Indian Climate - Wind Pattern in Thandalam

Wind Pattern in Thandalam


Windrose of Thandalam shows that dominant wind blow from the NE much of the time - about 12.47% of all hourly wind directions. Approximately 2.24% (max) of the time the wind blows from the NE at speeds between 2 and 3 m/s. Further, at Thandalam much of the time winds blow at speeds between 2 and 3 m/s - which is 32.87% of the time. About 0.72% of time winds were CALM i.e. wind speeds less then 0.5m/s.

NE[12.5%]

Dominant Direction

2-3m/s

Speed Range

3.1m/s

average speed

0.72%

calm

The annual wind rose below showing how wind speed and direction are typically distributed in Thandalam.


This table shows the frequency and speed of wind blowing from each direction in Thandalam.

Table of Frequencies (%)


Table of Frequencies (%)
Direction < 0.5 0.5-1.0 1.0-2.0 2.0-3.0 3.0-4.0 4.0-5.0 > 5.0 Total
N 0.00 0.18 1.69 1.64 0.32 0.23 0.37 4.43
NNE 0.05 0.18 0.96 2.01 1.46 0.68 0.46 5.80
NE 0.14 0.09 1.37 5.11 3.52 1.60 0.64 12.47
ENE 0.05 0.00 1.69 4.84 1.83 0.41 0.14 8.96
E 0.05 0.09 0.78 2.37 0.73 0.41 0.05 4.48
ESE 0.00 0.00 1.00 2.24 0.82 0.50 0.09 4.65
SE 0.00 0.05 1.23 2.10 1.55 0.59 0.05 5.57
SSE 0.00 0.05 1.23 2.37 2.60 1.87 0.18 8.30
S 0.00 0.18 1.10 1.74 1.74 1.10 0.14 6.00
SSW 0.05 0.14 1.37 2.24 2.10 1.42 0.14 7.46
SW 0.05 0.05 0.96 2.01 2.15 0.78 0.05 6.05
WSW 0.05 0.09 0.78 1.74 2.37 2.05 1.19 8.27
W 0.05 0.05 0.46 1.46 2.88 3.20 2.79 10.89
WNW 0.00 0.32 0.27 0.41 0.55 0.73 1.37 3.65
NW 0.09 0.09 0.32 0.32 0.23 0.23 0.05 1.33
NNW 0.14 0.14 0.73 0.27 0.32 0.05 0.14 1.79
Total 0.72 1.70 15.94 32.87 25.17 15.85 7.85 100

The graph below shows the minimum, maximum and average wind speed, m/s over the year in Thandalam.