The Super Outbreak of 1974: The Day That Redefined What Tornadoes Could Do

148 Tornadoes in 18 Hours On April 3 and 4, 1974, a tornado outbreak of unprecedented scale swept across the eastern United States. In 18 hours, 148 tornadoes touched down across 13 states — from Alabama to Ontario, Canada — killing 330 people, injuring more than 5,000, and leaving a trail of destruction that defied […]
Hail Myths Debunked: What You Think You Know About Nature’s Frozen Projectiles

Peak Hail Season Is Here. Get the Facts Right. Hail causes more property damage in the United States each year than any other thunderstorm hazard — more than tornadoes, more than lightning, more than straight-line winds. Insurance industry data consistently puts annual hail damage in the billions of dollars, and the peak of the hail […]
Why Warm Nights Wreck Your Sleep: The Physiology of Sleeping in the Heat

May Nights Are Getting Warmer. Your Sleep Is Noticing. Sleep that was solid through the cool nights of March and April starts to fragment in May. You wake more often, feel less rested despite adequate hours in bed, and notice that the bedroom that felt comfortable a few weeks ago now feels stuffy and too […]
How Doppler Radar Works: The Technology Behind Every Tornado Warning

The Tool That Changed Everything About Severe Weather Safety Every tornado warning you’ve ever received was issued because a meteorologist looked at a radar display and saw something specific: a rotating signature inside a thunderstorm, a hook echo curling around a circulation, a velocity couplet indicating wind moving toward the radar from one direction and […]
Why Exercise Feels So Much Harder When It Gets Warm and Humid: The Physiology of Hot-Weather Training

The Same Run Feels Completely Different in May Than March Run the same three-mile route on a 45°F March morning and again on a 75°F May afternoon with 70 percent humidity, and the difference is startling. The pace that felt comfortable in March requires what feels like maximum effort in May. Heart rate climbs higher […]
Why May Is the Deadliest Month for Tornadoes—and What That Means for You

The Most Dangerous Tornado Month Has Arrived April tornadoes get significant attention because they arrive early in the season and catch people psychologically unprepared for severe weather. But statistically, May is the most active and most dangerous tornado month in the United States. More tornadoes touch down in May than any other month. More significant […]
Water Safety for Dogs: What Every Pet Owner Needs to Know Before Summer

Water Season Has Arrived — and So Have Its Hazards The first warm weekends of May bring dogs to lakes, rivers, and backyard pools across the country with enormous enthusiasm. Most dogs love water, and the combination of warm weather and available swimming looks like pure joy from the shoreline. For the most part, it […]
Why Coastal and Lakeside Weather Is So Different: The Science of Sea and Lake Breezes

The Wind Off the Water Has a Specific Physics Anyone who has spent time near a large body of water — an ocean coast, one of the Great Lakes, a large inland lake — has noticed that the weather there operates by different rules than the weather just a few miles inland. On a hot […]
Cook With What’s Growing: Spring Herb Recipes for Early May

The Best Herb Season of the Year Is Right Now Something happens to herbs in early May that doesn’t quite repeat at any other point in the year. The plants that spent March and April establishing roots and building structure suddenly hit their stride — producing leaves that are tender, intensely aromatic, and more flavorful […]
The May 1985 Tornado Outbreak: The Deadliest Storm in Pennsylvania History

A Region That Didn’t Expect Tornadoes When people think of tornado country, Pennsylvania and Ohio rarely come to mind. The Great Plains, Oklahoma, Kansas, Texas — those are the places where tornadoes happen. The forested hills and river valleys of the mid-Appalachians feel like a different world from the flat, open terrain of Tornado Alley. […]