1998 Hurricane/Tropical Data for Northern Indian Ocean

Individual Storm Summary

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

#NameDateWindPresCat 
1Cyclone #1 13-20 MAY 70 - 1 
2Tropical Storm #2 27-29 MAY 35 - - 
3Cyclone #3 1- 9 JUN 105 - 3 
4Tropical Storm #4 28 SEP- 1 OCT 35 - - 
5Tropical Storm #5 15-18 OCT 35 - - 
6Cyclone #6 13-16 NOV 85 - 2 
7Cyclone #7 16-23 NOV 75 - 1 
8Cyclone #8 11-17 DEC 65 - 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

Subtropical Storm #1 (13-20 MAY)
Storm - Max Winds: 70 Category: 1

Tracking information

Tropical Storm #2 (27-29 MAY)
Storm - Max Winds: 35

Tracking information

Subtropical Storm #3 (01-09 JUN)
Storm - Max Winds: 105 Category: 3

Tracking information

Tropical Storm #4 (28 SEP-01 OCT)
Storm - Max Winds: 35

Tracking information

Tropical Storm #5 (15-18 OCT)
Storm - Max Winds: 35

Tracking information

Subtropical Storm #6 (13-16 NOV)
Storm - Max Winds: 85 Category: 2

Tracking information

Subtropical Storm #7 (16-23 NOV)
Storm - Max Winds: 75 Category: 1

Tracking information

Subtropical Storm #8 (11-17 DEC)
Storm - Max Winds: 65 Category: 1

Tracking information


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