Headline:
Flash Flood Warning issued April 12 at 9:29PM EDT until April 13 at 3:45AM EDT by NWS Gaylord MI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
April 12, 2026 - 6:29pm
Expires:
April 13, 2026 - 12:45am
Description:
At 929 PM EDT, Dam operators reported high flows are being released
through Mio Dam. This may result in flash flooding downstream on the
Au Sable River.
HAZARD...Flash flooding from a dam high flow release.
SOURCE...Dam operator.
IMPACT...Flooding of areas along the river immediately downstream
of the dam.
The nearest downstream town is McKinley...located about 9.5 miles
from the dam. Areas downstream from the Mio Dam along the Au Sable
River should be prepared for flooding.
Flooding is occurring along the Au Sable River.
Instruction:
If you are in low lying areas below the Mio Dam you should move to
higher ground immediately. Do not attempt to drive across flooded
roadways.
Area Description:
Alcona, MI; Oscoda, MI
Forcast Office:
NWS Gaylord MI
Sender:
w-nws.webmaster@noaa.gov