đ©ïž Storms Tonight? Letâs Talk About It â Real Talk, Calm Mind
- Sumner County Severe
- May 16
- 4 min read
Hey friends,
I know days like today can make your stomach tie in knots. The radar lights up, the sky looks unsettled, and you hear terms like supercells, lapse rates, and storm-relative helicity thrown around like popcorn. Add in a sounding like this one from NWS Nashville (BNA/OHX), and itâs easy to start feeling overwhelmed â or downright scared.
But take a breath. Letâs slow this down and talk about whatâs really going on in the sky over Middle Tennessee, and most importantly â what it means for YOU.

đĄïž First Off: What Are We Looking At?
That rainbow spaghetti chart you see? Thatâs called a sounding â NWS Nashville launched a weather balloon to give us a vertical slice of the atmosphere. It tells meteorologists how warm, moist, and unstable the air is at different heights. And the one we got today... well, itâs spicy. But letâs break it down:
đ„ What Makes This Sounding So Strong?
Here are a few standout features:
LI (Lifted Index) = -12: This is a measure of instability. The more negative, the more likely the air wants to rise explosively. Think of it as a balloon with a lot of helium and barely any string holding it down.
700-500mb Lapse Rate = 8.7°C/km: This is how fast temperatures drop with height between 10,000 and 18,000 feet. The steeper it is, the more ârocket fuelâ storms can tap into. And this is very steep- favors large hail.
Storm-Relative Helicity (SRH) = 328 in the low levels of atmosphere: Helicity is a fancy word for spin. When a storm taps into this kind of spin, it can rotate. Thatâs how supercells â and sometimes tornadoes â happen. Itâs a key ingredient.
CAPEs over 3,000 J/kg: CAPE is Convective Available Potential Energy. Think of it like thunderstorm calories. This is high enough to support explosive updrafts, meaning storms could build tall and strong.
đ„ïž But Itâs Not All âGoâ â The Inversion Story
Hereâs a twist: Thereâs an inversion present â a layer of warm air aloft that can act like a lid on a pot of boiling water. As long as that lid stays firm, storms won't be as strong.
But the caveat: âWon't.â Right now, the atmosphere is so loaded with instability that the lid isn't doing much to hold it back. That said, as we cool tonight, that inversion might strengthen and act more effectively â meaning storm chances could go down later, not up.
â So Whatâs the Bottom Line?
Hereâs what we know:
The atmosphere is âprimed.â If storms go up, they could get serious fast. We're talking hail, damaging winds, and potentially a tornado or two.
But high impact severe storms are not guaranteed. The âlidâ in the atmosphere might keep the worst from forming â especially if it strengthens before things get going.
We're watching carefully. The National Weather Service and local meteorologists are glued to the data, and they'll sound the alarm if things turn south.
Timing?
Still after 10pm... Good News! Out of here by 2AM at the latest!
My concern Level?
Staying around 4 out of 10
More concern about the Damaging Winds and Large Hail, then tornadoes... But tornadoes are still possible
What's else?
Tornado Watch will be coming out within the next hour or so (per NWS)

đ§ How to Prepare Without Panic
If youâre storm-anxious â youâre not alone. But anxiety thrives in the unknown. Hereâs what you can do right now to calm your mind and be ready:
â 1. Get Alerts Set Up
Wireless Emergency Alerts on your phone? Turned on.
NOAA Weather Radio? Batteries fresh.
Favorite local weather app? Notifications enabled.
Social Media- (TSpotter Social Media Accounts)
đ 2. Know Where to Go
Your safe place is the lowest level, away from windows â a basement, hallway, closet, or bathroom.
If youâre in a mobile home, identify the nearest sturdy shelter now. Donât wait.
đ 3. Prep a Storm Kit
Flashlight, extra batteries
Shoes (always good to have on in case of damage)
Charger battery pack
Weather radio
Snacks, water, medications
Favorite calming thing â book, fidget toy, something to ground you
đ§ 4. Breathe. Seriously.
Take 5 slow, deep breaths.
Focus on what you can control. Thatâs your safe plan and your response.
Let us watch the sky. Thatâs our job. Yours is to stay calm, stay ready, and be smart.
One Final Thing... Make sure to follow SumnerSevereWx on all Social Media Accounts.
- Here's a website called Linktree with all the links to all Social Media Accounts.
Tell your family members, friends, neighbors and community. Feel free to share with all FB or any other social media groups!
Link -----> https://linktr.ee/SumnerCountyWX
â Final Thoughts
Yes, this sounding is intense. But that doesnât mean doom is guaranteed. Think of it like a loaded gun sitting on a table â it's dangerous only if something pulls the trigger. We watch for that trigger. We warn you if it happens.
Until then, stay aware â not afraid.
Weâve got this.
Youâre not alone
Stay safe,



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