Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Wakefield, VA

August 20, 2021Dinwiddie County, City of Colonial Heights, City of Petersburg, Virginia

NWS Wakefield, VA issued this special weather statement at Aug 20, 2021, 2:07 AM EDT for Dinwiddie County, City of Colonial Heights, City of Petersburg, Virginia. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 20, 2021, 2:07 AM EDT (06:07 UTC)
Expired: Aug 20, 2021, 3:00 AM EDT
In force: 53 min
Issued by: NWS Wakefield, VA
Hail: 0.00 in
Wind: 30

Counties City of Colonial Heights, VA, City of Petersburg, VA, Dinwiddie County, VA

The radar

The Norfolk radar (KAKQ), 57 km from the middle of the area, began a volume at 06:09 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, 6.1 hours before the alert went out and 167 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 231 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 703 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

178 
WWUS81 KAKQ 200607
SPSAKQ

Special Weather Statement
National Weather Service Wakefield VA
207 AM EDT Fri Aug 20 2021
 
VAZ068-079>081-088-513-514-516-200700-
Western Chesterfield VA-Prince George VA-Dinwiddie VA-Sussex VA-
Amelia VA-Eastern Henrico VA-Brunswick VA-
Eastern Chesterfield (Including Col. Heights) VA-
207 AM EDT Fri Aug 20 2021

...An area of thunderstorms with heavy rain will impact portions of 
southeastern Chesterfield, Dinwiddie, southeastern Amelia and 
northeastern Brunswick Counties, the City of Colonial Heights and 
the City of Petersburg through 300 AM EDT...

At 206 AM EDT, Doppler radar was tracking thunderstorms in an area 
centered from 6 miles west of Sutherland to 6 miles west of Purdy. 
Movement was northeast at 20 mph.

HAZARD...Rain 1 to 2 inches.

SOURCE...Radar indicated.

IMPACT...Possible flooding of poor drainage and low lying areas.

Strong thunderstorms will be near...
  Sutherland around 220 AM EDT.
  Dewitt around 235 AM EDT.
  Matoaca around 240 AM EDT.
  Virginia State University and Ettrick around 245 AM EDT.
  Dinwiddie, Colonial Heights and Chesterfield Court House around 
  250 AM EDT.
  Stony Creek around 255 AM EDT.
  Chester, Carson, Bellwood and Bensley around 300 AM EDT.

Other locations impacted by these storms include Richmond Heights,
Addison, Dolphin, Ammon, Wharfs Store, Church Road, Beach, Richard
Bland College, Hebron and Drewrys Bluff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3745 7743 3745 7742 3746 7742 3749 7736
      3695 7737 3686 7759 3689 7763 3687 7764
      3688 7765 3690 7765 3683 7766 3678 7779
      3717 7783 3717 7782 3719 7780 3720 7783
      3722 7784
TIME...MOT...LOC 0606Z 231DEG 18KT 3720 7767 3686 7770 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH

$$

ALB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 11:56 PM EDT	Special Weather Statement	AKQ	Nottoway	64 min
Aug 20, 12:43 AM EDT	Areal Flood Advisory	AKQ	Lunenburg, Nottoway, Prince Edward	3 hr
Aug 20, 12:50 AM EDT	Special Weather Statement	AKQ	Brunswick	55 min
Aug 20, 1:48 AM EDT	Areal Flood Advisory	AKQ	Chesterfield, Goochland, Henrico, Powhatan, City of Richmond	117 min
Aug 20, 2:09 AM EDT	Special Weather Statement	AKQ	Amelia, Lunenburg, Nottoway	66 min
Aug 20, 2:15 AM EDT	Special Weather Statement	AKQ	Essex, King William, Richmond	60 min
Aug 20, 2:46 AM EDT	Special Weather Statement	AKQ	Charles City, Henrico, James City, King and Queen, New Kent, Prince George and 4 more	59 min
Aug 20, 2:59 AM EDT	Small Craft Advisory	AKQ		51 hr
Aug 20, 3:11 AM EDT	Areal Flood Advisory	AKQ	Charles City, Chesterfield, Henrico, Prince George, City of Colonial Heights, City of Hopewell and 1 more	3 hr
Aug 20, 3:40 AM EDT	Flash Flood Warning	AKQ	Charles City, Chesterfield, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg	3 hr
Aug 20, 4:00 AM EDT	Special Weather Statement	AKQ	Essex, Gloucester, James City, King and Queen, King William, Lancaster and 6 more	60 min
Aug 20, 4:15 AM EDT	River Flood Warning	AKQ	Charles City, New Kent	3 days
Aug 20, 4:41 AM EDT	Special Marine Warning	AKQ		94 min
Aug 20, 5:18 AM EDT	Special Weather Statement	AKQ	Accomack	57 min
Aug 20, 6:05 AM EDT	Special Marine Warning	AKQ		85 min
Aug 20, 12:28 PM EDT	Special Weather Statement	AKQ	Currituck	47 min
Aug 20, 1:31 PM EDT	Special Weather Statement	AKQ	Currituck	29 min
Aug 20, 2:45 PM EDT	Special Weather Statement	AKQ	Currituck	45 min
Aug 20, 3:51 PM EDT	Areal Flood Advisory	AKQ	Currituck	3 hr
Aug 20, 4:01 PM EDT	Special Weather Statement	AKQ	Currituck	74 min
Aug 20, 7:49 PM EDT	Areal Flood Advisory	AKQ	Currituck	3 hr
Aug 19, 10:01 PM EDT	Special Weather Statement	AKQ	Dorchester, Somerset	59 min
Aug 19, 10:59 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico	61 min
Aug 20, 12:07 AM EDT	Special Weather Statement	AKQ	Worcester	53 min
Aug 20, 6:15 AM EDT	Special Weather Statement	AKQ	Worcester	45 min
Aug 20, 10:23 AM EDT	Special Weather Statement	AKQ	Dorchester	67 min
Aug 20, 12:01 PM EDT	Areal Flood Advisory	AKQ	Dorchester	119 min

Nearby

Special Weather Statements in Virginia, 2021 Every special weather statement 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.