Alert archive / West Virginia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 1, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Feb 12, 2017, 9:00 PM EST for Frederick County, Virginia; Allegany County, Washington County, Maryland; 6 counties in West Virginia. It was in force for 45 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 12, 2017, 9:00 PM EST (02:00 UTC)
- Expired
- Feb 12, 2017, 9:45 PM EST
- In force
- 45 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Allegany County, MD, Washington County, MD, Frederick County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Mineral County, WV, Morgan County, WV
The radar
The Sterling radar (KLWX), 99 km from the middle of the area, began a volume at 02:04 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.
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 12, 8:42 PM EST, 18 minutes earlier.
Area forecast discussion, Feb 12, 8:42 PM EST, 18 minutes before
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Local storm report, Feb 12, 8:01 PM EST, 59 minutes before
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</html>Special weather statement, Feb 12, 8:44 PM EST, 16 minutes before
Special Weather Statement
National Weather Service Baltimore MD/Washington DC
844 PM EST SUN FEB 12 2017
MDZ003>005-501-502-VAZ028-WVZ050>053-055-501>506-130345-
Central and Eastern Allegany-Carroll-Frederick-Extreme Western
Allegany-Washington-Frederick-Hardy-Eastern Mineral-Western
Pendleton-Western Grant-Berkeley-Hampshire-Jefferson-Western
Mineral-Morgan-Eastern Pendleton-Eastern Grant-
844 PM EST SUN FEB 12 2017
...STRONG WIND GUSTS APPROACHING THE POTOMAC HIGHLANDS...
A line of showers marking the leading edge of strong, gusty winds
are approaching the Potomac Highlands. These winds, with gusts up to
50 mph, will reach Allegany County by 9:30 pm, and a line from
Frederick Maryland to Winchester Virginia to Petersburg West
Virginia by 10:30 pm.
The onset of 50 mph wind gusts from the northwest will be sudden.
These winds will be capable of snapping tree limbs resulting in
a few blocked roads and power outages.
Monitor NOAA Weather Radio or local media for the latest weather
observations and any possible warnings.
LAT...LON 3904 7851 3906 7854 3902 7856 3885 7900
3871 7925 3889 7948 3893 7945 3892 7938
3899 7933 3907 7930 3909 7936 3921 7931
3922 7933 3919 7949 3921 7949 3943 7911
3972 7893 3972 7694
TIME...MOT...LOC 0138Z 319DEG 33KT 4056 7837 3968 8040
HTSThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 8:44 PM EST | Special Weather Statement | LWX | Frederick | 2 hr |
| Feb 12, 9:32 PM EST | Severe Thunderstorm Warning | LWX | Frederick | 43 min |
| Feb 12, 9:49 PM EST | Special Weather Statement | LWX | Arlington, Clarke, Fairfax, Frederick, Loudoun, Prince William and 7 more | 116 min |
| Feb 12, 10:01 PM EST | Severe Thunderstorm Warning | LWX | Clarke, Fauquier, Frederick, Loudoun, Shenandoah, Warren and 1 more | 44 min |
| Feb 12, 10:29 PM EST | Severe Thunderstorm Warning | LWX | Loudoun | 61 min |
| Feb 12, 10:38 PM EST | Severe Thunderstorm Warning | LWX | Clarke, Fairfax, Loudoun | 38 min |
| Feb 12, 11:02 PM EST | Severe Thunderstorm Warning | LWX | Arlington, Fairfax, Loudoun, Prince William, City of Alexandria, City of Fairfax and 1 more | 43 min |
| Feb 12, 11:45 PM EST | Gale Warning | LWX | 17 hr | |
| Feb 13, 3:31 AM EST | Small Craft Advisory | LWX | 18 hr |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2017Severe Thunderstorm Warnings in Maryland, 2017Severe Thunderstorm Warnings in Virginia, 2017Every severe thunderstorm warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.