Here is a concise original summary based on the information published by the source. Rosal downgraded to typhoon east of Batanes RapplerPAGASA Tropical Cyclone Bulletin Nr. 4 - Super Typhoon ROSAL (Champi) (Issued at 5:00 AM, 21 October 2026) ReliefWebBicol on blue alert as Super Typhoon Rosal enters PAR Philippine News AgencyRosal to weaken to typhoon, bring stormy weather to Batanes Thursday ABS-CBNParts of Northern Luzon to be rainy as Super Typhoon Rosal speeds up Rappler For the full context and any later updates, use the original source link.