“Is El Niño making storms and flash floods in the Southwest worse?”
Experts say the natural warming cycle is sizzling Pacific Ocean waters and leaking moisture into the air that can fuel passing storms.
Read at PBS NewsReported by one source so far. It is confirmed when a second, independent source reports the same thing.
The shading behind a date drains as it ages: full when new, three quarters at 1 hour, half at 6 hours, a quarter at 12 hours, empty after a day. The date is when the source published it.
The line under a story shows when it was reported. Now is at the end. The shaded part runs from its first article to its latest; each mark is an article, taller where several came out within 15 minutes. In lists the line is the last two days, so stories compare; a faded start means the story began earlier. On a story page it runs from the first article to now.