Alert archive / Virginia / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 695
The Storm Prediction Center issued this severe thunderstorm watch at Jul 9, 2003, 11:50 AM EDT for 13 counties in Maryland; 75 counties in Virginia; 26 counties in West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2003, 11:50 AM EDT (15:50 UTC)
- Expired
- Jul 9, 2003, 6:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 114 counties
Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, Cecil County, MD, City of Baltimore, MD, Frederick County, MD, Garrett County, MD, Harford County, MD, Howard County, MD, Montgomery County, MD, Prince George's County, MD, Washington County, MD, Albemarle County, VA, Alleghany County, VA, Amherst County, VA, Appomattox County, VA, Arlington County, VA, Augusta County, VA, Bath County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Buchanan County, VA, Buckingham County, VA, Campbell County, VA, Carroll County, VA, City of Alexandria, VA, City of Buena Vista, VA, City of Charlottesville, VA, City of Covington, VA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, VA, City of Galax, VA, City of Harrisonburg, VA, City of Lexington, VA, City of Lynchburg, VA, City of Manassas, VA, City of Manassas Park, VA, City of Martinsville, VA, City of Norton, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Craig County, VA, Culpeper County, VA, Dickenson County, VA, Fairfax County, VA, Fauquier County, VA, Floyd County, VA, Fluvanna County, VA, Franklin County, VA, Frederick County, VA, Giles County, VA, Grayson County, VA, Greene County, VA, Highland County, VA, Lee County, VA, Loudoun County, VA, Louisa County, VA, Madison County, VA, Montgomery County, VA, Nelson County, VA, Orange County, VA, Page County, VA, Patrick County, VA, Prince William County, VA, Pulaski County, VA, Rappahannock County, VA, Roanoke County, VA, Rockbridge County, VA, Rockingham County, VA, Russell County, VA, Scott County, VA, Shenandoah County, VA, Smyth County, VA, Spotsylvania County, VA, Stafford County, VA, Tazewell County, VA, Warren County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Barbour County, WV, Berkeley County, WV, Braxton County, WV, Clay County, WV, Fayette County, WV, Grant County, WV, Greenbrier County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, McDowell County, WV, Mercer County, WV, Mineral County, WV, Monroe County, WV, Morgan County, WV, Nicholas County, WV, Pendleton County, WV, Pocahontas County, WV, Preston County, WV, Raleigh County, WV, Randolph County, WV, Summers County, WV, Tucker County, WV, Upshur County, WV, Webster County, WV, Wyoming County, WV
The radar
The Roanoke radar (KFCX), 93 km from the middle of the area, began a volume at 15:49 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.
Warnings issued inside it
51 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 12:09 PM EDT | Severe Thunderstorm Warning | LWX | Mineral | 36 min |
| Jul 9, 12:12 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Raleigh | 33 min |
| Jul 9, 12:19 PM EDT | Severe Thunderstorm Warning | LWX | Hampshire | 56 min |
| Jul 9, 12:29 PM EDT | Severe Thunderstorm Warning | RLX | Wyoming | 46 min |
| Jul 9, 12:45 PM EDT | Severe Thunderstorm Warning | RLX | Fayette, Raleigh | 45 min |
| Jul 9, 12:47 PM EDT | Severe Thunderstorm Warning | RNK | Mercer, Summers | 58 min |
| Jul 9, 12:53 PM EDT | Severe Thunderstorm Warning | RLX | Buchanan | 52 min |
| Jul 9, 12:55 PM EDT | Severe Thunderstorm Warning | RNK | Greenbrier | 65 min |
| Jul 9, 1:04 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, City of Winchester | 56 min |
| Jul 9, 1:06 PM EDT | Severe Thunderstorm Warning | RLX | Dickenson | 39 min |
| Jul 9, 1:17 PM EDT | Severe Thunderstorm Warning | RNK | Monroe | 43 min |
| Jul 9, 1:31 PM EDT | Severe Thunderstorm Warning | RNK | Tazewell | 44 min |
| Jul 9, 1:32 PM EDT | Severe Thunderstorm Warning | LWX | Clarke | 58 min |
| Jul 9, 1:36 PM EDT | Severe Thunderstorm Warning | RLX | Pocahontas | 24 min |
| Jul 9, 1:37 PM EDT | Severe Thunderstorm Warning | LWX | Clarke | 53 min |
| Jul 9, 1:40 PM EDT | Tornado Warning | LWX | Jefferson | 50 min |
| Jul 9, 1:41 PM EDT | Severe Thunderstorm Warning | MRX | Wise, City of Norton | 49 min |
| Jul 9, 1:45 PM EDT | Severe Thunderstorm Warning | RNK | Bland, Giles | 45 min |
| Jul 9, 1:55 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Craig, City of Covington | 50 min |
| Jul 9, 2:01 PM EDT | Severe Thunderstorm Warning | MRX | Russell | 59 min |
| Jul 9, 2:01 PM EDT | Severe Thunderstorm Warning | RNK | Monroe | 14 min |
| Jul 9, 2:05 PM EDT | Severe Thunderstorm Warning | RNK | Bath | 40 min |
| Jul 9, 2:06 PM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Jul 9, 2:09 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 66 min |
| Jul 9, 2:11 PM EDT | Severe Thunderstorm Warning | RNK | Bedford | 34 min |
| Jul 9, 2:18 PM EDT | Tornado Warning | LWX | Loudoun | 57 min |
| Jul 9, 2:20 PM EDT | Severe Thunderstorm Warning | RNK | Montgomery, Pulaski, City of Radford | 40 min |
| Jul 9, 2:22 PM EDT | Severe Thunderstorm Warning | RNK | Wythe | 68 min |
| Jul 9, 2:24 PM EDT | Severe Thunderstorm Warning | RNK | Botetourt, Rockbridge, City of Covington, City of Lexington | 51 min |
| Jul 9, 2:27 PM EDT | Severe Thunderstorm Warning | RNK | Roanoke, City of Roanoke, City of Salem | 48 min |
| Jul 9, 2:35 PM EDT | Severe Thunderstorm Warning | MRX | Washington | 55 min |
| Jul 9, 2:37 PM EDT | Severe Thunderstorm Warning | LWX | Page, Rockingham, Shenandoah | 38 min |
| Jul 9, 2:41 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, City of Winchester | 49 min |
| Jul 9, 2:41 PM EDT | Severe Thunderstorm Warning | LWX | Augusta, City of Staunton, City of Waynesboro | 64 min |
| Jul 9, 2:48 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford | 42 min |
| Jul 9, 2:58 PM EDT | Severe Thunderstorm Warning | RNK | Franklin | 47 min |
| Jul 9, 2:59 PM EDT | Tornado Warning | LWX | Fairfax, City of Fairfax, City of Falls Church | 61 min |
| Jul 9, 3:13 PM EDT | Severe Thunderstorm Warning | RNK | Rockbridge, City of Buena Vista, City of Lexington | 17 min |
| Jul 9, 3:17 PM EDT | Severe Thunderstorm Warning | RNK | Grayson | 28 min |
| Jul 9, 3:18 PM EDT | Severe Thunderstorm Warning | RNK | Appomattox, Campbell, City of Lynchburg | 57 min |
| Jul 9, 3:27 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, City of Lynchburg | 33 min |
| Jul 9, 3:31 PM EDT | Severe Thunderstorm Warning | RNK | Carroll, Patrick | 44 min |
| Jul 9, 3:33 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Nelson, City of Charlottesville | 57 min |
| Jul 9, 3:47 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Loudoun | 58 min |
| Jul 9, 3:47 PM EDT | Severe Thunderstorm Warning | RNK | Buckingham | 58 min |
| Jul 9, 3:58 PM EDT | Severe Thunderstorm Warning | RNK | Amherst | 17 min |
| Jul 9, 4:08 PM EDT | Severe Thunderstorm Warning | LWX | Prince William | 67 min |
| Jul 9, 4:20 PM EDT | Severe Thunderstorm Warning | LWX | Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church | 70 min |
| Jul 9, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | City of Manassas, City of Manassas Park | 45 min |
| Jul 9, 4:36 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 69 min |
| Jul 9, 4:53 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 67 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
Roanoke, VA (KRNK), launched 12:00Z, 3.8 hours before the alert went out and 105 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
- 1142 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 72 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 |
|---|---|---|---|---|
| Jul 8, 8:12 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more | 93 min |
| Jul 8, 8:30 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Frederick, Garrett, Washington | 4 hr |
| Jul 8, 11:16 PM EDT | Mesoscale Discussion | SPC | Allegany | 119 min |
| Jul 9, 10:28 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 9 more | 92 min |
| Jul 9, 12:09 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Charles, Dorchester, Kent, Queen Anne's and 5 more | 96 min |
| Jul 9, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 8 more | 8 hr |
| Jul 9, 2:47 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Harford and 4 more | 88 min |
| Jul 9, 3:48 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more | 117 min |
| Jul 9, 7:36 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 8 more | 114 min |
| Jul 9, 12:55 PM EDT | Mesoscale Discussion | SPC | Wise | 3 hr |
Nearby
Severe Thunderstorm Watches in Virginia, 2003Severe Thunderstorm Watches in West Virginia, 2003Severe Thunderstorm Watches in Maryland, 2003Every severe thunderstorm watch in 2003
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.