1991 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 14-20 JAN 35 - - 
2Cyclone #2 22-30 APR 140 - 5 
3Tropical Storm #3 30 MAY- 3 JUN 50 - - 
4Tropical Storm #4 9-16 NOV 40 - - 

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 (14-20 JAN)
Storm - Max Winds: 35

Tracking information

Subtropical Storm #2 (22-30 APR)
Storm - Max Winds: 140 Category: 5

Tracking information

Tropical Storm #3 (30 MAY-03 JUN)
Storm - Max Winds: 50

Tracking information

Tropical Storm #4 (09-16 NOV)
Storm - Max Winds: 40

Tracking information


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