FFWGUM The National Weather Service in Tiyan has extended the * Flash Flood Warning for. Saipan. Tinian. * Until 300 PM ChST. * At 1125 AM ChST, emergency management reported flash flooding across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD. Flash flooding caused by rain and poor drainage from previous rainfall. SOURCE. Emergency management reported. IMPACT. Flash flooding of small creeks and streams, urban areas, and streets as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Garapan, Dandan, China Town, Tanapag, As Mahetog, Koblerville, San Jose (Tinian Municipality), Chalan Kanoa I, San Antonio, Chalan Kanoa II, Chalan Kanoa III, San Roque, Kagman, Chalan Kanoa IV, Kagman III, Gualo Rai, Afetnas, Chalan Piao, Fananganan and Chalan Laulau. Rainfall looks to be decreasing in intensity, but saturated conditions will make it very slow for water to drain away from low-lying areas and certain roads and streets. Continue to practice caution when driving and avoid closed or flooded roads.