24. What does it mean when PAGASA releases a PSWS #4?
A. Winds of 30-60 kph may be expected. B. There is a little threat of storm surges. C. A very intense typhoon will affect the locality. D. The locality will not likely be hit by the eye of the typhoon. nhanomena mauce the legat
PSWS #4 or commonly noted as Signal #4 in national television during a storm report has a wind speed of 171-220 kph may be expected in at least 12 hr which is very destructive.
Here is a few description from PAGASA when a Signal #4 hits an area
DAMAGE TO STRUCTURE:
Very heavy damage to high –risk structures.
Heavy damage to medium risk structures;
Moderate damage to low-risk structures
Considerable damage to structures of light materials (up to 75% are totally and partially destroyed); complete roof structure failures.
Many houses of medium-built materials are unroofed, some with collapsed walls; extensive damage to doors and windows
A few houses of first-class materials are partially damaged
