Alert archive / Maryland / Tornado Warnings in 2021
Tornado Warning 15, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Jul 1, 2021, 3:33 PM EDT for Anne Arundel County, Prince George's County, Maryland. It was in force for 27 min. 11 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 1, 2021, 3:33 PM EDT (19:33 UTC)
- Expired
- Jul 1, 2021, 4:00 PM EDT
- In force
- 27 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Anne Arundel County, MD, Prince George's County, MD
The radar
The Sterling radar (KLWX), 85 km from the middle of the area, began a volume at 19:33 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 3:33 PM EDT | TSTM WND DMG | 1 E Bowie, MD | NUMEROUS 100 FOOT TALL TREES SNAPPED AT A RESIDENCE JUST EAST OF BOWIE. |
| Jul 1, 3:33 PM EDT | TSTM WND DMG | 3 Sse Bowie, MD | NUMEROUS 100 FOOT TALL TREES SNAPPED AT A RESIDENCE JUST EAST OF BOWIE. |
| Jul 1, 3:37 PM EDT | TSTM WND DMG | 3 Sw Londontowne, MD | A LARGE LEYLAND CYPRUS TREE WAS BLOWN OVER AT A RESIDENCE NEAR LONDONTOWNE. |
| Jul 1, 3:37 PM EDT | TSTM WND DMG | 3 W Riva, MD | TREES BLEW DOWN ON MD-424 DAVIDSONVILLE ROAD NEAR GOVERNOR BRIDGE ROAD. |
| Jul 1, 3:38 PM EDT | TSTM WND DMG | Riva, MD | SEVERAL DOZEN TREES, WIRES AND POLES WERE BLOWN DOWN IN AND AROUND RIVA. |
| Jul 1, 3:40 PM EDT | TSTM WND DMG | 1 Wsw Riva, MD | TREES BLEW DOWN NEAR THE INTERSECTION OF RIVA ROAD AND BEARDS POINT ROAD. |
| Jul 1, 3:45 PM EDT | TSTM WND DMG | 1 E Parole, MD | TREES BLEW DOWN ON US-50 NEAR MD-2 SOLOMONS ISLAND ROAD. |
| Jul 1, 3:48 PM EDT | TSTM WND DMG | 2 Nne Annapolis, MD | TREES AND WIRES BLEW DOWN NEAR THE INTERSECTION OF MD-450 GOVERNOR RITCHIE HIGHWAY AND BRICE ROAD. |
| Jul 1, 3:52 PM EDT | TSTM WND GST 66 | 1 Nnw Eastport, MD | |
| Jul 1, 3:54 PM EDT | MARINE TSTM WIND 39 | 1 Ne Annapolis, MD | |
| Jul 1, 4:07 PM EDT | TSTM WND GST 63 | 3 S Cape St. Claire, MD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 1, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.6 hours before the alert went out and 77 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
- 604 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted.
198
WFUS51 KLWX 011933
TORLWX
MDC003-033-012000-
/O.NEW.KLWX.TO.W.0015.210701T1933Z-210701T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
333 PM EDT Thu Jul 1 2021
The National Weather Service in Sterling Virginia has issued a
* Tornado Warning for...
Central Anne Arundel County in central Maryland...
Northeastern Prince Georges County in central Maryland...
* Until 400 PM EDT.
* At 333 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Londontowne, or near Bowie, moving east at 50 mph.
HAZARD...Tornado and quarter size hail.
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...
Shady Side, Rhode River and Londontowne around 340 PM EDT.
Annapolis, Mayo, Naval Academy, Severn River, South River and
Parole around 345 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Harwood, Hillsmere Shores, Riva, West River, Edgewater, Prince
Georges Stadium, Davidsonville, Highland Beach, Navy-Marine Corps
Stadium and Eastport.
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 3896 7645 3885 7648 3884 7669 3896 7675
3903 7638 3901 7637
TIME...MOT...LOC 1933Z 252DEG 42KT 3892 7666
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
MANNING2 follow-up statements
674
WWUS51 KLWX 011944
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
344 PM EDT Thu Jul 1 2021
MDC033-011954-
/O.CAN.KLWX.TO.W.0015.000000T0000Z-210701T2000Z/
Prince Georges MD-
344 PM EDT Thu Jul 1 2021
...THE TORNADO WARNING FOR NORTHEASTERN PRINCE GEORGES COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning hasmoved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central Maryland.
LAT...LON 3896 7645 3885 7648 3890 7657 3898 7664
3903 7638 3901 7637
TIME...MOT...LOC 1944Z 263DEG 32KT 3897 7657
$$
MDC003-012000-
/O.CON.KLWX.TO.W.0015.000000T0000Z-210701T2000Z/
Anne Arundel MD-
344 PM EDT Thu Jul 1 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR EAST
CENTRAL ANNE ARUNDEL COUNTY...
At 344 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Parole, or near Annapolis, moving east at 35 mph.
HAZARD...Tornado and quarter size hail.
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...
Annapolis and South River around 350 PM EDT.
Naval Academy and Severn River around 355 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Hillsmere Shores, Riva, Highland Beach, Edgewater, Navy-Marine Corps
Stadium, Eastport, Bay Ridge and Edgewater Beach.
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 3896 7645 3885 7648 3890 7657 3898 7664
3903 7638 3901 7637
TIME...MOT...LOC 1944Z 263DEG 32KT 3897 7657
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
MANNING996
WWUS51 KLWX 011953
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
353 PM EDT Thu Jul 1 2021
MDC003-012003-
/O.EXP.KLWX.TO.W.0015.000000T0000Z-210701T2000Z/
Anne Arundel MD-
353 PM EDT Thu Jul 1 2021
...THE TORNADO WARNING FOR EAST CENTRAL ANNE ARUNDEL COUNTY WILL
EXPIRE AT 400 PM EDT...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central Maryland.
LAT...LON 3896 7645 3885 7648 3890 7657 3898 7664
3903 7638 3901 7637
TIME...MOT...LOC 1953Z 252DEG 42KT 3900 7646
$$
MANNINGThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 1:03 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 42 min |
| Jul 1, 1:44 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Montgomery, Prince George's | 46 min |
| Jul 1, 2:10 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 50 min |
| Jul 1, 2:18 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 42 min |
| Jul 1, 2:28 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 47 min |
| Jul 1, 2:40 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 35 min |
| Jul 1, 2:41 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 64 min |
| Jul 1, 2:43 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Montgomery, Prince George's | 47 min |
| Jul 1, 3:06 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 24 min |
| Jul 1, 3:20 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 55 min |
| Jul 1, 3:26 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Cecil, Harford | 38 min |
| Jul 1, 3:31 PM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
Nearby
Tornado Warnings in Maryland, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.