Alert archive / West Virginia / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 242, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Aug 27, 2003, 11:05 AM EDT for Allegany County, Maryland; Hampshire County, Mineral County, West Virginia. It was in force for 40 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
- Aug 27, 2003, 11:05 AM EDT (15:05 UTC)
- Expired
- Aug 27, 2003, 11:45 AM EDT
- In force
- 40 min
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
Counties Allegany County, MD, Hampshire County, WV, Mineral County, WV
The radar
The Sterling radar (KLWX), 121 km from the middle of the area, began a volume at 15:08 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 27, 10:35 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 3.1 hours before the alert went out and 129 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
- 483 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1264 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 71 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 Aug 27, 10:20 AM EDT, 45 minutes earlier.
Area forecast discussion, Aug 27, 10:20 AM EDT, 45 minutes before
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</html>Hazardous weather outlook, Aug 27, 4:25 AM EDT, 6 hours 40 minutes before
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-271700- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 425 AM EDT WED AUG 27 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...THE DISTRICT OF COLUMBIA...NORTHERN VIRGINIA...THE NORTHERN AND CENTRAL SHENANDOAH VALLEY...AND THE EASTERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...TODAY AGAIN TODAY...SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO AFFECT THE AREA. THE ATMOSPHERE WILL BECOME VERY UNSTABLE THIS AFTERNOON...AND WITH VERY STRONG WINDS ALOFT...SOME OF THESE THUNDERSTORMS MAY BE SEVERE. ISOLATED SEVERE WEATHER IS POSSIBLE OVER THE ENTIRE AREA TODAY. STRONG DAMAGING WINDS WILL BE THE PRIMARY RISK FROM SEVERE THUNDERSTORMS TODAY...BUT LARGE HAIL IS ALSO POSSIBLE. THE MOST LIKELY TIME FOR SEVERE WEATHER TODAY WILL BE BETWEEN 1 PM AND 8 PM. .DAYS TWO THROUGH SEVEN... THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS FRIDAY THROUGH SUNDAY ACROSS THE AREA. SOME OF THESE THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED BY AFTERNOON. MANNING
In the hours before
Special weather statement, Aug 27, 7:40 AM EDT, 3 hours 25 minutes before
WVZ049-271230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 740 AM EDT WED AUG 27 2003 ...STRONG THUNDERSTORM MOVING INTO MINERAL COUNTY... AT 740 AM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES SOUTHWEST OF LUKE...MOVING SOUTHEAST AT 40 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. THE COMMUNITIES OF KEYSER AND PIEDMONT WILL BE AFFECTED BY THIS STORM THROUGH 830 AM EDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. MANNING
Local storm report, Aug 27, 7:52 AM EDT, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
752 AM EDT WED AUG 27 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1220 AM LAHMANSVILLE WV WIND DAMAGE
08/27/03 GRANT TREES DOWNED. EOC REPORT.Special weather statement, Aug 27, 8:04 AM EDT, 3 hours 1 minute before
WVZ050-055-271300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 804 AM EDT WED AUG 27 2003 ...STRONG THUNDERSTORMS APPROACHING HARDY AND HAMPSHIRE COUNTIES... AT 804 AM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES NORTH OF PURGITSVILLE TO 6 MILES WEST OF PURGITSVILLE TO 15 MILES WEST OF PURGITSVILLE...MOVING SOUTHEAST AT 40 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH. THE COMMUNITIES OF MOOREFIELD AND ROMNEY WILL BE AFFECTED BY THESE STORMS THROUGH 900 AM EDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. MANNING
Local storm report, Aug 27, 8:30 AM EDT, 2 hours 35 minutes before
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</html>Special weather statement, Aug 27, 10:34 AM EDT, 31 minutes before
MDZ002-WVZ049-050-271530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1034 AM EDT WED AUG 27 2003 AT 1030 AM EDT...DOPPLER RADAR IN STERLING INDICATED A LINE OF STRONG THUNDERSTORMS MOVING THROUGH GARRETT COUNTY IN WESTERN MARYLAND. THE LINE EXTENDED FROM MCHENRY TO GRANTSVILLE MARYLAND. THIS LINE OF STORMS IS MOVING SOUTHEAST AT 45 MPH. THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH. THE COMMUNITIES OF FROSTBURG...LONACONING...WESTERNPORT...FORT ASHBY AND PIEDMONT AND LOCATIONS IN WESTERN HAMPSHIRE COUNTY WILL BE AFFECTED BY THIS STORM THROUGH 1130 AM EDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. SMZ
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 12:19 AM EDT | Severe Thunderstorm Warning | LWX | Shenandoah | 41 min |
| Aug 27, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Shenandoah, Warren | 50 min |
| Aug 27, 5:56 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier | 64 min |
| Aug 27, 6:46 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, Loudoun | 44 min |
| Aug 27, 6:50 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier | 55 min |
| Aug 27, 7:17 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper | 43 min |
| Aug 27, 7:24 PM EDT | Special Marine Warning | LWX | 66 min | |
| Aug 27, 7:24 PM EDT | Special Marine Warning | LWX | 66 min | |
| Aug 27, 7:24 PM EDT | Special Marine Warning | LWX | 51 min | |
| Aug 27, 7:52 PM EDT | Special Marine Warning | LWX | 83 min | |
| Aug 26, 11:11 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 49 min |
| Aug 27, 4:03 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 42 min |
| Aug 27, 6:31 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 29 min |
| Aug 27, 7:01 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 44 min |
| Aug 27, 7:09 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 51 min |
| Aug 26, 11:26 PM EDT | Severe Thunderstorm Warning | LWX | Grant | 64 min |
| Aug 26, 11:52 PM EDT | Severe Thunderstorm Warning | LWX | Hardy | 38 min |
| Aug 27, 7:50 AM EDT | Severe Thunderstorm Warning | LWX | Grant, Mineral | 40 min |
| Aug 27, 9:54 AM EDT | Severe Thunderstorm Warning | LWX | Grant | 66 min |
| Aug 27, 4:39 PM EDT | Severe Thunderstorm Warning | LWX | Hampshire | 36 min |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2003Severe Thunderstorm Warnings in Maryland, 2003Every severe thunderstorm warning 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.