Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 2, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Feb 6, 2008, 7:04 PM EST for Allegany County, Maryland; Mineral County, West Virginia. It was in force for 26 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
- Feb 6, 2008, 7:04 PM EST (00:04 UTC)
- Expired
- Feb 6, 2008, 7:30 PM EST
- In force
- 26 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
Counties Allegany County, MD, Mineral County, WV
The radar
The Sterling radar (KLWX), 130 km from the middle of the area, began a volume at 00:06 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.1 hours before the alert went out and 138 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
- -293 J/kg
- Mixed-layer LCL
- 848 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 448 m²/s²
- 0-3 km storm-relative helicity
- 401 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 Feb 6, 2:46 PM EST, 4 hours 18 minutes earlier.
Area forecast discussion, Feb 6, 2:46 PM EST, 4 hours 18 minutes before
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</html>Hazardous weather outlook, Feb 6, 6:30 PM EST, 34 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 630 PM EST WED FEB 6 2008 ANZ530>537-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 071600- 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- 630 PM EST WED FEB 6 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...TONIGHT GUSTY SHOWERS AND THUNDERSTORMS ARE EXPECTED TONIGHT...WITH THE POTENTIAL FOR SCATTERED AREAS OF DAMAGING WINDS AND AN ISOLATED TORNADO. THE STORMS ARE EXPECTED TO CROSS THE METROPOLITAN AREAS OF WASHINGTON DC AND BALTIMORE... THE TIDAL POTOMAC AND MARYLAND CHESAPEAKE BAY BETWEEN 9 PM AND 2 AM. ON THE WATERS...SMALL CRAFT ADVISORY WILL CONTINUE THROUGH TONIGHT. SPECIAL MARINE WARNINGS WILL BE LIKELY THIS EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SMALL CRAFT ADVISORIES MAY ONCE AGAIN BE NEEDED SATURDAY AND SUNDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. MDZ003>005-009-010-501-502-VAZ021-025>031-036>042-050-051- WVZ050>055-501>504-071600- 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- 630 PM EST WED FEB 6 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 GUSTY SHOWERS AND THUNDERSTORMS ARE EXPECTED TONIGHT...WITH THE POTENTIAL FOR SCATTERED AREAS OF DAMAGING WINDS AND AN ISOLATED TORNADO. THE BEST ESTIMATE ON TIMING IS AS FOLLOWS. WESTERN MARYLAND AND EASTERN WEST VIRGINIA WILL SEE THE STORMS BETWEEN 6 AND 9 PM. THE STORMS WILL MOVE EAST...REACHING NORTHERN VIRGINIA AND WEST CENTRAL MARYLAND BETWEEN 7:30 AND 10 PM. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY UPSLOPE SNOW SHOWERS ARE EXPECTED BEHIND THE COLD FRONT ALONG AND WEST OF THE ALLEGHENY FRONT THURSDAY MORNING. MINOR ACCUMULATIONS OF SNOW WILL BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SKYWARN ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.
In the hours before
Special weather statement, Feb 6, 3:47 PM EST, 3 hours 17 minutes before
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</html>Special weather statement, Feb 6, 4:15 PM EST, 2 hours 49 minutes before
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</html>Special weather statement, Feb 6, 6:25 PM EST, 39 minutes before
SPECIAL WEATHER STATEMENT...UPDATED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 625 PM EST WED FEB 6 2008 DCZ001-MDZ003>007-009>011-013-014-016>018-501-502-VAZ021-025>031- 036>042-050>057-WVZ050>055-501>504-070245- 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-HIGHLAND- AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE- NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN- ORANGE-CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- 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...MARTINSBURG...CHARLES TOWN...BAYARD... PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 625 PM EST WED FEB 6 2008 ...POTENTIAL FOR DAMAGING WIND GUSTS THIS EVENING... THE WEATHER SYSTEM THAT PRODUCED STORM DAMAGE IN ARKANSAS AND TENNESSEE YESTERDAY HAS WEAKENED SOMEWHAT BUT WILL MOVE EAST ACROSS THE REGION. IT WILL MOVE WEST TO EAST ACROSS THE MID ATLANTIC THIS EVENING AND TONIGHT. SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS EVENING THAT MAY PRODUCE DAMAGING WIND GUSTS AND POSSIBLY AN ISOLATED TORNADO ACROSS THE REGION. THE BEST ESTIMATE ON TIMING IS AS FOLLOWS. WESTERN MARYLAND AND EASTERN WEST VIRGINIA WILL SEE THE STORMS BETWEEN 6 AND 9 PM. THE STORMS WILL MOVE EAST...REACHING NORTHERN VIRGINIA AND WEST CENTRAL MARYLAND BETWEEN 7:30 AND 10 PM. THAT WILL BE FOLLOWED BY WASHINGTON AND BALTIMORE BEING IMPACTED BETWEEN 9 PM AND MIDNIGHT. LOWER SOUTHERN MARYLAND...THE LOWER TIDAL POTOMAC BELOW THE 301 BRIDGE... AND THE MARYLAND PORTION OF THE CHESAPEAKE BAY WOULD SEE THIS ACTIVITY BETWEEN 11 PM AND 2 AM. STAY TUNED TO NOAA WEATHER RADIO ALONG WITH YOUR LOCAL TELEVISION AND CABLE STATIONS FOR UPDATED INFORMATION AS THE EVENING PROGRESSES. STRONG/LEE
Special weather statement, Feb 6, 6:55 PM EST, 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 655 PM EST WED FEB 6 2008 MDZ501-502-WVZ501-503-504-070030- WESTERN GRANT WV-CENTRAL AND EASTERN ALLEGANY MD- EXTREME WESTERN ALLEGANY MD-WESTERN MINERAL WV-EASTERN MINERAL WV- 655 PM EST WED FEB 6 2008 ...STRONG THUNDERSTORMS TO AFFECT WESTERN GRANT...ALLEGANY...AND MINERAL COUNTIES... AT 655 PM EST...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST OF FRANKLIN TO 4 MILES NORTHWEST OF BAYARD...MOVING NORTHEAST AT 65 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL...BRIEF HEAVY RAIN... AND WIND GUSTS TO 50 MPH. THE COMMUNITIES OF FROSTBURG...LONACONING...LA VALE...WESTERNPORT... PIEDMONT...CUMBERLAND...RIDGELEY...KEYSER AND FORT ASHBY WILL BE AFFECTED BY THESE STORMS. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. HTS
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 10:35 PM EST | Special Marine Warning | LWX | 115 min | |
| Feb 6, 10:39 PM EST | Special Marine Warning | LWX | 2 hr | |
| Feb 6, 11:23 PM EST | Special Marine Warning | LWX | 99 min | |
| Feb 6, 9:17 PM EST | Severe Thunderstorm Warning | LWX | Washington | 43 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2008Severe Thunderstorm Warnings in West 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.