Alert archive / Maryland / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 207, NWS Baltimore/Washington

August 4, 2015Saint Mary's County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Aug 4, 2015, 6:02 PM EDT for Saint Mary's County, Maryland. It was in force for 30 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
Aug 4, 2015, 6:02 PM EDT (22:02 UTC)
Expired
Aug 4, 2015, 6:32 PM EDT
In force
30 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon

County Saint Mary's County, MD

The radar

The Dover AFB radar (KDOX), 116 km from the middle of the area, began a volume at 22:03 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 Aug 4, 2:21 PM EDT, 3 hours 41 minutes earlier.

Area forecast discussion, Aug 4, 2:21 PM EDT, 3 hours 41 minutes before
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Hazardous weather outlook, Aug 4, 10:43 AM EDT, 7 hours 19 minutes before
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In the hours before

Local storm report, Aug 4, 5:33 PM EDT, 29 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 3:06 AM EDTSevere Thunderstorm WarningLWXFrederick, Shenandoah39 min
Aug 4, 3:44 AM EDTSevere Thunderstorm WarningLWXClarke, Frederick, Loudoun, Shenandoah, City of Winchester46 min
Aug 4, 4:14 AM EDTSevere Thunderstorm WarningLWXFairfax, Loudoun, Prince William, City of Fairfax, City of Falls Church46 min
Aug 4, 4:22 AM EDTSevere Thunderstorm WarningLWXLoudoun53 min
Aug 4, 4:28 AM EDTSpecial Marine WarningLWX62 min
Aug 4, 4:43 AM EDTSpecial Marine WarningLWX92 min
Aug 4, 5:36 AM EDTSpecial Marine WarningLWX84 min
Aug 4, 1:28 PM EDTSmall Craft AdvisoryLWX29 hr
Aug 4, 4:48 PM EDTSevere Thunderstorm WarningLWXAlbemarle, Nelson42 min
Aug 4, 4:51 PM EDTSpecial Marine WarningLWX39 min
Aug 4, 5:23 PM EDTSpecial Marine WarningLWX97 min
Aug 4, 5:40 PM EDTSevere Thunderstorm WarningLWXFairfax24 min
Aug 4, 5:45 PM EDTSpecial Marine WarningLWX90 min
Aug 4, 6:07 PM EDTSpecial Marine WarningLWX83 min
Aug 4, 6:36 PM EDTSpecial Marine WarningLWX84 min
Aug 4, 6:39 PM EDTSevere Thunderstorm WarningLWXFairfax, City of Alexandria18 min
Aug 4, 1:52 AM EDTSevere Thunderstorm WarningLWXAllegany, Washington23 min
Aug 4, 2:13 AM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Washington47 min
Aug 4, 2:35 AM EDTSevere Thunderstorm WarningLWXAllegany25 min
Aug 4, 2:55 AM EDTSevere Thunderstorm WarningLWXAllegany39 min
Aug 4, 2:59 AM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick46 min
Aug 4, 3:45 AM EDTSevere Thunderstorm WarningLWXBaltimore, Harford30 min
Aug 4, 4:49 AM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 2 more56 min
Aug 4, 5:27 PM EDTSevere Thunderstorm WarningLWXSaint Mary's18 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2015Every severe thunderstorm warning in 2015

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.