A gorgeous summer day last year in Burlington, Vermont. This year's Fourth of July weather - today - will be about the same. |
Such as the case today, the Fourth of July 2019, as we in Vermont are setting up for a hot one. Great beach weather. Great barbecue weather. Great fireworks watching weather. What's not to love?
Well, it will be a bit too hot for some people today. (I've become a hot weather wimp in my old age, for instance.)
Everybody in Vermont, except those on the tippy tops of the tallest mountains will see high temperatures in the 80s today. Warmer valleys (I see you, Champlain and lower Connecticut valleys!) will have a great shot of getting to 90 degrees or even a little above that this afternoon. Thank goodness humidity levels will only be moderate. Not super dry, mind you, but not awful, either.
Plus the sun will be out most if not all of the day. Bottom line: The Fourth of July this year is a classic in the weather department.
The time around the Fourth of July has had its extreme weather. Two of Vermont's most historic, biggest heat waves happened on and around July 4.
In 1911, Vermont had it's hottest day on record on July 4, reaching 105 degrees at Vernon, in the southeastern corner of the state. Neighboring New Hampshire also had its hottest day on record on July 4, 1911, reaching 106 degrees.
Burlington, Vermont, was relatively "chilly" on July 4, 1911, only reaching a high of 98 degrees (ugh!) But that was down from 100 degrees the day before.
The 1911 heat wave was long, with a break in the middle of it. According to the Vermont Weather Book, Burlington's daily high temperature from July 1 to 12 was as follows: 86. 94, 100, 98, 98, 91, 75, 88, 95, 96, 96, and finally on July 12, a cooling trend started when the high only reached 86 degrees.
It's possible the 1911 heat wave was New England's worst weather disaster. Some estimates are that 2,000 New Englanders died in those pre-air conditioning days.
The other historic July 4 heat wave happened just last year, in 2018. On July 4 last year, Burlington reached 95 degrees on the Fourth of July, so the record for the date from 1911 still stands.
But the heat wave that lasted from June 30 through July 5 last year was among the most extreme on record. The low temperature in Burlington on July 2 was 80 degrees, the hottest "low" temperature on record. Burlington also suffered through six consecutive days with highs of 93 degrees or more.
Not to be morbid again, but the July, 2018 heat wave was Vermont's worst weather disaster since the Hurricane Irene floods of 2011. The heat caused little physical damage but caused at least six deaths in the Green Mountain State. (The link has four deaths, but two more fatalities were confirmed later.)
The 2018 Fourth of July heat wave was part of what was to become the hottest summer on record in Burlington.
Sometimes, Mother Nature creates her own fireworks display on the Fourth of July weekend. We've had some doozies in Vermont.
Some examples: In 1999, a derecho formed in North Dakota on July 4, and sped rapidly over a long distance through Minnesota, upper Michigan, Ontario, Quebec and on into northern Vermont, New Hampshire and Maine in the pre-dawn hours of July 5.
The path of a long lasting derecho on the Fourth of July weekend, 1999. It caused one death in the Northeast Kingdom. No storms anylike this in the forecast today! |
Winds in that 1999 Derecho reached 90 mph Colbrook, New Hampshire. In Vermont's Northeast Kingdom, one person died and others were injured as the derecho winds slammed through crowded camp grounds.
In 2012, Vermont was hit by more very severe storms on the Fourth of July. The day was classically hot, reaching 90 degrees in Burlington. But thunderstorms quickly erupted that afternoon and evening.
The first round headed southeastward across eastern Vermont in the afternoon, causing lots of tree damage. A second round moved southeastward through the Champlain Valley, with winds gusting to 70 mph in Colchester and 63 mph in South Burlington.
There was, predictably a lot of wind damage, mostly to trees. There was also extensive street flooding in Burlington, causing damage to several buildings. (See the video I took of this storm in Burlington. The rain amid the wind was so heavy that visibility was almost zero.)
On this Fourth of July, 2019, there is a slightest chance of an isolated shower or storm, but don't hold your breath. The air is too stable to support much more than some cumulus clouds.
Here's a video of the July, 2012 wildness in Burlington. I know it looks like I was in a weird spot, but I was trying to shoot the video from a protected area behind buildings and tanks. Love the close lightning strike about two minutes in:
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