Alert archive / Virginia / Wind Advisories in 2024

Wind Advisory 2, NWS Baltimore/Washington

January 9, 202420 counties in Virginia; 8 counties in Maryland; 8 counties in West Virginia

NWS Baltimore/Washington issued this wind advisory at Jan 9, 2024, 2:40 PM EST for 20 counties in Virginia; 8 counties in Maryland; 8 counties in West Virginia. It took effect at Jan 10, 2024, 6:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jan 9, 2024, 2:40 PM EST (19:40 UTC)
In effect from
Jan 10, 2024, 6:00 AM EST
Expired
Jan 10, 2024, 3:51 PM EST
In force
10 hr
Issued by
NWS Baltimore/Washington
All 36 counties

Allegany County, MD, Baltimore County, MD, Carroll County, MD, Cecil County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Washington County, MD, Albemarle County, VA, Amherst County, VA, Augusta County, VA, City of Harrisonburg, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Frederick County, VA, Greene County, VA, Highland County, VA, Loudoun County, VA, Madison County, VA, Nelson County, VA, Page County, VA, Rappahannock County, VA, Rockbridge County, VA, Rockingham County, VA, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 70 km from the middle of the area, began a volume at 19:43 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 12:00Z, 7.7 hours before the alert went out and 77 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, Washington/Dulle, VA at 12:00Z on 2024-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Washington/Dulle, VA at 12:00Z on 2024-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
511 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 wind advisory 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 wind advisory went out at Jan 9, 9:30 AM EST, 5 hours 10 minutes earlier.

Area forecast discussion, Jan 9, 9:30 AM EST, 5 hours 10 minutes before
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Hazardous weather outlook, Jan 9, 8:06 AM EST, 6 hours 34 minutes before
Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
806 AM EST Tue Jan 9 2024

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-101000-
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-Fairfax-Arlington/Falls Church/Alexandria-
Stafford-Spotsylvania-King George-
Central and Southeast Prince William/Manassas/Manassas Park-
806 AM EST Tue Jan 9 2024

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...Today and Tonight

A strong area of low pressure will impact the region today into
tonight, bringing multiple hazards as follows.

A Flood Watch is in effect from 1 PM today through tonight. Heavy
rainfall may result in significant flooding of urban areas and
small streams.

A Storm Warning is in effect this afternoon into tonight for the
Chesapeake Bay and the Lower Tidal Potomac River. A Gale Warning
is in effect for the Northern Tidal Potomac during this time.

Coastal Flood Warnings are in effect from this morning through
late tonight for many tidal locations.

A High Wind Warning is in effect for southern Harford, southern
Baltimore, Anne Arundel, Calvert, St. Mary's County from 3 PM
today to 1 AM Wednesday. A Wind Advisory is in effect for all
other areas.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The Flood Watch continues until 7 AM Wednesday.

Coastal Flood Warnings continue Wednesday.

Low pressure will bring a soaking rain Friday afternoon into
early Saturday with instances of flooding possible along with the
potential for isolated instances of wind damage.

.SPOTTER INFORMATION STATEMENT...

Spotters should be prepared to report rain and wind measurements,
and any instances of wind damage and flooding from late tonight
through Wednesday.

MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508-
526-WVZ050>053-055-101000-
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-Northwest Prince William-Hampshire-
Morgan-Berkeley-Jefferson-Hardy-
806 AM EST Tue Jan 9 2024

This Hazardous Weather Outlook is for portions of eastern West
Virginia, northern and central Virginia, and central and western
Maryland.

.DAY ONE...Today and Tonight

A strong area of low pressure will impact the region today into
Wednesday, bringing multiple hazards to the area.

A Winter Weather Advisory is in effect for some locations along
and west of the Blue Ridge until 1 PM.

A Wind Advisory is in effect for the Blue Ridge and areas along
and north of Interstate 66 from 3 PM today through 1 AM
Wednesday. Strong winds could result in instances of wind damage.

A Flood Watch is in effect from through tonight. Heavy rainfall
may result in significant flooding of urban areas and small
streams. River Flood Watches are also in effect.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A Flood Watch is in effect until 7 AM Wednesday. River Flood
Watches are also in effect, and river flooding may continue
through the end of the week.

Low pressure will bring a soaking rain Friday afternoon into early
Saturday with instances of flooding possible along with the
potential for isolated instances of wind damage.

.SPOTTER INFORMATION STATEMENT...

Spotters should be prepared to report snow, ice, rain, wind
measurements, and any instances of wind damage and flooding from
late tonight through Wednesday.

MDZ001-501-502-VAZ503-504-WVZ501>506-101000-
Garrett-Extreme Western Allegany-Central and Eastern Allegany-
Western Highland-Eastern Highland-Western Grant-Eastern Grant-
Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
806 AM EST Tue Jan 9 2024

This Hazardous Weather Outlook is for the Allegheny Front
counties in western Maryland, eastern West Virginia, and Highland
County Virginia.

.DAY ONE...Today and Tonight

A strong area of low pressure will impact the region today into
Wednesday, bringing multiple hazards to the area.

A Winter Storm Warning is in effect for Garrett and Western
Allegany Counties until 2PM. A Winter Weather Advisory is in
effect for the rest of the outlook area until 1 PM.

A Wind Advisory goes into effect for Garrett, western Grant,
western Pendleton, and western Highland counties until 5 PM
today. Strong winds could result in instances of wind damage.

A Flood Watch is in effect through tonight for eastern Allegany,
eastern Mineral, eastern Grant, Pendleton, and Highland Counties.
Heavy rainfall is expected to result in may result in flooding of
small streams and creeks.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The Flood Watch continues until 7 AM Wednesday.

Accumulating snow is expected late tonight through Wednesday
evening along and west of the Allegheny Front.

Accumulating snow is possible Friday before precipitation changes
to a soaking rain. Isolated instances of flooding are possible
along with isolated instances of wind damage Friday night.

The potential for accumulating snow exists Saturday along with
the possibility for isolated instances of wind damage.

.SPOTTER INFORMATION STATEMENT...

Spotters should be prepared to report snow, ice, rain, and wind
measurements, or instances of wind damage and flooding from late
tonight through Wednesday.

In the hours before

Local storm report, Jan 9, 12:15 PM EST, 2 hours 25 minutes before
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Special weather statement, Jan 9, 12:21 PM EST, 2 hours 19 minutes before
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Local storm report, Jan 9, 12:44 PM EST, 1 hour 56 minutes before
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Local storm report, Jan 9, 12:49 PM EST, 1 hour 51 minutes before
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Local storm report, Jan 9, 1:53 PM EST, 47 minutes before
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Local storm report, Jan 9, 1:55 PM EST, 45 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 10:16 AM ESTRiver Flood WatchLWXLoudoun18 hr
Jan 9, 10:16 AM ESTRiver Flood WatchLWXLoudoun20 hr
Jan 9, 10:20 AM ESTRiver Flood WatchLWXClarke, Warren13 hr
Jan 9, 10:25 AM ESTRiver Flood WarningLWXCulpeper, Fauquier35 hr
Jan 9, 2:53 PM ESTGale WarningLWX27 hr
Jan 9, 3:29 PM ESTAreal Flood WarningLWXArlington, Fairfax, Loudoun, Prince William, City of Alexandria, City of Fairfax and 3 more30 hr
Jan 9, 3:32 PM ESTAreal Flood WarningLWXAlbemarle, Augusta, Nelson, Rockingham, City of Charlottesville16 hr
Jan 9, 3:41 PM ESTAreal Flood WarningLWXCulpeper, Fauquier, Rappahannock, Warren20 hr
Jan 9, 3:55 PM ESTAreal Flood WarningLWXGreene, Madison, Orange19 hr
Jan 9, 5:23 PM ESTAreal Flood WarningLWXAugusta, Page, Rockingham, Shenandoah, Warren, City of Harrisonburg and 2 more4 hr
Jan 9, 5:25 PM ESTAreal Flood WarningLWXKing George, Spotsylvania, Stafford, City of Fredericksburg15 hr
Jan 9, 5:29 PM ESTRiver Flood WatchLWXLoudoun5 hr
Jan 9, 5:50 PM ESTRiver Flood WatchLWXFairfax, City of Fairfax3 hr
Jan 9, 2:20 AM ESTWinter Storm WarningLWXAllegany10 hr
Jan 9, 2:48 PM ESTWinter Weather AdvisoryLWX26 hr
Jan 9, 4:24 PM ESTAreal Flood WarningLWXAnne Arundel, Baltimore, Howard, Prince George's, City of Baltimore16 hr
Jan 9, 5:27 PM ESTRiver Flood WarningLWXWashington38 hr
Jan 9, 5:34 PM ESTRiver Flood WatchLWXWashington21 days
Jan 9, 5:35 PM ESTAreal Flood WarningLWXBaltimore, Cecil, Harford14 hr
Jan 9, 5:37 PM ESTRiver Flood WarningLWXMontgomery15 hr
Jan 9, 10:09 AM ESTRiver Flood WarningLWXMorgan13 hr
Jan 9, 5:32 PM ESTRiver Flood WarningLWXBerkeley, Jefferson25 hr

Nearby

Wind Advisories in Virginia, 2024Wind Advisories in Maryland, 2024Wind Advisories in West Virginia, 2024Every wind advisory in 2024

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.