Update for Typhoon #ChedengPH

UPDATE ON TYPHOON MAYSAK (‪#‎ChedengPH‬)
April 2, 2015



As of 04:00PM, April 2, 2015, Typhoon CHEDENG (Maysak) slowed down as it moved from 19 kph West-Northwest to 15 kph Northwest but maintained its strength of 175 kph maximum sustained winds and gustiness of up to 210 kph. It was estimated based on all available data at 970 km East Southeast of Virac, Catanduanes (13.0˚N, 133.2˚E).


Due to this development, PAGASA will be raising Public Storm Warning Signal (PSWS) #1 later this evening instead of this afternoon over Bicol provinces. Once PSWS #1 is hoisted, sea travel over these areas will be suspended.
TY CHEDENG is expected to weaken further as it moves slowly towards the eastern seaboard of Luzon.

It is estimated to make landfall over the eastern coast of Aurora - Isabela area by Sunday late morning (April 5) and exit PAR over Ilocos Sur area by Monday afternoon (April 6).

Moderate to Heavy rainfall is expected within 150-200 km radius of the typhoon.
Storm surges and sea surface waves of less than 3 meters are possible over the eastern coasts of Quezon, Aurora and Isabela.

It is advised to refrain from outdoor activities particularly along beaches of eastern Luzon starting Saturday.

What to expect during Holy Week (April 2– 5, 2015)
Thursday – Friday (April 2-3):
• Eastern Luzon will experience good weather today and tomorrow.
• Basically fair weather (warm and humid) with the possibility of isolated rainshowers or thunderstorms is expected over the central and western sections of the country until Friday.

Saturday & Sunday (April 4 - 5):
• Rains and gusty winds will be experienced over eastern coast of Luzon and stormy weather is expected over Central-Northern Luzon by Sunday.
• Greater Metro Manila Area will have occasional rains and gusty winds while the rest of the country will have warm and humid condition.
• Rough to very rough sea conditions will prevail over the eastern seaboard of Luzon, hence dangerous to all sea vessels.

This outlook will be updated when significant changes in the weather pattern occurs.




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Typhoon Jose Update

At 10:00 PM today, the eye of Typhoon "JOSE" was located based on all available data at 940 km East of Casiguran, Aurora (15.9ºN, 132.0ºE) with maximum sustained winds of 195 kph near the center and gustiness of up to 230 kph. It is forecast to move West Northwest at 11 kph. Southwest Monsoon (HABAGAT) affecting Luzon.

 Estimated rainfall amount is from 10 – 25 mm per hour (heavy - intense) within the 650 km diameter of the Typhoon.

 Typhoon "JOSE" will not yet affect any part of the country. However, the Southwest Monsoon will continue to bring occasional rains over  Ilocos Region and Central Luzon while Metro Manila, CALABARZON and MIMAROPA will have occasional rains

Fisherfolks and those with small seacrafts are advised not to venture out over the Northern and Western seaboards of Luzon and the Eastern seaboard of Southern Luzon.

 The public and the disaster risk reduction and management council concerned are advised to take appropriate actions and watch for the next  bulletin to be issued at 11 AM tomorrow.




Satellite Image of Typhoon #JosePH via MetHydro Decision Support Infosys http://meteopilipinas.gov.ph/map.php 


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Weekly Outlook TY #YolandaPH @dost_pagasa

Weekly Outlook

Issued at: 7:00 p.m. 04 November 2013
Valid until: 7:00 p.m. 11 November 2013

Today, Tropical Depression "WILMA" has weakened into a Low Pressure Area (LPA). This LPA which is embedded along the Intertropical Convergence Zone (ITCZ) will bring cloudy skies with moderate to occasionally heavy rains and thunderstorms which may trigger flashfloods and landslides over Visayas and the Regions of Zamboanga Peninsula, Northern Mindanao and CARAGA while Cagayan Valley, MIMAROPA and the rest of Mindanao will have cloudy skies with light to moderate rainshowers and thunderstorms. Metro Manila and the rest of Luzon will be partly cloudy to cloudy with isolated rainshowers or thunderstorms

By Tuesday and Wednesday (November 05-06), Southern Luzon and most areas of Visayas and Mindanao will continue to experience light to moderate rainshowers and thunderstorms. On the other hand, the Northeast Monsoon will bring partly cloudy skies with isolated light rains over the regions of Ilocos, Cordillera and Cagayan Valley. Metro Manila and the rest of the archipelago will be partly cloudy to cloudy with isolated afternoon or evening rainshowers or thunderstorms.

By Thursday morning (November 07), the Tropical Storm (TS) over the pacific ocean with International name "HAIYAN" is expected to enter the Philippine Area of Responsibility (PAR). This weather disturbance has the possibility to intensify into a Typhoon (TY) and will be given a local name "YOLANDA". Cloudy skies with light to moderate rainshowers and thunderstorms is expected over Samar and Leyte Provinces and CARAGA region as TY "YOLANDA" approaching the eastern sections of Visayas and Mindanao. Metro Manila and the rest of the country will be have partly cloudy to cloudy with isolated rainshowers or thunderstorms.

By Friday (November 08), there is a chance that Eastern Visayas will experience stormy weather with rough to very rough seas as TY "YOLANDA" moves closer towards Samar Provinces. Likewise, Bicol region will have rains with gusty wind by late afternoon. Cloudy skies with moderate to occasionally heavy rains is expected over CALABARZON and the rest of Visayas. Metro Manila, CARAGA and Davao Region will continue to experience cloudy skies with light to moderate rainshowers and thunderstorms. The rest of the country will be partly cloudy to cloudy with isolated afternoon or evening rainshowers or thunderstorms.

Thereafter, (November 09) if the forecast track of TY "YOLANDA" will be on a west northwest direction, Metro Manila, MIMAROPA, CALABARZON will have rains with gusty winds with moderate to rough seas. Central Luzon and Visayas will be cloudy with scattered rainshowers and thunderstorms. The rest of Luzon and Mindanao will be partly cloudy to cloudy with isolated afternoon or evening rainshowers or thunderstorms.

By Sunday (November 10), TY "YOLANDA" is expected to be over the West Philippine Sea and continue to bring cloudy skies with rains and with gusty winds particularly over Palawan. Rough to very high seas is also expected over the western seaboards of Souther Luzon. Gradual improvement of weather is expected over the rest of Luzon while partly cloudy to cloudy skies with isolated rainshowers or thunderstorms will continue to persist over the rest of the country. For the rest of the outlook period, partly cloudy to cloudy skies with light rains over Luzon will prevail while Visayas will have generally fair weather conditions, with chances of isolated rainshowers or thunderstorms. The rest of Mindanao howevere, will be cloudy with light to moderate rainshowers or thunderstorms due to the ITCZ.

This outlook will be updated as soon as significant changes in the weather pattern occurs.

Prepared By:

FRC / GSS / JJL
Duty Forecasters

Source : http://www.pagasa.dost.gov.ph/wb/wklyOutlook.html

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#OdettePH has intensified into a Typhoon

WEATHER BULLETIN No. 07
Tropical Cyclone Warning: Typhoon "ODETTE" (USAGI)
Issued at 11:00PM, 18 September 2013

“ODETTE” has intensified into a Typhoon as it continues to move in the general direction of Northern Luzon.

Location of eye/center: At 10:00 PM today, the center of Typhoon “ODETTE” was estimated based on all available data at 700 km East of Tuguegarao City (17.5°N, 129.3°E).

Strength/Movement: Maximum winds of 120kph near the center and gustiness of up to 150kph. Forecast to move West at 13 kph.

Forecast Positions: Typhoon “ODETTE” is expected to be at 440 km East of Tuguegarao City by tomorrow evening and at 190 km Northeast of Aparri, Cagayan or at 190 km Southeast of Basco, Batanes by Friday evening. By Saturday evening, it is expected to be at 120 km Northwest of Basco, Batanes or at 100 km South of Taiwan.

PSWS #1 (Winds of 30-60 kph is expected in at least 36 hours) over Isabela and Cagayan including Calayan and Babuyan Group of Islands.

Estimated rainfall amount is from 15 – 20 mm per hour (heavy - intense) within the 500 km diameter of the Typhoon.

“ODETTE” will continue to enhance the Southwest Monsoon that will bring moderate to occasionally heavy rains and thunderstorms over the provinces of Zambales, Bataan, and Mindoro. Residents in these areas are advised to be alert against flashfloods and landslides.

Sea travel is risky over the seaboards of Occidental Mindoro & Palawan and over the eastern seaboard of Luzon and of Visayas.

The public and the disaster risk reduction and management council concerned are advised to take appropriate actions and watch for the next bulletin to be issued at 5AM tomorrow.

Source : http://www.pagasa.dost.gov.ph/wb/tc_up.html

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Tropical Storm "#ODETTEPH" has intensified further as it remained almost stationary.

4 pm Satellite Image

At 4:00 PM today, the center of Tropical Storm"ODETTE" was estimated based on all available data at 770 km East of Tuguegarao City (17.5°N,130.0°E) with maximum sustained winds of 105 kph near the center and gustiness of up to 135 kph. It is forecast to move West at 7 kph. Southwest Monsoon affecting Central and Southern Luzon, Visayas and Mindanao.

Estimated rainfall amount is from 15 - 20 mm per hour (heavy-intense) within the 500 km diameter of the Tropical Storm. 

"ODETTE" " is expected to enhance the Southwest Monsoon that will bring light to moderate rains and thunderstorms over the western sections of Central and Southern Luzon, Visayas and Mindanao.

Sea travel is risky over the seaboards of Occidental Mindoro and Palawan. 

The public and the disaster risk reduction and management council concerned are advised to take appropriate actions and watch for the next bulletin to be issued at 11 PM today.

source : http://www.pagasa.dost.gov.ph/

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Severe Weather Bulletin TYPHOON "QUIEL"

Tropical Storm "QUIEL" has intensified into typhoon and poses threat to Northern Luzon. 

Friday, 30 September 2011 

Location of Center: (as of 4:00 a.m.)   
770 kms East of Aparri, Cagayan

Coordinates:     17.6°N, 129.9°E

Strength:     Maximum sustained winds of 130 kph near the center
Gustiness of up to 160 kph

Movement:     Forecast to move West at 22 kph

Forecast Positions/Outlook:   
Saturday morning:
300 km East Southeast of Aparri, Cagayan
Sunday morning:
130 km West Southwest of Laoag, City
Monday morning:
630 km West of Laoag, City

Areas Having Public Storm Warning Signal 

PSWS #1

Cagayan
Isabela
Babuyan Grp. of Islands 

Residents in low lying and mountainous areas under Public Storm Warning Signals are alerted against possible flashfloods and landslides. Likewise, those living in coastal areas are alerted against big waves or storm surges generated by this tropical cyclone.

Typhoon Quiel is expected to enhance the Southwest Monsoon and will bring scattered to widespread rains over Southern Luzon and Western Visayas.

Estimated rainfall amount is from 15 - 25 mm per hour within the 400 km diameter of the Typhoon.

The public and the disaster coordinating councils concerned are advised to take appropriate actions and watch for the next bulletin to be issued at 11 AM today. 

How to navigate and view the latest update on Philippine Weather. 

You can visit PAGASA old website http://www.pagasa.dost.gov.ph/ or beta version of the new website http://www.weather.gov.ph/

For your latest daily forecast  download the pdf file click here old website link.

For the new website you can download by clicking the link on the front page and topmost part of the Daily Forecast.  ( Public Weather Forecast)

While for you latest update on Dam and Flooding , you can visit http://kidlat.pagasa.dost.gov.ph/ffb/ffb.html or follow PAGASA Official Twitter Account of PAGASA-Flood Forecasting and Warning Section http://twitter.com/#!/PAGASAFFWS .
  

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Public Storm Warning Signal (PAGASA)

What are Public Storm Warning Signal ?

PSWS # 1
	METEOROLOGICAL CONDITIONS: A tropical cyclone will affect the locality. Winds of 30-60 kph may be expected in at least 36 hours or intermittent rains may be expected within 36 hours. (When the tropical cyclone develops very close to the locality a shorter lead time of the occurrence of the winds will be specified in the warning bulletin.)
	IMPACT OF THE WINDS: Twigs and branches of small trees may be broken. Some banana plants may be tilted or downed. Some houses of very light materials (nipa and cogon) may be partially unroofed. Unless this warning signal is upgraded during the entire existence of the tropical cyclone, only very light or no damage at all may be sustained by the exposed communities. Rice crop, however, may suffer significant damage when it is in its flowering stage.
	PRECAUTIONARY MEASURES: When the tropical cyclone is strong or is intensifying and is moving closer, this signal may be upgraded to the next higher level. The waves on coastal waters may gradually develop and become bigger and higher. The people are advised to listen to the latest severe weather bulletin issued by PAGASA every six hours. In the meantime, business may be carried out as usual except when flood occur. Disaster preparedness is activated to alert status.
PSWS # 2
	METEOROLOGICAL CONDITIONS: A tropical cyclone will affect the the locality. Winds of greater than 60 kph and up to 100 kph may be expected in at least 24 hours.
	IMPACT OF THE WINDS: Some coconut trees may be tilted with few others broken. Few big trees may be uprooted. Many banana plants may be downed. Rice and corn may be adversely affected. Large number of nipa and cogon houses may be partially or totally unroofed. Some old galvanized iron roofings may be peeled off. In general, the winds may bring light to moderate damage to the exposed communities.
	PRECAUTIONARY MEASURES: The sea and coastal waters are dangerous to small seacrafts Special attention should be given to the latest position, the direction and speed of movement and the intensity of the storm as it may intensify and move towards the locality. The general public especially people travelling by sea and air are cautioned to avoid unnecessary risks. Outdoor activities of children should be postponed. Secure properties before the signal is upgraded. Disaster preparedness agencies / organizations are in action to alert their communities.
PSWS # 3
	METEOROLOGICAL CONDITIONS: A tropical cyclone will affect the locality. Winds of greater than 100 kph up to 185 kph may be expected in at least 18 hours.
	IMPACT OF THE WINDS: Many coconut trees may be broken or destroyed. Almost all banana plants may be downed and a large number of trees may be uprooted. Rice and corn crops may suffer heavy losses. Majority of all nipa and cogon houses may be unroofed or destroyed and there may be considerable damage to structures of light to medium construction. There may be widespread disruption of electrical power and communication services. In general, moderate to heavy damage may be experienced, particularly in the agricultural and industrial sectors.
	PRECAUTIONARY MEASURES: The disturbance is dangerous to the communities threatened/affected. The sea and coastal waters will be very dangerous to all seacrafts. Travel is very risky especially by sea and air. People are advised to seek shelter in strong buildings, evacuate low-lying areas and to stay away from the coasts and river banks. Watch out for the passage of the "eye" of the typhoon indicated by a sudden occurrence of fair weather immediately after very bad weather with very strong winds coming gnerally from the north. When the "eye" of the typhoon hit the community do not venture away from the safe shelter because after one to two hours the worst weather will resume with the very strong winds coming from the south. Classes in all levels should be suspended and children should stay in the safety of strong buildings. Disaster preparedness and response agencies/organizations are in action with appropriate response to actual emergency.
PSWS # 4
	METEOROLOGICAL CONDITIONS: A very intense typhoon will affect the locality. Very strong winds of more than 185 kph may be expected in at least 12 hours.
	IMPACT OF THE WINDS: Coconut plantation may suffer extensive damage. Many large trees may be uprooted. Rice and corn plantation may suffer severe losses. Most residential and institutional buildings of mixed construction may be severely damaged. Electrical power distribution and communication services may be severely disrupted. In the overall, damage to affected communities can be very heavy.
	PRECAUTIONARY MEASURES: The situation is potentially very destructive to the community. All travels and outdoor activities should be cancelled. Evacuation to safer shelters should have been completed since it may be too late under this situation. With PSWS #4, the locality is very likely to be hit directly by the eye of the typhoon. As the eye of the typhoon approaches, the weather will continuously worsen with the winds increasing to its strongest coming generally from the north. Then a sudden improvement of the weather with light winds (a lull) will be experienced. This means that the eye of the typhoon is over the locality. This improved weather may last for one to two hours depending on the diameter of the eye and the speed of movement. As the eye moves out of the locality, the worst weather experienced before the lull will suddenly commence. This time the very strong winds will come generally from the south. The disaster coordinating councils concerned and other disaster response organizations are now fully responding to emergencies and in full readiness to immediately respond to possible calamity.

FOOTNOTES: Important to note that when any Public Storm Warning Signal Number is hoisted or put in effect for the first time, the corresponding meteorological conditions are not yet prevailing over the locality. This is because the purpose of the signal is to warn the impending occurrence of the given meteorological conditions. It must be noted also that the approximate lead time to expect the range of the wind speeds given for each signal number is valid only when the signal number is put in effect for the first time. Thus, the associated meteorological conditions are still expected in at least 36 hours when PSWS #1 is put in effect initially; in at least 24 hours with PSWS #2; in at least 18 hours with PSWS #3; and in at least 12 hours with PSWS #4. The lead time shortens correspondingly in the subsequent issues of the warning bulletin when the signal number remains in effect as the tropical cyclone comes closer. It is also important to remember that tropical cyclones are constantly in motion; generally towards the Philippines when PAGASA is issuing the warning. Therefore, the Public Storm Warning Signal Number over a threatened/ affected locality may be sequentially upgraded or downgraded. This means that PSWS #1 may be be upgraded to PSWS #2, then to PSWS #3 and to PSWS #4 as necessary when a very intense typhoon is approaching or downgraded when the typhoon is moving away. However, in case of rapid improvement of the weather condition due to the considerable weakening or acceleration of speed of movement of the tropical cyclone moving away from the country, the downgrading of signal may jump one signal level. For example, PSWS #3 may be downgraded to PSWS #1 or all signals from PSWS #2 may be lowered. The delineation of areas for a given signal number is based on the intensity, size of circulation and the forecast direction and speed of movement of the tropical storm or typhoon at the time of issue of the warning bulletin. The change in intensity, size of circulation or movement of the tropical cyclone also determines the change in the PSWS number over a given locality.

SOURCE: http://kidlat.pagasa.dost.gov.ph/genmet/otherinfo.html

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