1981 Hurricane/Tropical Data for Northern Indian Ocean

Individual Storm Summary

Winds in knots, pressure in millibars, category is based on Saffir-Simpson scale.

#NameDateWindPresCat 
1Tropical Storm #1 25 OCT- 2 NOV 60 - - 
2Cyclone #2 17-20 NOV 75 - 1 
3Cyclone #3 5-10 DEC 75 - 1 

Saffir-Simpson Scale

The chart color codes intensity (category based on Saffir-Simpson scale):

Type Category Pressure (mb) Winds
(knots)
Winds
(mph)
Line Color
Depression TD ----- < 34 < 39 Green
Tropical Storm TS ----- 34-63 39-73 Yellow
Hurricane 1 > 980 64-82 74-95 Red
Hurricane 2 965-980 83-95 96-110 Light Red
Hurricane 3 945-965 96-112 111-130 Magenta
Hurricane 4 920-945 113-135 131-155 Light Magenta
Hurricane 5 < 920 >135 >155 White

NOTE: Pressures are in millibars and winds are in knots where one knot is equal to 1.15 mph


Individual Storm Details

Tropical Storm #1 (25 OCT-02 NOV)
Storm - Max Winds: 60

Tracking information

Subtropical Storm #2 (17-20 NOV)
Storm - Max Winds: 75 Category: 1

Tracking information

Subtropical Storm #3 (05-10 DEC)
Storm - Max Winds: 75 Category: 1

Tracking information


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