Flood Potential Outlook
Issued by NWS Nashville, TN

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Hydrologic Outlook
National Weather Service Nashville TN
1106 AM CST Thu Mar 1 2018

...Spring Flood Outlook...
...Above Average Risk for Flooding This Spring Across Middle

Existing Conditions...
Middle Tennessee and much of the Mid-South have been dealing with
recent heavy rainfall, resulting in an elevated flood threat for
the area in the short-term. Recent temperatures have been above
normal as well, and many trees and plants are coming out of winter
hibernation. The warmer and wetter trend is expected to continue
this spring creating an above average risk for future flooding.

Current streamflows are well above normal in due to recent
rainfall, with many rivers above Flood Stage. Water levels on
these rivers, along with the smaller creeks and streams will
subside over the next few days but levels on the lower reaches of
the Cumberland River and Tennessee River will remain high through
the first next week or two of March.

Precipitation has been near to above normal for most of the fall
and winter, with January being the only significantly dry month
across the area. Here are some rainfall totals across Middle

  Nashville  Clarksville Crossville
   October    3.48 (+0.44)   7.18 (+3.27)   6.23 (+3.19)
   November   4.46 (+0.15)   2.34 (-2.24)   4.24 (-0.86)
   December   4.56 (+0.32)   4.38 (-0.65)   4.56 (-0.39)
   January    1.63 (-2.12)   3.59 (+0.28)   1.68 (-3.08)
   February  10.91 (+6.97)   9.71 (+5.54)  10.48 (+6.02)

Climate Outlooks...
The National Weather Service Climate Prediction Center indicates
there is a higher probability of above normal temperatures and
above normal precipitation across the area for the months of
March, April, and May.

Overall, the spring flood threat across Middle Tennessee is well
above average in the short-term due to the ongoing flooding and
the saturated grounds. An early green-up of vegetation will help
diminish the flood threat for the rest of the spring, however,
the higher probability above normal precipitation creates an above
average risk for flooding through the end of May.


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