 The Monthly Weather Review only covers tropical cyclones west of 150° E. Due to lack of satellites and ship reports due to the Pacific Theatre of World War II, it is possible other tropical cyclones existed, especially if they were short-lived or of minor intensity.There were 29 known tropical cyclones, including 24 of typhoon status, of which several of the storms were deadly.A typhoon in November was the deadliest cyclone of the season, causing 49 deaths as it crossed the Philippines.