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Severe Weather Thread - New England


TalcottWx
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1 hour ago, kdxken said:

You're the convection guy why is that? Air masses aren't that different?

The issues seems to be we don’t get sharp enough troughs/short waves to advect here. The core of the jet is well north and west so any EML’s follow that trajectory. The Bermuda high is so strong and eventually the cold front loses its characteristics and becomes weak. We do best when a warm front is lifting north and there is a cyclone go into our northwest with a cold front sliding through and a mid level flow (as long as shear is strong) and coming from the northwest to help with EML advection 

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There has been a storm just sitting and regenerating over the same spot in central VT for quite awhile, at least 3 hours now.  Flash flood warning is up.

 

https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=btv&wwa=flash flood warning

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Burlington VT
647 PM EDT Thu Aug 26 2021

The National Weather Service in Burlington has issued a

* Flash Flood Warning for...
  East Central Addison County in central Vermont...
  West Central Orange County in central Vermont...
  Southern Washington County in central Vermont...
  Northwestern Windsor County in southern Vermont...

* Until 1045 PM EDT.

* At 647 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 2 and 2.5 inches of
  rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1
  hour. Additional rainfall amounts of 1 to 2 inches are possible in
  the warned area. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  East Middlebury, Granville, Hancock, Ripton, Rochester, Warren,
  Lincoln, Braintree, Roxbury, Salisbury, Lower Granville, Alpine
  Village, Bread Loaf, East Granville and West Braintree.
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6 minutes ago, klw said:

There has been a storm just sitting and regenerating over the same spot in central VT for quite awhile, at least 3 hours now.  Flash flood warning is up.

 

https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=btv&wwa=flash flood warning

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Burlington VT
647 PM EDT Thu Aug 26 2021

The National Weather Service in Burlington has issued a

* Flash Flood Warning for...
  East Central Addison County in central Vermont...
  West Central Orange County in central Vermont...
  Southern Washington County in central Vermont...
  Northwestern Windsor County in southern Vermont...

* Until 1045 PM EDT.

* At 647 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 2 and 2.5 inches of
  rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1
  hour. Additional rainfall amounts of 1 to 2 inches are possible in
  the warned area. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  East Middlebury, Granville, Hancock, Ripton, Rochester, Warren,
  Lincoln, Braintree, Roxbury, Salisbury, Lower Granville, Alpine
  Village, Bread Loaf, East Granville and West Braintree.

Saw that. Not a great 10th anniversary reminder for an area hit badly by Irene

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