Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 12, NWS Wakefield, VA

June 10, 2021Henrico County, City of Richmond, Virginia

NWS Wakefield, VA issued this flash flood warning at Jun 10, 2021, 9:15 PM EDT for Henrico County, City of Richmond, Virginia. It was in force for 90 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: Jun 10, 2021, 9:15 PM EDT (01:15 UTC)
Expired: Jun 10, 2021, 10:45 PM EDT
In force: 90 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Flood severity: None

Counties City of Richmond, VA, Henrico County, VA

The radar

The Norfolk radar (KAKQ), 72 km from the middle of the area, began a volume at 01:15 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 00:00Z, 1.3 hours before the alert went out and 158 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: 194 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

312 
WGUS51 KAKQ 110115
FFWAKQ
VAC087-760-110245-
/O.NEW.KAKQ.FF.W.0012.210611T0115Z-210611T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wakefield VA
915 PM EDT Thu Jun 10 2021

The National Weather Service in Wakefield has issued a

* Flash Flood Warning for...
  Central Henrico County in central Virginia...
  The City of Richmond in central Virginia...

* Until 1045 PM EDT.

* At 915 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 3 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Richmond, Virginia Commonwealth University, Virginia Union 
  University, Downtown Richmond, University Of Richmond, Highland 
  Springs, Mechanicsville, Bon Air, East Highland Park, Lakeside, 
  Bensley, Montrose, Richmond Heights and Chamberlayne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding. Do not stay in areas subject to flooding when 
water begins rising.

&&

LAT...LON 3754 7755 3765 7742 3763 7742 3762 7741
      3761 7741 3760 7740 3757 7731 3755 7734
      3743 7742 3743 7743 3745 7742 3746 7744
      3746 7747 3746 7749 3747 7751 3751 7753
      3753 7753 3753 7754

FLASH FLOOD...RADAR INDICATED

$$

Poche

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:15 PM EDT	Areal Flood Advisory	AKQ	Isle of Wight, City of Chesapeake, City of Portsmouth, City of Suffolk	3 hr
Jun 10, 8:17 PM EDT	Special Weather Statement	AKQ	Richmond	43 min
Jun 10, 8:30 PM EDT	Areal Flood Advisory	AKQ	Surry	3 hr
Jun 10, 8:43 PM EDT	Special Weather Statement	AKQ	Lancaster, Northumberland	47 min
Jun 10, 8:50 PM EDT	Areal Flood Advisory	AKQ	Henrico, City of Richmond	115 min
Jun 10, 8:54 PM EDT	Flash Flood Warning	AKQ	Hanover	3 hr
Jun 10, 9:32 PM EDT	Areal Flood Advisory	AKQ	Henrico	118 min
Jun 10, 10:22 PM EDT	Special Weather Statement	AKQ	Fluvanna, Goochland, Louisa	83 min
Jun 10, 11:50 PM EDT	Special Weather Statement	AKQ	Chesterfield, Fluvanna, Goochland, Hanover, Louisa, Powhatan	70 min
Jun 11, 12:01 AM EDT	Areal Flood Advisory	AKQ	Hanover	119 min
Jun 11, 1:00 AM EDT	Special Weather Statement	AKQ	Caroline, Fluvanna, Goochland, Hanover, Louisa	60 min
Jun 11, 2:42 AM EDT	Small Craft Advisory	AKQ		60 hr
Jun 11, 8:54 AM EDT	Special Weather Statement	AKQ	Essex, Richmond, Westmoreland	66 min
Jun 11, 9:37 AM EDT	Areal Flood Advisory	AKQ	Essex, Richmond, Westmoreland	3 hr
Jun 11, 10:31 AM EDT	Flash Flood Warning	AKQ	Richmond, Westmoreland	3 hr
Jun 11, 10:50 AM EDT	Areal Flood Advisory	AKQ	Westmoreland	3 hr
Jun 11, 10:57 AM EDT	Special Weather Statement	AKQ	Middlesex	48 min
Jun 11, 11:04 AM EDT	Flash Flood Warning	AKQ	Richmond, Westmoreland	6 hr
Jun 11, 11:47 AM EDT	Special Weather Statement	AKQ	Richmond	43 min
Jun 11, 12:09 PM EDT	Flash Flood Warning	AKQ	Northumberland, Richmond, Westmoreland	5 hr
Jun 11, 12:21 PM EDT	Areal Flood Advisory	AKQ	Lancaster	114 min
Jun 11, 12:52 PM EDT	Flash Flood Warning	AKQ	Lancaster, Northumberland, Richmond	4 hr
Jun 11, 1:17 PM EDT	Flash Flood Warning Considerable damage threat	AKQ	Westmoreland	4 hr
Jun 11, 1:22 PM EDT	Flash Flood Warning	AKQ	Richmond, Westmoreland	4 hr
Jun 11, 2:13 PM EDT	Flash Flood Warning Considerable damage threat	AKQ	Richmond, Westmoreland	7 hr
Jun 11, 2:24 PM EDT	Flash Flood Warning Considerable damage threat	AKQ	Northumberland, Richmond	3 hr
Jun 11, 3:03 PM EDT	Flash Flood Warning Considerable damage threat	AKQ	Lancaster, Northumberland	3 hr
Jun 11, 3:10 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Hanover, Henrico, City of Richmond	80 min
Jun 11, 3:22 PM EDT	Coastal Flood Statement	AKQ	Accomack	14 hr
Jun 11, 3:22 PM EDT	Coastal Flood Advisory	AKQ	Northumberland, Westmoreland	15 hr
Jun 11, 3:40 PM EDT	Flash Flood Warning	AKQ	Henrico, City of Richmond	110 min
Jun 11, 3:50 PM EDT	Special Weather Statement	AKQ	Prince Edward	40 min
Jun 11, 4:16 PM EDT	Areal Flood Advisory	AKQ	King and Queen, King William	119 min
Jun 11, 4:16 PM EDT	Areal Flood Advisory	AKQ	Cumberland, Prince Edward	119 min
Jun 11, 4:20 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg	115 min
Jun 11, 4:21 PM EDT	Special Weather Statement	AKQ	City of Colonial Heights, City of Hopewell	39 min
Jun 11, 4:26 PM EDT	Special Weather Statement	AKQ	Gloucester, Mathews, Middlesex	49 min
Jun 11, 4:50 PM EDT	Special Weather Statement	AKQ	James City, New Kent	40 min
Jun 11, 4:52 PM EDT	Areal Flood Warning	AKQ	Richmond, Westmoreland	4 hr
Jun 11, 4:52 PM EDT	Flash Flood Warning	AKQ	Chesterfield, Dinwiddie, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg	113 min
Jun 11, 4:53 PM EDT	Areal Flood Warning	AKQ	Lancaster, Northumberland	4 hr
Jun 11, 5:00 PM EDT	Special Weather Statement	AKQ	Prince George, City of Hopewell, City of Petersburg	45 min
Jun 11, 5:20 PM EDT	Special Weather Statement	AKQ	Nottoway	40 min
Jun 11, 5:41 PM EDT	Special Weather Statement	AKQ	James City, City of Williamsburg	49 min
Jun 11, 5:47 PM EDT	Special Weather Statement	AKQ	Charles City	43 min
Jun 11, 5:49 PM EDT	Areal Flood Advisory	AKQ	Dinwiddie, Nottoway	116 min
Jun 11, 6:00 PM EDT	Areal Flood Advisory	AKQ	Charles City, James City, New Kent, Prince George	3 hr
Jun 11, 6:24 PM EDT	Severe Thunderstorm Warning	AKQ	James City, Surry	30 min
Jun 11, 6:26 PM EDT	Special Marine Warning	AKQ		64 min
Jun 11, 6:55 PM EDT	Special Weather Statement	AKQ	Surry	50 min
Jun 11, 6:57 PM EDT	Special Marine Warning	AKQ		63 min
Jun 11, 7:10 PM EDT	Areal Flood Advisory	AKQ	Surry, Sussex	2 hr
Jun 11, 7:27 PM EDT	Special Weather Statement	AKQ	Isle of Wight	48 min
Jun 11, 7:45 PM EDT	Areal Flood Advisory	AKQ	Isle of Wight, Southampton	2 hr
Jun 11, 7:51 PM EDT	Flash Flood Warning	AKQ	Isle of Wight, Southampton, Surry	114 min

Nearby

Flash Flood Warnings in Virginia, 2021 Every flash 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.