Philippine Tropical Cyclone Attendee Guidance
| PSWS | LEAD TIME* (kph) | IMPACTS OF THE WIND |
|---|---|---|
| #1 | 36 | No damage to very light damage |
| #2 | 24 | Light to moderate damage |
| #3 | 18 | Moderate to heavy damage |
| #4 | 12 | Heavy to very heavy damage |
What is a signal 4 typhoon?
Tropical Cyclone Wind Signal #4 Storm surge 2-3m possible at coastal areas. DAMAGE TO STRUCTURE: Very heavy damage to high –risk structures. Heavy damage to medium risk structures; Moderate damage to low-risk structures.
What are the 3 typhoon signals?
Tropical cyclone warning signals
| Warning Signal | Meaning |
|---|---|
| TCWS #3 | winds of 121–170 km/h (74–105 mph) are prevailing or expected to occur within 18 hours |
| TCWS #4 | winds of 171–220 km/h (106–137 mph) are prevailing or expected to occur within 12 hours |
What are the three typhoon signals?
In 1970’s, the number of warning levels was reduced from 10 to three (3) using the three WMO tropical cyclone category as basis. The warning levels then are: PSWS #1: max winds <63 kph for Tropical Depression; PSWS #2: max winds 64 -117 kph for Tropical Storm; and PSWS #3: max winds >118 kph for Typhoon.
What is a signal number 5 typhoon called?
TCWS #5 – Tropical cyclone winds greater than 220 km/h (140 mph) are expected within 12 hours.
What is the meaning of Psws #4?
PSWS No. 4: The fourth storm warning signal indicates that a very intense typhoon with winds of more than 185 kph may be expected within at least 12 hours. The typhoon is potentially very destructive. Large trees are expected to be uprooted and residential and institutional buildings could be severely damaged.
What is the highest signal of typhoon?
The warning levels then are: PSWS #1: max winds <63 kph for Tropical Depression; PSWS #2: max winds 64 -117 kph for Tropical Storm; and PSWS #3: max winds >118 kph for Typhoon.
What is the strongest typhoon signal in the Philippines?
What is the meaning of Psws #5?
PSWS No. 5: tropical cyclone winds of more than 220 kph are expected within 12 hours.