Terrific rainstorm in downtown Baltimore
It's been absolutely pouring in downtown Baltimore since shortly after 6 p.m. There were no warnings from the weather service. There is almost nothing showing on radar.
But the streets are full of water, the visibility is much reduced in heavy rain and lashing winds. And anyone caught outside will be drenched.
The instruments at The Sun show almost three-quarters of an inch of rain have fallen, sometimes at nearly 7 inches an hour.
And now, there is a full arch rainbow over East Baltimore as seen from The Sun building.
"It was just a shower that developed along the bay breeze," said Nikole Listemaa, a NWS meteorologist at the regional forecast office in Sterling, Va., The bay breeze occurs when sunshine heats the land, causing the air above it to rise. That draws in cooler air from the bay. The bay breeze collides with the rising air over the land. It rises, cools and its moisture condenses, triggering a thunderstorm.
This one was small, Listemaa said. "Looks like it actually missed BWI airport and probably missed Martin State Airport. It was just one lone shower or thunderstorm that stayed over the same area for a little while."
It was not severe, hence no Severe Storm Warning. There were a few lightning strikes, but not many, she said. Radar estimates show an inch and a half of rain. "Looks like most of that fell over the Inner Harbor area."
(SUN PHOTOS: Frank Roylance)