Wind gusts up to 95 mph were recorded in eastern Iowa. Severe thunderstorm warnings and watches are in effect.
Before June 29, 2012, few people had ever heard of a derecho. The sheets of rain and crushing winds that sweltering evening changed everything. Relive how it all came together through a series of telling graphics.
Imagine what it was like for the tourists visiting the Jefferson Memorial during the derecho of June 29, 2012. This video captures that stormy scene.
After the June 13 complex of storms exited the coast, the ocean abruptly pulled back before reversing course and crashing inland, raising the sea and the prospects that the storms may have triggered a small tsunami along the eastern seaboard.
Whereas the June 12-13, 2013 event was larger, traveled farther, impacted more states, and spawned more tornadoes, the June 29, 2012 event featured overall stronger wind gusts and traveled faster.
For days, rumors of derechos and not-derechos were swirling around throughout much of the country. And then it happened. Or it didn’t.
The derecho talk has become a huge distraction. Focus on the potential impacts of the storms that may affect us tonight and tomorrow: they're dangerous.
I am unconvinced there's reasonable confidence D.C. will experience derecho conditions Wednesday night, and - though it can't be ruled out - I cringe at sounding the alarm so soon.
June can be an extraordinary month for severe weather in the D.C. area with damaging winds being the most common hazard.