Alert archive / Virginia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 192, NWS Baltimore/Washington

June 22, 2008Albemarle County, Nelson County, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 22, 2008, 2:33 PM EDT for Albemarle County, Nelson County, Virginia. It was in force for 23 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 22, 2008, 2:33 PM EDT (18:33 UTC)
Expired
Jun 22, 2008, 2:56 PM EDT
In force
23 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon

Counties Albemarle County, VA, Nelson County, VA

The radar

The Sterling radar (KLWX), 160 km from the middle of the area, began a volume at 18:34 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 22, 1:15 PM EDTSevere Thunderstorm WatchSPC11 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.6 hours before the alert went out and 104 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.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2008-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 413 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2008-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
413 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1021 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 22, 1:27 PM EDT, 1 hour 6 minutes earlier.

Area forecast discussion, Jun 22, 1:27 PM EDT, 1 hour 6 minutes before
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Hazardous weather outlook, Jun 22, 1:38 PM EDT, 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
138 PM EDT SUN JUN 22 2008

ANZ530>537-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057-
231000-
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-
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-
820 PM EDT SUN JUN 22 2008

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...THIS AFTERNOON AND TONIGHT

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE WASHINGTON AND
BALTIMORE METRO AREAS...INCLUDING THE TIDAL POTOMAC RIVER AND
MARYLAND CHESAPEAKE BAY UNTIL 10 PM. SEVERE THUNDERSTORMS ARE
EXPECTED THIS EVENING AHEAD OF AN APPROACHING COLD FRONT. THE MOST
LIKELY TIME FOR SEVERE WEATHER IS THROUGH 10 PM. LARGE HAIL AND
DAMAGING WINDS ARE THE PRIMARY THREATS FROM THIS ACTIVITY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE COLD FRONT IS EXPECTED TO PRESS THROUGH THE REGION TOMORROW
EVENING...SUPPORTING A SECOND OPPORTUNITY FOR SEVERE THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN HAS BEEN ACTIVATED. PLEASE RELAY REPORTS OF SEVERE
WEATHER...INCLUDING DAMAGING WINDS AND LARGE HAIL...TO THE
NATIONAL WEATHER SERVICE.

MDZ003>005-009-010-501-502-VAZ021-025>031-036>042-050-051-
WVZ050>055-501>504-231000-
WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND-
AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-
NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN-
ORANGE-CULPEPER-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-
HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
138 PM EDT SUN JUN 22 2008

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...TONIGHT

A SEVERE THUNDERSTORM WATCH ALONG AND EAST OF THE BLUE RIDGE UNTIL
10 PM. SEVERE THUNDERSTORMS ARE EXPECTED THROUGH THIS EVENING AHEAD
OF AN APPROACHING COLD FRONT. LARGE HAIL AND DAMAGING WINDS ARE THE
PRIMARY THREATS FROM THIS ACTIVITY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE COLD FRONT IS EXPECTED TO PRESS THROUGH THE REGION TOMORROW
EVENING...SUPPORTING A SECOND OPPORTUNITY FOR SEVERE THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN HAS BEEN ACTIVATED. PLEASE RELAY REPORTS OF SEVERE
WEATHER...INCLUDING DAMAGING WINDS AND LARGE HAIL...TO THE
NATIONAL WEATHER SERVICE.

In the hours before

Special weather statement, Jun 22, 1:27 PM EDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 PM EDT SUN JUN 22 2008

VAZ025-036-037-221800-
NELSON VA-ALBEMARLE VA-AUGUSTA VA-
127 PM EDT SUN JUN 22 2008

...STRONG THUNDERSTORMS TO AFFECT NELSON...ALBEMARLE AND AUGUSTA
COUNTIES...

AT 127 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES
NORTHWEST OF GREENFIELD...MOVING EAST AT 6 MPH.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH.

THE COMMUNITIES OF AFTON AND BATESVILLE WILL BE AFFECTED BY THIS STORM.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE
ISSUED.

PELOQUIN
Special weather statement, Jun 22, 2:11 PM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
211 PM EDT SUN JUN 22 2008

VAZ036-037-221900-
NELSON VA-ALBEMARLE VA-
211 PM EDT SUN JUN 22 2008

...STRONG THUNDERSTORMS TO AFFECT NELSON AND ALBEMARLE COUNTIES...

AT 211 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES
SOUTHWEST OF BATESVILLE...MOVING NORTHEAST AT 19 MPH.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH.

THE COMMUNITIES OF CROZET AND FREE UNION WILL BE AFFECTED BY THIS
STORM.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE
ISSUED.

PELOQUIN

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 8:06 PM EDTSevere Thunderstorm WarningLWXCulpeper, Fauquier, Prince William39 min
Jun 21, 8:42 PM EDTSevere Thunderstorm WarningLWXFairfax, Fauquier, Loudoun, Prince William, City of Manassas, City of Manassas Park48 min
Jun 21, 9:03 PM EDTSevere Thunderstorm WarningLWXArlington, Fairfax, Prince William, City of Alexandria, City of Fairfax, City of Falls Church and 2 more35 min
Jun 21, 9:08 PM EDTSpecial Marine WarningLWX41 min
Jun 22, 1:09 AM EDTSevere Thunderstorm WarningLWXAlbemarle, Augusta, Nelson, Rockingham, City of Waynesboro37 min
Jun 22, 2:25 PM EDTSevere Thunderstorm WarningLWXAlbemarle, City of Charlottesville50 min
Jun 22, 3:19 PM EDTSevere Thunderstorm WarningLWXRockingham41 min
Jun 22, 3:48 PM EDTSevere Thunderstorm WarningLWXHighland17 min
Jun 22, 3:55 PM EDTSevere Thunderstorm WarningLWXAlbemarle26 min
Jun 22, 4:30 PM EDTSevere Thunderstorm WarningLWXPage, Rockingham, Shenandoah45 min
Jun 22, 5:04 PM EDTSpecial Marine WarningLWX72 min
Jun 22, 5:06 PM EDTSevere Thunderstorm WarningLWXCulpeper, Madison, Page, Rappahannock, Rockingham, Shenandoah54 min
Jun 22, 5:59 PM EDTSpecial Marine WarningLWX2 hr
Jun 22, 6:17 PM EDTSevere Thunderstorm WarningLWXKing George43 min
Jun 22, 6:26 PM EDTSevere Thunderstorm WarningLWXCulpeper, Madison, Rappahannock49 min
Jun 22, 6:42 PM EDTSpecial Marine WarningLWX76 min
Jun 22, 7:19 PM EDTSpecial Marine WarningLWX72 min
Jun 22, 7:24 PM EDTSevere Thunderstorm WarningLWXCulpeper, Fauquier66 min
Jun 22, 7:27 PM EDTSpecial Marine WarningLWX93 min
Jun 22, 7:28 PM EDTSevere Thunderstorm WarningLWXFairfax, Prince William, Stafford, City of Fairfax, City of Manassas, City of Manassas Park47 min
Jun 22, 7:41 PM EDTSevere Thunderstorm WarningLWXFauquier, Prince William, Stafford49 min
Jun 22, 7:45 PM EDTSpecial Marine WarningLWX93 min
Jun 22, 4:55 PM EDTSevere Thunderstorm WarningLWXAllegany50 min
Jun 22, 6:45 PM EDTSevere Thunderstorm WarningLWXCalvert28 min
Jun 22, 7:07 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's53 min
Jun 22, 7:30 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert32 min
Jun 22, 3:51 PM EDTSevere Thunderstorm WarningLWXGrant, Hampshire, Hardy39 min
Jun 22, 4:32 PM EDTSevere Thunderstorm WarningLWXHampshire, Mineral38 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2008Every severe thunderstorm warning in 2008

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.