HomeNewsUpdated: PAGASA Color-coded rainfall alert system
Updated: PAGASA Color-coded rainfall alert system
July 21, 2012
Effective August 9, here is the new color-coded rainfall alert system for Metro Manila
This morning at 8:30, PAGASA changed its color-coded warning signals, changing the green category (ALERT for possible evacuation) to orange. Here is a chart for reference.
Under the heavy rainfall warning system, a yellow warning is raised when the expected rainfall amount is between 7.5 mm to 15 mm within one hour and likely to continue.
Communities given this advisory are advised to be aware of the weather condition and warned that flooding may be possible in low-lying areas.
The orange alert is raised in areas where rainfall is between 15 mm to 30 mm within one hour. Flooding is a definite threat in communities under the green alert.
A red alert is issued when downpours constitute an emergency, Pagasa said. This is raised when observed rainfall is more than 30 mm within one hour or if rainfall has continued for the past three hours and is more than 65 mm.
When Pagasa raises this warning, communities should be prepared to respond. It means serious flooding is seen and that residents should be ready to evacuate to safety.
All these alert systems will be disseminated through SMS, Twitter, the Pagasa website and faxed advisories.
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Updated June 6, 2022