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MM’s Sat Wx Blog for May 1

Weather Headlines

A beautiful start to the weekend

A new storm system arrives by Sunday evening

Watching for strong/severe storms Monday night

Meteorologist Mark’s Wx Vlog 

Unavailable today

Five-Day Forecast

Daily Forecast Summary

Today: Sunny and beautiful.

Tonight: Mostly clear and pleasant.

Sunday: Clouds increase. A very slight chance for an afternoon/evening shower/sprinkle. Those rain chances go up overnight.

Monday: Mostly cloudy. Showers likely, possibly a thunderstorm. Storms become likely overnight, with some of those possibly being severe.

Tuesday: Rain and thunderstorms. Some heavy rainfall is possible.

Meteorologist Mark’s 5-Day Wx Concerns

This morning’s guidance, along with guidance from previous days, indicates an active period from Monday night into Tuesday. I’ll keep a close watch on things and let you know if the threat increases in future outlooks.

The Storm Prediction Center (SPC) has already placed our region in the marginal risk for severe storms for mainly Monday night. While this is the lowest of the five risk categories, the SPC often reserves highlighting areas three days out unless they’re growing rather concerned. In other words, this risk is liable to increase in later outlooks.

Meteorologist Mark’s Wx Discussion

We couldn’t ask for a better Saturday! What a nice day! Enjoy it! The pattern begins changing by tomorrow, though we’ll likely squeeze out another decent day tomorrow.

Then, we’ll turn all of our attention to Monday and mainly the overnight hours. A very volatile atmosphere may develop to our west during the day and overspread our area by night. All the ingredients for severe storms may come together over Tennessee for some potent thunderstorms. This is a few days out, so things may change, of course. I’ve seen these situations turn to more of a heavy rain scenario in the past. We’ll hope for that here!

It’s May and you should have your severe weather safety plan down pat! Never the less, review it, since we haven’t used it in a while. Remember, have a whistle (helps people find you) and a flashlight (perhaps a lanyard with both around your neck? I had that suggested this week.). Have a helmet for your head. Go to the lowest level of the home, away from windows, with as many walls between you and the outside as you can get. Abandon mobile homes. Have multiple ways to get warnings, including apps (Red Cross Tornado app is good, as well as the WATE-Ch 6 Weather app) and have a weather radio.

Almanac for Yesterday

On This Day in Wx History

1963- Temperature at Nashville drops to 34, setting a record low for the month — a record that would be tied the very next day.

50 Days until Summer

Yesterday’s National Temperature Extremes

High:  110° at Ocotillo Wells, California (Way too early for this kind of heat!)

Low:   17° at Peter Sinks, Utah 

Today’s Tennessee Weather 

Taking a short road trip today in Tennessee? Don’t worry about the weather! It’s a beautiful day from one end of our beautiful state to the other!

Map created by

Today’s National Weather Map

The weather is looking pretty good nationally, as well, especially for this time of year. The biggest trouble spot is in southern Texas, where flash flooding is a big threat today. It’s not a pretty Saturday for them at all. Other than that, just look for unsettled weather across the northern tier of the country (nothing high-impact), along with a wildfire danger for the conjuncture of Utah, Arizona, and Nevada.

Drought Monitor

The drought monitor is updated each Thursday.

NASA Nerdology 

The Mars Helicopter completed its 4th flight, going farther & faster than ever before! It also took more photos as it flew over the Martian surface. We expect those images will come down in a later data downlink. You can see the helicopter near the center of the right edge of the image below.

The chopper climbed to an altitude of 16 feet, before flying south approximately 436 feet, and then back, for an 872-foot round trip. In total, the Mars Helicopter was in the air for 117 seconds.

You all have a great day and keep lookin’ up!

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