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1984 Atlantic hurricane season

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The 1984 Atlantic hurricane season began on June 1st, 1984 and ended November 30th, 1984.


Seasonal forecasts

Source Date Named

storms

Hurricanes Major

hurricanes

NOAA May 2, 1984 6 2 1
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
Actual activity 5 4 3


Season Summary

Storms

Storms
C4 Arthur
C1 Bertha
TD Three
C5 Cesar
TS Diana
C4 Edouard
TD Seven

Hurricane Arthur

Category 4 hurricane (SSHWS)
Hurricane Greta 1978.jpg Hurricane Arthur (1984 - Track).jpg
Duration July 31 – August 10
Peak intensity 140 mph (220 km/h) (1-min)  939 mbar (hPa)


Hurricane Bertha

Category 1 hurricane (SSHWS)
Ana jul 18 1985 1841Z.jpg Hurricane Bertha (1984 - Track).jpg
Duration August 14 – August 20
Peak intensity 80 mph (130 km/h) (1-min)  981 mbar (hPa)


Tropical Depression Three

Tropical depression (SSHWS)
Weak TS Isabel (1985).jpg Tropical Depression Three (1984 - Track).jpg
Duration August 31 – September 2
Peak intensity 35 mph (55 km/h) (1-min)  1004 mbar (hPa)


Hurricane Cesar

Category 5 hurricane (SSHWS)
IDA 1958.png Hurricane Cesar (1984 - Track).jpg
Duration September 10 – September 24
Peak intensity 160 mph (260 km/h) (1-min)  925 mbar (hPa)


Tropical Storm Diana

Tropical storm (SSHWS)
Hurricane Cindy (1981).JPG Tropical Storm Diana (1984 - Track).jpg
Duration September 30 – October 4
Peak intensity 65 mph (100 km/h) (1-min)  989 mbar (hPa)


Hurricane Edouard

Category 4 hurricane (SSHWS)
Hurricane Harvey Sept 14 1981 1821Z.jpg Hurricane Edouard (1984 - Track).jpg
Duration October 31 – November 10
Peak intensity 145 mph (230 km/h) (1-min)  934 mbar (hPa)


Tropical Depression Seven

Tropical depression (SSHWS)
TD1-L 19 jul 1980 1800Z.jpg Tropical Depression Seven (1984 - Track).jpg
Duration December 24 – December 25
Peak intensity 35 mph (55 km/h) (1-min)  1003 mbar (hPa)






Timeline

wikipedia:Saffir-Simpson Hurricane Scale


Storm names

The following names will be used to name tropical and subtropical cyclones in the 1984 season.

  • Arthur
  • Bertha
  • Cesar
  • Diana
  • Edouard
  • Fran (unused)
  • Gustav (unused)
  • Hortense (unused)
  • Isidore (unused)
  • Josephine (unused)
  • Klaus (unused)
  • Lili (unused)
  • Marco (unused)
  • Nana (unused)
  • Omar (unused)
  • Paloma (unused)
  • Rene (unused)
  • Sally (unused)
  • Teddy (unused)
  • Vicky (unused)
  • Wilfred (unused)


Accumulated Cyclone Energy (ACE) Rating

ACE (104 kt2) – Storm: Source
1 30.0 Cesar 12 0.00 Storm
2 21.5 Edouard 13 0.00 Storm
3 20.0 Arthur 14 0.00 Storm
4 8.17 Bertha 15 0.00 Storm
5 5.49 Diana 16 0.00 Storm
6 0.00 Storm 17 0.00 Storm
7 0.00 Storm 18 0.00 Storm
8 0.00 Storm 19 0.00 Storm
9 0.00 Storm 20 0.00 Storm
10 0.00 Storm 21 0.00 Storm
11 0.00 Storm 22 0.00 Storm
Total=85.16

ACE is the result of a storm's winds multiplied by how long it lasted for, so storms or subtropical storms (Originally not included up until 2012) that at lasted a long time , as well as particularly strong hurricanes , have higher ACE totals. Tropical Depressions are not included in season total.


Season effects

This is a table of the storms and their effects in the 1987 Atlantic hurricane season. This table includes the storm's names, duration, peak intensity, Areas affected (bold indicates made landfall in that region at least once), damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but are still storm-related. Damage and deaths include totals while the storm was extratropical, a wave or a low. All of the damage figures are in 2015 USD (the listed damage figure is in millions).

1987 North Atlantic tropical cyclone statistics
Storm
name
Dates active Storm category

at peak intensity

Max 1-min
wind
mph (km/h)
Min.
press.
(mbar)
Areas affected Damage
(millions USD)
Deaths


Arthur July 31 – August 10 Category 4 hurricane 140 (220) 939 Mexico 500 48
Bertha August 14 – August 20 Category 1 hurricane 80 (130) 981 Newfoundland, Nova Scotia 10 5
Three August 31 – September 2 Tropical depression 35 (55) 1004 US East Coast (Florida) 5 3
Cesar Septemer 10 – September 24 Category 5 hurricane 160 (260) 925 None None 0
Diana September 30 – October 4 Tropical storm 65 (100) 989 Azores Minor 0
Edouard October 31 – November 10 Category 4 hurricane 145 (230) 934 Bermuda 10 4
Seven December 24 – December 25 Tropical depression 35 (55) 1003 None 0 0

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