Alert archive / Maryland / Tornado Warnings in 2010
Tornado Warning 20, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Sep 30, 2010, 3:57 AM EDT for Anne Arundel County, Calvert County, Saint Mary's County, Maryland. It was in force for 33 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
- Sep 30, 2010, 3:57 AM EDT (07:57 UTC)
- Expired
- Sep 30, 2010, 4:30 AM EDT
- In force
- 33 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
Counties Anne Arundel County, MD, Calvert County, MD, Saint Mary's County, MD
The radar
The Sterling radar (KLWX), 93 km from the middle of the area, began a volume at 08:00 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 tornado 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 tornado warning went out at Sep 30, 3:28 AM EDT, 29 minutes earlier.
Area forecast discussion, Sep 30, 3:28 AM EDT, 29 minutes before
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</html>Hazardous weather outlook, Sep 29, 10:17 PM EDT, 5 hours 40 minutes before
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<div class="status" id="status">Temporary Notice</div>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 8:48 PM EDT | Coastal Flood Advisory | LWX | Arlington, Fairfax, King George, Stafford, City of Alexandria, City of Fairfax and 1 more | 25 hr |
| Sep 29, 9:09 PM EDT | Small Craft Advisory | LWX | 60 hr | |
| Sep 30, 2:59 AM EDT | Special Marine Warning | LWX | 91 min | |
| Sep 30, 3:10 AM EDT | Special Marine Warning | LWX | 65 min | |
| Sep 30, 4:51 AM EDT | Special Marine Warning | LWX | 39 min | |
| Sep 30, 4:57 AM EDT | Flash Flood Warning | LWX | Arlington, Fairfax, Fauquier, King George, Loudoun, Prince William and 8 more | 6 hr |
| Sep 30, 6:22 AM EDT | Special Marine Warning | LWX | 38 min | |
| Sep 30, 6:30 AM EDT | Special Marine Warning | LWX | 27 min | |
| Sep 30, 6:39 AM EDT | Flash Flood Warning | LWX | Loudoun | 6 hr |
| Sep 30, 7:02 AM EDT | Special Marine Warning | LWX | 48 min | |
| Sep 30, 7:48 AM EDT | Special Marine Warning | LWX | 42 min | |
| Sep 30, 8:09 AM EDT | Coastal Flood Warning | LWX | Arlington, Fairfax, King George, Stafford, City of Alexandria, City of Fairfax and 1 more | 21 hr |
| Sep 30, 8:10 AM EDT | Flash Flood Warning | LWX | Albemarle, Augusta, Greene, Madison, Nelson, Page and 2 more | 6 hr |
| Sep 30, 8:18 AM EDT | Special Marine Warning | LWX | 42 min | |
| Sep 30, 8:30 AM EDT | Special Marine Warning | LWX | 13 min | |
| Sep 30, 8:50 AM EDT | Special Marine Warning | LWX | 55 min | |
| Sep 30, 9:00 AM EDT | Special Marine Warning | LWX | 30 min | |
| Sep 30, 9:35 AM EDT | Special Marine Warning | LWX | 40 min | |
| Sep 30, 10:29 AM EDT | Flash Flood Warning | LWX | Albemarle, Clarke, Culpeper, Fauquier, Greene, Loudoun and 7 more | 4 hr |
| Sep 30, 10:38 AM EDT | Flash Flood Warning | LWX | Arlington, Culpeper, Fairfax, Fauquier, King George, Loudoun and 10 more | 6 hr |
| Sep 30, 10:45 AM EDT | Special Marine Warning | LWX | 45 min | |
| Sep 30, 11:12 AM EDT | River Flood Warning | LWX | Loudoun | 5 hr |
| Sep 30, 11:12 AM EDT | River Flood Warning | LWX | Loudoun | 5 hr |
| Sep 30, 12:22 PM EDT | Flash Flood Warning | LWX | Loudoun | 6 hr |
| Sep 30, 12:40 PM EDT | Special Marine Warning | LWX | 50 min | |
| Sep 30, 2:48 PM EDT | Special Marine Warning | LWX | 87 min | |
| Sep 30, 3:15 PM EDT | Special Weather Statement | LWX | Spotsylvania | 30 min |
| Sep 30, 3:22 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier, Orange, Spotsylvania, Stafford | 38 min |
| Sep 30, 4:00 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fairfax, Fauquier, Orange, Prince William, Spotsylvania and 3 more | 45 min |
| Sep 30, 4:16 PM EDT | Special Marine Warning | LWX | 89 min | |
| Sep 30, 4:40 PM EDT | Flash Flood Warning | LWX | Fairfax, Loudoun, Prince William, City of Manassas, City of Manassas Park | 11 hr |
| Sep 30, 6:13 PM EDT | Flash Flood Warning | LWX | Arlington, Fairfax, King George, Prince William, Stafford, City of Alexandria and 2 more | 6 hr |
| Sep 30, 7:54 PM EDT | Flash Flood Warning | LWX | Spotsylvania, Stafford, City of Fredericksburg | 5 hr |
| Sep 30, 6:08 AM EDT | Special Weather Statement | LWX | Saint Mary's | 52 min |
| Sep 30, 6:17 AM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 28 min |
| Sep 30, 7:32 AM EDT | Special Weather Statement | LWX | Saint Mary's | 43 min |
| Sep 30, 8:45 AM EDT | Severe Thunderstorm Warning | LWX | Harford | 45 min |
| Sep 30, 8:58 AM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 47 min |
| Sep 30, 9:28 AM EDT | Tornado Warning | LWX | Anne Arundel | 47 min |
| Sep 30, 9:49 AM EDT | Tornado Warning | LWX | Anne Arundel, Calvert | 26 min |
| Sep 30, 9:51 AM EDT | River Flood Warning | LWX | Montgomery | 24 hr |
| Sep 30, 10:49 AM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery, Prince George's | 26 min |
| Sep 30, 11:12 AM EDT | River Flood Warning | LWX | Frederick | 18 hr |
| Sep 30, 11:12 AM EDT | River Flood Warning | LWX | Washington | 18 hr |
| Sep 30, 4:30 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Calvert, Saint Mary's | 6 hr |
| Sep 30, 11:12 AM EDT | River Flood Warning | LWX | Berkeley | 18 hr |
Nearby
Tornado Warnings in Maryland, 2010Every tornado warning in 2010Tornadoes in 2010
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.