CENTRAL OHIO

SEVERE WEATHER EXPECTED TODAY 

Central Ohio Weather Update – Saturday, July 12, 2025  8:40 AM (ET)
Region: Columbus & Surrounding Areas 

GRAPHICS PROVIDED BY PIVITAL WEATHER: https://home.pivotalweather.com/ 
 

🔥 Extreme Heat Advisory 

An Extreme Heat Advisory remains in effect through 8 p.m. tonight. 

• Highs: 89–92°F 

• Heat Index: Up to 104°F 

• Humidity: Oppressive, with dew points in the 70s 

• Precaution: Stay hydrated, avoid strenuous outdoor activity, and check on vulnerable individuals. 

⛈️ Severe Weather Potential – This Afternoon & Evening 

Atmospheric Setup: 

• MUCAPE: 2500–3500 J/kg → Strong instability 

• Lapse Rates: 7.0–7.5°C/km → Supports hail and strong convection 

• PWAT: 1.8–2.0 inches → Deep moisture, heavy rainfall potential 

• Shear: 35–45 kt deep-layer, curved hodographs → Organized storms, rotating updrafts possible 

Forecast Highlights: 

• A capped atmosphere early today will erode by late afternoon due to intense surface heating. 

• Trigger mechanisms like outflow boundaries or weak frontal convergence may initiate storms. 

• Storm Timing: Likely between 4 p.m. and 10 p.m. 

• Hazards: 

• Damaging winds > 50 mph 

• Large hail 

• Isolated tornadoes (especially with discrete cells) 

• Localized flash flooding in urban/low-lying areas 

⚠️ What You Should Do 

• Monitor local alerts and weather apps. 

• Secure outdoor items. 

• Avoid flooded roads. 

• Have a plan to shelter if warnings are issued. 

Summary:
Central Ohio faces a dangerous combination of extreme heat and severe storm potential today. Stay weather-aware and take precautions to stay safe and cool.