Studied by 0 people
30-60 kph in 36 hours
Light to minimal damage to structures
signal no 1
61-120 kph
Moderate damage to structures
signal no 2
121-170 kph
Heavy damage to buildings power and communication lines
signal no 3
171-220 kph
Very heavy damage to most structures
signal no 4
More than 220 kph
Catastrophic damage. Severe impact on communities
signal no 5
Note 
Flashcard (34)