Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 17, NWS Wakefield, VA

June 11, 2021Westmoreland County, Virginia

NWS Wakefield, VA issued this flash flood warning at Jun 11, 2021, 1:17 PM EDT for Westmoreland County, Virginia. It was in force for 4 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 11, 2021, 1:17 PM EDT (17:17 UTC)
Expired: Jun 11, 2021, 5:00 PM EDT
In force: 4 hr
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

County Westmoreland County, VA

The radar

The Sterling radar (KLWX), 95 km from the middle of the area, began a volume at 17:17 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.

What was reported inside it

Time	Report	Where	Remark
Jun 11, 2:20 PM EDT	FLASH FLOOD	Colonial Beach, VA	SEVERAL ROADS CLOSED FROM FLOODING AROUND COLONIAL BEACH.
Jun 11, 3:54 PM EDT	FLASH FLOOD	1 Nnw Oak Grove, VA	FERRY LANDING ROAD FLOODED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 5.3 hours before the alert went out and 89 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 462 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

200 
WGUS51 KAKQ 111717
FFWAKQ
VAC193-112100-
/O.NEW.KAKQ.FF.W.0017.210611T1717Z-210611T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wakefield VA
117 PM EDT Fri Jun 11 2021

The National Weather Service in Wakefield has issued a

* Flash Flood Warning for...
  Northwestern Westmoreland County in east central Virginia...

* Until 500 PM EDT.

* At 117 PM EDT, Doppler radar indicated heavy rain across the 
  warned area. Between 4 and 5 inches of rain have fallen. The 
  expected rainfall rate is 2 inches in 1 hour. Additional rainfall 
  amounts of 2 to 3 inches are possible in the warned area. Flash 
  flooding is already occurring.

  HAZARD...Life threatening flash flooding. Heavy rain producing
           flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Colonial Beach, Oak Grove, Potomac Mills and Potomac Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

&&

LAT...LON 3817 7685 3813 7705 3815 7705 3817 7706
      3818 7705 3826 7704 3826 7703 3827 7703
      3827 7701 3828 7701 3827 7699 3827 7698
      3826 7696 3824 7696 3823 7696 3821 7695
      3820 7691 3817 7687

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...2 INCHES IN 1 HOUR

$$

Zimmerman

2 follow-up statements

821 
WGUS71 KAKQ 111825
FFSAKQ

Flash Flood Statement
National Weather Service Wakefield VA
225 PM EDT Fri Jun 11 2021

VAC193-112100-
/O.CON.KAKQ.FF.W.0017.000000T0000Z-210611T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Westmoreland VA-
225 PM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS 
AFTERNOON FOR NORTHWESTERN WESTMORELAND COUNTY...

At 225 PM EDT, local law enforcement reported flash flooding across 
the warned area. Numerous roads are closed due to high water around 
Colonial Beach. Between 4 and 6 inches of rain have fallen. 
Additional rainfall amounts of 0.5 to 1 inch are possible in the 
warned area. Flash flooding is already occurring.

HAZARD...Life threatening flash flooding. Heavy rain producing
         flash flooding.

SOURCE...Law enforcement reported.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Colonial Beach, Oak Grove, Potomac Mills and Potomac Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

&&

LAT...LON 3817 7685 3813 7705 3815 7705 3817 7706
      3818 7705 3826 7704 3826 7703 3827 7703
      3827 7701 3828 7701 3827 7699 3827 7698
      3826 7696 3824 7696 3823 7696 3821 7695
      3820 7691 3817 7687

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Poche

025 
WGUS71 KAKQ 112056 RRA
FFSAKQ

Flash Flood Statement
National Weather Service Wakefield VA
456 PM EDT Fri Jun 11 2021

VAC193-112106-
/O.EXP.KAKQ.FF.W.0017.000000T0000Z-210611T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Westmoreland VA-
456 PM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 5 PM EDT THIS AFTERNOON FOR 
NORTHWESTERN WESTMORELAND COUNTY...

The heavy rain has ended. Please continue to heed remaining road 
closures.

A Flash Flood Watch remains in effect until 800 PM EDT for portions 
of central Virginia, east central Virginia, eastern Virginia and 
north central Virginia.

LAT...LON 3817 7685 3813 7705 3815 7705 3817 7706
      3818 7705 3826 7704 3826 7703 3827 7703
      3827 7701 3828 7701 3827 7699 3827 7698
      3826 7696 3824 7696 3823 7696 3821 7695
      3820 7691 3817 7687

$$

Butner

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, 9:15 PM EDT	Flash Flood Warning	AKQ	Henrico, City of Richmond	90 min
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, 1:22 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.