April 9 2020
The Wind Advisory lived up to expectations today with a gust of 51 mph at Baltimore’s BWI. There was widespread reports of tree and power line damage. We also had a slight risk for severe storms, and warners were issued as a strong cold front crossed the region.
But then pictures and video came in that looked suspicious. SCUD cloud or Water Spout?
What actually blew through the Middle River area of Southeast Baltimore County?
A Natural Resources Police Officer captured this photo from Strawberry Point. It looks like a funnel cloud.
Then quite a few people send me these photos from Jess Urban. This was in the Middle River area by Turkey Point Park.
Why was it?
At first glance, my guess was this was a SCUD Cloud. That is low level condensation named for ‘scattered cumulus under deck’. This can get pulled into an updraft and often be confused for a funnel cloud.
Then I got more information from UPS Driver Karl Martins. He sent me this video, with a map and more information below.
You may want to watch this a few times, and make sure it is in full screen mode. There is distinct influx of low level moisture being pulled in and up. When you notice the vortices (spins) on the edge and below the main cloud base, it does appear to be disconnected.
From Karl Martins:
Time 12:21 PM
Location Bowleys quarters, MD 21220. He was near Galloway creek, pinned on the map. The apparent funnel is where the X is on the map. I added in the funnel image for reference.
If this was over the water, beyond the line of trees, then there was ample moisture to feed into this mystery.
New Video from Essex MD Thanks to Karen Weeks.
The common acceptance is that this is a SCUD Cloud. It does seem disconnected from the main cloud base, but watch the circulation closely.
These two views include the Doppler Radar and Velocity Wind Scans. This does not appear to show classic rotation. However there can be small vortices that don’t get picked up by the radar. We saw multiple spins in the video to support this and I still have questions I am asking my fellow meteorologist buddies and NWS to explore.
Velocity Scan does not appear to have rotation.
These appear to show the base of the cloud lifted off of the water, then appearing to dissipate. Lauren Bederka-Lear captured this view also from Middle River. This may help to prove that it was not a funnel cloud or water spout. But perhaps it tried briefly?
Keep checking on the social media feed you saw this post for any suggestions from my friends in the Meteorological community.
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See the maps for when we normally expect the first frost in this link.
Baltimore Weather At BWI May Not Be As Hot As Reported
Construction at the airport close to the weather station may be added artificial heat. Click here or the image for the details.
Atmospheric Memory Shaped The US East Coast
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