causing 41 fatalities. The same cyclone brought damaging winds to Nova Scotia before transitioning into an extratropical cyclone on August 10.

A hurricane developed over the central Atlantic Ocean on August 30 and ultimately affected Bermuda with heightened tides as it passed to the east. Elsewhere, the hurricane had little impact, becoming extratropical on September 5. After the third system, a series of four tropical depressions formed, but failed to become severe. The fourth hurricane brought devastation to Jamaica, Cuba, and portions of the Gulf Coast of the United States, especially western parts of the Florida Panhandle. Overall, the storm left six deaths and inflicted at least $170,000 (1917 USD) in damage.

The season's activity can be quantified in an accumulated cyclone energy (ACE) rating of 61. ACE is, broadly speaking, a measure of the power of the hurricane multiplied by the length of time it existed; therefore, storms that last a long time, as well as particularly strong hurricanes, have high ACE ratings.


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Wikipedia

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