Diana Leonard

San Diego, Calif.

Diana Leonard is a San Diego-based science journalist covering weather and climate in California and the West, and has frequently written about wildfire and other hazards for The Washington Post. A Pittsburgh native but a longtime California resident, she holds MA and PhD degrees in Geography from the University of California at Berkeley.
Latest from Diana Leonard

Mountains in the West have a lot less snow than they should right now

Some areas have less than a third of the amount of snow that they should have in January.

January 5, 2024

Massive waves slam California, with more expected Saturday

Waves continue to pummel the West Coast, flooding beaches as far south as Los Angeles and scattering logs across roads as far north as southern Oregon.

December 29, 2023

Massive, treacherous waves hit California coast

“People are advised to stay out of and well away from the water,” the National Weather Service for the Bay Area said as California is bracing for giant waves.

December 28, 2023

As El Niño looms, California braces for storms and floods

The Golden State is bracing for more floods, not even a year removed from one of its wettest stretches on record.

October 13, 2023

Why Hilary didn’t cause more damage in California

Thanks to its California’s steep terrain, dense population and vast area burned by wildfires over the past several years, it probably takes less rain to cause serious flooding in the state than in other locations typically hit by hurricanes and tropical storms.

August 23, 2023

Hurricane Hilary barreling toward California, ‘life-threatening’ flooding possible Sunday

More than 10 inches of rain could fall in some parts of Southern California, but dangerous flooding could happen anywhere. Flood watches blanket a wide swath of the Western U.S.

August 19, 2023

Lightning sparks fast-growing fires in Northern California

The risk is high for more blazes through Thursday.

August 17, 2023

Wildfire risks are rising across U.S., from Hawaii to Oregon to Texas

Many spots face heightened wildfire risk in the coming weeks and months — from the West to the Deep South to the Upper Midwest, as well as Hawaii and Alaska.

August 14, 2023

The U.S. wildfire season has been eerily quiet. That could soon change.

The highest wildfire risk is in the Southwest, where some areas are under an excessive heat warning through the holiday with temperatures above 115 degrees.

July 3, 2023

It’s been unusually cold and gloomy in California. What’s going on?

While much of the continent is roasting under heat domes, coastal Californians have been shivering for most of the year.

June 22, 2023