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>Flash Flood Watch

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wgus66 ksto 242026

urgent - immediate broadcast requested
flood watch
national weather service sacramento ca
1226 pm pst fri feb 24 2017

carquinez strait and delta-northern san joaquin valley-
1226 pm pst fri feb 24 2017

...flash flood watch now in effect through late thursday night...

the flash flood watch is now in effect for

* a portion of northern california...including the following 
  areas...carquinez strait and delta and northern san joaquin 

* through late thursday night

* don pedro and other local dams are making large reservoir
  releases that are raising river levels along the lower san
  joaquin river north of grayson into the south delta. these 
  elevated levels are causing flooding in the low-lying areas 
  along the river and increasing concerns on the levees in the 

* previously identified concern areas on local levees will
  continue to see increased river levels. as a precaution, san
  joaquin county officials and the national weather service are
  encouraging local residents to be prepared to take action in the
  event that levee conditions were to deteriorate.

precautionary/preparedness actions...

a flash flood watch associated with levees means that there are
conditions that could affect levee stability. if levee conditions
were to deteriorate into a failure, it could lead to flash
flooding and the rapid arrival of flood waters within the area
protected by the levee. people in the area of the flash flood
watch should monitor noaa weather radio and other news outlets
for updates to this situation. be prepared to quickly evacuate
should a flash flood warning be issued.



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