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1971 Hurricane/Tropical Data for Northern Indian Ocean

Track Map

Individual Storm Summary

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

#NameDateWindPresCat 
1Unknown Storm #1 3- 8 MAY - - - 
2Unknown Storm #2 1- 4 JUN - - - 
3Unknown Storm #3 3- 8 JUN - - - 
4Unknown Storm #4 20-23 JUN - - - 
5Unknown Storm #5 15-22 JUL - - - 
6Unknown Storm #6 26-29 JUL - - - 
7Unknown Storm #7 7- 9 AUG - - - 
8Unknown Storm #8 30-31 AUG - - - 
9Unknown Storm #9 1- 1 SEP - - - 
10Unknown Storm #10 24-25 SEP - - - 
11Unknown Storm #11 27-30 SEP - - - 
12Unknown Storm #13 14-17 OCT - - - 
13Unknown Storm #14 26-31 OCT - - - 
14Unknown Storm #15 1- 1 NOV - - - 
15Unknown Storm #16 27-31 OCT - - - 
16Unknown Storm #18 3- 6 NOV - - - 
17Unknown Storm #19 14-21 DEC - - - 

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

Track Unknown Storm #19 (14-21 DEC)
Storm - TrackTracking information
Track Unknown Storm #18 (03-06 NOV)
Storm - TrackTracking information
Track Unknown Storm #16 (27-31 OCT)
Storm - TrackTracking information
Track Unknown Storm #15 (01-01 NOV)
Storm - TrackTracking information
Track Unknown Storm #14 (26-31 OCT)
Storm - TrackTracking information
Track Unknown Storm #13 (14-17 OCT)
Storm - TrackTracking information
Track Unknown Storm #11 (27-30 SEP)
Storm - TrackTracking information
Track Unknown Storm #10 (24-25 SEP)
Storm - TrackTracking information
Track Unknown Storm #9 (01-01 SEP)
Storm - TrackTracking information
Track Unknown Storm #8 (30-31 AUG)
Storm - TrackTracking information
Track Unknown Storm #7 (07-09 AUG)
Storm - TrackTracking information
Track Unknown Storm #6 (26-29 JUL)
Storm - TrackTracking information
Track Unknown Storm #5 (15-22 JUL)
Storm - TrackTracking information
Track Unknown Storm #4 (20-23 JUN)
Storm - TrackTracking information
Track Unknown Storm #3 (03-08 JUN)
Storm - TrackTracking information
Track Unknown Storm #2 (01-04 JUN)
Storm - TrackTracking information
Track Unknown Storm #1 (03-08 MAY)
Storm - TrackTracking information