Alert archive / Virginia / Winter Storm Warnings in 2018

Winter Storm Warning 5, NWS Wakefield, VA

December 8, 201833 counties in Virginia; Northampton County, North Carolina

NWS Wakefield, VA issued this winter storm warning at Dec 8, 2018, 11:29 AM EST for 33 counties in Virginia; Northampton County, North Carolina. It took effect at Dec 9, 2018, 5:00 AM EST. It was in force for 23 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
Dec 8, 2018, 11:29 AM EST (16:29 UTC)
In effect from
Dec 9, 2018, 5:00 AM EST
Expired
Dec 10, 2018, 4:00 AM EST
In force
23 hr
Issued by
NWS Wakefield, VA
All 34 counties

Northampton County, NC, Amelia County, VA, Brunswick County, VA, Caroline County, VA, Charles City County, VA, Chesterfield County, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Hopewell, VA, City of Petersburg, VA, City of Richmond, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fluvanna County, VA, Goochland County, VA, Greensville County, VA, Hanover County, VA, Henrico County, VA, King and Queen County, VA, King William County, VA, Louisa County, VA, Lunenburg County, VA, Mecklenburg County, VA, New Kent County, VA, Nottoway County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Sussex County, VA, Westmoreland County, VA

The radar

The Norfolk radar (KAKQ), 60 km from the middle of the area, began a volume at 16:35 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 4.5 hours before the alert went out and 198 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, Wallops Is Stn, VA at 12:00Z on 2018-12-08Temperature 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, Wallops Is Stn, VA at 12:00Z on 2018-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
1501 m above ground
0-6 km bulk shear
95 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
68 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 winter storm 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 winter storm warning went out at Dec 8, 11:14 AM EST, 15 minutes earlier.

Area forecast discussion, Dec 8, 11:14 AM EST, 15 minutes before
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Hazardous weather outlook, Dec 8, 5:14 AM EST, 6 hours 15 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
514 AM EST Sat Dec 8 2018

MDZ021>025-NCZ013>017-030>032-102-VAZ075>078-084>086-090-093-095>100-
520-522>525-091015-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
Hertford-Gates-Pasquotank-Camden-Western Currituck-Bertie-Chowan-
Perquimans-Eastern Currituck-Westmoreland-Richmond-Northumberland-
Lancaster-Gloucester-Middlesex-Mathews-James City-Isle of Wight-
Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach-Accomack-
Northampton-Eastern King and Queen-Eastern Essex-York-Newport News-
Hampton/Poquoson-
514 AM EST Sat Dec 8 2018

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

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Rain, heavy at times, will overspread the area from south to north
Sunday and persist into Sunday night. The heaviest rain is
expected across southeast Virginia and northeast North Carolina.
Rain may mix with snow and sleet especially across the Tidewater
and inland portions of northeast North Carolina late Sunday into
Sunday evening. A light accumulation of a wintry mix is possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ048-061-062-064-068-069-081>083-088-089-092-509>519-521-091015-
Fluvanna-Cumberland-Goochland-Caroline-Amelia-Powhatan-Prince George-
Charles City-New Kent-Sussex-Surry-Southampton-Western Louisa-
Eastern Louisa-Western Hanover-Eastern Hanover-Western Chesterfield-
Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Eastern King William-Western King and Queen-
Western Essex-
514 AM EST Sat Dec 8 2018

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

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Wintry precipitation will spread north across the area Sunday
morning into Sunday afternoon and evening. Some accumulation of
snow is expected in areas just east of I95, across the Richmond
metro and west along and south of Interstate 64. Some areas will
receive 1 to 2 inches of snow with up to 3 possible. The highest
amounts will be along and south of highway 60. Stay tuned to later
forecasts as snow amounts are likely to change.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ012-VAZ060-065>067-079-080-087-091015-
Northampton-Prince Edward-Mecklenburg-Lunenburg-Nottoway-Brunswick-
Dinwiddie-Greensville-
514 AM EST Sat Dec 8 2018

...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

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

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

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.

TG

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 8, 4:02 AM ESTGale WarningAKQ51 hr
Dec 8, 4:02 AM ESTSmall Craft AdvisoryAKQ24 hr
Dec 8, 4:02 AM ESTSmall Craft AdvisoryAKQ4 days
Dec 8, 2:50 PM ESTWinter Storm WatchAKQAmelia, Chesterfield, Cumberland, Fluvanna, Goochland, Hanover and 5 more13 hr
Dec 8, 2:50 PM ESTWinter Weather AdvisoryAKQCaroline, Charles City, Essex, Gloucester, James City, King and Queen and 15 more37 hr
Dec 8, 3:15 PM ESTWind AdvisoryAKQCity of Virginia Beach37 hr

Nearby

Winter Storm Warnings in Virginia, 2018Winter Storm Warnings in North Carolina, 2018Every winter storm warning 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.