Flash floods have been occurring all around the country at different scales due to prolonged heavy rain fall since middle of June and still on going. The rainfall is averaged to be 46-60 millimeters across the country. The flash floods and heavy rain has severely affected roughly 1,549 households in seven (Arkhangai, Umnugovi, Orkhon, Dornogovi, Govi-Altai, Uvurkhangai, Tuv) provinces. Branch disaster response teams in the affected areas immediately conducted situation and needs, damage assessment on the spot and timely exchanged information with MRCS headquarters. According to the situation analysis, the most severely affected province is Umnugovi province when the torrential rain followed by devastating flash floods on July 24th.