At 413 PM EDT, severe thunderstorms were located along a line
extending from North Potomac to near Newington, moving northeast at
45 mph.
HAZARD…70 mph wind gusts.
SOURCE…Emergency management reports a history of downed trees with
this line of storms.
IMPACT…Damaging winds will cause some trees and large branches to
fall. This could injure those outdoors, as well as damage
homes and vehicles. Roadways may become blocked by downed
trees. Localized power outages are possible. Unsecured
light objects may become projectiles.
Locations impacted include…
Arlington, Alexandria, Columbia, Dale City, Rockville, Bethesda,
Gaithersburg, Reston, Bowie, Annandale, Clinton, Olney, Springfield,
College Park, Fort Washington, Greenbelt, Fairfax, Langley Park,
Beltsville, and Fort Hunt.
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK…
No watches are valid as of Fri Jun 20 17:34:02 UTC 2025.
No Mesoscale Discussions are in effect as of Fri Jun 20 17:34:02 UTC 2025.
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK…
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK…
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