2016 Heat Wave: The Numbers - Western Mass News - WGGB/WSHM

First Warning Weather

2016 Heat Wave: The Numbers

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The first heat wave of 2016 entered the record books on Saturday, July 23rd. A heat wave is defined as three or more consecutive days of 90°+ temperatures. Since Saturday, we've added three more days to our heat wave total, including today's high temperature of 90°.

At six days (and forecast to grow to eight days), our current stretch of hot weather is going down in the record books.

Longest Heat Waves at Westover ARB
1) 10 days (Aug 27 - Sept 5, 1953)
2)  9 days (July 16-24, 1991) *including 3 daily highs over 100°
3) 8 days (July 26 - Aug 2, 1995) <-- tied multiple times, last instance of 8 day heat wave
4) 7 days (July 14 - 20, 2013) <-- tied multiple times, last instance of 7 day heat wave
5) 6 days (July 21 - 26, 2016) <-- tied multiple times, continuing into Wednesday
6) 5 days (Aug 29 - Sept 2, 2010) <-- tied multiple times, last instance of 5 day heat wave

Since records began in 1941, Westover ARB has recorded 105 heat waves (~1.4 heat waves per year). Of those 105 heat waves, only 23 have been five days or more!

We average 12 90°+ days per year. In 2015, we recorded 11 90°+ days at Westover ARB. Year-to-date for 2016, we have already surpassed last year's total and our yearly average with 14 days in the books. 

Our First Warning Weather team is forecasting temperatures to exceed 90° on Wednesday and Thursday before dipping back into the 80s for Friday. 

NOTE: Thank you to Tracey Ress for gathering the information from Westover ARB's weather data archive. 

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