Thursday, August 11, 2022
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Weather Public Storm Warning Signal # 1


Public Storm Warning Signal # 1


A WINDS STORM: 30-60 kph can be expected within at least 36 hours

SEA CONDITIONS (Open Sea)
Wave Height 1.25-4.0 meters

DAMAGE TO STRUCTURE:

Very little and no harm to structures with high risk,

Medium to light with low risk structure

A little damage to houses made of extremely lightweight materials or structures that are exposed in communities.

DAMAGE TO VEGETATION:

A few banana plants have been tilted some are downed, and the leaves tend to be damaged

Twigs of small trees could be damaged.

However, rice crops can be severely damaged when they are in their blooming phase.

Public Storm Warning Signal # 2

Winds: 61-120 kph could be expected to arrive within 24 hours
SEA CONDITIONS (Open Sea)
Wave Height:4.1-14.0 m
Potential for storm surges in the coast.

DAMAGE TO STRUCTURE:

Damages ranging from moderate to light structures with high risk;

Light to moderate structure damage;

There is no structures with low risk

Unshielded, disused schoolhouses, shanties that are made-to-measure and other structures made that are made of light materials have been partially damaged or not roofed.

A few old galvanized iron (G.I.) roofs can be removed or blown away.

A few old, wooden electric posts are slanting or lowered.

A little damage to badly constructed signs/billboards.

DAMAGE TO VEGETATION:

The majority of banana plants and a few mango trees, and ipil-ipiland like trees have been destroyed or damaged.

Coconut trees can be tilted , with a handful of others damaged.

Corn and rice could be negatively affected.

A significant amount of damage has been done to shrubs and trees due to some heavily-foliaged trees being cut down.

Public Storm Warning Signal # 3

A WINDS STORM: 121-170 kph can be expected within 18 hours
SEA CONDITIONS (Open Sea)
Wave Height more than 14.0 meters
Possible storm surge at the coast.

DAMAGE TO STRUCTURE:

High-risk structures are at risk of being damaged by heavy damage;

Moderate damageto medium-risk structures;

Light damage to structures with low risk

A growing threat to damage to dilapidated, old housing structures and homes made that are made of light materials (up up to 50% within the case of a community)

Homes made of medium-strength materials (old wood, timber or mixed timber-CHB structures, typically equipped with G.I. roofings) Warehouses, some warehouses and Bodega-type structures are not roofed.

DAMAGE TO VEGETATION:

Most banana plants are destroyed Some of the biggest trees (acacia and mango, etc.) are broken or sunk,

The dwarf or hybrid varieties of coconut are turned or cut down

A significant amount of damage to trees and trees that have heavy foliage taken off; huge trees were blown over.

Public Storm Warning Signal #4

Winds: 171-220 kph could be expected within at least 12 hours
SEA CONDITIONS (Open Sea)Wave Height: More than 14.0 meters
Possible storm surge of 2-3m in the coast.
DAMAGE TO STRUCTURE:

Extremely severe damage to high-risk structures.

Medium risk structures; heavy damage to structures;

Moderate damage to structures with low risk

A significant amount of damages to structures constructed composed of lightweight materials (up to 75% of them are entirely or completely destroyed) Roof structure malfunctions.

Many homes built of medium-built materials are not roofed and have walls that are collapsed and severe damage to windows and doors

A few buildings made of first-class materials have been partially damaged

All billboards/signs are destroyed.

DAMAGE TO VEGETATION:


There is nearly total damage to banana plantationsMost mango trees Ipil-ipil, and other similar varieties of trees are damaged or damaged.Coconut plantation may suffer extensive damage.Corn plantation and rice can suffer huge losses.Public Storm Warning Signal #5Winds: > 220 kph could be expected within at least 12 hours
The possibility of a Super Typhoon will affect the location.
SEA CONDITIONS (Open Sea)
Wave Height greater than 14.0 M
More than 3 meters could be possible in locations along the coast


DAMAGE TO STRUCTURE:

A wide-spread adversity to high-risk structuresVery serious damage to moderate-risk structuresHigh-risk structures are at risk of being damaged by heavy damage;A near total loss to light structures in areas of coastal exposure.A complete roof failure has occurred on a number of homes and industrial structures. Extreme and extensive damage to doors and windowsMost institutional and residential buildings constructed in mixed construction could be badly damaged.

The distribution of electrical power and communications services were severely interrupted.All billboards and signs blownDAMAGE TO VEGETATION:Total damage to banana plantationsThe majority of tall trees are damaged downrooted, defoliated or uprooted;Coconut tree are damaged, stooped or downrooted.A few trees and plants have survived

Footnotes:

If any Public Storm Warning Signal Number is erected or put into operation for the first time meteorological conditions that correspond to it aren’t yet in effect over the area.┬áThis is due to the fact that the goal for the warning signal is alert that the event is imminent for the meteorological conditions that are specified.┬áIt is important to note that the estimated lead time to estimate the range of winds with each specific signal is only valid after the date the particular signal is put into force for the first time.┬áTherefore, the meteorological conditions can be predicted to last at least 36 hours after PSWS #1 is in initial effect; minimum 24 hours with PSWS #2; minimum 18 hours with PSWS #3, minimum 12 hours with PSWS #4, and at least 12 hours in PSWS #5.┬á

The lead time decreases with the subsequent editions of the bulletin, as long as the signal number is in place as the tropical cyclone moves closer.It is also essential to keep in mind that tropical cyclones can be found moving; usually toward to the Philippines when PAGASA issues the warning. So it is possible that it is possible that the Public Storm Warning Signal Number for a affected or threatened location could be upgraded or reduced. 

That means PSWS #1 could updated up to PSWS #2, then to PSWS #3 and finally, to PSWS #4 when the intensity of a storm is approaching, or downgraded as the typhoon moves away.

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