Northern Mariana Islands Minor Flood Advisory | Effective 09/15/2026 03:34

Headline: 
Flood Advisory issued September 15 at 8:34PM ChST until September 15 at 10:30PM ChST by NWS Tiyan GU
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 15, 2026 - 3:34am
Expires: 
September 15, 2026 - 5:30am
Description: 
* WHAT...Urban area and small stream flooding caused by excessive rainfall is occurring. * WHERE...Southern Saipan... Tinian... * WHEN...Until 1030 PM ChST. * IMPACTS...Flooding in low-lying and poor drainage areas. Water over roadways reported. Rises in small streams. * ADDITIONAL DETAILS... - At 832 PM ChST, emergency management reported heavy rain in the advisory area due to thunderstorms with water over roadways in southern Saipan. Urban and small stream flooding is occurring. - Some locations that will experience flooding include... Garapan, Dandan, China Town, Koblerville, San Jose (Tinian Municipality), Chalan Kanoa I, San Antonio, Chalan Kanoa II, Chalan Kanoa III, Kagman, Chalan Kanoa IV, Kagman III, Gualo Rai, Afetnas, Chalan Piao, Fananganan, Chalan Laulau, Chalan Kiya, San Jose (Oleai) and As Lito. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Stay away or be swept away. River banks and culverts can become unstable and unsafe.
Area Description: 
Saipan, MP; Tinian, MP
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov