First 80-degree Day

Bill's Blog
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Here in West Michigan, we’re still waiting for our first 80-degree day.  The graphic above from the G.R. National Weather Service gives the average dates for the first 80-degree day and when we had the first 80-degree day in the last several years.

The first 14 days of May were 4 degrees cooler than average…continuing a trend we’ve had since last fall.  Beginning with October 2018, every month has been cooler than average with the exception of December. 

This is the 6-10 day temperature forecast from the Climate Prediction Center for May 20-24.  It calls for a high chance of below average temperatures in much of the West and then east to Upper Michigan and a high chance of above average temperatures from the southern Great Lakes to the Gulf of Mexico and east to the Atlantic..  This pattern (with colder than average northwest and warmer than average southeast) would mean a significant temperature contrast and that could fuel a fair number of strong thunderstorms and areas of heavy rain and potential flooding.  The Plains states look particularly susceptible to severe weather

Here’s U.S. high temps. Friday, May 10.  It was warm in Florida (90 deg. at Ft. Myers and Orlando) and up the East Coast, with a couple of 80-degree readings in Eastern PA.  The Northwest Coast was warm (86 in Seattle and 88 in Portland).  Cool weather ruled from Montana to New Mexico and West Texas – across the Great Lakes and Ohio Valley into New England.  Imokalee FL was the warmest in the U.S. at 93 deg. and there were 4 locations in UT and WY that shared the nation’s lowest temperature at 12 deg.).  

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