Monday, April 17, 2023

April Heat Wave Finally Ending; We Might See Highs Like That Again Until Summer

It was hot again in northwest Vermont for one last day on 
Sunday. Also a bit more humid than on previous days,
so we saw a few of those billowy cumulus clouds
that are common in mid-summer, but less so now 
 It felt like a balmy summer morning in Vermont this Monday as the lingering effects of our record April heat wave remained. 

If you missed the warm weather this morning, you're (mostly) out of luck for probably the next several weeks. 

The heat over-performed in northwestern Vermont again on Sunday. Temperatures reached 83 degrees in Burlington. 

That wasn't quite a record high, but still a full 27 degrees above normal. Sunday's high and low temperature, combined with somewhat higher humidity than previous days, made it a perfectly average day - for mid-July. 

There were even those puffy, sort of towering cumulus clouds that are most common in mid-summer. I saw a couple isolate small air mass thunderstorms tower up in the Adirondacks, too.  You can get thunderstorms in April every once in awhile, but these partly heat generated ones are something for this early in the season. 

The cooling will start today as rain moves in.  High temperatures for the day will be this morning, with mostly of us getting into the 60s.  Which won't be hard to do since many of us were already there at dawn.

Temperatures will probably drift downward into the 50s this afternoon.   A cold front this evening will ensure we  go down further. 

By tomorrow and Wednesday, highs will only be in the 45 to 50 degree range. That's somewhat colder than normal for this time of year. It will feel like yet another shock to the system. Northwest winds will make it feel even colder.

Mountain tops will even get a little snow. That's not at all odd for mid-April, but it's definitely a change in the weather, 

We need rain after that weird hot spell, but I'm not impressed with the amounts forecast. Northwestern Vermont looks like they might get between a half inch and two thirds of an inch. The rest of the state seems destined to see a half inch or less.

The rain will dampen the tree pollen, which has been sky high in recent days, as anyone with allergies knows. Everything started bursting forth with flowers and buds and leaves all at once. The allergen onslaught was impressive. 

The hottest temperature - at least in Burlington - during this bizarre heat wave was 88 degrees. We might not see temperature that warm until June or July.  

The weather patter has shifted to one that will mostly keep us chilly for the next couple of weeks at least. We might one last brief, quick squirt of warm air Friday, but that might be it for awhile.  

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