Storm Reports In Central Maryland From July 17

The break of the heat wave on Saturday July 17 came with strong and severe storms. The primary issue was that some storms were very slow movers. The result was flash flooding in pockets around central Maryland, while others missed out completely.

Here is a quick look at some of the rain and damage reports, storm videos, large hail, and amazing lightning photos.

Rainfall

Rainfall topped 3 inches in some of the cells on the east side of Baltimore.

Another cluster topped 2 inches between Eldersburg and Reisterstown

Storm Damage Reports

Here we see the cluster of Flooding Rain, Wind Damage, and Large Hail in the same areas where the heaviest rain fell.

Storm Damage: Blackjack Trucking

Look closely and you will see the hammer drop at the end. That is quite profound…

Thank you Jennifer Brienza Shiflett for sharing this with me. In her words:

“If you’ve been to our truck yard, then you know the big Sycamore tree that sat dead center where we parked our trucks. It was a big old guy that had been there for decades. It was so sturdy, we had a surveillance camera mounted to that tree. That camera recorded the mighty tree’s final moments in tonight’s storm.”

Lightning Photos:

There were a lot of amazing photos of the storm. The new version of this web site will allow for an easier way to share all of them. But since that is still one month away, I wanted to at least show two great storm pics from my friend Tim Shahan from Silo Point over downtown Baltimore.

I could not decide which lightning image was more impressive.

Radar: Storms Developing Between 12:30 PM and 3:00 PM

Wider View Map

Storm Report List

This list was created in a different format and copied here. I hope it displays on your device.

2021/07/17 08:08 PM	6 SSE FISHING CREEK	ANZ534	MD
*[SOURCE: BUOY; CWA: LWX ]*
2021/07/17 07:11 PM	MOUNT PLEASANT	FREDERICK	MD
TREE DOWN ON MD-26 NEAR CRUM ROAD. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 07:10 PM	1 WSW THURMONT	FREDERICK	MD
TREE DOWN ON FOXVILLE RD WEST OF PRYOR RD [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 05:58 PM	1 NW SMITHSBURG	WASHINGTON	MD
FOUR TELEPHONE POLES AND WIRES DOWN ON LEITERSBURG SMITHSBURG ROAD. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 05:01 PM	3 NNW FRIENDSVILLE	GARRETT	MD
TREE DOWN ON STANTON FRIEND ROAD. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 04:28 PM	2 E ROCKVILLE	MONTGOMERY	MD
LARGE BRANCH DOWN ON POWER LINES ON GRUENTHER AVE BETWEEN MARSHALL AVE AND BROADWOOD DRIVE. [SOURCE: TRAINED SPOTTER; CWA: LWX ]
2021/07/17 04:13 PM	GAITHERSBURG	MONTGOMERY	MD
TREE AND WIRES DOWN ON GLEN MILL ROAD NEAR JOINERS LANE. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 04:02 PM	2 SSE ROSEDALE	BALTIMORE	MD
TREE DOWN ON MD-150 (EASTERN AVE) NEAR DIAMOND POINT ROAD. [SOURCE: TRAINED SPOTTER; CWA: LWX ]
2021/07/17 03:43 PM	2 SSW MONTGOMERY VILLAG	MONTGOMERY	MD
TREE DOWN ON MIDCOUNTY HIGHWAY. [SOURCE: DEPT OF HIGHWAYS; CWA: LWX ]
2021/07/17 03:40 PM	1 WNW ESSEX	BALTIMORE	MD
TWO TREES FELL ONTO AN APARTMENT BUILDING ON GARDEN DRIVE CAUSING SIGNIFICANT STRUCTURAL DAMAGE. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 03:31 PM	2 ESE WINFIELD	CARROLL	MD
TREE DOWN ON BUSHEY ROAD NEAR OLD WASHINGTON ROAD. [SOURCE: DEPT OF HIGHWAYS; CWA: LWX ]
2021/07/17 03:30 PM	2 ESE ROSEDALE	BALTIMORE	MD
*[SOURCE: TRAINED SPOTTER; CWA: LWX ]*
2021/07/17 02:46 PM	LONG GREEN	BALTIMORE	MD
MULTIPLE TREES DOWN IN AND AROUND LONG GREEN. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 02:24 PM	1 ENE BROOKLANDVILLE	BALTIMORE	MD
TREE DOWN ON A VEHICLE NEAR CLEARFIELD COURT AND TALLY HO ROAD. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 02:16 PM	2 ESE ROCKVILLE	MONTGOMERY	MD
TREE AND POWER LINES DOWN ON VEHICLE. [SOURCE: BROADCAST MEDIA; CWA: LWX ]
2021/07/17 02:10 PM	1 SSE OAKLAND	CARROLL	MD
TREE DOWN ON OAKLAND MILLS ROAD NEAR LIBERTY ROAD. [SOURCE: 911 CALL CENTER; CWA: LWX ]
2021/07/17 01:42 PM	2 NE OAKLAND	BALTIMORE	MD

Large Hail:

Quarter size or 1 inch in diameter. If you look closely, you can see the layers made with each trip up and down the clouds.

Larger than a quarter…
🧊 #hail justifying the ‘severe storm’ in Essex MD.
Photo from MaryBeth Waggoner@NWS_BaltWash @TonyPannWBAL pic.twitter.com/02km4Ribie

— Justin Berk (@JustinWeather) July 17, 2021

Clouds Swirling Are Not Always A Tornado

Rotation, but not a tornado here…
🔄☁️🚫🌪
🗺 Perry Hall, MD
🕒 Before 3 PM
Thx Keith Boblits.
*Back/forth at end to enhance effect.
There can be cyclonic spin or eddies in the clouds that are not tornadoes.
Definitely a lot of turbulence!@NWS_BaltWash @TonyPannWBAL pic.twitter.com/IETdWwdHtm

— Justin Berk (@JustinWeather) July 18, 2021

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