Alert archive / Virginia / Tornado Warnings in 2021

Tornado Warning 16, NWS Baltimore/Washington

July 1, 2021Arlington County, Fairfax County, City of Alexandria, Virginia; Prince George's County, Maryland

NWS Baltimore/Washington issued this tornado warning at Jul 1, 2021, 8:58 PM EDT for Arlington County, Fairfax County, City of Alexandria, Virginia; Prince George's County, Maryland. It was in force for 32 min. 24 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, 8:58 PM EDT (00:58 UTC)
Expired
Jul 1, 2021, 9:30 PM EDT
In force
32 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Prince George's County, MD, Arlington County, VA, City of Alexandria, VA, Fairfax County, VA

The radar

The Sterling radar (KLWX), 40 km from the middle of the area, began a volume at 01:00 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 was reported inside it

TimeReportWhereRemark
Jul 1, 8:58 PM EDTTSTM WND DMG1 N Arlington, VATREE BLEW DOWN ON NORTH KIRKWOOD ROAD AND 13TH STREET NORTH.
Jul 1, 8:58 PM EDTTSTM WND DMGArlington, VA*** 1 INJ *** WIDESPREAD DAMAGE HAS BEEN REPORTED IN ARLINGTON. NUMEROUS TREES, WIRES, AND POLES WERE BLOWN DOWN. IN THE 4300 BLOCK OF 16 STREET NORTH, A LARGE TREE FELL ONTO A HOUSE, TRAPPING SOMEONE INSIDE.
Jul 1, 8:58 PM EDTTSTM WND DMGArlington, VAWIDESPREAD DAMAGE HAS BEEN REPORTED IN ARLINGTON. NUMEROUS TREES, WIRES, AND POLES WERE BLOWN DOWN. IN THE 4300 BLOCK OF 16 STREET NORTH, A LARGE TREE FELL ONTO A HOUSE, TRAPPING SOMEONE INSIDE.
Jul 1, 8:58 PM EDTTSTM WND DMGCherrydale, VATREE BLEW DOWN ON 21ST STREET NORTH.
Jul 1, 8:58 PM EDTTSTM WND GST 62Ballston, VA
Jul 1, 8:59 PM EDTTSTM WND DMG1 Ene Barcroft, VATREE BLEW DOWN ON COLUMBIA PIKE NEAR SOUTH ADAMS STREET.
Jul 1, 8:59 PM EDTTSTM WND DMG1 Ese Cherrydale, VATREE DOWN ON THE LYON VILLAGE COMMUNITY CENTER ON 20TH STREET NORTH.
Jul 1, 8:59 PM EDTTSTM WND DMG1 Ese Cherrydale, VATREE BLEW DOWN ON NORTH HIGHLAND STREET NEAR KEY BLVD.
Jul 1, 8:59 PM EDTTORNADO1 Ne Us Capitol, DCEF0 TORNADO. PATH LENGTH: 0.75 MILES. PATH WIDTH: 75 YARDS. H STREET NE CORRIDOR INTO KINGMAN PARK. MAX ESTIMATED WIND: 80 MPH.
Jul 1, 8:59 PM EDTTORNADOCherrydale, VAEF1 TORNADO. PATH LENGTH: 4.4 MILES. PATH WIDTH: 125 YARDS. CHERRYDALE IN ARLINGTON VA TO NEAR 16TH ST NW AND CONSTITUTION AVE NW DC. MAX ESTIMATED WIND: 90 MPH.
Jul 1, 9:00 PM EDTTSTM WND DMG1 E Cherrydale, VATREE DOWN ON SPOUT RUN PARKWAY AT LORCOM LANE.
Jul 1, 9:00 PM EDTTSTM WND DMG1 Ese Arlington, VATREE BLEW DOWN ON WASHINGTON BLVD AND ROUTE 50.
Jul 1, 9:03 PM EDTTSTM WND DMG1 Nw Reagan National Ai, VATREE DOWN IN THE 1500 BLOCK OF SOUTH CLARK STREET.
Jul 1, 9:05 PM EDTTSTM WND DMG1 S The White House, DCNUMEROUS TREES WERE TOPPLED IN DOWNTOWN DC NEAR THE NATIONAL MALL.
Jul 1, 9:05 PM EDTMARINE TSTM WIND 392 Ene Barcroft, VA
Jul 1, 9:06 PM EDTMARINE TSTM WIND 491 N Reagan National Air, VA
Jul 1, 9:07 PM EDTMARINE TSTM WIND 52Reagan National Arpt, VA
Jul 1, 9:08 PM EDTTORNADO1 Ne Us Capitol, DCEF0 TORNADO. PATH LENGTH: 0.75 MILES. PATH WIDTH: 75 YARDS. H STREET NE CORRIDOR INTO KINGMAN PARK. MAX ESTIMATED WIND: 80 MPH.
Jul 1, 9:10 PM EDTMARINE TSTM WIND 531 S Us Capitol, DC
Jul 1, 9:13 PM EDTTSTM WND DMGCapitol Heights, MDTREE DOWN ON A HOUSE ON HIGHVIEW PLACE NEAR HILLVIEW COURT. SEVERAL LARGE BRANCHES DOWN NEARBY.
Jul 1, 9:14 PM EDTTSTM WND DMGCapitol Heights, MDWIDESPREAD, NUMEROUS LARGE TREE LIMBS SNAPPED IN THE 5700 BLOCK OF FALKLAND PLACE AND ON ADJACENT ROLLINS AVENUE NORTH OF WALKER MILL ROAD.
Jul 1, 9:14 PM EDTTSTM WND DMGCapitol Heights, MDWIDESPREAD, NUMEROUS LARGE TREE LIMBS SNAPPED IN THE 5700 BLOCK OF FALKLAND PLACE AND ON ADJACENT ROLLINS AVENUE NORTH OF WALKER MILL ROAD. A TREE BLEW DOWN ONTO A HOUSE.
Jul 1, 9:14 PM EDTTSTM WND DMGCapitol Heights, MDTWO TREES BLEW DOWN IN THE 900 BLOCK OF ROLLINS AVENUE. NUMEROUS LARGE TREE BRANCHES DOWN IN THE AREA.
Jul 1, 9:26 PM EDTTSTM WND DMGArlington, VAWIDESPREAD DAMAGE HAS BEEN REPORTED IN ARLINGTON. NUMEROUS TREES, WIRES, AND POLES WERE BLOWN DOWN. IN THE 4300 BLOCK OF 16 STREET NORTH, A LARGE TREE FELL ONTO A HOUSE, TRAPPING SOMEONE INSIDE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.0 hours before the alert went out and 32 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 249 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
249 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1099 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.7

Open this sounding in Storm Lab

The text

As transmitted.

741 
WFUS51 KLWX 020058
TORLWX
DCC001-MDC033-VAC013-059-510-020130-
/O.NEW.KLWX.TO.W.0016.210702T0058Z-210702T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
858 PM EDT Thu Jul 1 2021

The National Weather Service in Sterling Virginia has issued a

* Tornado Warning for...
  The central District of Columbia...
  West central Prince Georges County in central Maryland...
  Arlington County in northern Virginia...
  Northeastern Fairfax County in northern Virginia...
  The northeastern City of Alexandria in northern Virginia...

* Until 930 PM EDT.
    
* At 858 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Ballston, or over Arlington, moving east at 35
  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...
  Crystal City around 905 PM EDT.
  Nationals Park, Reagan National Airport, Gallaudet University, 
  Anacostia and US Capitol around 910 PM EDT.
  RFK Stadium, Oxon Hill and Kenilworth around 915 PM EDT.
  Coral Hills, Camp Springs, Walker Mill, Temple Hills, Marlow 
  Heights, Seat Pleasant and Carmody Hills-Pepper Mill Village 
  around 920 PM EDT.

Other locations impacted by this tornadic thunderstorm include Rock
Creek, Capitol Heights, Bolling Air Force, Suitland-Silver Hill, The
White House, The Mall, Fairmount Heights, Cherrydale, Westover and
District Heights.

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 3888 7715 3892 7714 3890 7687 3879 7693
TIME...MOT...LOC 0058Z 286DEG 28KT 3890 7712 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
MANNING
5 follow-up statements
618 
WWUS51 KLWX 020102
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
902 PM EDT Thu Jul 1 2021

VAC059-020112-
/O.CAN.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
Fairfax VA-
902 PM EDT Thu Jul 1 2021

...THE TORNADO WARNING FOR NORTHEASTERN FAIRFAX COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning hasmoved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3886 7710 3891 7709 3890 7687 3879 7693
TIME...MOT...LOC 0102Z 285DEG 28KT 3889 7707 

$$

DCC001-MDC033-VAC013-510-020130-
/O.CON.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
District of Columbia DC-Prince Georges MD-Arlington VA-
City of Alexandria VA-
902 PM EDT Thu Jul 1 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR THE
SOUTHERN DISTRICT OF COLUMBIA...WEST CENTRAL PRINCE GEORGES...AND
SOUTHEASTERN ARLINGTON COUNTIES AND THE NORTHEASTERN CITY OF
ALEXANDRIA...
    
At 902 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Rosslyn, moving east at 35 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...
  Crystal City and Reagan National Airport around 905 PM EDT.
  Nationals Park, RFK Stadium, Gallaudet University, Anacostia and 
  US Capitol around 910 PM EDT.
  Oxon Hill and Marlow Heights around 915 PM EDT.
  Coral Hills, Camp Springs, Walker Mill, Temple Hills, Seat 
  Pleasant and Carmody Hills-Pepper Mill Village around 920 PM EDT.

Other locations impacted by this tornadic thunderstorm include Rock
Creek, Capitol Heights, Bolling Air Force, Suitland-Silver Hill, The
White House, The Mall, Fairmount Heights and District Heights.

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3886 7710 3891 7709 3890 7687 3879 7693
TIME...MOT...LOC 0102Z 285DEG 28KT 3889 7707 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
MANNING
005 
WWUS51 KLWX 020106
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
906 PM EDT Thu Jul 1 2021

VAC510-020115-
/O.CAN.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
City of Alexandria VA-
906 PM EDT Thu Jul 1 2021

...THE TORNADO WARNING FOR THE NORTHEASTERN CITY OF ALEXANDRIA IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning hasmoved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3891 7707 3890 7687 3879 7693 3886 7708
      3891 7708
TIME...MOT...LOC 0105Z 284DEG 28KT 3889 7704 

$$

DCC001-MDC033-VAC013-020130-
/O.CON.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
District of Columbia DC-Prince Georges MD-Arlington VA-
906 PM EDT Thu Jul 1 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR THE
SOUTHERN DISTRICT OF COLUMBIA...WEST CENTRAL PRINCE GEORGES AND
SOUTHEASTERN ARLINGTON COUNTIES...
    
At 905 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Georgetown, moving east at 30 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...
  Anacostia around 910 PM EDT.
  RFK Stadium and Oxon Hill around 915 PM EDT.
  Coral Hills, Camp Springs, Walker Mill, Temple Hills, Marlow 
  Heights, Seat Pleasant and Carmody Hills-Pepper Mill Village 
  around 920 PM EDT.

Other locations impacted by this tornadic thunderstorm include Rock
Creek, Capitol Heights, Bolling Air Force, Suitland-Silver Hill, The
White House, The Mall, Fairmount Heights and District Heights.

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3891 7707 3890 7687 3879 7693 3886 7708
      3891 7708
TIME...MOT...LOC 0105Z 284DEG 28KT 3889 7704 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
MANNING
364 
WWUS51 KLWX 020110
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
910 PM EDT Thu Jul 1 2021

VAC013-020119-
/O.CAN.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
Arlington VA-
910 PM EDT Thu Jul 1 2021

...THE TORNADO WARNING FOR SOUTHEASTERN ARLINGTON COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning hasmoved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3886 7689 3888 7701 3891 7701 3890 7687
TIME...MOT...LOC 0109Z 269DEG 38KT 3890 7696 

$$

DCC001-MDC033-020130-
/O.CON.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
District of Columbia DC-Prince Georges MD-
910 PM EDT Thu Jul 1 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR THE EAST
CENTRAL DISTRICT OF COLUMBIA AND NORTHWESTERN PRINCE GEORGES
COUNTIES...
    
At 909 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Kenilworth, or over RFK Stadium, moving east at 45
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...
  Walker Mill and Carmody Hills-Pepper Mill Village around 915 PM 
  EDT.

Other locations impacted by this tornadic thunderstorm include
Fairmount Heights, Capitol Heights and District Heights.

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3886 7689 3888 7701 3891 7701 3890 7687
TIME...MOT...LOC 0109Z 269DEG 38KT 3890 7696 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
Manning
557 
WWUS51 KLWX 020119
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
919 PM EDT Thu Jul 1 2021

DCC001-MDC033-020130-
/O.CON.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
District of Columbia DC-Prince Georges MD-
919 PM EDT Thu Jul 1 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR THE
SOUTHEASTERN DISTRICT OF COLUMBIA AND NORTHWESTERN PRINCE GEORGES
COUNTIES...
    
At 918 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Fedex Field, moving east at 30 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 tornadic thunderstorm will remain over mainly rural areas of the
southeastern District of Columbia and northwestern Prince Georges
Counties, including the following locations... Capitol Heights,
Fairmount Heights and District Heights.

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3886 7689 3887 7694 3890 7693 3890 7687
TIME...MOT...LOC 0118Z 286DEG 28KT 3888 7687 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
Manning
693 
WWUS51 KLWX 020124
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
924 PM EDT Thu Jul 1 2021

DCC001-MDC033-020133-
/O.EXP.KLWX.TO.W.0016.000000T0000Z-210702T0130Z/
District of Columbia DC-Prince Georges MD-
924 PM EDT Thu Jul 1 2021

...THE TORNADO WARNING FOR THE SOUTHEASTERN DISTRICT OF COLUMBIA AND
NORTHWESTERN PRINCE GEORGES COUNTIES WILL EXPIRE AT 930 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3886 7689 3887 7694 3890 7693 3890 7687
TIME...MOT...LOC 0123Z 286DEG 28KT 3887 7684 

$$
Manning

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 8:17 PM EDTSpecial Marine WarningLWX79 min
Jul 1, 8:26 PM EDTSevere Thunderstorm WarningLWXFairfax, Loudoun, Prince William, City of Fairfax, City of Manassas, City of Manassas Park37 min
Jul 1, 8:30 PM EDTFlash Flood Warning Considerable damage threatLWXArlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church2 hr
Jul 1, 8:47 PM EDTSevere Thunderstorm WarningLWXArlington, Fairfax, City of Alexandria, City of Falls Church43 min
Jul 1, 8:56 PM EDTSpecial Marine WarningLWX111 min
Jul 1, 9:46 PM EDTSpecial Marine WarningLWX71 min
Jul 1, 10:45 PM EDTAreal Flood WarningLWXArlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church, City of Manassas Park3 hr
Jul 1, 11:36 PM EDTSpecial Marine WarningLWX84 min
Jul 2, 12:04 PM EDTSmall Craft AdvisoryLWX31 hr
Jul 1, 9:11 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Prince George's49 min
Jul 1, 9:13 PM EDTTornado WarningLWXPrince George's21 min

Nearby

Tornado Warnings in Virginia, 2021Tornado Warnings in Maryland, 2021Tornado Warnings in District of Columbia, 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.