Flash Flood Warning for Southwestern Saipan and Tinian
If you are in immediate danger, call emergency services now.
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NWS Tiyan GU has issued a Flash Flood Warning for Southwestern Saipan and Tinian until 11:45 AM ChST due to thunderstorms producing heavy rain.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Saipan and Tinian, MP
- Issued
- September 9, 2026
- Issuing authority
- NWS Tiyan GU
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Flash Flood Warning has been issued by NWS Tiyan GU. The alert is effective from September 9, 2026 at 10:50 AM ChST until September 9, 2026 at 11:45 AM ChST.
Affected Areas
The warning covers Southwestern Saipan and Tinian in the Northern Mariana Islands. Specific locations that may experience impacts include Dandan, Koblerville, Chalan Kanoa I, San Antonio, Chalan Kanoa II, Chalan Kanoa III, Kagman, Chalan Kanoa IV, Kagman III, Gualo Rai, Afetnas, Chalan Piao, Chalan Laulau, Chalan Kiya, San Jose (Oleai), As Lito, I Liyang and Kannat Tabla.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area, with flash flooding ongoing or expected to begin shortly. Hazard is flash flooding caused by thunderstorms.
Timeline
The warning is in effect from 10:50 AM ChST to 11:45 AM ChST on September 9, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,064 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 9, 2026.
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