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<alert xmlns="urn:oasis:names:tc:emergency:cap:1.2"><identifier>42a59832-724e-4edd-9581-d28c2f86229f</identifier><sender>PAGASA-DOST</sender><sent>2026-06-05T23:01:44+08:00</sent><status>Actual</status><msgType>Update</msgType><scope>Public</scope><references>PAGASA-DOST,023a1223-b383-4c7c-b825-02f00b41ef99,2026-06-05T17:08:32+08:00</references><info><category>Met</category><event>Tropical Cyclone Warning</event><responseType>Prepare</responseType><urgency>Future</urgency><severity>Minor</severity><certainty>Likely</certainty><expires>2026-06-06T11:01:26+08:00</expires><senderName>PAGASA-DOST</senderName><headline>Tropical Cyclone Warning : Tropical Depression Ester Signal #1</headline><description>A tropical cyclone will affect the locality.&#xD;
Winds of 39-61 kph or intermittent rains may be expected within 36 hours.

&#x201C;ESTER&#x201D; MAINTAINS ITS STRENGTH WHILE OVER THE SEA EAST OF TAIWAN&#xD;
&#xD;
Location of eye/center : The center of Tropical Depression ESTER was estimated based on all available data at  at 300 km North of Itbayat, Batanes (23.5, 121.9).&#xD;
Strength : Maximum winds of 45 kph near the centerand gustiness of up to 55 kph.&#xD;
Forecast movement : Forecast to move North Northeastward at 15 kph&#xD;
&#xD;
Forecast position : &#xD;
&#xD;
Jun 06, 2026 08:00 AM - 550 km North Northeast of Itbayat, Batanes (OUTSIDE PAR)&#xD;
Jun 06, 2026 08:00 PM - 825 km North Northeast of Extreme Northern Luzon (OUTSIDE PAR)&#xD;
&#xD;
HAZARDS AFFECTING LAND AREAS&#xD;
Heavy Rainfall Outlook&#xD;
&#xD;
Refer to Weather Advisory No. 28 issued at 11:00 PM today for the heavy rainfall outlook due to TC ESTER and the Southwest Monsoon.&#xD;
&#xD;
Severe Winds&#xD;
&#xD;
The wind signals warn the public of the general wind threat over an area due to the tropical cyclone. Local winds may be slightly stronger/enhanced in coastal and upland/mountainous areas exposed to winds. Winds are less strong in areas sheltered from the prevailing wind direction.&#xD;
&#xD;
Minimal to minor impacts from strong winds are possible within any of the areas under Wind Signal No. 1.&#xD;
&#xD;
The Southwest Monsoon will bring strong to gale-force gusts over the following areas (especially in coastal and upland areas exposed to winds):&#xD;
&#xD;
Today: Ilocos Region, Cordillera Administrative Region, and Cagayan Valley&#xD;
Tomorrow (06 June): Ilocos Region, Cordillera Administrative Region, and Cagayan Valley.&#xD;
&#xD;
HAZARDS AFFECTING COASTAL WATERS&#xD;
24-Hour Sea Condition Outlook&#xD;
&#xD;
Up to rough seas over the following coastal waters:&#xD;
Up to 3.5 m: The seaboards of Batanes; the northern and western seaboards of Babuyan Islands.&#xD;
Up to 3.0 m: The northern seaboard of Ilocos Norte.&#xD;
Mariners of small seacrafts, including all types of motorbancas, are advised not to venture out to sea under these conditions, especially if inexperienced of operating ill-equipped vessels.&#xD;
&#xD;
Up to moderate seas over the following coastal waters:&#xD;
Up to 2.5 m: The remaining seaboards of Babuyan Islands and Ilocos Norte; the seaboard of Ilocos Sur; the western seaboards of La Union and Pangasinan.&#xD;
Up to 2.0 m: The seaboards of mainland Cagayan and Isabela; the western seaboards of Zambales, Bataan, Cavite, Batangas, and Occidental Mindoro including Lubang Island.&#xD;
Mariners of motorbancas and similarly sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigation under these conditions.&#xD;
&#xD;
Other coastal waters have forecast wave heights of less than 2.0 m.&#xD;
&#xD;
TRACK AND INTENSITY OUTLOOK&#xD;
It must be emphasized that heavy rainfall and severe winds may still be experienced in localities outside the landfall point and the forecast confidence cone. Refer to &#x201C;Other Hazards affecting Land Areas&#x201D; for more details. Furthermore, the track may still shift within the limit of the forecast confidence cone.&#xD;
Tropical Depression ESTER is forecast to move northeastward towards the East China Sea. It may exit the Philippine Area of Responsibility (PAR) tonight or tomorrow (06 June) morning.&#xD;
Although ESTER may remain as a tropical depression over the waters east of Taiwan, it may eventually reach tropical storm category within the next 24 hours.&#xD;
&#xD;
</description><instruction>Considering these developments, the public and disaster risk reduction and management offices concerned are advised to take all necessary measures to protect life and property. Persons living in areas identified to be highly or very highly susceptible to these hazards are advised to follow evacuation and other instructions from local officials. For heavy rainfall warnings, thunderstorm/rainfall advisories, and other severe weather information specific to your area, please monitor products issued by your local PAGASA Regional Services Division.&#xD;
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