Yesterday’s frontal passage left us right on the fringes between two air masses. GOES-16 Water Vapor imagery (below) does a great job showing this: dry air can be seen as the warm, orange color; moist air is the cooler, blue color.
Humidity Relief Today; Afternoon Rain/Storm Chances; Heat and Humidity Return this Week
Rain and Storms Today, Heat Wave Continues: Sweet Humidity Relief Tomorrow!
Today’s lunchtime thunderstorm is prompting forecast changes. We thought tonight would be rainy/stormy, but it appears this big thunderstorm has taken all the fuel needed to maintain storms later today and tonight.
Heat Advisory Today; Rain & Storms as Cold Front Passes Tomorrow
The Heat Wave Continues
NWS Nashville has placed Williamson and Davidson Counties in a Heat Advisory between 11 AM and 8 PM today.
More from NWS Nashville:
The combination of heat and humidity will lead to an increased risk of heat-related stress and illness. The very young, the elderly, those without air conditioning, and those participating in strenuous outdoor activities will be the most susceptible. Also, car interiors can reach lethal temperatures in a matter of minutes.
Exceptionally Hot 4th of July: Heat Advisory, Heat Index to 105°. Also, Rain Friday, Nicer Weekend.
Happy 4th of July!
The United States of America is turning 242 years old today (no… not 2018 years old…)
[Editor’s Note: that’s The Intern’s joke. I would have led with: “We’re celebrating our 242nd birthday with a heat index of 242°.” You decide which joke is better.]
Hot & Humid Fourth with Reminder About Valley Forge
Afternoon Rain Chances
Cloud cover should increase this afternoon, tossing shade and bringing our high temps down. The high will hover around the low 90s. Dewpoints remain in the low 70s – humidity will be “oppressive.”
More Heat and Humidity; Late Afternoon Rain Chances
Hot and Humid Today
GOES-16 satellite imagery allows us a bird’s-eye view of Middle Tennessee. As of this morning, skies are relatively clear, with a few cumulus clouds. Lack of clouds will allow plenty of sunshine to come through, and temps will begin to climb.
Heat & Humidity Continues, Rain/Storm Chances, NW Flow Next Weekend?
It’s simple, really.
Low 90°s Heat and Oppressive Humidity all week.
The heat index will be near 100° every day in the shade, higher for those working in direct sunlight.
Rain and storm chances remain the same each day this week. There is no reliable way to ascertain whether it’ll be raining during any of your specifically-timed outdoor activities this week, generally, however, we think the following is true:
Triple Digit Heat Index Possible Today; Talking About Rain Chances thru the Fourth
This morning, NWS wrote:
A slight veering of the surface winds to more southerly today may allow slightly higher dewpoints to advect into the region which could push heat index values into the 100° to 105° range particularly across the Nashville to Clarksville corridor.
Heat Advisory to the West, Monitoring the Upcoming Holiday Week
The National Weather Service has issued a Heat Advisory again today for areas west of Nashville. That means the heat index is supposed to be in the range of 103º to 105º. We shouldn’t get that hot here, but it’ll be close. Heat indices will be near 100º today in Nashville.
Hot & Humid Weekend Ahead
One week ago: “I sure wish it would rain. It never rains. We need rain really bad. My garden is dying. When is it going to rain?”
Today: “Enough rain already. Everything is flooded. Make it go away. Please stop. STAAAAAHHHHHP!”
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