Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Overview

A bowing line segment with an embedded Mesoscale Convective Vortex moved through far southern Illinois into the Jackson Purchase area of west Kentucky during the morning hours before slowly losing strength as it moved east of the KY Lakes region. Most communities within the path experienced winds between 25 to 45 mph. However, the storm intensified over Marshall County where a microburst produced winds up to 85 mph in Draffenville, KY.

Microburst
Radar

Microburst:

Microburst - Draffenville, Kentucky
Marshall County

Date	June 18, 2017
Time (CDT)	9:17 AM - 9:22 AM
Est. Peak Winds	85 mph
Path Length	3 miles
Max Width	400 yards
Injuries/Deaths	0/0
Summary: A garage was blown off its foundation and pivoted approximately 40 degrees. A roof covering between the garage and the house collapsed. The adjacent house also had siding and the exterior covering at the attic level blown out at one end. A car had its rear window broken/blown out. At least a half dozen homes had loss of some shingles or other relatively light exterior damage. At least two other garages sustained partial loss of roofs and siding. A boat dock business had numerous docks or other property blown around. Several trees were uprooted and dozens of trees had broken limbs.

Track Map

Radar:

Click here for a radar loop of this event

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Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Microburst in Draffenville, KY on June 18, 2017