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Goa Weather
All India Weather
IMD Goa
Nowcast
NOWCAST ISSUED BY METEOROLOGICAL CENTRE, GOA
TIME OF ISSUE: 2305 hours Dated 25.09.2020
Moderate spells of rain is very likely to continue at many places over South goa district during next 2-3 hours.
Intense spells of short duration likely at isolated places. Rain is likely to be accompanied with thunder/lightning.
At 2305 hrs, rain bearing Clouds are present over all talukas of South Goa and clouds are approaching the coastlines of South Goa districts.Clouds are generally moving in the north east direction.
 

 

 

Impact & Response matrix for Thunderstorm

Category/Wind Speed

Structures

Communication & Power

Road/Rail

Agriculture

Suggested Actions

Light Thunderstorm <  41 kmph (21 knots)

Nil

Nil

Nil

Nil

Nil

Moderate thunderstorms 41-61 kmph (22-33 knots)

Minor damage to loose/unsecured structures

Nil

Some breaches in Kutcha road due to flooding

Minor damage to Banana trees. Damage to ripe paddy crops

People are advised to keep a watch on the weather for worsening conditions and be ready to move to safer places accordingly.

Severe Thunderstorms 62-87 kmph (34-47 knots)

Damage to thatched huts

Minor damage to power and communication lines due to breaking of branches

Major damage to Kutcha and minor damage to Pucca roads

Some damage to paddy crops, banana, papaya trees and orchards

People are advised to take shelter in pucca structures and avoid taking shelter under trees. Farming operations to be temporarily suspended during occurrence of events. Also move away from electric poles and wires.

Very severe Thunderstorms

Major damage to thatched houses/hut. Roof tops may blow off. Unattached metal sheets may fly.

Minor damage to power and communication lines.

Major damage to Kutcha and some damage to Pucca roads. Flooding of escape routes.

Breaking of tree branches, uprooting of large avenue trees. Moderate damage to banana and papaya trees. Large dead limbs blown from trees.

People are advised to stay away from weak walls and structures and take shelter in pucca structures. Peoples in affected areas to remain indoors and avoid water bodies and flying projectiles. Farming operations to be temporarily suspended during occurrence of event.

 

 

 

Impact matrix for Lightning

 

Lightning Threat Level

Threat Level Descriptions

High

"An high Threat to Life and Property from Lightning."

Within 12 miles of a location, a moderate likelihood of CG lightning (or 60% thunderstorm probability), with storms capable of excessive CG lightning.   

AND/OR...a  high likelihood of CG lightning (or 60% to 70% thunderstorm probability), with storms capable of frequent CG lightning.   

AND/OR...a  very high likelihood of CG lightning (or 80% to 90% thunderstorm probability), with storms capable of occasional CG lightning.

Moderate

"A moderate Threat to Life and Property from Lightning."

Within 12 miles of a location, a low likelihood of CG lightning (or 50% thunderstorm probability), with storms capable of excessive CG lightning.   

AND/OR...a moderate likelihood of CG lightning (or 50% thunderstorm probability), with storms capable of frequent CG lightning.   

AND/OR...a high likelihood of CG lightning (or 60% to 70% thunderstorm probability), with storms capable of occasional CG lightning.    

Low

"A low Threat to Life and Property from Lightning."

Within 12 miles of a location, a very low likelihood of CG lightning (or 40% thunderstorm probability), with storms capable of excessive CG lightning.   

AND/OR...a low likelihood of CG lightning (or 30% to 40% thunderstorm probability), with storms capable of frequent CG lightning.    

AND/OR...a moderate likelihood of CG lightning (or 50% thunderstorm probability), with storms capable of occasional CG lightning.    

 

Low cloud to ground Lightning probability ( < 30% probability of lightning occurrence).

Moderate cloud to ground Lightning probability (30 - 60% probability of lightning occurrence)

High cloud to ground Lightning probability ( > 60% probability of lightning occurrence)

 

 

 

 

 

 

 
 
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