2021 Atlantic hurricane season (Isaac829's and Kiewii's)
First storm formed
May 29
Last storm dissipated
December 20
Strongest storm
Bill – 195 mph, 881 mbar
Total damages
$2.9 billion
The 2021 Atlantic hurricane season was the most active hurricane season since records began in 1851. 44 depressions, 35 named storms, 19 hurricanes and 13 major hurricanes developed during 2021. Despite the record active season, not many fatalities were recorded.
Seasonal forecasts [ ]
Source
Date
Named storms
Hurricanes Major hurricanes
TSR
December 1, 2020
18
10
5
WSI
December 14, 2020
18
8
4
CSU
April 1, 2021
21
12
7
TSR
April 15, 2021
20
11
7
TWC
April 20, 2021
25
10
5
UKMO
May 24, 2021
17
6
2
NOAA
May 24, 2021
18-24
11-16
6-9
FSU COAPS
May 30, 2021
25
12
8
CSU
June 1, 2021
24
12
6
TSR
June 6, 2021
25
12
7
NOAA
August 6, 2021
24-30
10-17
9-13
WSI
August 20, 2021
28
15
12
TSR
September 10, 2021
29
16
9
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
Actual activity
35
19
13
Storms [ ] Hurricane Ana [ ] Category 2 hurricane (SSHWS) Duration May 29 – June 2 Peak intensity 105 mph (165 km/h) (1-min) 985 mbar (hPa )
Hurricane Bill [ ] Category 5 hurricane (SSHWS) Duration June 27 – July 5 Peak intensity 195 mph (315 km/h) (1-min) 881 mbar (hPa )
Bill recorded the lowest air pressure of the season.
Hurricane Christobal [ ] Category 1 hurricane (SSHWS) Duration July 9 – July 12 Peak intensity 80 mph (130 km/h) (1-min) 980 mbar (hPa )
Tropical Storm Danny [ ] Tropical storm (SSHWS) Duration July 19 – July 26 Peak intensity 65 mph (100 km/h) (1-min) 994 mbar (hPa )
Tropical Storm Erika [ ] Tropical storm (SSHWS) Duration July 20 – July 24 Peak intensity 70 mph (110 km/h) (1-min) 992 mbar (hPa )
Tropical Storm Fred [ ] Tropical storm (SSHWS) Duration July 29 – August 1 Peak intensity 50 mph (85 km/h) (1-min) 1002 mbar (hPa )
Tropical Depression Seven [ ] Tropical depression (SSHWS) Duration July 31 – August 1 Peak intensity 35 mph (55 km/h) (1-min) 1009 mbar (hPa )
Main article: Tropical Depression Seven (2021)
Tropical Depression Eight [ ] Tropical depression (SSHWS) Duration August 3 – August 3 Peak intensity 35 mph (55 km/h) (1-min) 1014 mbar (hPa )
Tropical Depression Nine [ ] Tropical depression (SSHWS) Duration August 4 – August 5 Peak intensity 35 mph (55 km/h) (1-min) 1007 mbar (hPa )
Tropical Storm Grace [ ] Tropical storm (SSHWS) Duration August 8 – August 13 Peak intensity 65 mph (100 km/h) (1-min) 999 mbar (hPa )
Tropical Storm Henri [ ] Tropical storm (SSHWS) Duration August 11 – August 13 Peak intensity 40 mph (65 km/h) (1-min) 1003 mbar (hPa )
Hurricane Ida [ ] Category 1 hurricane (SSHWS) Duration August 14 – August 26 Peak intensity 75 mph (120 km/h) (1-min) 995 mbar (hPa )
Hurricane Julian [ ] Category 3 hurricane (SSHWS) Duration August 16 – August 22 Peak intensity 125 mph (205 km/h) (1-min) 949 mbar (hPa )
Earliest tenth storm of the season, beating Jose in 2005.
Hurricane Kate [ ] Category 5 hurricane (SSHWS) Duration August 18 – August 31 Peak intensity 175 mph (280 km/h) (1-min) 915 mbar (hPa )
Earliest 11th storm of the season, beating Katrina in 2005.
Hurricane Larry [ ] Category 5 hurricane (SSHWS) Duration August 20 – August 23 Peak intensity 160 mph (260 km/h) (1-min) 920 mbar (hPa )
Earliest 12th storm of the season, beating Luis of 1995.
Hurricane Mindy [ ] Category 5 hurricane (SSHWS) Duration August 24 – August 27 Peak intensity 165 mph (270 km/h) (1-min) 917 mbar (hPa )
Earliest 13th storm of the season, beating Maria and Lee of 2005 and 2011, respectively.
Hurricane Nicholas [ ] Category 4 hurricane (SSHWS) Duration August 29 – September 9 Peak intensity 145 mph (230 km/h) (1-min) 945 mbar (hPa )
Earliest 14th storm of the season, beating Nate of 2005.
Hurricane Odette [ ] Category 3 hurricane (SSHWS) Duration August 31 – September 5 Peak intensity 115 mph (185 km/h) (1-min) 966 mbar (hPa )
Earliest 15th storm of the season, beating Ophelia and Nate of 2005 and 2011, respectively.
Tropical Storm Peter [ ] Tropical storm (SSHWS) Duration September 2 – September 17 Peak intensity 70 mph (110 km/h) (1-min) 996 mbar (hPa )
Earliest 16th storm of the season, beating Philippe of 2005.
Tropical Storm Rose [ ] Tropical storm (SSHWS) Duration September 3 – September 6 Peak intensity 60 mph (95 km/h) (1-min) 1000 mbar (hPa )
Tropical Storm Sam [ ] Tropical storm (SSHWS) Duration September 4 – September 7 Peak intensity 70 mph (110 km/h) (1-min) 984 mbar (hPa )
Tropical Depression Twenty-Two [ ] Tropical depression (SSHWS) Duration September 5 – September 6 Peak intensity 30 mph (45 km/h) (1-min) 1010 mbar (hPa )
Tropical Depression Twenty-Three [ ] Tropical depression (SSHWS) Duration September 6 – September 8 Peak intensity 35 mph (55 km/h) (1-min) 1007 mbar (hPa )
Tropical Depression Twenty-Four [ ] Tropical depression (SSHWS) Duration September 8 – September 9 Peak intensity 35 mph (55 km/h) (1-min) 1010 mbar (hPa )
Tropical Storm Teresa [ ] Tropical storm (SSHWS) Duration September 9 – September 12 Peak intensity 60 mph (95 km/h) (1-min) 999 mbar (hPa )
Tropical Storm Victor [ ] Tropical storm (SSHWS) Duration September 10 – September 13 Peak intensity 40 mph (65 km/h) (1-min) 1005 mbar (hPa )
Tropical Storm Wanda [ ] Tropical storm (SSHWS) Duration September 12 – September 16 Peak intensity 60 mph (95 km/h) (1-min) 997 mbar (hPa )
Hurricane Alpha [ ] Category 2 hurricane (SSHWS) Duration September 14 – September 21 Peak intensity 110 mph (175 km/h) (1-min) 979 mbar (hPa )
Hurricane Beta [ ] Category 4 hurricane (SSHWS) Duration September 19 – September 26 Peak intensity 155 mph (250 km/h) (1-min) 935 mbar (hPa )
Hurricane Gamma [ ] Category 5 hurricane (SSHWS) Duration September 23 – October 2 Peak intensity 160 mph (260 km/h) (1-min) 924 mbar (hPa )
Hurricane Delta [ ] Category 3 hurricane (SSHWS) Duration September 27 – October 3 Peak intensity 115 mph (185 km/h) (1-min) 954 mbar (hPa )
Hurricane Epsilon [ ] Category 2 hurricane (SSHWS) Duration October 1 – October 5 Peak intensity 105 mph (165 km/h) (1-min) 976 mbar (hPa )
Hurricane Zeta [ ] Category 4 hurricane (SSHWS) Duration October 3 – October 11 Peak intensity 130 mph (215 km/h) (1-min) 951 mbar (hPa )
Tropical Storm Eta [ ] Tropical storm (SSHWS) Duration October 8 – October 12 Peak intensity 70 mph (110 km/h) (1-min) 988 mbar (hPa )
Tropical Storm Theta [ ] Tropical storm (SSHWS) Duration October 14 – October 20 Peak intensity 65 mph (100 km/h) (1-min) 994 mbar (hPa )
Tropical Storm Iota [ ] Tropical storm (SSHWS) Duration October 19 – October 23 Peak intensity 50 mph (85 km/h) (1-min) 998 mbar (hPa )
Tropical Depression Thirty-Seven [ ] Tropical depression (SSHWS) Duration October 28 – October 31 Peak intensity 35 mph (55 km/h) (1-min) 1007 mbar (hPa )
Tropical Depression Thirty-Eight [ ] Tropical depression (SSHWS) Duration November 3 – November 5 Peak intensity 35 mph (55 km/h) (1-min) 1008 mbar (hPa )
Tropical Depression Thirty-Nine [ ] Tropical depression (SSHWS) Duration November 10 – November 13 Peak intensity 35 mph (55 km/h) (1-min) 1013 mbar (hPa )
Hurricane Kappa [ ] Category 1 hurricane (SSHWS) Duration November 16 – November 20 Peak intensity 85 mph (140 km/h) (1-min) 975 mbar (hPa )
Tropical Storm Lambda [ ] Tropical storm (SSHWS) Duration November 18 – November 21 Peak intensity 60 mph (95 km/h) (1-min) 997 mbar (hPa )
Hurricane Mu [ ] Category 5 hurricane (SSHWS) Duration November 24 – November 30 Peak intensity 160 mph (260 km/h) (1-min) 929 mbar (hPa )
Hurricane Nu [ ] Category 3 hurricane (SSHWS) Duration November 28 – December 5 Peak intensity 125 mph (205 km/h) (1-min) 945 mbar (hPa )
Tropical Storm Xi [ ] Tropical storm (SSHWS) Duration December 16 – December 20 Peak intensity 70 mph (110 km/h) (1-min) 998 mbar (hPa )
Accumulated Cyclone Energy [ ]
ACE (104 kt2 ) – Storm:
1
66.8325
Kate
12
3.2475
Grace
2
30.5075
Nicholas
13
2.2225
Fred
3
21.2675
Bill
14
0.2450
Henri
4
16.6050
Joaquin
15
0.00
Storm
5
13.7425
Ida
16
0.00
Storm
6
13.075
Mindy
17
0.00
Storm
7
11.81
Larry
18
0.00
Storm
8
9.7425
Peter
19
0.00
Storm
9
9.09
Odette
20
0.00
Storm
10
5.7650
Ana
21
0.00
Storm
11
5.0270
Danny
22
0.00
Storm
12
4.09
Christobal
23
0.00
Storm
13
4.06
Erika
24
0.00
Storm
Total=217.3295
