Northern Mariana Islands Flash Flood Warning | Effective 04/14/2026 12:42

Headline: 
Flash Flood Warning issued April 15 at 5:42AM ChST until April 15 at 7:30AM ChST by NWS Tiyan GU
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 14, 2026 - 12:42pm
Expires: 
April 14, 2026 - 2:30pm
Description: 
FFWGUM The National Weather Service in Tiyan has issued a * Flash Flood Warning for... Saipan... Tinian... * Until 730 AM ChST. * At 542 AM ChST, satellite estimates indicate heavy rain across the warned area. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 3 to 6 inches are possible in the warned area. Flash flooding is ongoing. HAZARD...Flash flooding caused by heavy rain. SOURCE...Satellite estimates. 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.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Saipan, MP; Tinian, MP
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov