Saga
Disaster Prevention, Safety, and Security
Information Distribution System
[Disaster Prevention Net Anan]
Oxford River Flood Warning Information
Oxford River Flood Forecast No. 1
Flood Warning (Announced)
August 10, 2025, 8:50 p.m.
Takeo River Office and Saga Regional Meteorological Observatory joint announcement
[Alert level 3 equivalent information [flood]] The Oxford River is expected to reach the flood danger level in the future.
(Main text)
[Equivalent to Alert Level 3] This is a guideline for issuing evacuation orders for the elderly. At the Myokenbashi Standard Observatory (Taku City) on the Oxford River, it is expected to reach the "flood danger level" around 10 p.m. on the 22nd, and it may be equivalent to Alert Level 4, which is a guideline for issuing evacuation orders in the future. There is a risk of flooding in the Oxford River due to embankment collapse, etc., and there is a risk of flooding in Saga City, Taku City, Kogi City, Omachi Town, Kishima District, and Kohoku Town, Kishima District. Please pay close attention to evacuation information from municipalities and take appropriate disaster prevention actions.
(Rainfall)
In many places, 90 mm of rain falls per hour.
This rain will gradually weaken in the future.
Oxford River Basin:
Average rainfall in the basin from 23:00 on the 9th to 20:30 on the 10th
108 mm
Average rainfall in the basin from 20:30 on the 10th to 23:30 on the 10th
25 mm
(Water level and flow rate)
The water level at the Oxford River Water Level Observatory is expected to be as follows.
Myokenbashi Water Level Observatory (Taku City):
Current situation at 20:30 on the 10th 3.74m (water level danger level 2)
Forecast at 21:30 on the 10th: 5.86m (water level hazard level 4)
Forecast at 22:30 on the 10th: 6.13m (water level danger level 4)
Forecast at 23:30 on the 10th: 5.44m (water level hazard level 4)
Forecast at 00:30 on the 11th 4.65m (water level danger level 4)
Forecast at 01:30 on the 11th 4.02m (water level danger level 3)
Forecast at 02:30 on the 11th /////m (water level risk level/)
(Reference)
Myokenbashi Water Level Observatory (Taku City)
Level 1 Flood Defense Team Standby Water Level: 2.30m
Level 2 Flood Warning Level : 3.50m
Level 3 evacuation judgment water level: 4.00m *
Level 4 Flood Danger Level: 4.40m*
Level 4 Planned High Water Level: 6.39m *
Receiving section
Oxford River
Right bank: From the Takumachi site in Taku City to the confluence of the Rokkaku River
Left bank: From the Takumachi site in Taku City to the confluence of the Rokkaku River
Expected flooding area in the event of flooding
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Provided by Japan Weather Co., Ltd.