Alert archive / Virginia / Tornado Watches in 2015
Tornado Watch 364
The Storm Prediction Center issued this tornado watch at Jun 27, 2015, 1:54 PM EDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2015, 1:54 PM EDT (17:54 UTC)
- Expired
- Jun 27, 2015, 8:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 69 counties
Kent County, DE, Sussex County, DE, Calvert County, MD, Caroline County, MD, Charles County, MD, Dorchester County, MD, Kent County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Somerset County, MD, Talbot County, MD, Wicomico County, MD, Worcester County, MD, Bertie County, NC, Camden County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Hertford County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Accomack County, VA, Brunswick County, VA, Caroline 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 Fredericksburg, 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 Richmond, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Dinwiddie County, VA, Essex County, VA, Gloucester County, VA, Greensville County, VA, Hanover County, VA, Henrico 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, 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, Spotsylvania County, VA, Stafford County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA
The radar
The Norfolk radar (KAKQ), 116 km from the middle of the area, began a volume at 17:56 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
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 2:11 PM EDT | Tornado Warning | AKQ | City of Chesapeake, City of Virginia Beach | 34 min |
| Jun 27, 2:38 PM EDT | Flash Flood Warning | LWX | Arlington, Fairfax, Loudoun, Prince William, Stafford, City of Alexandria and 4 more | 3 hr |
| Jun 27, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Spotsylvania, Stafford, City of Fredericksburg | 50 min |
| Jun 27, 3:23 PM EDT | Tornado Warning | AKQ | Caroline, Hanover, Henrico, King William | 37 min |
| Jun 27, 3:39 PM EDT | Tornado Warning | LWX | Stafford | 13 min |
| Jun 27, 3:40 PM EDT | Tornado Warning | AKQ | Caroline, Essex | 35 min |
| Jun 27, 3:55 PM EDT | Tornado Warning | AKQ | Essex, King and Queen, King William, Richmond | 35 min |
| Jun 27, 3:59 PM EDT | Tornado Warning | LWX | King George | 31 min |
| Jun 27, 4:06 PM EDT | Flash Flood Warning | LWX | King George, Spotsylvania, Stafford, City of Fredericksburg | 3 hr |
| Jun 27, 4:12 PM EDT | Severe Thunderstorm Warning | AKQ | Caroline, Essex, King and Queen, Richmond, Westmoreland | 48 min |
| Jun 27, 4:15 PM EDT | Severe Thunderstorm Warning | AKQ | Charles City, James City, Prince George, Surry | 45 min |
| Jun 27, 4:27 PM EDT | Tornado Warning | LWX | Charles, Saint Mary's | 33 min |
| Jun 27, 4:42 PM EDT | Severe Thunderstorm Warning | AKQ | Charles City, Gloucester, James City, King and Queen, King William, New Kent | 33 min |
| Jun 27, 4:52 PM EDT | Flash Flood Warning | LWX | Charles, Saint Mary's | 3 hr |
| Jun 27, 4:52 PM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 38 min |
| Jun 27, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 42 min |
| Jun 27, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 47 min |
| Jun 27, 5:59 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 46 min |
| Jun 27, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 47 min |
| Jun 27, 7:42 PM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 4 hr |
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, 5.9 hours before the alert went out and 97 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
- 16 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 629 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 4:39 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 96 min |
| Jun 27, 12:56 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Prince George's, Saint Mary's, Somerset and 1 more | 3 hr |
| Jun 27, 6:23 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 2 hr |
| Jun 26, 8:45 PM EDT | Mesoscale Discussion | SPC | Alexander, Anson, Bladen, Cabarrus, Caldwell, Catawba and 23 more | 60 min |
| Jun 27, 2:06 PM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Anson, Cabarrus, Caswell, Catawba and 23 more | 2 hr |
| Jun 26, 8:05 PM EDT | Mesoscale Discussion | SPC | Bath, Dickenson, Highland, Lee, Russell, Scott and 3 more | 85 min |
| Jun 26, 9:58 PM EDT | Mesoscale Discussion | SPC | Alleghany, Augusta, Bath, Highland, Rockbridge, Rockingham and 4 more | 62 min |
Nearby
Tornado Watches in Virginia, 2015Tornado Watches in Maryland, 2015Tornado Watches in North Carolina, 2015Every tornado watch in 2015
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.