Alert archive / Virginia / Tornado Watches in 2013
Tornado Watch 293
The Storm Prediction Center issued this tornado watch at Jun 10, 2013, 2:02 PM EDT for 7 states. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2013, 2:02 PM EDT (18:02 UTC)
- Expired
- Jun 11, 2013, 12:00 AM EDT
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 184 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Caroline County, MD, Carroll County, MD, Cecil County, MD, Charles County, MD, City of Baltimore, MD, Dorchester County, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Kent County, MD, Montgomery County, MD, Prince George's County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Somerset County, MD, Talbot County, MD, Washington County, MD, Wicomico County, MD, Worcester County, MD, Alleghany County, NC, Bertie County, NC, Camden County, NC, Caswell County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Hertford County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Rockingham County, NC, Stokes County, NC, Surry County, NC, Wilkes County, NC, Yadkin County, NC, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Adams County, PA, Chester County, PA, Cumberland County, PA, Dauphin County, PA, Delaware County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Mifflin County, PA, Montgomery County, PA, Perry County, PA, Philadelphia County, PA, York County, PA, Accomack County, VA, Albemarle County, VA, Alleghany County, VA, Amelia County, VA, Amherst County, VA, Appomattox County, VA, Arlington County, VA, Augusta County, VA, Bath County, VA, Bedford County, VA, Botetourt County, VA, Brunswick County, VA, Buckingham County, VA, Campbell County, VA, Caroline County, VA, Carroll County, VA, Charles City County, VA, Charlotte County, VA, Chesterfield County, VA, City of Alexandria, VA, City of Buena Vista, VA, City of Charlottesville, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Covington, VA, City of Danville, VA, City of Emporia, VA, City of Fairfax, VA, City of Falls Church, VA, City of Franklin, VA, City of Fredericksburg, VA, City of Galax, VA, City of Hampton, VA, City of Harrisonburg, VA, City of Hopewell, VA, City of Lexington, VA, City of Lynchburg, VA, City of Manassas, VA, City of Manassas Park, VA, City of Martinsville, VA, City of Newport News, VA, City of Norfolk, VA, City of Petersburg, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Radford, VA, City of Richmond, VA, City of Roanoke, VA, City of Salem, VA, City of Staunton, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Waynesboro, VA, City of Williamsburg, VA, City of Winchester, VA, Clarke County, VA, Craig County, VA, Culpeper County, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fairfax County, VA, Fauquier County, VA, Floyd County, VA, Fluvanna County, VA, Franklin County, VA, Frederick County, VA, Gloucester County, VA, Goochland County, VA, Greene County, VA, Greensville County, VA, Halifax County, VA, Hanover County, VA, Henrico County, VA, Henry County, VA, Highland County, VA, Isle of Wight County, VA, James City County, VA, King and Queen County, VA, King George County, VA, King William County, VA, Lancaster County, VA, Loudoun County, VA, Louisa County, VA, Lunenburg County, VA, Madison County, VA, Mathews County, VA, Mecklenburg County, VA, Middlesex County, VA, Montgomery County, VA, Nelson County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Nottoway County, VA, Orange County, VA, Page County, VA, Patrick County, VA, Pittsylvania County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Prince William County, VA, Rappahannock County, VA, Richmond County, VA, Roanoke County, VA, Rockbridge County, VA, Rockingham County, VA, Shenandoah County, VA, Southampton County, VA, Spotsylvania County, VA, Stafford County, VA, Surry County, VA, Sussex County, VA, Warren County, VA, Westmoreland County, VA, York County, VA, Berkeley County, WV, Jefferson County, WV, Morgan County, WV
The radar
The Norfolk radar (KAKQ), 118 km from the middle of the area, began a volume at 18:05 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 60%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 5%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
38 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 2:30 PM EDT | Flash Flood Warning | LWX | Fairfax, Prince William | 3 hr |
| Jun 10, 2:51 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 3 hr |
| Jun 10, 2:58 PM EDT | Flash Flood Warning | LWX | Arlington, Fairfax, City of Alexandria | 3 hr |
| Jun 10, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 60 min |
| Jun 10, 3:15 PM EDT | Severe Thunderstorm Warning | RNK | Bedford, Botetourt | 45 min |
| Jun 10, 3:24 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 36 min |
| Jun 10, 4:06 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Jun 10, 4:46 PM EDT | Tornado Warning | PHI | New Castle | 29 min |
| Jun 10, 4:55 PM EDT | Tornado Warning | LWX | Frederick, City of Winchester | 35 min |
| Jun 10, 5:13 PM EDT | Severe Thunderstorm Warning | RNK | Appomattox, Campbell, Charlotte, Halifax, Pittsylvania | 47 min |
| Jun 10, 5:17 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia, Cumberland, Nottoway, Prince Edward | 43 min |
| Jun 10, 5:22 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 23 min |
| Jun 10, 5:22 PM EDT | Tornado Warning | AKQ | Amelia, Cumberland, Nottoway, Prince Edward | 38 min |
| Jun 10, 5:42 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 48 min |
| Jun 10, 5:57 PM EDT | Severe Thunderstorm Warning | RNK | Appomattox, Buckingham, Campbell, Charlotte | 48 min |
| Jun 10, 5:58 PM EDT | Tornado Warning | AKQ | Amelia, Nottoway, Prince Edward | 32 min |
| Jun 10, 6:09 PM EDT | Severe Thunderstorm Warning | AKQ | Camden, Gates | 51 min |
| Jun 10, 6:14 PM EDT | Severe Thunderstorm Warning | AKQ | Cumberland, Fluvanna, Goochland, Louisa | 46 min |
| Jun 10, 6:19 PM EDT | Tornado Warning | AKQ | Camden, Gates | 26 min |
| Jun 10, 6:28 PM EDT | Tornado Warning | AKQ | Amelia, Chesterfield, Powhatan | 32 min |
| Jun 10, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Orange, Spotsylvania, Stafford, City of Fredericksburg | 42 min |
| Jun 10, 6:42 PM EDT | Tornado Warning | AKQ | City of Chesapeake, City of Suffolk | 33 min |
| Jun 10, 6:56 PM EDT | Tornado Warning | LWX | Baltimore, Carroll, Howard, Montgomery | 34 min |
| Jun 10, 7:13 PM EDT | Flash Flood Warning | LWX | Carroll, Frederick, Howard, Montgomery | 3 hr |
| Jun 10, 7:14 PM EDT | Tornado Warning | AKQ | City of Chesapeake, City of Virginia Beach | 46 min |
| Jun 10, 7:24 PM EDT | Tornado Warning | LWX | Baltimore, Carroll | 36 min |
| Jun 10, 7:32 PM EDT | Flash Flood Warning | LWX | Fairfax, Prince William, City of Fairfax, City of Manassas, City of Manassas Park | 3 hr |
| Jun 10, 7:51 PM EDT | Severe Thunderstorm Warning | AKQ | City of Chesapeake, City of Virginia Beach | 24 min |
| Jun 10, 7:53 PM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 3 hr |
| Jun 10, 7:57 PM EDT | Tornado Warning | AKQ | Caroline, King and Queen, King William | 33 min |
| Jun 10, 8:04 PM EDT | Tornado Warning | LWX | Baltimore, Howard | 26 min |
| Jun 10, 8:15 PM EDT | Flash Flood Warning | LWX | Baltimore, Howard, City of Baltimore | 3 hr |
| Jun 10, 8:33 PM EDT | Tornado Warning | LWX | Calvert, Charles, Prince George's | 27 min |
| Jun 10, 9:30 PM EDT | Tornado Warning | LWX | Saint Mary's | 30 min |
| Jun 10, 9:34 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Prince George's | 3 hr |
| Jun 10, 9:40 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Jun 10, 10:41 PM EDT | Tornado Warning | AKQ | Dorchester, Wicomico | 34 min |
| Jun 10, 11:00 PM EDT | Tornado Warning | PHI | Sussex | 30 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.0 hours before the alert went out and 139 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
- 9 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
277 WWUS20 KWNS 101809 SEL3 SPC WW 101809 DCZ000-DEZ000-MDZ000-NCZ000-NJZ000-PAZ000-VAZ000-WVZ000-CWZ000-11020 0- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 293 NWS STORM PREDICTION CENTER NORMAN OK 200 PM EDT MON JUN 10 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF DISTRICT OF COLUMBIA DELAWARE MUCH OF MARYLAND NORTHERN NORTH CAROLINA SOUTHERN NEW JERSEY SOUTHEAST PENNSYLVANIA MUCH OF VIRGINIA THE EASTERN PANHANDLE OF WEST VIRGINIA COASTAL WATERS * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 200 PM UNTIL 1000 PM EDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES LIKELY NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTHWEST OF SOUTH HILL VIRGINIA TO 30 MILES NORTHWEST OF WILMINGTON DELAWARE. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 292... DISCUSSION...TSTMS EXPECTED TO DEVELOP/PERSIST THROUGH THIS EVE ALONG THE NRN EXTENSIONS OF THE SAME THE CONFLUENCE AXES RESPONSIBLE FOR STORMS NOW IN THE CAROLINAS. WHILE MID-LVL LAPSE RATES WILL REMAIN MODEST...SFC HEATING AND FAIRLY RICH LOW-LVL MOISTURE SHOULD YIELD SUFFICIENT BUOYANCY FOR SUSTAINED STORMS AND POSSIBLE SUPERCELLS GIVEN STRENGTHENING MID-LVL FLOW /WITH SWLY 500 MB FLOW AROUND 50 KTS/ AND ASCENT EXPECTED WITH THE CONTINUED EWD MOVEMENT OF TN VLY UPR TROUGH. POTENTIAL FOR LOW-LVL MESOCYCLONES MAY BE ENHANCED NEAR DIFFUSE WARM FRONT IN SE PA/NE MD/DE. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23030. ...CORFIDI
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 12:56 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Jun 10, 4:38 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 97 min |
| Jun 10, 6:49 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 10 more | 86 min |
| Jun 10, 11:31 AM EDT | Mesoscale Discussion | SPC | Anson, Cabarrus, Chatham, Cleveland, Cumberland, Davidson and 18 more | 119 min |
| Jun 10, 1:18 PM EDT | Tornado Watch | SPC | Alamance, Alexander, Anson, Bladen, Brunswick, Burke and 47 more | 9 hr |
| Jun 10, 4:03 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Chatham, Cumberland, Davidson, Durham and 20 more | 87 min |
| Jun 10, 5:47 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Brunswick, Chowan, Columbus, Craven and 14 more | 58 min |
| Jun 10, 6:27 PM EDT | Mesoscale Discussion | SPC | Graham | 93 min |
| Jun 10, 7:20 PM EDT | Mesoscale Discussion | SPC | Bladen, Brunswick, Columbus, Craven, Cumberland, Duplin and 14 more | 85 min |
| Jun 10, 2:32 PM EDT | Mesoscale Discussion | SPC | Lee | 88 min |
| Jun 10, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | Buchanan, Dickenson, Lee, Russell, Scott, Washington and 3 more | 7 hr |
Nearby
Tornado Watches in Virginia, 2013Tornado Watches in Maryland, 2013Tornado Watches in North Carolina, 2013Every tornado watch in 2013
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.