Alert archive / Maryland / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 2, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Feb 11, 2009, 7:31 PM EST for Allegany County, Maryland. It was in force for 74 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
- Feb 11, 2009, 7:31 PM EST (00:31 UTC)
- Expired
- Feb 11, 2009, 8:45 PM EST
- In force
- 74 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
County Allegany County, MD
The radar
The Sterling radar (KLWX), 127 km from the middle of the area, began a volume at 00:31 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 11, 5:53 PM EST | Severe Thunderstorm Watch | SPC | 4 hr |
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 7:22 PM EST | Severe Thunderstorm Warning | LWX | Augusta, Highland, Rockingham | 53 min |
| Feb 11, 8:10 PM EST | Severe Thunderstorm Warning | LWX | Albemarle, Augusta, Greene, Nelson, Rockingham, City of Charlottesville and 3 more | 65 min |
| Feb 11, 8:17 PM EST | Severe Thunderstorm Warning | LWX | Augusta, Frederick, Highland, Rockingham, Shenandoah, City of Winchester | 58 min |
| Feb 11, 8:35 PM EST | Severe Thunderstorm Warning | LWX | Frederick | 70 min |
| Feb 11, 8:54 PM EST | Severe Thunderstorm Warning | LWX | Clarke, Frederick, Greene, Madison, Page, Rappahannock and 2 more | 51 min |
| Feb 11, 9:19 PM EST | Severe Thunderstorm Warning | LWX | Albemarle, Clarke, Culpeper, Fauquier, Greene, Loudoun and 4 more | 36 min |
| Feb 11, 9:33 PM EST | Severe Thunderstorm Warning | LWX | Fairfax, Fauquier, Loudoun, Prince William, Spotsylvania, Stafford and 4 more | 43 min |
| Feb 11, 9:37 PM EST | Special Marine Warning | LWX | 61 min | |
| Feb 11, 9:51 PM EST | Special Marine Warning | LWX | 39 min | |
| Feb 11, 10:07 PM EST | Severe Thunderstorm Warning | LWX | Arlington, Fairfax, City of Alexandria, City of Falls Church | 49 min |
| Feb 11, 10:14 PM EST | Special Marine Warning | LWX | 44 min | |
| Feb 12, 4:08 AM EST | Storm Warning | LWX | 12 hr | |
| Feb 12, 6:49 AM EST | Red Flag Warning | LWX | Albemarle, Arlington, Augusta, Clarke, Culpeper, Fairfax and 19 more | 14 hr |
Nearby
Severe Thunderstorm Warnings in Maryland, 2009Every severe thunderstorm warning in 2009
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.