Alert archive / Virginia / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 98, NWS Baltimore/Washington

June 10, 2020Fairfax County, Loudoun County, Prince William County, Virginia; Montgomery County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 10, 2020, 7:02 PM EDT for Fairfax County, Loudoun County, Prince William County, Virginia; Montgomery County, Maryland. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 10, 2020, 7:02 PM EDT (23:02 UTC)
Expired: Jun 10, 2020, 7:45 PM EDT
In force: 43 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Montgomery County, MD, Fairfax County, VA, Loudoun County, VA, Prince William County, VA

The radar

The Sterling radar (KLWX), 9 km from the middle of the area, began a volume at 23:05 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 5:52 PM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Jun 10, 5:52 PM EDT, 1 hour 10 minutes before

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Hazardous weather outlook, Jun 10, 5:07 PM EDT, 1 hour 55 minutes before

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In the hours before

Local storm report, Jun 10, 6:35 PM EDT, 27 minutes before

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The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 7:00 PM EDT	Special Marine Warning	LWX		78 min
Jun 10, 7:23 PM EDT	Severe Thunderstorm Warning	LWX	Loudoun	37 min
Jun 10, 7:45 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax	33 min
Jun 10, 3:12 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	21 min
Jun 10, 4:12 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	33 min
Jun 10, 3:37 PM EDT	Severe Thunderstorm Warning	LWX	Grant, Hampshire, Hardy, Mineral	18 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2020 Severe Thunderstorm Warnings in Maryland, 2020 Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.