Alert archive / Maryland / Tornado Warnings in 2021
Tornado Warning 38, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Sep 1, 2021, 1:23 PM EDT for Charles County, Maryland; King George County, Virginia. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2021, 1:23 PM EDT (17:23 UTC)
- Expired
- Sep 1, 2021, 1:40 PM EDT
- In force
- 17 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Charles County, MD, King George County, VA
The radar
The Sterling radar (KLWX), 86 km from the middle of the area, began a volume at 17:24 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 |
|---|---|---|---|
| Sep 1, 11:46 AM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 5.4 hours before the alert went out and 80 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 558 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
The text
As transmitted.
913
WFUS51 KLWX 011723
TORLWX
MDC017-VAC099-011800-
/O.NEW.KLWX.TO.W.0038.210901T1723Z-210901T1800Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
123 PM EDT Wed Sep 1 2021
The National Weather Service in Sterling Virginia has issued a
* Tornado Warning for...
South central Charles County in southern Maryland...
Northeastern King George County in central Virginia...
* Until 200 PM EDT.
* At 123 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Colonial Beach, moving northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...For those in the direct path of a tornado touchdown,
flying debris will be dangerous to those caught without
shelter. Damage to roofs, siding, and windows may occur.
Mobile homes may be damaged or destroyed. Tree damage is
likely.
* This dangerous storm will be near...
Dahlgren around 140 PM EDT.
Other locations impacted by this tornadic thunderstorm include Ninde,
Issue, Potomac Beach, Swan Point and Tompkinsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3823 7713 3841 7706 3840 7702 3831 7699
3832 7696 3838 7699 3830 7685 3827 7691
3828 7694 3830 7699 3827 7698 3827 7702
3826 7705 3821 7705
TIME...MOT...LOC 1723Z 226DEG 19KT 3825 7706
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
MSS1 follow-up statement
928
WWUS51 KLWX 011740
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
140 PM EDT Wed Sep 1 2021
MDC017-VAC099-011749-
/O.CAN.KLWX.TO.W.0038.000000T0000Z-210901T1800Z/
Charles MD-King George VA-
140 PM EDT Wed Sep 1 2021
...THE TORNADO WARNING FOR SOUTH CENTRAL CHARLES AND NORTHEASTERN
KING GEORGE COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for southern
Maryland...and central Virginia.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Sterling Virginia.
LAT...LON 3823 7713 3841 7706 3840 7702 3831 7699
3832 7696 3838 7699 3830 7685 3827 7691
3828 7694 3830 7699 3827 7698 3827 7702
3826 7705 3821 7705
TIME...MOT...LOC 1738Z 226DEG 19KT 3831 7698
$$
MSSThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 9:06 PM EDT | Coastal Flood Watch | LWX | Anne Arundel | 22 hr |
| Aug 31, 9:36 PM EDT | River Flood Warning | LWX | Washington | 68 hr |
| Aug 31, 9:44 PM EDT | River Flood Watch | LWX | Frederick | 25 hr |
| Aug 31, 9:44 PM EDT | River Flood Watch | LWX | Montgomery | 48 hr |
| Aug 31, 9:44 PM EDT | River Flood Watch | LWX | Washington | 25 hr |
| Aug 31, 9:44 PM EDT | River Flood Watch | LWX | Montgomery | 25 hr |
| Sep 1, 3:23 AM EDT | Areal Flood Warning | LWX | Montgomery | 8 hr |
| Sep 1, 3:24 AM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 51 min |
| Sep 1, 3:50 AM EDT | Areal Flood Warning | LWX | Montgomery, Prince George's | 6 hr |
| Sep 1, 4:00 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 60 min |
| Sep 1, 4:10 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 6 hr |
| Sep 1, 4:34 AM EDT | Areal Flood Warning | LWX | Montgomery | 6 hr |
| Sep 1, 4:39 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 5 hr |
| Sep 1, 4:50 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 40 min |
| Sep 1, 5:41 AM EDT | Areal Flood Warning | LWX | Cecil, Harford | 5 hr |
| Sep 1, 6:15 AM EDT | Areal Flood Warning | LWX | Cecil | 5 hr |
| Sep 1, 8:39 AM EDT | Flash Flood Warning | LWX | Allegany, Garrett | 5 hr |
| Sep 1, 10:14 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Cecil, Harford, Saint Mary's and 1 more | 19 hr |
| Sep 1, 12:52 PM EDT | Areal Flood Warning | LWX | Allegany | 22 hr |
| Sep 1, 1:11 PM EDT | Tornado Warning | LWX | Charles, Prince George's | 34 min |
| Sep 1, 1:30 PM EDT | Areal Flood Warning | LWX | Carroll, Frederick, Washington | 27 hr |
| Sep 1, 1:31 PM EDT | Tornado Warning | LWX | Charles, Saint Mary's | 29 min |
| Sep 1, 1:46 PM EDT | Areal Flood Warning | LWX | Allegany, Garrett | 16 hr |
| Sep 1, 1:56 PM EDT | Tornado Warning | LWX | Anne Arundel, Prince George's | 34 min |
| Sep 1, 2:12 PM EDT | Tornado Warning | LWX | Baltimore | 33 min |
| Sep 1, 2:23 PM EDT | Tornado Warning | LWX | Baltimore | 15 min |
| Sep 1, 2:26 PM EDT | Flash Flood Warning | LWX | Carroll, Frederick | 6 hr |
| Sep 1, 2:26 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 14 min |
| Sep 1, 2:27 PM EDT | Tornado Warning | LWX | Anne Arundel | 15 min |
| Sep 1, 2:48 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 27 min |
| Sep 1, 3:10 PM EDT | Tornado Warning | LWX | Baltimore | 16 min |
| Sep 1, 3:17 PM EDT | Tornado Warning | LWX | Harford | 28 min |
| Sep 1, 3:25 PM EDT | Flash Flood Warning | LWX | Carroll, Frederick | 5 hr |
| Sep 1, 3:34 PM EDT | Flash Flood Warning | LWX | Cecil, Harford | 3 hr |
| Sep 1, 3:36 PM EDT | Wind Advisory | LWX | Allegany, Carroll, Frederick, Washington | 7 hr |
| Sep 1, 3:49 PM EDT | Tornado Warning | LWX | Cecil, Harford | 26 min |
| Sep 1, 4:13 PM EDT | River Flood Watch | LWX | Cecil | 7 hr |
| Sep 1, 4:13 PM EDT | River Flood Warning | LWX | Allegany | 7 hr |
| Sep 1, 4:14 PM EDT | River Flood Warning | LWX | Allegany | 9 hr |
| Sep 1, 4:37 PM EDT | Areal Flood Warning | LWX | Baltimore, Carroll, Harford | 13 hr |
| Sep 1, 5:46 PM EDT | Tornado Warning | LWX | Cecil | 29 min |
| Sep 1, 6:08 PM EDT | Areal Flood Warning | LWX | Cecil, Harford | 17 hr |
| Sep 1, 6:12 PM EDT | Tornado Warning | LWX | Cecil | 19 min |
| Sep 1, 7:03 PM EDT | Coastal Flood Warning | LWX | Anne Arundel | 8 hr |
| Sep 1, 7:27 PM EDT | Areal Flood Warning | LWX | Allegany, Washington | 15 hr |
| Sep 1, 7:59 PM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 2 hr |
| Aug 31, 10:29 PM EDT | Tornado Warning | LWX | Albemarle | 17 min |
| Aug 31, 10:39 PM EDT | Tornado Warning | LWX | Albemarle, Nelson | 36 min |
| Aug 31, 10:58 PM EDT | Tornado Warning | LWX | Albemarle, Nelson | 32 min |
| Aug 31, 11:13 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Augusta, Nelson, City of Waynesboro | 47 min |
| Aug 31, 11:23 PM EDT | Tornado Warning | LWX | Albemarle, City of Charlottesville | 37 min |
| Aug 31, 11:34 PM EDT | Areal Flood Warning | LWX | Albemarle, City of Charlottesville | 5 hr |
| Aug 31, 11:41 PM EDT | Flash Flood Warning | LWX | Albemarle, City of Charlottesville | 87 min |
| Aug 31, 11:49 PM EDT | Tornado Warning | LWX | Albemarle, Augusta, Nelson, Rockingham, City of Waynesboro | 15 min |
| Aug 31, 11:56 PM EDT | Tornado Warning | LWX | Albemarle | 34 min |
| Sep 1, 12:18 AM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Madison, Orange | 42 min |
| Sep 1, 12:25 AM EDT | Tornado Warning | LWX | Culpeper, Madison, Orange | 35 min |
| Sep 1, 12:53 AM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier, Orange | 52 min |
| Sep 1, 1:09 AM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier, Orange | 51 min |
| Sep 1, 1:42 AM EDT | Severe Thunderstorm Warning | LWX | Fauquier | 35 min |
| Sep 1, 2:25 AM EDT | Areal Flood Warning | LWX | Fairfax, Loudoun, Prince William, City of Manassas, City of Manassas Park | 11 hr |
| Sep 1, 2:34 AM EDT | Severe Thunderstorm Warning | LWX | Fairfax, City of Fairfax | 41 min |
| Sep 1, 2:52 AM EDT | Areal Flood Warning | LWX | Fairfax, City of Fairfax | 9 hr |
| Sep 1, 2:59 AM EDT | Severe Thunderstorm Warning | LWX | Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church | 46 min |
| Sep 1, 3:01 AM EDT | Flash Flood Warning | LWX | Fairfax, Prince William, City of Manassas Park | 2 hr |
| Sep 1, 3:08 AM EDT | Special Marine Warning | LWX | 67 min | |
| Sep 1, 3:55 AM EDT | Special Marine Warning | LWX | 95 min | |
| Sep 1, 5:23 AM EDT | Special Marine Warning | LWX | 69 min | |
| Sep 1, 11:42 AM EDT | Tornado Warning | LWX | Culpeper, Madison, Rappahannock | 12 min |
| Sep 1, 12:31 PM EDT | Areal Flood Warning | LWX | Page, Rockingham, Shenandoah, Warren | 15 hr |
| Sep 1, 12:52 PM EDT | Special Marine Warning | LWX | 68 min | |
| Sep 1, 12:55 PM EDT | Tornado Warning | LWX | King George | 35 min |
| Sep 1, 2:05 PM EDT | Special Marine Warning | LWX | 55 min | |
| Sep 1, 2:44 PM EDT | Special Marine Warning | LWX | 91 min | |
| Sep 1, 2:48 PM EDT | Special Marine Warning | LWX | 87 min | |
| Sep 1, 3:02 PM EDT | Special Marine Warning | LWX | 28 min | |
| Sep 1, 3:28 PM EDT | Small Craft Advisory | LWX | 44 hr | |
| Sep 1, 3:43 PM EDT | Special Marine Warning | LWX | 35 min | |
| Sep 1, 4:52 PM EDT | Special Marine Warning | LWX | 23 min | |
| Sep 1, 4:58 PM EDT | Special Marine Warning | LWX | 31 min |
Nearby
Tornado Warnings in Maryland, 2021Tornado Warnings in Virginia, 2021Every tornado warning in 2021Tornadoes in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.