Weather Why’s
What Is a Panhandle Hook?
Learn what a Panhandle Hook is, how it forms, and why it brings heavy snow, blizzards, and major winter impacts across the Midwest and Great Lakes.
How Weather Affects Joint Pain: Debunking Myths and Finding Relief
Can weather trigger joint pain? Learn how barometric pressure, cold, and humidity affect arthritis and tips to ease discomfort.
What Is Flash Flooding? Understanding Causes, Dangers, and Myths
Flash flooding is a fast, deadly surge of water caused by heavy rain or dam failure. Learn its causes, dangers, myths, and key safety tips to stay safe.
Iowa Fall Foliage: When Peak Colors Hit
Discover when Iowa’s fall colors peak by region and which trees bring the brightest reds, oranges, and golds. Plan the perfect autumn leaf-peeping trip.
Elevated vs. Surface-Based Thunderstorms: Why It Matters in Severe Weather Forecasting
Learn the difference between surface-based storms and elevated storms, including tornado and hail risks, with real-world examples.
Tornado Watch vs. Tornado Warning: What’s the Difference?
Learn the difference between tornado and severe thunderstorm watches and warnings. Know when to prepare and when to take shelter during severe weather.
Freeze Warnings vs. Frost Advisories
Learn the difference between Frost Advisories and Freeze Warnings in Iowa, when they’re issued, and why criteria vary by state and county.
Sun Halos: What They Are, How They Form, and What They Mean
Discover how a sun halo, or rainbow around the sun, forms, what it means for the weather, if it’s dangerous, and other stunning ice crystal phenomena.
What Is a Derecho? 2025 Updated Criteria
Learn about the updated 2025 derecho definition, including new criteria like hurricane-force gusts, storm length, and what qualifies a storm as a true derecho.