Habagat: What do we need to know?

We have always been accustomed to the variability of weather — one or two days, it would be sunny and warm, then the next day, it becomes cloudy — giving way to some scattered rain showers and thunderstorms. These are attributed to the changes in annual temperature and zonal pressures are at play. In the Philippines, temperatures start to stabilize during the early months of June through July. This is right after the rains have become widely distributed particularly when the Southwest Monsoon, or what we popularly know as the “Habagat”, have become more dominant.

The Philippines is a predominantly agricultural country chiefly reliant on rains and equitable amount of sunshine. Contributing to this is the seasonal migration of monsoons – with the prevalence of Tropical Cyclones, which brings much-needed rainfall in many parts of the country. Being one of the secondary recipients of the Southwest Monsoon Current in Tropical Asia, the Philippines get the annual share of rainfall essential to growing crops that feed millions of consumers.

Normal rain distribution is but a crucial resource needed to nourish the land, restore the water table of the thirsty population, and bring back the greenery in the lowlands. With this varying rain conditions, it is essential for us to understand monsoons and their behavior.

Monsoon

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The monsoon is a seasonal rain and wind pattern that occurs over South Asia, among other places. According to William Lau, an Atmospheric Scientist from the University of Maryland in the United States, monsoons accost to more than 60 percent of the annual rainfall worldwide, where about the same percentile of the population worldwide live along regions where monsoons affect. A large portion of our global population rely heavily on monsoon rains for domestic or economic use, and this becomes one of the vulnerability of coastal states such as the Philippines, where much of the populace are situated along the immediate shores.

With the advance of the Habagat  during mid-June through September, Tropical Cyclones or “Bagyo” will enhance a steady warm of moist air mass coming from the Western Indian Ocean, the Andaman Sea and the Gulf of Thailand, thus, the incessant build up of rain-bearing clouds towards the West Philippine Sea, and the occasionally perennial severe flooring Filipinos are accustomed to.

Being an archipelagic region known for having vagaries in weather, there could be drastic changes in the Philippines as the new season begins. With this, we should all be ready not just with out rain gear, but with the mindset that it is now the time to be more wary of possible sudden changes in the weather. This will enable us to maximize knowledge and moving forward, building a #WeatherWiser nation we are aiming to achieve.


Interested in being #WeatherWiser? Contact us at weatehrwiser@weatherph.org.

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