Flood Warning
Issued by NWS Burlington, VT

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Burlington VT
1144 PM EST TUE FEB 20 2018

NYC019-031-211045-
/O.NEW.KBTV.FA.W.0018.180221T0444Z-180221T1045Z/
/00000.0.IC.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clinton NY-Essex NY-
1144 PM EST TUE FEB 20 2018

The National Weather Service in Burlington has issued a

* Flood Warning for...
  An Ice Jam Accompanied By Rain And Snowmelt in...
  South central Clinton County in northern New York...
  North central Essex County in northern New York...

* Until 545 AM EST Wednesday

* At 1141 PM EST, the gage on the East Branch of the Ausable River
  at Au Sable Forks, NY showed sharp rises due to significant ice
  movement. Web cam images at the gage site also confirmed sharp
  rises, suggesting possible imminent formation of an ice jam in the
  vicnity of Au Sable Forks downstream to Clintonville where older
  ice from the thaw in January is present.

* Ice jams are very unpredictable and can break up, move and jam
  again very quickly.  Water backing up behind the jam is the main
  flood threat, and can flood areas under deep water with
  surprising speed.  Favored ice jam locations are where a river
  bends or slows, at bridge abutments, or near islands, sand bars,
  and other obstructions to river flow.

* Some locations that will experience flooding include...
  Au Sable Forks, Keeseville, Jay In Essex County, Upper Jay, North
  Jay, Clintonville, Ausable Forks and Harkness.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

River levels may flucuate rapidly due to ice with little or no
warning. Residents in low lying flood prone areas should remain alert
for possible flooding due to ice jams. Ice jam flooding can be very
localized and not affect all locations along the river as in a
typical river flood.

&&

LAT...LON 4454 7348 4445 7345 4441 7362 4428 7377
      4429 7385 4443 7375 4451 7364

$$

JMG



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