Alert archive / Virginia / Tornado Warnings in 2018

Tornado Warning 13, NWS Baltimore/Washington

August 2, 20185 counties in Virginia

NWS Baltimore/Washington issued this tornado warning at Aug 2, 2018, 12:36 PM EDT for 5 counties in Virginia. It was in force for 24 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
Aug 2, 2018, 12:36 PM EDT (16:36 UTC)
Expired
Aug 2, 2018, 1:00 PM EDT
In force
24 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Culpeper County, VA, Fauquier County, VA, Orange County, VA, Spotsylvania County, VA, Stafford County, VA

The radar

The Sterling radar (KLWX), 70 km from the middle of the area, began a volume at 16:37 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 nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 4.6 hours before the alert went out and 70 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 12:00Z on 2018-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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 12:00Z on 2018-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.19395878Sfc1 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
98 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

056 
WFUS51 KLWX 021636
TORLWX
VAC047-061-137-177-179-021700-
/O.NEW.KLWX.TO.W.0013.180802T1636Z-180802T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
1236 PM EDT THU AUG 2 2018

The National Weather Service in Sterling Virginia has issued a

* Tornado Warning for...
  West central Stafford County in northern Virginia...
  Northeastern Orange County in central Virginia...
  Southeastern Fauquier County in northern Virginia...
  Southeastern Culpeper County in northern Virginia...
  North central Spotsylvania County in central Virginia...

* Until 100 PM EDT.
    
* At 1236 PM EDT, a severe thunderstorm capable of producing a
  tornado was located 12 miles northwest of Spotsylvania, or 14 miles
  west of Fredericksburg, 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 tornadic thunderstorm will remain over mainly rural areas of
  west central Stafford...northeastern Orange...southeastern
  Fauquier...southeastern Culpeper and north central Spotsylvania
  Counties, including the following locations... Heflin, Storck,
  Dunavant, Lake Of The Woods, Richardsville, Morrisville, Hartwood,
  Goldvein, Sumerduck and Flat Run.

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 3827 7774 3831 7782 3854 7768 3845 7750
TIME...MOT...LOC 1636Z 212DEG 16KT 3832 7776 

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

$$

SMZ
2 follow-up statements
417 
WWUS51 KLWX 021643
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
1243 PM EDT THU AUG 2 2018

VAC047-061-137-177-179-021700-
/O.CON.KLWX.TO.W.0013.000000T0000Z-180802T1700Z/
Stafford VA-Orange VA-Fauquier VA-Culpeper VA-Spotsylvania VA-
1243 PM EDT THU AUG 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM EDT FOR WEST
CENTRAL STAFFORD...EASTERN ORANGE...SOUTHEASTERN FAUQUIER...
SOUTHEASTERN CULPEPER AND NORTH CENTRAL SPOTSYLVANIA COUNTIES...
    
At 1243 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles northwest of Spotsylvania, or 12 miles west of
Fredericksburg, 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.

Locations impacted include...
Dunavant, Heflin, Storck, Goldvein and Hartwood. 

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 3830 7771 3833 7776 3852 7764 3845 7750
TIME...MOT...LOC 1643Z 219DEG 16KT 3834 7771 

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

$$

SMZ
994 
WWUS51 KLWX 021653
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
1253 PM EDT THU AUG 2 2018

VAC137-021702-
/O.CAN.KLWX.TO.W.0013.000000T0000Z-180802T1700Z/
Orange VA-
1253 PM EDT THU AUG 2 2018

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

LAT...LON 3835 7767 3837 7771 3848 7765 3844 7755
TIME...MOT...LOC 1652Z 212DEG 16KT 3838 7768 

$$

VAC047-061-177-179-021700-
/O.CON.KLWX.TO.W.0013.000000T0000Z-180802T1700Z/
Stafford VA-Fauquier VA-Culpeper VA-Spotsylvania VA-
1253 PM EDT THU AUG 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM EDT FOR WEST
CENTRAL STAFFORD...SOUTHERN FAUQUIER...EASTERN CULPEPER AND NORTH
CENTRAL SPOTSYLVANIA COUNTIES...
    
At 1252 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles northwest of Fredericksburg, 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.

Locations impacted include...
Storck, Dunavant and Goldvein. 

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 3835 7767 3837 7771 3848 7765 3844 7755
TIME...MOT...LOC 1652Z 212DEG 16KT 3838 7768 

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

$$

SMZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 9:40 PM EDTSpecial Marine WarningLWX95 min
Aug 1, 10:17 PM EDTSpecial Marine WarningLWX88 min
Aug 1, 11:05 PM EDTAreal Flood WarningLWXFairfax, Fauquier, Loudoun, Prince William, City of Fairfax4 hr
Aug 1, 11:05 PM EDTSevere Thunderstorm WarningLWXFairfax, Fauquier, Loudoun, Prince William25 min
Aug 1, 11:14 PM EDTSpecial Marine WarningLWX42 min
Aug 1, 11:39 PM EDTSpecial Marine WarningLWX18 min
Aug 2, 3:35 AM EDTAreal Flood WarningLWXPrince William5 hr
Aug 2, 11:24 AM EDTSevere Thunderstorm WarningLWXAlbemarle, Greene, Madison, Orange51 min
Aug 2, 12:08 PM EDTSevere Thunderstorm WarningLWXCulpeper, Madison, Orange52 min
Aug 2, 12:32 PM EDTSevere Thunderstorm WarningLWXCulpeper, Fauquier, Orange27 min
Aug 2, 12:56 PM EDTTornado WarningLWXCulpeper, Fauquier, Spotsylvania, Stafford13 min
Aug 2, 1:54 PM EDTSpecial Marine WarningLWX96 min
Aug 2, 1:55 PM EDTSevere Thunderstorm WarningLWXFairfax, Prince William50 min
Aug 2, 2:22 PM EDTAreal Flood WarningLWXFairfax, Prince William5 hr
Aug 2, 2:26 PM EDTAreal Flood WarningLWXFauquier15 hr
Aug 2, 2:51 PM EDTAreal Flood WarningLWXArlington, Fairfax, City of Alexandria, City of Falls Church5 hr
Aug 2, 3:09 PM EDTSpecial Marine WarningLWX96 min
Aug 2, 3:29 PM EDTSpecial Marine WarningLWX37 min
Aug 2, 3:47 PM EDTSpecial Marine WarningLWX88 min
Aug 2, 4:40 PM EDTSpecial Marine WarningLWX95 min
Aug 2, 5:11 PM EDTSpecial Marine WarningLWX68 min
Aug 2, 5:23 PM EDTSevere Thunderstorm WarningLWXAugusta, Rockingham, City of Harrisonburg52 min
Aug 2, 5:45 PM EDTAreal Flood WarningLWXAugusta, Rockingham, City of Harrisonburg, City of Staunton112 min
Aug 2, 6:10 PM EDTSevere Thunderstorm WarningLWXGreene, Madison, Page, Rockingham17 min
Aug 2, 6:42 PM EDTAreal Flood WarningLWXGreene, Rockingham, City of Harrisonburg5 hr
Aug 2, 7:01 PM EDTAreal Flood WarningLWXAlbemarle, Augusta, Nelson, City of Waynesboro2 hr
Aug 2, 7:03 PM EDTAreal Flood WarningLWXFauquier, Madison, Page, Rappahannock, Warren6 hr
Aug 2, 7:24 PM EDTFlash Flood WarningLWXGreene, Madison, Page, Rappahannock, Rockingham78 min

Nearby

Tornado Warnings in Virginia, 2018Every tornado warning in 2018Tornadoes in 2018

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.