Alert archive / Virginia / Tornado Warnings in 2021
Tornado Warning 4, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at May 3, 2021, 6:26 PM EDT for Loudoun County, Virginia; Washington County, Maryland; Jefferson County, West Virginia. It was in force for 34 min. 8 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
- May 3, 2021, 6:26 PM EDT (22:26 UTC)
- Expired
- May 3, 2021, 7:00 PM EDT
- In force
- 34 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Washington County, MD, Loudoun County, VA, Jefferson County, WV
The radar
The Sterling radar (KLWX), 47 km from the middle of the area, began a volume at 22:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 3, 6:27 PM EDT | TSTM WND DMG | 1 N Ranson, WV | *** 1 INJ *** STRUCTURE COLLAPSE ALONG THE 200 BLOCK OF 16TH AVE. IN RANSON, WV. |
| May 3, 6:27 PM EDT | TSTM WND DMG | 1 N Ranson, WV | SHED COLLAPSED IN BACK YARD OF A RESIDENCE ON ROBELEI DR. IN RANSON, WV. THERE WAS ALSO AN OVERTURNED BOX TRUCK ON N. MILDRED ST. ADJACENT TO THE HOME. |
| May 3, 6:27 PM EDT | TORNADO | 1 Nnw Ranson, WV | *** 1 INJ *** EF-1. PEAK WIND 90 MPH. PATH LENGTH 1.8 MILES. PATH WIDTH 125 YARDS. 6:27PM - 6:32PM |
| May 3, 6:31 PM EDT | TSTM WND DMG | 2 Sse Shenandoah Juncti, WV | VINYL SIDING PEELED FROM HOME. BRICK PILLAR DAMAGED. PART OF ROOF PEELED OFF NEAR INTERSECTION OF FLOWING SPRINGS RD AND OLD COUNTRY CLUB RD. |
| May 3, 6:32 PM EDT | TSTM WND DMG | 2 Ne Ranson, WV | TREE DOWN ON FLOWING SPRINGS ROAD NEAR FLOWING ACRES ROAD. |
| May 3, 6:32 PM EDT | TSTM WND DMG | Charles Town, WV | ROOF BLOWN OFF OF MOBILE HOME IN 70 BLOCK OF CAMBRIDGE DRIVE. |
| May 3, 6:35 PM EDT | TSTM WND DMG | 2 Nne Shenandoah Juncti, WV | TREE DOWN ON WHITMER ROAD AT PURDHAM LANE. |
| May 3, 6:44 PM EDT | TSTM WND DMG | 1 N Ranson, WV | *** 1 INJ *** STRUCTURE COLLAPSE ALONG THE 200 BLOCK OF 16TH AVE. IN RANSON, WV. |
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 12:00Z, 10.4 hours before the alert went out and 54 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1510 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
865
WFUS51 KLWX 032226
TORLWX
MDC043-VAC107-WVC037-032300-
/O.NEW.KLWX.TO.W.0004.210503T2226Z-210503T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
626 PM EDT Mon May 3 2021
The National Weather Service in Sterling Virginia has issued a
* Tornado Warning for...
Southeastern Washington County in north central Maryland...
Northwestern Loudoun County in northern Virginia...
Central Jefferson County in the Panhandle of West Virginia...
* Until 700 PM EDT.
* At 626 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Corporation Of Ranson, or over Charles Town,
moving east at 25 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...
Harpers Ferry around 640 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Shenandoah Junction, Bolivar, Pleasantville, Neersville, Millville,
Bakerton and Halltown.
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 3925 7768 3929 7794 3936 7794 3939 7785
3940 7767
TIME...MOT...LOC 2226Z 271DEG 23KT 3931 7785
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
ADS2 follow-up statements
653
WWUS51 KLWX 032243
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
643 PM EDT Mon May 3 2021
VAC107-032252-
/O.CAN.KLWX.TO.W.0004.000000T0000Z-210503T2300Z/
Loudoun VA-
643 PM EDT Mon May 3 2021
...THE TORNADO WARNING FOR NORTHWESTERN LOUDOUN COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning will remain
north of Loudoun County. Therefore, the warning has been cancelled.
LAT...LON 3933 7767 3931 7780 3936 7785 3939 7781
3940 7767
TIME...MOT...LOC 2242Z 252DEG 26KT 3936 7775
$$
MDC043-WVC037-032300-
/O.CON.KLWX.TO.W.0004.000000T0000Z-210503T2300Z/
Washington MD-Jefferson WV-
643 PM EDT Mon May 3 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN WASHINGTON AND EAST CENTRAL JEFFERSON COUNTIES...
At 642 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Harpers Ferry, or near Shepherdstown, moving east at
30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation. Structural damage has been
reported in Ranson.
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.
Locations impacted include...
Harpers Ferry, Bolivar, Shenandoah Junction, Bakerton, Pleasantville
and Halltown.
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 3933 7767 3931 7780 3936 7785 3939 7781
3940 7767
TIME...MOT...LOC 2242Z 252DEG 26KT 3936 7775
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
ADS477
WWUS51 KLWX 032257
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
657 PM EDT Mon May 3 2021
MDC043-WVC037-032307-
/O.EXP.KLWX.TO.W.0004.000000T0000Z-210503T2300Z/
Washington MD-Jefferson WV-
657 PM EDT Mon May 3 2021
...THE TORNADO WARNING FOR SOUTHEASTERN WASHINGTON AND EAST CENTRAL
JEFFERSON COUNTIES WILL EXPIRE AT 700 PM EDT...
The tornado threat has diminished and the Tornado Warning will be
allowed to expire. However, damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for Washington and
Frederick Counties.
LAT...LON 3933 7767 3931 7780 3936 7785 3939 7781
3940 7767
TIME...MOT...LOC 2257Z 271DEG 23KT 3936 7763
$$
ADSThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 2:59 PM EDT | Special Marine Warning | LWX | 91 min | |
| May 3, 3:51 PM EDT | Special Marine Warning | LWX | 54 min | |
| May 3, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 35 min |
| May 3, 5:53 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 52 min |
| May 3, 6:50 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 40 min |
| May 3, 7:08 PM EDT | Areal Flood Warning | LWX | Washington | 3 hr |
| May 3, 7:40 PM EDT | Tornado Warning | LWX | Frederick | 35 min |
Nearby
Tornado Warnings in Virginia, 2021Tornado Warnings in Maryland, 2021Tornado Warnings in West 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.