Alert archive / Maryland / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 302, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 19, 2011, 6:00 PM EDT for Loudoun County, Virginia; Frederick County, Washington County, Maryland; Jefferson County, West Virginia. It was in force for 45 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
- Jul 19, 2011, 6:00 PM EDT (22:00 UTC)
- Expired
- Jul 19, 2011, 6:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
Counties Frederick County, MD, Washington County, MD, Loudoun County, VA, Jefferson County, WV
The radar
The Sterling radar (KLWX), 47 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.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:05 AM EDT | Small Craft Advisory | LWX | 115 min | |
| Jul 19, 12:12 PM EDT | Excessive Heat Watch | LWX | Arlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 21 more | 27 hr |
| Jul 19, 3:56 PM EDT | Special Weather Statement | LWX | Augusta, City of Staunton, City of Waynesboro | 64 min |
| Jul 19, 4:09 PM EDT | Special Marine Warning | LWX | 75 min | |
| Jul 19, 4:31 PM EDT | Special Marine Warning | LWX | 89 min | |
| Jul 19, 6:58 PM EDT | Special Marine Warning | LWX | 32 min | |
| Jul 19, 7:31 PM EDT | Special Weather Statement | LWX | Loudoun | 44 min |
| Jul 19, 7:51 PM EDT | Special Marine Warning | LWX | 100 min | |
| Jul 19, 3:20 PM EDT | Special Weather Statement | LWX | Carroll | 55 min |
| Jul 19, 3:22 PM EDT | Special Weather Statement | LWX | Baltimore | 53 min |
| Jul 19, 3:24 PM EDT | Special Weather Statement | LWX | City of Baltimore | 66 min |
| Jul 19, 4:08 PM EDT | Special Weather Statement | LWX | Anne Arundel | 22 min |
| Jul 19, 4:31 PM EDT | Special Weather Statement | LWX | Harford | 44 min |
| Jul 19, 5:23 PM EDT | Special Weather Statement | LWX | Washington | 22 min |
| Jul 19, 5:57 PM EDT | Special Weather Statement | LWX | Washington | 48 min |
| Jul 19, 7:57 PM EDT | Special Weather Statement | LWX | Saint Mary's | 33 min |
| Jul 19, 7:02 PM EDT | Special Weather Statement | LWX | Jefferson | 43 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2011Severe Thunderstorm Warnings in Virginia, 2011Severe Thunderstorm Warnings in West Virginia, 2011Every severe thunderstorm warning in 2011
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.