1965–66 South-West Indian Ocean cyclone season

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1965–66 South-West Indian Ocean cyclone season
1965–66 South-West Indian Ocean cyclone season summary.png
Season summary map
Seasonal boundaries
First system formedAugust 9, 1965
Last system dissipatedMay 1, 1966
Strongest storm
NameIvy
 • Maximum winds220 km/h (140 mph)
(1-minute sustained)
 • Lowest pressure925 hPa (mbar)
Seasonal statistics
Total depressions17
Total storms12
Tropical cyclones6
Total fatalities3
Total damageUnknown
South-West Indian Ocean tropical cyclone seasons
1963–64, 1964–65, 1965–66, 1966–67, 1967–68

The 1965–66 South-West Indian Ocean cyclone season was a near average season, despite beginning unusually early on August 9 with the formation of an early-season tropical depression, Anne.

Seasonal summary[]

Tropical cyclone scales#Comparisons across basins

Systems[]

Tropical Depression Anne[]

Tropical disturbance (MFR)
Tropical depression (SSHWS)
Temporary cyclone south.svg Anne 1965 track.png
DurationAugust 9 – August 15
Peak intensity45 km/h (30 mph) (10-min)  1000 hPa (mbar)

Anne existed from August 9 to August 15.

Tropical Depression Brenda[]

Tropical depression (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Brenda 1965 track.png
DurationAugust 16 – August 18
Peak intensity55 km/h (35 mph) (10-min)  997 hPa (mbar)

Brenda existed from August 16 to August 18.

Tropical Cyclone Alice[]

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
Temporary cyclone south.svg Alice 1965 track.png
DurationNovember 30 – December 5
Peak intensity130 km/h (80 mph) (10-min)  964 hPa (mbar)

Alice existed from November 30 to December 5.

Severe Tropical Storm Claude[]

Severe tropical storm (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Claude 1965 track.png
DurationDecember 24 – January 10
Peak intensity95 km/h (60 mph) (10-min)  984 hPa (mbar)

Claude existed from December 24 to January 10.

Tropical Cyclone Carol–Daisy[]

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
Temporary cyclone south.svg Carol-Daisy 1965 track.png
DurationDecember 25 – January 2
Peak intensity120 km/h (75 mph) (10-min)  968 hPa (mbar)

Carol-Daisy formed on December 25, entered the basin on January 1 and dissipated the next day.

Tropical Cyclone Denise[]

Tropical cyclone (MFR)
Category 2 tropical cyclone (SSHWS)
Temporary cyclone south.svg Denise 1966 track.png
DurationJanuary 2 – January 11
Peak intensity150 km/h (90 mph) (10-min)  949 hPa (mbar)

On January 7, Cyclone Denise passed north of Mauritius, producing wind gusts of 170 km/h (110 mph). Later, the storm crossed over Réunion, dropping record rainfall. Over a 24-hour period, Denise dropped 1,825 mm (71.9 in) of rainfall at Foc Foc, Réunion, of which 1,144 mm (45.0 in) fell over 12 hours; both precipitation totals are the highest recorded worldwide for their respective durations. Over 48 hours, precipitation totaled 2,230 mm (88 in) at Bras Sec. The heavy rains caused flooding that killed three people, and caused severe road and crop damage.[1][2][3]

Tropical Cyclone 13S[]

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
Temporary cyclone south.svg 13S 1966 track.png
DurationJanuary 11 – January 14
Peak intensity95 km/h (60 mph) (10-min)  984 hPa (mbar)

13S existed briefly from January 11 to January 14.

Tropical Disturbance 17S[]

Tropical disturbance (MFR)
Tropical depression (SSHWS)
Temporary cyclone south.svg 17S 1966 track.png
DurationJanuary 16 – January 19
Peak intensity45 km/h (30 mph) (10-min)  1000 hPa (mbar)

17S existed from January 16 to January 19.

Tropical Depression Evelyn[]

Tropical depression (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Evelyn 1966 track.png
DurationJanuary 19 – January 20
Peak intensity55 km/h (35 mph) (10-min)  997 hPa (mbar)

Evelyn existed from January 19 to January 20.

Tropical Depression Francine[]

Tropical depression (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Francine 1966 track.png
DurationJanuary 30 – February 1
Peak intensity55 km/h (35 mph) (10-min)  997 hPa (mbar)

Francine existed from January 30 to February 1.

Moderate Tropical Storm Germaine[]

Moderate tropical storm (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Germaine 1966 track.png
DurationFebruary 14 – February 17
Peak intensity65 km/h (40 mph) (10-min)  994 hPa (mbar)

Germaine existed from February 14 to February 17.

Moderate Tropical Storm Hilary[]

Moderate tropical storm (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Hilary 1966 track.png
DurationFebruary 20 – February 23
Peak intensity65 km/h (40 mph) (10-min)  944 hPa (mbar)

Hilary existed from February 20 to February 23.

Intense Tropical Cyclone Ivy[]

Intense tropical cyclone (MFR)
Category 4 tropical cyclone (SSHWS)
Temporary cyclone south.svg Ivy 1966 track.png
DurationMarch 3 – March 12
Peak intensity195 km/h (120 mph) (10-min)  925 hPa (mbar)

Ivy existed from March 3 to March 12.

Moderate Tropical Storm Martha–Judith[]

Moderate tropical storm (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Martha-Judith 1966 track.png
DurationMarch 3 (entered basin) – March 8
Peak intensity75 km/h (45 mph) (10-min)  991 hPa (mbar)

Judith was the tenth cyclone of the season and was formed in the Australian basin on February 23.

Tropical Cyclone Nancy–Kay[]

Tropical cyclone (MFR)
Category 2 tropical cyclone (SSHWS)
Temporary cyclone south.svg Nancy-Kay 1966 track.png
DurationMarch 17 – March 29
Peak intensity150 km/h (90 mph) (10-min)  954 hPa (mbar)

Tropical Cyclone Nellie[]

Tropical cyclone (MFR)
Category 2 tropical cyclone (SSHWS)
Temporary cyclone south.svg Nellie 1966 track.png
DurationMarch 23 (entered basin) – March 24 (exited basin)
Peak intensity140 km/h (85 mph) (10-min)  958 hPa (mbar)

Nellie was formed in the Australian basin and existed from March 21 to 23.

Moderate Tropical Storm Lily[]

Moderate tropical storm (MFR)
Tropical storm (SSHWS)
Temporary cyclone south.svg Lily 1966 track.png
DurationApril 22 – May 1
Peak intensity65 km/h (40 mph) (10-min)  944 hPa (mbar)

Lily existed from April 22 to May 1.

See also[]

  • Atlantic hurricane seasons: 1965, 1966
  • Eastern Pacific hurricane seasons: 1965, 1966
  • Western Pacific typhoon seasons: 1965, 1966

References[]

  1. ^ Chris Landsea. "Subject: E4) What are the largest rainfalls associated with tropical cyclones?". Frequently Asked Questions. Hurricane Research Division. Retrieved February 16, 2019.
  2. ^ "1966 Denise" (in French). Meteo France. Retrieved February 16, 2019.
  3. ^ Tropical Storm Denise, 2–11 March. National Climatic Data Center (Report). Global tropical/extratropical cyclone climatic atlas. 1996. Retrieved February 16, 2019.
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