Flood Potential Outlook
Issued by NWS Huntsville, AL

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Hydrologic Outlook
National Weather Service Huntsville AL
913 AM CDT Wed Jun 21 2017

...Heavy rainfall expected across the Tennessee Valley this week from
the remnants of Tropical Storm Cindy...

The remnants of Tropical Storm Cindy are forecast to move toward the
Tennessee Valley from the Texas/Louisiana coast later this week. With
abundant moisture in place across the region, widespread showers and
thunderstorms are expected through early Saturday morning. Rainfall
totals during this time will be between 3 and 4 inches, with
isolated higher amounts possible. Depending on how quickly this
rainfall occurs, Flash Flooding is possible during this time. As
runoff occurs across the area, River Flooding is also expected by
the weekend and may linger into early next week.

There is still some uncertainty regarding this weather situation for
the Tennessee Valley through the weekend. Any change in strength or
track of Cindy may change rainfall amounts, timing, or the potential
for strong to severe storms.

Current soil moisture values across the area are rather saturated in
the shallow levels near the surface, on the order of ~50%. Deeper-
layer soil moisture values are a bit drier, on the order of ~40%, so
we may be able to absorb a couple of inches of rainfall initially
from this system, which may help lessen the flooding threat. That
said, it all depends on how quickly the bulk of the rain falls.

A Flood or Flash Flood Watch may be issued for portions or all of
North Alabama and portions of Southern Middle Tennessee by Thursday
or Friday, so stay tuned for the latest forecast information or
changes!

For additional hydrologic information, please visit our website at:
weather.gov/huntsville.

$$

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