Alert archive / Virginia / Flood Watches in 2018

Flood Watch 2, NWS Wakefield, VA

November 14, 201849 counties in Virginia; 4 counties in Maryland; 9 counties in North Carolina

NWS Wakefield, VA issued this flood watch at Nov 14, 2018, 3:32 AM EST for 49 counties in Virginia; 4 counties in Maryland; 9 counties in North Carolina. It took effect at Nov 15, 2018, 7:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Nov 14, 2018, 3:32 AM EST (08:32 UTC)
In effect from
Nov 15, 2018, 7:00 AM EST
Expired
Nov 15, 2018, 2:59 PM EST
In force
8 hr
Issued by
NWS Wakefield, VA
Flood severity
None
All 62 counties

Dorchester County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Bertie County, NC, Camden County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Hertford County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Accomack County, VA, Amelia County, VA, Brunswick County, VA, Caroline County, VA, Charles City County, VA, Chesterfield County, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Hopewell, VA, City of Newport News, VA, City of Petersburg, VA, City of Poquoson, VA, City of Richmond, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fluvanna County, VA, Gloucester County, VA, Goochland County, VA, Greensville County, VA, Hanover County, VA, Henrico County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Louisa County, VA, Lunenburg County, VA, Mathews County, VA, Mecklenburg County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Nottoway County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 29 km from the middle of the area, began a volume at 08:34 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 00:00Z, 8.5 hours before the alert went out and 223 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 00:00Z on 2018-11-14Temperature 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 00:00Z on 2018-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -105 square meters per square second.1939587897117136Sfc1 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
676 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
-105 m²/s²
0-3 km storm-relative helicity
-34 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 flood watch 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 flood watch went out at Nov 14, 12:40 AM EST, 2 hours 52 minutes earlier.

Area forecast discussion, Nov 14, 12:40 AM EST, 2 hours 52 minutes before
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Hazardous weather outlook, Nov 13, 8:18 PM EST, 7 hours 14 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 9:35 PM ESTRiver Flood WarningAKQAmelia, Cumberland, Prince Edward16 hr
Nov 13, 11:10 PM ESTRiver Flood WarningAKQAmelia, Chesterfield, Powhatan6 days
Nov 13, 11:10 PM ESTRiver Flood WarningAKQSouthampton8 days
Nov 14, 3:34 AM ESTGale WarningAKQ54 hr
Nov 14, 3:11 PM ESTWinter Weather AdvisoryAKQCumberland, Fluvanna, Louisa, Prince Edward19 hr
Nov 14, 3:42 PM ESTWind AdvisoryAKQAccomack, Northampton, City of Hampton, City of Virginia Beach29 hr
Nov 14, 4:18 PM ESTHigh Surf AdvisoryAKQAccomack, Northampton, City of Virginia Beach36 hr

Nearby

Flood Watches in Virginia, 2018Flood Watches in North Carolina, 2018Flood Watches in Maryland, 2018Every flood watch in 2018

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.