Alert archive / Virginia / Areal Flood Warnings in 2021

Areal Flood Warning 5, NWS Wakefield, VA

February 16, 2021Mecklenburg County, Virginia

NWS Wakefield, VA issued this areal flood warning at Feb 16, 2021, 7:49 AM EST for Mecklenburg County, Virginia. It was in force for 6 hr. 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 16, 2021, 7:49 AM EST (12:49 UTC)
Expired
Feb 16, 2021, 1:45 PM EST
In force
6 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

County Mecklenburg County, VA

The radar

The Raleigh/Durham radar (KRAX), 113 km from the middle of the area, began a volume at 12:53 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

Roanoke, VA (KRNK), launched 12:00Z, 0.8 hours before the alert went out and 116 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, Roanoke, VA at 12:00Z on 2021-02-16Temperature 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, Roanoke, VA at 12:00Z on 2021-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.1939587897117136156Sfc1 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
567 m above ground
0-6 km bulk shear
113 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
114 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wakefield, VA wrote its last area forecast discussion before this areal flood warning went out at Feb 16, 7:30 AM EST, 19 minutes earlier.

Area forecast discussion, Feb 16, 7:30 AM EST, 19 minutes before
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Hazardous weather outlook, Feb 16, 5:43 AM EST, 2 hours 6 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
543 AM EST Tue Feb 16 2021

NCZ013>017-030>032-102-VAZ084-086-093-095>100-523>525-171045-
Hertford-Gates-Pasquotank-Camden-Western Currituck-Bertie-Chowan-
Perquimans-Eastern Currituck-Gloucester-Mathews-Isle of Wight-
Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach-Accomack-
Northampton-York-Newport News-Hampton/Poquoson-
543 AM EST Tue Feb 16 2021

This Hazardous Weather Outlook is for northeast North Carolina,
eastern Virginia and southeast Virginia.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ012-VAZ077-078-081>083-085-087>090-092-518-520-522-171045-
Northampton-Northumberland-Lancaster-Prince George-Charles City-
New Kent-Middlesex-Greensville-Sussex-Surry-James City-Southampton-
Eastern King William-Eastern King and Queen-Eastern Essex-
543 AM EST Tue Feb 16 2021

This Hazardous Weather Outlook is for northeast North Carolina,
east central Virginia, eastern Virginia, south central Virginia and
southeast Virginia.

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

There is the potential for a wintry mix of precipitation late Wednesday
night through Thursday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ064-065-075-076-079-080-511>517-519-521-171045-
Caroline-Mecklenburg-Westmoreland-Richmond-Brunswick-Dinwiddie-
Western Hanover-Eastern Hanover-Western Chesterfield-
Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Western King and Queen-Western Essex-
543 AM EST Tue Feb 16 2021

This Hazardous Weather Outlook is for central Virginia, east
central Virginia, north central Virginia and south central Virginia.

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

There is the potential for a wintry mix of precipitation late Wednesday
night through Thursday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MDZ021>025-171045-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
543 AM EST Tue Feb 16 2021

This Hazardous Weather Outlook is for southeast Maryland.

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

There is the potential for a wintry mix of precipitation late Wednesday
night through Thursday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ048-060>062-066>069-509-510-171045-
Fluvanna-Prince Edward-Cumberland-Goochland-Lunenburg-Nottoway-
Amelia-Powhatan-Western Louisa-Eastern Louisa-
543 AM EST Tue Feb 16 2021

...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
LATE THURSDAY NIGHT...

This Hazardous Weather Outlook is for central Virginia and south
central Virginia.

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Storm Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LKB

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 10:14 PM ESTRiver Flood WarningAKQIsle of Wight, Southampton, City of Franklin, City of Suffolk21 days
Feb 15, 10:28 PM ESTAreal Flood WarningAKQCharles City, James City, New Kent8 days
Feb 16, 2:34 AM ESTSpecial Marine WarningAKQ26 min
Feb 16, 4:10 AM ESTWinter Storm WatchAKQAmelia, Brunswick, Caroline, Charles City, Chesterfield, Cumberland and 28 more35 hr
Feb 16, 2:42 PM ESTRiver Flood WarningAKQSussex4 days
Feb 16, 2:47 PM ESTRiver Flood WarningAKQChesterfield, Henrico, City of Richmond37 hr
Feb 16, 6:10 PM ESTRiver Flood WarningAKQAmelia, Cumberland, Prince Edward24 hr

Nearby

Areal Flood Warnings in Virginia, 2021Every areal flood warning 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.