Avertissements météorologiques sévères officiels près de San Mateo

A tropical cyclone will affect the locality. Winds of 39-61 kph or intermittent rains may be expected within 36 hours. SUPER TYPHOON ROSAL ACCELERATES WHILE OVER THE SEA EAST OF NORTHERN LUZON. Location of eye/center : The center of the eye of Super Typhoon ROSAL was estimated based on all available data at at 990 km East of Northern Luzon (17.6, 131.1). Strength : Maximum winds of 215 kph near the centerand gustiness of up to 265 kph. Forecast movement : Forecast to move West Northwestward at 30 kph Forecast position : Oct 21, 2026 02:00 PM - 790 km East of Aparri, Cagayan Oct 22, 2026 02:00 AM - 550 km East of Basco, Batanes Oct 22, 2026 02:00 PM - 405 km East of Itbayat, Batanes Oct 23, 2026 02:00 AM - 340 km East Northeast of Itbayat, Batanes Oct 23, 2026 02:00 PM - 420 km North Northeast of Itbayat, Batanes Oct 24, 2026 02:00 AM - 565 km North Northeast of Itbayat, Batanes (OUTSIDE PAR) Oct 25, 2026 02:00 AM - 970 km North Northeast of Extreme Northern Luzon (OUTSIDE PAR) HAZARDS AFFECTING LAND AREAS Heavy Rainfall Outlook   Refer to Weather Advisory No. 3 issued at 5:00 AM today for the heavy rainfall outlook due to the TC ROSAL. Severe Winds   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.   Minimal to minor impacts from strong winds are possible within any of the areas under Wind Signal No. 1. The highest Wind Signal that may be raised during the passage of ROSAL is Wind Signal No. 2 or 3.   The Northeasterly Windflow and the periphery of ROSAL will bring strong to gale-force gusts over the following areas (especially in coastal and upland areas exposed to winds): Today (21 October): Ilocos Region, Cordillera Administrative Region, Cagayan Valley, Bicol Region, Romblon, Eastern Visayas, Siquijor, Bohol, Northern Mindanao, Caraga, Davao Region, and Sarangani. Tomorrow (22 October): Most of Luzon and Visayas, Zamboanga del Norte, Northern Mindanao, Agusan del Norte, Surigao del Norte, Dinagat Islands, Sarangani, Davao Occidental, and Davao Oriental. Friday (23 October): Most of Luzon and Visayas, Camiguin, Misamis Occidental, Lanao del Norte, Dinagat Islands, Davao Occidental, and Davao Oriental. HAZARDS AFFECTING COASTAL WATERS A Gale Warning is in effect over the northern and eastern seaboards of Luzon and the eastern seaboard of Visayas. For more details, refer to Gale Warning No. 2 issued at 5:00 AM today 24-Hour Sea Condition Outlook Up to very rough seas over the following coastal waters: Up to 8.0 m: The seaboards of Batanes; the northern and eastern seaboards of Cagayan including Babuyan Islands. Up to 6.0 m: The remaining seaboards of Cagayan; the seaboard of Isabela. Up to 5.0 m: The eastern seaboard of northern Aurora; the northern and eastern seaboards of Catanduanes Up to 4.5 m: The remaining seaboards of Aurora; the northern and eastern seaboards of Polillo Islands; the northern seaboards of Camarines Norte, Camarines Sur, and Northern Samar; the eastern seaboards of Albay and Sorsogon; Sea travel is risky for all types or tonnage of vessels. All mariners must remain in port or, if underway, seek shelter or safe harbor as soon as possible until winds and waves subside. Up to rough seas over the following coastal waters: Up to 4.0 m: The eastern seaboards of northern Quezon and Eastern Samar; the remaining seaboard of Northern Samar; the northern seaboard of Ilocos Norte. Up to 3.0 m: The eastern seaboards of Dinagat Islands, Siargao-Bucas Grande Island Group, and Davao Oriental; the remaining seaboards of Catanduanes and Ilocos Norte. 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. Up to moderate to rough seas over the following coastal waters: Up to 2.5 m: The seaboards of Ilocos Sur, La Union, Surigao del Sur, and Surigao del Norte; the southern seaboard of Davao Oriental; the remaining eastern seaboards of Quezon; the northwestern seaboard of Pangasinan. Up to 2.0 m: The eastern seaboard of Davao Occidental. 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. Other coastal waters have forecast wave heights of less than 2.0 m. TRACK AND INTENSITY OUTLOOK 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 “Other Hazards affecting Land Areas” for more details. Furthermore, the track may still shift within the limit of the forecast confidence cone. ROSAL will continue moving west northwestward today, then northwestward until Friday (23 October) morning, before recurving northeastward by Sunday (25 October). On the forecast track, the tropical cyclone will be closest to Extreme Northern Luzon between tomorrow and Friday afternoon. It will exit the Philippine Area of Responsibility (PAR) by Friday evening or Saturday (24 October) early morning. Further intensification remains possible within the next 6 hours as ROSAL moves over the Philippine Sea before a weakening trend begins. It is forecast to weaken into a typhoon tomorrow and into a severe tropical storm by Sunday.