You are browsing the archive for flash flooding Archives - Dan's Wild Wild Science Journal.
12 December 2019
NWS Makes Needed Changes to Flash Flood Warnings
What is the number one weather killer in the United States? Did you say tornadoes or hurricanes? If so, you are wrong, but don’t feel bad because everyone misses this question. What IS the main weather killer? In most years it is heat but close behind is floods and particularly flash floods. It seems that nearly every year brings a flood event with great damage and several fatalities. Then there’s …
11 June 2018
Ridiculously Wet Weather Across the Eastern U.S. Is Not Really A Surprise
The entire Mid-Atlantic has had a very wet last 30 days. Look at the map below and note that some areas of had 400% of normal rainfall in the last month! Now look at the Southeast U.S. and Florida: We’ve seen some incredible downpours in the last 30 days from Ellicott City and Ocean City here in Maryland to Philadelphia last night! This is already causing alarm for farmers as …
2 August 2016
The Data is In from Ellicott City’s Flood Saturday Night. It’s Incredible.
The NWS in Baltimore-Washington posted an excellent summary of the data from the historic (and deadly) flood in Ellicott City, MD. on Saturday evening. I wrote about this flood yesterday but there is even more data now from flood gauges on area streams and more precise rainfall data. Go here: http://www.weather.gov/lwx//EllicottCityFlood2016 . The stream gauge data shows just how quickly the local streams can rise in an event like this. There has …