Thursday, May 27, 2021

Vermont Storms Caused Scattered Damage; New Damage Coming From Frost?

A big, tall thunderstorm looms over Vermont Wednesday,
as viewed from Colchester.  Severe, damaging storms
struck parts of central and Northeast Vermont.
 The thunderstorms and pockets of severe weather pretty much worked out as expected on Wednesday. 

Most of us got either a mild thunderstorm or in a few cases, got nothing at all. 

It seems like the main, worst thunderstorm trekked from Addison County to the Northeast Kingdom near Danville and Peacham in the afternoon and early evening.

Basically, it was a bowing segment that was the culprit, and this type of storm often leads to damage.  

A bowing segment is a relatively short line of storms, shaped like a backwards "C".  The apex of that "C" s where the strongest winds are.  Yesterday, that was on a line from around Middlebury to Danville.

The whole Northeast shared in the severe weather. And the Central Great Plains were busy. Overall, there were 28 reports of tornadoes yesterday, mostly in Kansas, Nebraska and Texas. There were a whopping 381 wind damage reports, mostly in the Northeast, including here in Vermont. 

Trees were down in many parts of Middlebury, then a few more reports of tree damage around Waitsfield. This was followed by quite a few power outages in and around Barre. Then a trail of new scattered damage was reported along Route 2 from Marshfield to Danville.  

Several thousand homes and businesses also lost power along this path. 

Only a few lucky people got some decent rains, which we still need. Those in the path of the severe thunderstorm got more than a half inch of rain. Most of the rest of us got a tenth of an inch of rain or less.

Northern areas of Vermont look to get almost no rain for the next week, unless some storminess to our south pulls some surprises.  

CHILLY: FROSTY AND SNOWY?

Up next, though, we're temporarily going back in time to April. That means the risk of a late season frost, a cold rain in southern Vermont and yes, the dirty four-letter word is back: Maybe some snow in the highest elevations. 

After a few morning sprinkles, it will clear up rapidly today, and be breezy and cool.  That sets us up for the frost risk tonight. 

It'll be a race between cold air coming in from the north and high clouds coming in from the southwest. If the clouds come in more quickly than expected, most of us, except those in the Northeast Kingdom, will escape the frost. If the clouds stay away, many more of us will worry about a frost and freeze.

I'd play it safe tonight anywhere in Vermont except right near Lake Champlain.  Cover those tender annuals you just planted, or if possible, bring them indoors.  If you already planted your tomatoes outside, well it sucks for you. Cover those up, too, and hope for the best. 

Tomorrow, Friday, will be remarkably raw for the end of May.  Highs everywhere will only make it into the 50s.  Northern areas might be warmest as they could see a little sun.  Southern areas of Vermont will cloud right up and temperatures will stay in the low 50s. Some mid and high elevations there won't even make it out of the 40s for highs. Brrrr!

There's a lot of questions about how far north the rain will get Friday and Friday night.  Most forecasts keep the far north dry, but even there, there's a slight chance of sprinkles or light rain.  South of Route 4, there could be a good half inch of rain, which would be good for them. 

Bad for them will be the mountains. There could be some snow at least on the mountain peaks Friday night.

Saturday looks chilly,  too, with southern Vermont being the coolest.   Some clearing is expected to break out Saturday afternoon in the north, and the strong May sun would "heat" those areas into the low 60s, which is still quite chilly for this time of  year. Southern areas might stay in the 50s.

We'll also have to watch for scattered night time frost again in the north, too.

Don't worry. This throwback to early spring won't last forever.   A warming trend will start Sunday and continue well into next week.  Long range forecasts  call for above normal temperatures through the first 10 days or so of June 

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