StormLabz

07/14/2025

Just a reminder that we have not went anywhere! There has just been not a lot of active weather in our area of the country (Tennessee). Severe weather season is in winddown effect right now outside of popup summer showers.

If this weather pattern changes I will let you know! For now enjoy the summer and stay hydrated when outdoors!

Blake

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05/20/2025

Severe weather expected today for pretty much all of Tennessee. For us here in southeast TN/N GA/NE AL our tornado threat will be the highest especially during this first round. First round of storms could have discrete supercells that could rotate, second round will be more of a line of storms where the primary threat is wind. Be weather aware!

-Blake

05/19/2025

🚨 SEVERE WEATHER ALERT: 2-DAY OUTBREAK POTENTIAL 🚨
📅 May 19–20, 2025
📍 Southern Plains → Midwest → Tennessee Valley

StormLabz is tracking a major severe weather threat over the next 48 hours.

🔴 TODAY (May 19)
⚠️ Moderate Risk for severe storms across Eastern Oklahoma, NW Arkansas & SW Missouri
🌪️ Strong tornadoes possible
🧊 Hail up to 2"+
🌬️ Wind gusts 70+ mph
🌊 Flash flooding with 2–4" rain totals possible
🕒 Timing: Supercells by afternoon, squall lines into evening/overnight

🟠 TOMORROW (May 20)
⚠️ Enhanced Risk shifts into the Tennessee Valley – including areas of Western/Middle TN, Northern AL, and North GA
🌪️ Isolated tornadoes possible
🌬️ Damaging winds 60–75 mph
🌧️ Heavy rain may cause flash flooding in already saturated areas
🕒 Storms expected from morning through evening with possible re-intensification in the afternoon

📢 What to Do:
✅ Stay weather-aware
✅ Charge your devices
✅ Know your safe place
✅ Have multiple ways to receive warnings

05/18/2025

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05/17/2025

A tornado watch has been issued for much of our followers area in East Tennessee. This watch includes the possibility of a couple of intense tornadoes into the overnight hours, strong wind and large hail. Please have a way to recieve warnings, nocturnal tornadoes are one of the most fatal things that occur in weather.

05/15/2025

🌪️ StormLabz Severe Weather Outlook – Friday, May 16, 2025

⚠️ MODERATE RISK (Level 4/5) of Severe Thunderstorms
A significant severe weather outbreak is expected across parts of the middle Mississippi and Ohio Valleys on Friday afternoon into Friday night. This includes portions of southeast Missouri, southern Illinois and Indiana, and central and western Kentucky.

🧭 Affected Regions:
Ohio Valley: Southern Indiana, central and western Kentucky, southern Ohio

Missouri Valley: Southeast Missouri, southern Illinois

Tennessee Valley & Plateau: Middle and eastern Tennessee, including the Cumberland Plateau

West Tennessee: Memphis, Jackson, and surrounding areas

⛈️ Primary Hazards:
Tornadoes: Potential for a few intense supercells capable of producing tornadoes, especially in the afternoon and evening hours.

Damaging Winds: Widespread wind gusts exceeding 70 mph, particularly with organized bowing line segments during the evening into the overnight.

Large Hail: Hailstones up to 2 inches in diameter possible with the strongest storms.

Flash Flooding: Heavy rainfall rates may lead to localized flash flooding in vulnerable areas.

🕒 Timing:
Afternoon: Isolated supercell development with risks of large hail and tornadoes.

Evening into Overnight: Transition to a more organized line of storms (QLCS) with an increased threat of damaging winds and embedded tornadoes.

📍 Local Forecast Highlights:
St. Louis, MO: Severe thunderstorms likely in the afternoon with potential for large hail and tornadoes.

Nashville, TN: Showers and thunderstorms expected, some possibly severe with damaging winds and hail.

Columbus, OH: Mostly sunny and humid; breezy in the afternoon with a stray shower.
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🔔 Safety Recommendations:
Stay informed by monitoring local weather updates and alerts.

Review your severe weather safety plan, including shelter locations.

Charge electronic devices in case of power outages.

Avoid travel during severe weather conditions if possible.

05/14/2025

Severe Weather Outbreak Possible May 16–17 | Tornado & Hail Threat Increasing

In today’s StormLabz update, Blake discusses the severe weather risk for May 16–17, with an enhanced risk of tornadoes, large hail, and damaging winds. Watch to see where the storm action will be most intense and how to stay safe.

05/12/2025

Pretty insane storm structure this afternoon in Ooltewah!

05/11/2025

Here are the areas to watch for severe weather in the coming days. More to come on this but the ingredients are coming together for a concerning weather pattern.

05/11/2025

🚨 Severe Weather Alert: Elevated Supercell Potential May 15–25

The latest CFSv2 guidance from Northern Illinois University (NIU) highlights a concerning uptick in the Supercell Composite Parameter (SCP) across the Central Plains and Mid-South during the period of May 13–26, 2025. Elevated SCP values suggest a favorable environment for supercell development, which can lead to large hail, damaging winds, and tornadoes.

🔍 What is the Supercell Composite Parameter (SCP)?
The SCP is a composite index that combines key atmospheric ingredients—directional shear, speed shear, and instability—to assess the potential for supercell thunderstorm development. Higher SCP values indicate a greater likelihood of supercell formation.

🗓️ Forecast Highlights:

May 15–17: Increasing instability and wind shear across the Central Plains.

May 18–21: Potential for organized supercell activity extending into the Mid-South.

May 22–25: Continued elevated SCP values suggest sustained severe weather potential.

📍 Areas of Concern:
Regions within the Central Plains and Mid-South, including parts of Oklahoma, Kansas, Missouri, and Tennessee, should remain vigilant as conditions evolve.

While this is a very early stage system/pattern and a lot is unknown, severe weather season is really about to ramp up as we roll into peak season!

📢 Stay Informed:

Monitor local weather forecasts and alerts.

Review your severe weather safety plans.

Ensure you have multiple ways to receive warnings.

05/08/2025

StormLabz Severe Weather Update – May 8, 2025 | 4:43 PM EST
SPC Mesoscale Discussion #0746
Area of Concern: Central and East Tennessee | Tennessee Valley Region

The Storm Prediction Center (SPC) is monitoring the Tennessee Valley, including Central and East Tennessee, for the potential issuance of a Severe Thunderstorm Watch. While no watch is currently active, the environment continues to become more favorable for severe storm development through the evening hours.

Summary of Current Conditions:

A broad zone of moderate instability and wind shear extends from central Kentucky through northeast Mississippi into the southern Appalachians.

Supercells have already developed across the region, producing large hail with multiple reports of 1.00" to 2.50" diameter stones.

Storm coverage is expected to increase, which may lead to clustering and bowing segments, increasing the threat for damaging winds.

Most Probable Hazards (per SPC):

Hail Size: 1.50" to 2.50" diameter

Wind Gusts: 55 to 70 mph

Tornado Intensity: Up to 95 mph (isolated EF-1 potential)

Timing:
Through late afternoon into the evening

Locations of Interest:
Knoxville, Chattanooga, Cookeville, Crossville, and surrounding areas

Recommended Actions:

Closely monitor local weather updates from StormLabz and official sources

Have multiple ways to receive alerts (NOAA Weather Radio, mobile alerts, local news)

Be prepared to seek shelter if a warning is issued

05/08/2025

Spotter confirmed TENNIS BALL sized hail coming down just NW of Knoxville & Oak Ridge.