Alert archive / Virginia / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 62, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 11, 2014, 2:44 PM EDT for Nelson County, Virginia. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 11, 2014, 2:44 PM EDT (18:44 UTC)
- Expired
- Jun 11, 2014, 3:30 PM EDT
- In force
- 46 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
County Nelson County, VA
The radar
The Roanoke radar (KFCX), 149 km from the middle of the area, began a volume at 18:47 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
Roanoke, VA (KRNK), launched 12:00Z, 6.7 hours before the alert went out and 85 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
- 34 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 1084 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 10:26 AM EDT, 4 hours 18 minutes earlier.
Area forecast discussion, Jun 11, 10:26 AM EDT, 4 hours 18 minutes before
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</html>Hazardous weather outlook, Jun 11, 9:41 AM EDT, 5 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 941 AM EDT WED JUN 11 2014 ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 121000- CHESAPEAKE BAY NORTH OF POOLES ISLAND MD- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD- CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA- TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD- TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA- PATAPSCO RIVER INCLUDING BALTIMORE HARBOR- CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY- CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER- PATUXENT RIVER TO BROOMES ISLAND MD- TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-DISTRICT OF COLUMBIA-NORTHERN BALTIMORE-HARFORD- SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS- CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- 941 AM EDT WED JUN 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF COLUMBIA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE LIKELY THIS AFTERNOON AND EVENING. STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS...LARGE HAIL AND THE THREAT FOR ISOLATED TORNADOES. THUNDERSTORMS WILL ALSO CONTAIN HEAVY DOWNPOURS THAT MAY LEAD TO LOCALIZED FLASH FLOODING. AN ONSHORE FLOW MAY LEAD TO MINOR TIDAL FLOODING NEAR HIGH TIDE LATE TONIGHT ALONG THE WESTERN SHORE OF THE MARYLAND CHESAPEAKE BAY AND ALONG THE SHORE OF THE UPPER TIDAL POTOMAC RIVER. A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE MARYLAND CHESAPEAKE BAY AND LOWER TIDAL POTOMAC RIVER THROUGH THIS EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY MINOR TIDAL FLOODING IS POSSIBLE NEAR HIGH TIDE THURSDAY MORNING ALONG THE WESTERN SHORE OF THE MARYLAND CHESAPEAKE BAY AND ALONG THE SHORE OF THE UPPER TIDAL POTOMAC RIVER. THUNDERSTORMS LIKELY THURSDAY AFTERNOON AND EVENING. SOME STORMS WILL BE CAPABLE OF PRODUCING LOCALLY DAMAGING WIND GUSTS AND HEAVY DOWNPOURS THAT COULD LEAD TO LOCALIZED FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504- WVZ050>053-055-501>506-121000- WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON- ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER- NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND- EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- WESTERN PENDLETON-EASTERN PENDLETON- 941 AM EDT WED JUN 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA... NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND WITH THE EXCEPTION OF GARRETT COUNTY. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE LIKELY THIS AFTERNOON AND EVENING. STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS...LARGE HAIL AND THE THREAT FOR ISOLATED TORNADOES. THUNDERSTORMS WILL ALSO CONTAIN HEAVY DOWNPOURS THAT MAY LEAD TO LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS LIKELY THURSDAY AFTERNOON AND EVENING. SOME STORMS WILL BE CAPABLE OF PRODUCING LOCALLY DAMAGING WIND GUSTS AND HEAVY DOWNPOURS THAT COULD LEAD TO LOCALIZED FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING.
In the hours before
Special weather statement, Jun 11, 2:36 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 236 PM EDT WED JUN 11 2014 ANZ530>534-536>543-DCZ001-MDZ003>007-009>011-013-014-016>018-501- 502-VAZ025>031-036>040-042-050>057-501>504-WVZ050>053-055-501>506- 120045- CHESAPEAKE BAY NORTH OF POOLES ISLAND MD- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD- CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD- TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA- PATAPSCO RIVER INCLUDING BALTIMORE HARBOR- CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY- CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER- PATUXENT RIVER TO BROOMES ISLAND MD- TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON- ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE-NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND- EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... WALDORF...ST MARYS CITY...FROSTBURG...CUMBERLAND...STAUNTON... WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL... CHARLOTTESVILLE...LEESBURG...CULPEPER...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... FREDERICKSBURG...WARRENTON...HIGHTOWN...MONTEREY...MARTINSBURG... CHARLES TOWN...MOOREFIELD...BAYARD...MOUNT STORM...PETERSBURG... ELK GARDEN...KEYSER...FORT ASHBY...CIRCLEVILLE...FRANKLIN 236 PM EDT WED JUN 11 2014 ...SEVERE THUNDERSTORMS LIKELY THIS AFTERNOON AND EVENING ALONG WITH THE POTENTIAL FOR ISOLATED TORNADOES... WITH TEMPERATURES REACHING THE MID-TO-UPPER 80S WITHIN AND SOUTH OF THE WASHINGTON DC METROPOLITAN AREA...THE REGION IS UNDER THE THREAT OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. SOME OF THESE STORMS WILL LIKELY CONTAIN DAMAGING WIND...FREQUENT CLOUD- TO-GROUND LIGHTNING... AND LARGE HAIL. ADDITIONALLY...TORNADOES ARE POSSIBLE IN A FEW OF THE STRONGEST THUNDERSTORMS. THE MOST LIKELY TIME FOR SEVERE WEATHER IS BETWEEN 400 PM AND 800 PM EDT. THE AREA MOST VULNERABLE FOR SEVERE WEATHER IS NORTH OF INTERSTATE 64 ACROSS VIRGINIA'S NORTH-CENTRAL PIEDMONT AND WEST OF INTERSTATE 95 SOUTH OF THE CITY OF BALTIMORE MARYLAND TO FREDERICKSBURG VIRGINIA. THIS INCLUDES THE GREATER WASHINGTON DC AND BALTIMORE METROPOLITAN AREAS...HAGERSTOWN MARYLAND...THE NORTHERN AND CENTRAL SHENANDOAH VALLEY...AND CHARLOTTESVILLE VIRGINIA. RESIDENTS AND VISITORS TO THIS REGION...ALONG WITH MARINERS ON THE CHESAPEAKE BAY AND TIDAL POTOMAC RIVER...SHOULD HAVE AN INCREASED AWARENESS OF THE THREAT OF HAZARDOUS WEATHER THIS AFTERNOON AND EVENING. IF A SEVERE WEATHER WARNING IS ISSUED...SEEK SHELTER INDOORS IMMEDIATELY...PREFERABLY IN A BASEMENT OR THE LOWEST LEVEL OF A STURDY BUILDING. IF YOU ARE IN A BOAT...SEEK SAFE HARBOR IMMEDIATELY. LEE
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 12:48 AM EDT | Severe Thunderstorm Warning | LWX | Augusta, City of Staunton, City of Waynesboro | 42 min |
| Jun 11, 1:41 AM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Augusta, Nelson | 49 min |
| Jun 11, 1:52 AM EDT | Tornado Warning | LWX | Nelson | 23 min |
| Jun 11, 4:34 AM EDT | Special Marine Warning | LWX | 116 min | |
| Jun 11, 6:38 AM EDT | Special Marine Warning | LWX | 82 min | |
| Jun 11, 10:03 AM EDT | Small Craft Advisory | LWX | 13 hr | |
| Jun 11, 3:06 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Nelson | 39 min |
| Jun 11, 3:18 PM EDT | Tornado Warning | LWX | Albemarle, Nelson | 27 min |
| Jun 11, 3:41 PM EDT | Severe Thunderstorm Warning | LWX | Nelson | 36 min |
| Jun 11, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Augusta, City of Staunton | 33 min |
| Jun 11, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | Spotsylvania | 49 min |
| Jun 11, 4:49 PM EDT | Severe Thunderstorm Warning | LWX | Rockingham | 18 min |
| Jun 11, 4:59 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Orange, Spotsylvania, Stafford, City of Fredericksburg | 31 min |
| Jun 11, 5:54 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Prince William | 23 min |
| Jun 11, 6:19 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 41 min |
| Jun 11, 6:29 PM EDT | Tornado Warning | LWX | Frederick | 36 min |
| Jun 11, 6:58 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 36 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2014Every severe thunderstorm warning in 2014
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.