Tornadoes · United States · Virginia · 2015

EF0 tornado, Bowling Green, Virginia, June 20, 2015

This EF0 tornado ran 1.3 miles across Caroline County on June 20, 2015, touching down at 8:12 PM EDT and reaching 50 yards wide. It killed nobody, and did $25,000 of property damage.

The rating scale

Tracks are drawn in the color of the rating. The Enhanced Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.

  1. EF065 to 85 mphthis tornado

    Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

  2. EF186 to 110 mph

    Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

  3. EF2111 to 135 mph

    Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.

  4. EF3136 to 165 mph

    Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

  5. EF4166 to 200 mph

    Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

  6. EF5over 200 mph

    Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.

  7. Unrated

    The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.

The record

Rating
EF0
Date
June 20, 2015
Touchdown
8:12 PM EDT (00:12 UTC)
Lifted
8:15 PM EDT (00:15 UTC)
On the ground
3 minutes
Path length
1.3 miles (2.1 km)
Path width
50 yards (46 m)
Deaths
0
Injuries
0
Property damage
$25,000
County
Caroline County
Touchdown point
38.043, -77.323
Lift-off point
38.057, -77.308
Record number
1506201812-01

What the Weather Service recorded

Scattered severe thunderstorms in advance of low pressure and a weak cold front produced damaging winds, large hail, and one weak tornado across portions of central and eastern Virginia.

A brief tornado touch down occurred less than one mile south of Bowling Green. Several trees were snapped off, and a couple of trees were downed. One large limb was downed on a mobile home. Additional large trees and power lines were downed in Fort A.P. Hill, along with significant damage to several large tents.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

The warnings

No tornado warning for this county appears in the archive as in force at the moment the tornado touched down. One was issued for the county at another hour that day.

The county was under a severe thunderstorm watch, issued at 19:26 UTC and running to 02:50 UTC.

Issued (UTC)ExpiredProductOffice
19:26 UTC02:50 UTCSevere Thunderstorm WatchAKQ
23:12 UTC00:00 UTCSevere Thunderstorm WarningAKQ
23:48 UTC00:45 UTCSevere Thunderstorm WarningAKQ
00:09 UTC01:00 UTCSevere Thunderstorm WarningAKQ
00:13 UTC00:38 UTCTornado WarningAKQ
01:27 UTC02:24 UTCSevere Thunderstorm WarningAKQ
01:58 UTC02:27 UTCSevere Thunderstorm WarningAKQ

Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.

The forecast that day

The Storm Prediction Center had this point in a Slight Risk, with a 0.05 chance of a tornado within 25 miles. The outlook in force was issued at 20:00 UTC.

SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.

The air that afternoon

The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.

Washington/Dulle, VA (KIAD), 12:00Z

11.8 hours after it, 100 km from the path. June 21, 2015.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2015-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 20 joules per kilogram, CIN -201, lifted condensation level 921 meters above ground. Wind barbs in knots down the right edge.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. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2015-06-21The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity 232 square meters per square second, 0 to 6 km bulk shear 26 knots.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. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
20 J/kg
Mixed-layer CIN
-201 J/kg
Surface CAPE
334 J/kg
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
26 kt
0-1 km bulk shear
38 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1
0-3 km lapse rate
4.5 K/km

Open this sounding in Storm Lab

The radar

The Sterling radar (KLWX), 104 km away, was scanning. The volume nearest the touchdown began at 00:12 UTC.

Open the radar archive at this moment, over the track

Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.

What was reported nearby

Local storm reports within 60 km of the path, in the three hours either side.

Time (UTC)ReportWhereCountyRemark
23:40 UTCTSTM WND DMGRuther GlenCaroline, VATREES AND POWER LINES DOWN.
23:44 UTCFUNNEL CLOUD1 Ene ChancellorsvilleSpotsylvania, VA
23:49 UTCTSTM WND DMGLadysmithCaroline, VATREES DOWN ON ROUTE 1 NEAR LADYSMITH.
23:50 UTCFUNNEL CLOUD2 Ese Holly CornerStafford, VAFUNNEL CLOUD
00:08 UTCTORNADO1 S Bowling GreenCaroline, VAEF0 TORNADO...SEVERAL TREES SNAPPED OFF. COUPLE OF TREES DOWN. DAMAGE TO ONE MOBILE HOME.
00:12 UTCTORNADO1 S Bowling GreenCaroline, VAEF0 TORNADO...SEVERAL TREES SNAPPED OFF. SEVERAL TREES DOWN. DAMAGE TO ONE MOBILE HOME. SEVERAL LARGE TENTS DAMAGED.
00:12 UTCTSTM WND DMG2 N StaffordStafford, VAA LARGE TREE WAS REPORTED DOWN ON ROUTE 1 NEAR JASON LANE.
00:19 UTCTSTM WND GST 641 Nne FernleighCity of Richmond, VATREES DOWN AROUND STONEY POINT.
00:20 UTCTSTM WND DMGPartlowSpotsylvania, VA5-8 TREES DOWN IN THE PARTLOW AREA
00:22 UTCTSTM WND DMGDoswellHanover, VATREES DOWN ACROSS 301N
00:22 UTCTSTM WND DMGRichmondCity of Richmond, VATREES AND POWER LINES REPORTED DOWN IN RICHMOND BY FIRE DEPT.
00:23 UTCMARINE TSTM WIND 541 Sw QuanticoPrince William, VA
00:24 UTCTSTM WND DMGPort RoyalCaroline, VANUMEROUS TREES DOWN AROUND PORT ROYAL
00:26 UTCTSTM WND GST 621 Sw QuanticoPrince William, VA
00:30 UTCTSTM WND DMGBowling GreenCaroline, VATREES DOWN ACROSS 301N
00:31 UTCTSTM WND DMG2 Nnw WeedonvilleKing George, VAA TREE WAS REPORTED DOWN ON CALEDON ROAD NEAR INDIANTOWN ROAD.
00:35 UTCTSTM WND DMG5 Ssw White OakSpotsylvania, VA2 TREES ON POWER LINES
00:45 UTCTSTM WND DMGBattlefield GreenHanover, VALARGE TREE DOWN ON REUNION DRIVE.
00:51 UTCTSTM WND DMGOak GroveWestmoreland, VATREES AND POWE LINES DOWN AROUND OAK GROVE
00:55 UTCTSTM WND DMGLeedstownWestmoreland, VANUMEROUS TREES DOWN
01:10 UTCTSTM WND DMGTappahannockEssex, VANUMEROUS TREES DOWN ACROSS THE AREA. HIGHWAY 17 BLOCKED ALONG WITH SEVERAL OTHER ROADS.
01:30 UTCTSTM WND DMGRichmondCity of Richmond, VATREES DOWN ALONG THE BOULEVARD. THE ROAD WAS CLOSED. TREES ON SEVERAL CAR.
01:50 UTCTSTM WND DMGQuintonNew Kent, VANUMEROSU TREES AND POWER LINES DOWN ACROSS MUCH OF NEW KENT COUNTY
01:55 UTCTSTM WND DMGMangohickKing William, VANUMEROUS TREES AND POWER LINES DOWN ACROSS THE NORTHERN END OF THE COUNTY.
01:55 UTCTSTM WND DMGManquinKing William, VATREES DOWN ALONG HIGHWAY 360.
02:25 UTCTSTM WND DMGNewlandRichmond, VATREES AND POWER LINES DOWN NEAR NEWLAND
02:25 UTCTSTM WND DMGWarsawRichmond, VATREES DOWN FROM NAYLOR BEACH TO WARSAW

From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.

This ground now

The live radar over the trackEvery 2015 tornado in VirginiaEvery tornado in Virginia since 1950Warnings in force in Virginia nowThe forecast where you are

The other tornadoes of June 20, 2015

10 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
June 202:12 PM EDTEF0Washington, OH0.177$15,000
June 204:10 PM CDTEF0Towner, ND0.150
June 206:09 PM CDTEF1Monroe, IA3.6175$80,000
June 207:27 PM EDTEF0Prince William, VA2.1100$50,000
June 207:39 PM EDTEF0Frederick, MD1.575$5,000
June 207:01 PM CDTEF1Washington, IA1.475$50,000
June 207:02 PM CDTEF0Griggs, ND1.550
June 207:18 PM CDTEF1Henry, IA3.5752$100,000
June 207:32 PM CDTEF1Des Moines, IA2.950$300,000
June 207:34 PM CDTEF1Lee, IA4.450

What this means

Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.

Sources

NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.