Humina na ang bagyong Ambo matapos ang pagtawid nito sa Samar.
Ayon sa PAGASA, nakita ang sentro ng bagyo sa may 40 kilometers ng West Southwest ng Catarman, Northern Samar o 60 km. Southeast ng Juba, Sorsogon.
Mayroong dala itong lakas ng hangin ng 130 km/hr at pagbugso ng 215 kph.
Nakataas naman ang Tropical Cyclone Wind Signal number 3 ang mga sumusunod na lugar: Sorsogon, Albay, Masbate including Ticao at Burias Islands, Catanduanes, Camarines Sur, Camarines Norte, Marinduque, and the southern portion of Quezon (Pagbilao, Atimonan, Padre Burgos, Agdangan, Plaridel, Unisan, Gumaca, Pitogo, Perez, Alabat, Quezon, Tagkawayan, Calauag, Lopez, Macalelon, General Luna, Catanauan, Buenavista, Guinayangan, Mulanay, San Narciso, San Andres, San Francisco), western portion of Northern Samar (San Vicente, Capul, San Antonio, Allen, Victoria, San Isidro, Biri, Lavezares, Rosario, San Jose, Bobon, Catarman, Lope de Vega, Mondragon, San Roque, Pambujan, Silvino Lobos) at the northwestern portion of Samar (Calbayog City, Sta. Margarita, Gandara, Pagsanghan, San Jorge, Tarangnan, Sto. Niño, Almagro, Tagapul-an).
Habang nasa signal number 2 ang TCWS #2
The southern portion ng Aurora (Dipaculao, Baler, Maria Aurora, San Luis, Dingalan), the southern portion of Nueva Ecija (Bongabon, Laur, Gabaldon, General Tinio, Peñaranda, Gapan City, San Leonardo, San Isidro, Cabiao), eastern portion of Pampanga (Candaba, San Luis, San Simon, Apalit), Bulacan, Metro Manila, Cavite, Batangas, Laguna, Rizal, the rest of Quezon, and Romblon, natitirang bahagi ng Northern Samar, the northern portion of Eastern Samar (Jipapad, Arteche, San Policarpo, Oras, Maslog, Dolores, Can-avid, Taft, Sulat, San Julian), the central and northeastern portions of Samar (Matuguinao, San Jose de Buan, Catbalogan City, Jiabong, Motiong, Paranas, Hinabangan, San Sebastian, Zumarraga, Daram, Talalora, Villareal, Pinabacdao, Calbiga), at Biliran
Nasa signal number 1 naman ang mga lugar ng Mainland Cagayan, Isabela, Nueva Vizcaya, Quirino, Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Apayao, Kalinga, Abra, Mountain Province, Ifugao, Benguet, Zambales, Bataan, Tarlac, the rest of Nueva Ecija, the rest of Pampanga, the rest of Aurora, and Oriental Mindoro, northern portion of Leyte (Calubian, San Isidro, Tabango, Leyte, Capoocan, Carigara, Barugo, San Miguel, Babatngon, Tunga, Alangalang, Sta. Fe, Palo, Tacloban City, Jaro, Villaba, Kananga, Matag-ob, Palompon, Merida, Isabel, Ormoc City, Albuena, Pastrana, Dagami, Tanauan, Tabontabon, Tolosa, Burauen, Julita, Dulag), the rest of Samar, the rest of Eastern Samar, the northeastern portion of Capiz (Pilar), the northeastern portion of Iloilo (Carles, Balasan, Estancia, Batad), and the northern portion of Cebu (Medellin, Daanbantayan, Madridejos, Bantayan, Santa Fe) .
Nagbabala ang ahensiya na mapanganib ang maglayag sa karagatan ganun din ang pagguho ng lupa dahil sa pag-ulan pa rin na dala ng nasabing bagyo.
