The last weekend of the summer… 2020
Temperatures will be noticeably cooler as we head into the last weekend of summer 2020. It has been quite a ride this summer with most of the meteorological attention being focused on the Tropics. High pressure will be setting up camp over the eastern portion of the country and the result for the Commonwealth will be quiet and dry weather. The dry air and cool air imported from the northeast will allow the temps to cool around 10° below normal in the afternoon and about 15° below normal overnight. This pattern will linger into the beginning of next week, before we get back into the 70s by Tuesday. In my opinion, it will be nice to get a few dry days in a row again as we get a taste of Autumn this weekend.
Saturday will be mostly sunny and dry with highs much cooler than normal, topping out in the middle 60s, normal is upper 70s this time of year. Chilly overnight with lows in the low to middle 40s.
Sunday looks to be about the same, with a chilly start and a cool afternoon under sunny skies.
Monday will be similar to Sunday then we warm up a bit as we begin the new season on Tuesday.
Fall arrives officially on Tuesday at 9:31 am when the direct rays of the sun cross the Equator. This is the half way point of the perpendicular rays as the migrate back and forth between the Tropic of Cancer to the north and the Tropic of Capricorn to the south. We should start to notice the leaves changing up a bit this weekend, and I am hopeful that this year we will be looking at a much more vibrant year color wise than the past few. So, what makes the leaves change color, simple, the chlorophyll in the leaves is green and that is what enables plants to use the sun to create food. As the days get shorter and cooler chlorophyll production slows down and eventually stops, then the other colors present in the leaves get to show up. Much more on that in a later post.
As for the remnants of Sally, she is off the coast but left several inches of rain behind. Here is a breakdown by county of the rainfall from Sally.
The Staunton River at Randolph is expected to reach flood stage overnight but dip below flood stage before sunrise.
The Dan River at South Boston is not expected to reach action stage, but it is still running fast and close to full.
And the rest of the tropics are continuing to impress as we are now using the Greek Alphabet to name the storms. Wilfred formed off the coast of Africa very quickly Friday morning, and Alpha become the first named storm to use the Greek alphabet since 2005. But it wasn’t the storm in the Gulf of Mexico, that more than likely will be Beta, but Alpha is a Sub-Tropical Storm off the coast of Portugal. What a wild year.
Tropical Storm Beta has been named in the Gulf of Mexico. This cyclone may make landfall as a Cat 1 Hurricane early next week.
Stay safe and healthy
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