Thursday, June 29, 2017

Still Worried About Possible Flash Floods This Weekend

Stormy skies over St. Albans, Vermont earlier this week.
More storms, and possible flash floods, could hit
parts of the Green Mountain State over the weekend.
As of mid-morning, a band of rain was right on our doorstep moving in from the west and northwest ahead of a warm front.  

It'll be cool here in Vermont today, since the warm front won't actually move through until tomorrow, and the rain will keep the air chilled.

This afternoon and evening is really going to be a soaker, with drenching rain a sure bet.

The overall forecast hasn't changed much since I talked about this yesterday, and we're still at risk for local flash flooding over the weekend in the Green Mountain State.

There shouldn't be any substantial flooding at all today and tonight, but the rain, falling on already soggy soil, will turn the ground into wet mush and raise water levels in streams and rivers, which were already running a bit high before today's rain.

After the warm front moves through Friday morning,  we'll be in humid, warm air. Scattered thunderstorms are inevitable in such an airmass, and the moisture in the atmosphere will be increasing all day.

The Friday thunderstorms will be hit and miss, and most of them won't be big enough, or slow moving enough to cause flash floods. Still, torrential downpours falling on the soggy soil could trigger a few local bouts with high water and washouts.

A few of Friday's storms could be strong, too, with gusty winds and lots of lightning joining up with the torrential downpours. Not everybody will get at thunderstorm Friday, but those who do will sure notice it.

Saturday is the trouble day. Again, I can't guarantee any flash flooding, but thunderstorms will be very widespread, especially during the afternoon and evening. The atmosphere will be really juiced up with water, so the rainfall with these storms will be unbelievable in spots.

I'm guessing the National Weather Service in South Burlington will soon issue a flash flood watch for at parts of our area for Saturday. Stay tuned on this one.

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