Page 10 - Risk Management Bulletin April -June 2021

RMAI BULLETIN APRIL TO JUNE 2021

very heavy damages. The farmers may have to start assuming that Eye of the cyclone may pass over the
from scratch again. There would be a loss of income above location. Though Eye region is quiet with no
for 10 years or so apart from debris removal cost wind and rains, Eye wall surrounding the Eye has
and new plantation costs. highest wind speeds with gale winds and heaviest rain

Y Damage to crops depend on the time of cyclone fall. Further ahead of the Eye the winds blow in one
hitting the land and damages can vary direction while they are in exactly opposite direction
after the Eye passes over the structure. This results in
substantially, depending on whether it is sowing
twisting of the structure causing very heavy damages.
time or harvesting time.
Storm Surge Damages Flood Damages
It is necessary to carry out a location study to ascertain
Y Storm Surge may shake the foundation of
buildings leading to total loss. Hotels and resorts the damage potential. Past records of floods can help
are located on the sea fronts and may suffer heavy in recommending suitable loss prevention measures
specific to the location and in preparing a Disaster
damages.
management plan. Critical machines/equipment need
Y Storm surges cover a large area and contaminate special protection.
agricultural land. Desalination is required to be
done to make the land fit for agriculture and Storm Surges
involves considerable cost & time.
The construction of the properties may be avoided. If

Loss Prevention unavoidable then special precaution must be taken
while constructing and also in operation. The past
Wind Damages experience shows that highest life losses occurred in
Structures may be designed to stand wind forces the storm surges.

History of weather disturbances that hit the location

Severe Cyclonic Storms and Higher Intensity of Tropical Cyclones

This location falls under the Zone (IMD) West Bengal. Since 1891 to 2020 this location has faced the following
Tropical Cyclonic Storms causing damages and disruption to the communities within 272 km range :

Cyclone Name Cyclone Life Date of Sustained IMD Saffir- Munich Rainfall Storm Surge
Cycle Landfall Wind Scale Simpson Rewind (cm) (m)
Speeds Scale Hazard
(km/hr) Zone
WB November 24 to 27 26-11-1901 88 to 117 SCS 0 Zone 0 No Data No Data
1901 Nov. 1901 Available Available
Contai 76 08 to 13 11-09-1976 130 VSCS 2 Zone 0 Heavy 3
Sep. 1976
Aila 23 May to 26 25-05-2009 111 SCS 0 Zone 0 25 + 2 to 3
May 2009
Amphan 16-05-2020 to 2020-05-20 185 VSCS 1 Zone 1 7 to 21 5
21-05-2020
WB September 26 to 30 28-09-1937 88 to 117 SCS 0 - No Data No Data
1937 Sep. 1937 Available Available
WB July 1913 30 to 30 July 30-07-1913 88 to 117 SCS 0 Zone 0 No Data No Data
1913 Available Available
WB May 1932 23 to 25 May 24-05-1932 88 to 117 SCS 0 Zone 0 No Data No Data
1932 Available Available

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