Meteorologist Mark’s Wx Blog for Thurs., Feb. 25

Headlines 

Squeezing out one more nice day

A wet pattern begins as early as tonight

Heavy rainfall and t-storms likely this weekend

Meteorologist Mark’s Wx Vlog 

48-Hour WX

Five-Day Forecast

Daily Forecast Summary

Today: Mostly sunny, though clouds will be increasing as we get later into the day. Showers develop late tonight.

Friday: Showers likely.

Saturday – Sunday: Rain and thunderstorms. Some of the rainfall could be heavy.

Monday: Mainly morning showers.

48-Hour Precip Forecast

Meteorologist Mark’s 5-Day Wx Concerns

Rain showers will develop later tonight and then be with us through the weekend. Some of that rainfall will be heavy enough to cause some localized flooding issues. Areawide, I’m expecting 2-3 inches of rain, with some folks getting an inch or two more than that, especially if you find yourself under some of the thunderstorms. Severe storms are expected to stay south and west of the plateau.

Meteorologist Mark’s Wx Discussion

A very wet pattern is looking in the cards, starting late tonight. A weak cold front passed through last night and will stall just to our south. In the coming days, it will drift north and south across Tennessee, at times as a weak cold front and at times as a weak warm front. Overhead, upper level winds will be screaming at times, adding more than enough lift to cause our surface air to rise upward, cool, and condense into rain. Some of that rain will be heavy.

As for severe weather, that continues to look to stay to our south. I wouldn’t be surprised if some strong storms come our way, but this is primarily a heavy rain event.

Next week is looking wetter with every model run. Spring rains are here! Let’s just hope stronger spring storms stay at bay.

On This Day in Wx History

1894- One of the most severe snowstorms in Middle Tennessee’s history produces record accumulations at Carthage (15″), Byrdstown (14″), and Franklin (11″). Lesser amounts are measured at Nashville (9.7″), Clarksville (9″), Waynesboro (7″), and Hohenwald (6.5″).

Almanac

22 Days until Spring!

Yesterday’s National Temperature Extremes

High: 95° at Falcon Lake, Texas 

Low: -17° at Copper Basin, Idaho

Today’s National Wx Hazards

The most impactful weather can be found along the northern tier of the country, along the Great Lakes region and stretching eastward to New England. That threat will be accumulating snowfall. Even more snow can be found across the Rockies, with very heavy snowfall expected in the mountains of the Pacific Northwest.

Tomorrow’s National Wx Hazards

As precip from the south moves in, it may mix with freezing rain and sleet for areas just east of the Appalachian Mountains. That could certainly impact travel, especially in the morning hours. More very heavy snow is expected in the Rockies and the Cascades.

 Weather Shots

What a difference a week makes! This is total snow coverage across the country for Feb. 18 and today. That’s a lot of snowmelt!

NASA Nerdology 

The first image from the surface of Mars came in 1965 and had to be hand colored. It looked like a piece of modern art that is anyone’s interpretation. Contrast that with today’s panoramic views of the Red Planet that make you feel like you’re standing beside the rover that’s taking the pictures.

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

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