Here in New England, a heat wave officially occurs when the high temperature is in the 90s for at least three days in a row.
Yesterday marked the third day in a row that temperatures surpassed 90 °F at Bradley International Airport (BDL) in Windsor Locks, CT, officially giving us our first heat wave of the year. If we hit 90 °F again today (which is looking quite possible), we'll reach day four of this heat wave.
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| Heat waves in 2020 at BDL (xmACIS) |
Today could be day 6 of the heat wave in Burlington, VT, which would tie this heat wave for the second longest one in recorded history (records date back to 1940).
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| Longest heat waves in BTV in recorded history (xmACIS) |
The longest heat wave at BTV in history occurred in 1944, and it lasted 8 days. I don't think we'll reach 8 days with this current heat wave. It's been a very warm month in Burlington, with temperatures running 2.5 °F above average for the month. And that warmth has certainly been seen on Lake Champlain, which set a new record high water temperature of 79 °F this morning.
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Lake Champlain water temperature time series graph (USGS)
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The time of record-keeping is 10:00 a.m., and this morning's water temperature was officially 79 °F at 10:00 a.m. That is the warmest that the lake has been in any month of the year! For people looking to enjoy Lake Champlain, it's definitely a great time to do so!
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