Alert archive / Virginia / Tornado Watches in 2013
Tornado Watch 286
The Storm Prediction Center issued this tornado watch at Jun 7, 2013, 1:00 PM EDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 7, 2013, 1:00 PM EDT (17:00 UTC)
- Expired
- Jun 7, 2013, 8:03 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
All 66 counties
Sussex County, DE, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Currituck County, NC, Dare County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Halifax County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, Accomack County, VA, Charles City County, VA, Chesterfield County, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Hopewell, VA, City of Newport News, VA, City of Norfolk, VA, City of Petersburg, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Dinwiddie County, VA, Gloucester County, VA, Greensville County, VA, Henrico County, VA, Isle of Wight County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, York County, VA
The radar
The Norfolk radar (KAKQ), 67 km from the middle of the area, began a volume at 17:01 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
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 1:30 PM EDT | Flash Flood Warning | AKQ | Charles City, Prince George, City of Hopewell, City of Petersburg | 3 hr |
| Jun 7, 1:44 PM EDT | Flash Flood Warning | AKQ | Charles City, New Kent | 3 hr |
| Jun 7, 3:00 PM EDT | Flash Flood Warning | AKQ | Charles City, James City, King and Queen, King William, New Kent, City of Williamsburg | 3 hr |
| Jun 7, 4:00 PM EDT | Flash Flood Warning | RAH | Durham, Granville, Halifax, Person, Vance, Wake and 1 more | 3 hr |
| Jun 7, 4:52 PM EDT | Flash Flood Warning | AKQ | Northampton | 5 hr |
| Jun 7, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 52 min |
| Jun 7, 5:56 PM EDT | Flash Flood Warning | AKQ | Charles City, James City, King and Queen, King William, New Kent, City of Williamsburg | 4 hr |
| Jun 7, 6:01 PM EDT | Flash Flood Warning | AKQ | Dinwiddie, Prince George, Surry, Sussex, City of Hopewell, City of Petersburg | 4 hr |
| Jun 7, 7:04 PM EDT | Flash Flood Warning | RAH | Halifax, Vance, Warren | 116 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 5.0 hours before the alert went out and 137 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
- 45 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 596 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
100 WWUS20 KWNS 071703 SEL6 SPC WW 071703 MDZ000-NCZ000-VAZ000-CWZ000-080000- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 286 NWS STORM PREDICTION CENTER NORMAN OK 100 PM EDT FRI JUN 7 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF SOUTHERN MARYLAND EASTERN NORTH CAROLINA EASTERN VIRGINIA COASTAL WATERS * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 800 PM EDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES LIKELY SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES EAST NORTHEAST OF NORFOLK VIRGINIA TO 55 MILES NORTHWEST OF NEW BERN NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). 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...THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 285. WATCH NUMBER 285 WILL NOT BE IN EFFECT AFTER 100 PM EDT. DISCUSSION...SHOWERS/TSTMS WITH A POTENTIAL FOR LOW-LVL ROTATION EXPECTED TO PERSIST N AND E OF TS ANDREA AS THAT SYSTEM CONTINUES NEWD THROUGH THIS EVE. THE STRONGEST LOW-LVL SPEED AND DIRECTIONAL SHEAR...AND GREATEST RISK FOR TORNADOES...SHOULD FOCUS ALONG SW-NE FRONTAL ZONE ATTM EXTENDING FROM N OF RAH THROUGH SE VA TO NEAR SBY. SOME RISK FOR DMGG WIND AND PERHAPS A TORNADO OR TWO ALSO WILL EXIST WITH CONVECTION/POSSIBLE STORMS FORMING ALONG S-N ORIENTED CONFLUENCE BANDS E OF CIRCULATION CENTER...WHERE DIRECTIONAL SHEAR IS WEAKER BUT SFC HEATING WILL BE MAXIMIZED. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 20035. ...CORFIDI
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 3:32 PM EDT | Mesoscale Discussion | SPC | Sussex | 58 min |
| Jun 7, 7:27 PM EDT | Mesoscale Discussion | SPC | Sussex | 3 hr |
| Jun 7, 6:40 PM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico | 2 hr |
| Jun 7, 12:49 AM EDT | Mesoscale Discussion | SPC | Brunswick, New Hanover | 56 min |
| Jun 7, 3:34 AM EDT | Mesoscale Discussion | SPC | Beaufort, Carteret, Craven, Dare, Hyde, Jones and 4 more | 2 hr |
| Jun 7, 5:37 AM EDT | Tornado Watch | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Craven and 23 more | 7 hr |
| Jun 7, 8:35 AM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Craven and 23 more | 85 min |
| Jun 7, 11:26 AM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Camden, Carteret, Chowan and 22 more | 64 min |
Nearby
Tornado Watches in Virginia, 2013Tornado Watches in North Carolina, 2013Tornado Watches in Maryland, 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.