Lumakas pa ang typhoon Ambo sa nakalipas na mga oras.
Huli itong namataan 185 km sa silangan timog silangan ng Catarman, Northern Samar o 110 km sa silangan hilagang silangan ng Borongan City, Eastern Samar.
Kumikilos ito nang pakanluran sa bilis na 15 kph.
Taglay nito ang lakas ng hangin na 155 kph at may pagbugsong 190 kph.
Signal No. 3:
Luzon: Sorsogon, eastern section of Albay (Legazpi City, Manito, Daraga, Camalig, Jovellar, Santo Domingo, Bacacay, Rapu-Rapu)
Visayas: Northern Samar, northern portion ng Eastern Samar (Jipapad, Arteche, Maslog, Dolores, Oras, San Policarpio, Can-avid, Taft, Sulat, San Julian, Borongan City), northern portion ng Samar (Calbayog City, Sta. Margarita, Gandara, Pagsanghan, San Jorge, Matuguinao, San Jose de Buan)
Signal No. 2:
Luzon: Southeastern portion ng Quezon (Tagkawayan, Guinayangan, Buenavista, San Narciso, Mulanay, San Andres, San Francisco), Camarines Norte, Camarines Sur, Catanduanes, natitirang parte Albay, Burias Island, northern portion ng mainland Masbate (Aroroy, Baleno, Masbate City, Mobo, Uson, Dimasalang, Palanas, Cataingan, Pio V. Corpuz)
Visayas: Biliran, iba pang bahagi ng Samar at Eastern Samar
Signal No. 1:
Luzon: Southern portion ng Aurora (Baler, San Luis, Dingalan), southern portion ng Nueva Ecija (Bongabon, Gabaldon, General Tinio, Laur, San Leonardo, Peñaranda, Gapan City), Bulacan, Metro Manila, Cavite, Laguna, Batangas, Rizal, iba pang parte ng Quezon, Marinduque, eastern portion of Romblon (Banton, Corcuera, Calatrava, San Agustin, Romblon, Magdiwang, San Fernando, Cajidiocan)
Visayas: Northern portion of Leyte (Calubian, San Isidro, Tabango, Villaba, Leyte, Kananga, Capoocan, Carigara, Barugo, San Miguel, Babatngon, Tunga, Jaro, Alangalang, Sta. Fe, Tacloban City, Palo, Pastrana, Dagami, Tabontabon, Tanauan, Tolosa, Ormoc City, Matag-ob, Palompon, Merida, Isabel, Albuena, Barauen, Julita at Dulag)
