Alert archive / West Virginia / Flood Watches in 2021
Flood Watch 1, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flood watch at Feb 27, 2021, 4:23 AM EST for Highland County, Virginia; Allegany County, Maryland; 5 counties in West Virginia. It took effect at Feb 28, 2021, 4:00 AM EST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Feb 27, 2021, 4:23 AM EST (09:23 UTC)
- In effect from
- Feb 28, 2021, 4:00 AM EST
- Expired
- Mar 1, 2021, 3:52 AM EST
- In force
- 24 hr
- Issued by
- NWS Baltimore/Washington
- Flood severity
- None
Counties Allegany County, MD, Highland County, VA, Grant County, WV, Hampshire County, WV, Hardy County, WV, Mineral County, WV, Pendleton County, WV
The radar
The Sterling radar (KLWX), 134 km from the middle of the area, began a volume at 09:25 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
Pittsburgh, PA (KPIT), launched 00:00Z, 9.4 hours before the alert went out and 174 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1798 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 418 m²/s²
- 0-3 km storm-relative helicity
- 511 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Feb 27, 4:01 AM EST, 22 minutes earlier.
Area forecast discussion, Feb 27, 4:01 AM EST, 22 minutes before
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</html>Hazardous weather outlook, Feb 26, 5:17 PM EST, 11 hours 6 minutes before
Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 517 PM EST Fri Feb 26 2021 ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508- VAZ052>057-272230- 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-Cecil-Southern Baltimore- Prince Georges-Anne Arundel-Charles-St. Marys-Calvert- Central and Southeast Montgomery-Central and Southeast Howard- Southeast Harford-Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-Spotsylvania- King George- 517 PM EST Fri Feb 26 2021 This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and I-95 corridor through central Maryland, northern Virginia, and District of Columbia. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday There is the potential for gale-force winds across the area waters late Monday into early Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508- WVZ050>053-055-272230- Washington-Frederick MD-Carroll-Northern Baltimore- Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta- Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson- Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper- Northern Fauquier-Southern Fauquier-Western Loudoun- Eastern Loudoun-Northern Virginia Blue Ridge- Central Virginia Blue Ridge-Hampshire-Morgan-Berkeley-Jefferson- Hardy- 517 PM EST Fri Feb 26 2021 This Hazardous Weather Outlook is for portions of eastern West Virginia, northern and central Virginia, and central and western Maryland. .DAY ONE...Tonight A Winter Weather Advisory is in effect tonight for the central Shenandoah Valley and Blue Ridge Mountains. Elsewhere, some light accumulations of snow or freezing rain could occur tonight in the Allegheny and Potomac Highlands as well as portions of eastern West Virginia, extreme northern Virginia, and north- central Maryland. .DAYS TWO THROUGH SEVEN...Saturday through Thursday There is an isolated threat for flooding of small streams and creeks as well as urban areas late Saturday night through Sunday. A few instances of mainstem river flooding are also possible into early next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MDZ001-501-502-VAZ503-504-WVZ501>506-272230- Garrett-Extreme Western Allegany-Central and Eastern Allegany- Western Highland-Eastern Highland-Western Grant-Eastern Grant- Western Mineral-Eastern Mineral-Western Pendleton- Eastern Pendleton- 517 PM EST Fri Feb 26 2021 This Hazardous Weather Outlook is for the Allegheny Front counties in western Maryland, eastern West Virginia, and Highland County Virginia. .DAY ONE...Tonight A Winter Weather Advisory is in effect tonight for much of the outlook area. Elsewhere, some light accumulations of snow or freezing rain are possible tonight. .DAYS TWO THROUGH SEVEN...Saturday through Thursday A Winter Weather Advisory is in effect until 10 AM Saturday for Garrett County, and western portions of Grant, Allegany, and Mineral Counties for freezing rain. There is an isolated threat for flooding of small streams and creeks as well as urban areas late Saturday night through Sunday. A few instances of mainstem river flooding are also possible into early next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Feb 26, 11:14 PM EST, 5 hours 9 minutes before
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</html>Local storm report, Feb 26, 11:15 PM EST, 5 hours 8 minutes before
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</html>Special weather statement, Feb 26, 11:19 PM EST, 5 hours 4 minutes before
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</html>Local storm report, Feb 27, 12:37 AM EST, 3 hours 46 minutes before
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</html>Local storm report, Feb 27, 2:04 AM EST, 2 hours 19 minutes before
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</html>Special weather statement, Feb 27, 2:50 AM EST, 1 hour 33 minutes before
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</html>Nearby
Flood Watches in West Virginia, 2021Flood Watches in Virginia, 2021Flood Watches in Maryland, 2021Every flood watch in 2021
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.