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Meteorologist Mark’s Tues Wx Blog for Mar 30


•Flash Flood Watch begins at 7:00 p.m.

•A very wet Wednesday

•Lows well below freezing by Thurs & Fri a.m.

NOTE: I’ll be at Grinder House Coffee, located on Main Street in Crossville (across from French’s Boots) on Saturday, April 3rd, from 11:00 – 1:00 if you need help setting up a weather radio or if you just want to chat! Stop by and have some coffee and chat with me! I’d love to meet ya! Remember, you can order that weather radio at and likely have it here by Saturday!

Meteorologist Mark’s Wx Vlog 

48-Hour WX

Five-Day Forecast

Daily Forecast Summary

Today: Mostly sunny. A few clouds by evening. Breezy.

Wednesday: Heavy rain and t-storms. Breezy. Temps falling in the afternoon.

Thursday: Mostly sunny and much colder.

Friday: Mostly sunny. Continued cool.

Saturday: Mostly sunny and warmer.

48-Hour Precip Forecast

Meteorologist Mark’s 5-Day Wx Concerns

Very gusty winds over the next few days (March winds, right?) could pose a bit of a risk, due to grounds being so saturated. Shallow-rooted trees could fall in stronger wind gusts.

If you live in a flood-prone area on the plateau, be aware that heavy downpours with this system tonight and tomorrow could cause some issues. This is especially true if you live near a river or stream that is already flowing full of water.

Finally, a very heavy frost is expected by Thursday and Friday mornings. You better protect that tender budding vegetation if you want those buds to survive this.

Meteorologist Mark’s Wx Discussion

The heavy rains from this system will have few places to go, with the ground already so saturated. Hopefully, today’s warm temps and breezy winds will help dry out some area soils and even help some area rivers and streams drop a bit.

The Storm Prediction Center does have a marginal risk for a strong storm for much of Middle TN, but the heavy downpours should be our main concern (flash flooding).

The colder air following this front is no joke! April Fool’s Day will be one of the chilliest days we’ve seen in some time, with highs in the low to mid 40s! That will lead to overnight lows in the 20s. In fact, some guidance is suggesting that Friday morning lows could be 22-24 degrees! Over in the Smokies, they could even see some snow Wednesday night.

On This Day in Wx History

1987 – A powerful storm system spread heavy snow across the Ohio Valley and Lower Great Lakes Region. Cleveland, Ohio, received sixteen inches of snow in 24 hours, their second highest total of record! Winds gusting to 50 mph created 8 to 12 foot waves on Lake Huron. The storm also ushered in unseasonably cold air into the south central and southeastern U.S., with nearly 100 record lows reported in three days.

A Year Ago Today

Almanac for Yesterday

Solar/Lunar Data 

82 Days until Summer!

Yesterday’s National Temperature Extremes

High:  97° at both Lake Havasu City, Arizona & Ocotillo Wells, California

Low:   at Spincich Lake & Champion, Michigan 

Today’s National Wx Hazards

A flash flood risk extends across much of West and Middle TN and surrounding areas. Snow flakes are falling across the northern plains and Rockies. A wildfire danger remains across much of southern New Mexico.

Tomorrow’s National Wx Hazards

A rain/snow mix extends down the Appalachians for Wednesday evening and night. That mix also affects much of the Northeast. Winter makes a brief return to the eastern US!

NASA Nerdology 

During this week in 1996, the DarkStar prototype made its first flight. DarkStar was created to be a stealth aircraft that could supply reconnaissance data from enemy territory. Its unique shape allowed the aircraft to be more stealthy from the sides, so that it could orbit its target.

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

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