Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 23, NWS Wakefield, VA

June 11, 20216 counties in Virginia

NWS Wakefield, VA issued this flash flood warning at Jun 11, 2021, 4:52 PM EDT for 6 counties in Virginia. It was in force for 113 min. 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, 4:52 PM EDT (20:52 UTC)
Expired
Jun 11, 2021, 6:45 PM EDT
In force
113 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties Chesterfield County, VA, City of Colonial Heights, VA, City of Hopewell, VA, City of Petersburg, VA, Dinwiddie County, VA, Prince George County, VA

The radar

The Norfolk radar (KAKQ), 44 km from the middle of the area, began a volume at 20:56 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

TimeReportWhereRemark
Jun 11, 5:31 PM EDTFLASH FLOOD2 Nnw Petersburg, VANUMEROUS ROADS AROUND PETERSBURG EXPERIENCING FLOODING AND ARE IMPASSABLE. ONE WATER RESCUE UNDERWAY.
Jun 11, 5:45 PM EDTFLASH FLOOD2 Ese Ettrick, VANUMEROUS ROADS FLOODED ACROSS PETERSBURG INCLUDING DEFENSE ROAD, SQUIRREL LEVEL ROAD, JOSEPH JENKINS AT POCAHONTAS STREET AND MCKEER STREET AT ST ANDREWS.

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, 8.9 hours before the alert went out and 188 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, Washington/Dulle, VA at 12:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.1939Sfc1 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
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.

148 
WGUS51 KAKQ 112052
FFWAKQ
VAC041-053-149-570-670-730-112245-
/O.NEW.KAKQ.FF.W.0023.210611T2052Z-210611T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Wakefield has issued a

* Flash Flood Warning for...
  Southeastern Chesterfield County in central Virginia...
  The City of Colonial Heights in central Virginia...
  Northeastern Dinwiddie County in south central Virginia...
  Northwestern Prince George County in south central Virginia...
  The City of Hopewell in south central Virginia...
  The City of Petersburg in south central Virginia...

* Until 645 PM EDT.

* At 452 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. The expected rainfall rate is 2 to 4 inches in 1 
  hour. 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...
  Petersburg, Hopewell, Colonial Heights, Virginia State University, 
  Fort Lee, Chester, Prince George, Ettrick, Matoaca, Petersburg 
  National Battlefield, Richard Bland College, New Bohemia, Addison, 
  Birchett Estate, Burgess, Petersburg Airport and Jordan Point 
  Country Club.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3727 7755 3733 7740 3733 7727 3732 7727
      3731 7726 3731 7725 3729 7724 3715 7732
      3714 7741 3714 7755

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-4 INCHES IN 1 HOUR

$$

Poche
1 follow-up statement
811 
WGUS71 KAKQ 112205
FFSAKQ

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

VAC041-053-149-570-670-730-112245-
/O.CON.KAKQ.FF.W.0023.000000T0000Z-210611T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chesterfield VA-Dinwiddie VA-Prince George VA-City of Colonial
Heights VA-City of Hopewell VA-City of Petersburg VA-
605 PM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT THIS 
EVENING FOR SOUTHEASTERN CHESTERFIELD, NORTHEASTERN DINWIDDIE AND 
NORTHWESTERN PRINCE GEORGE COUNTIES AND THE CITY OF COLONIAL 
HEIGHTS, THE CITY OF HOPEWELL AND THE CITY OF PETERSBURG...

At 605 PM EDT, local law enforcement reported numerous roads flooded 
and closed around Petersburg including Pocahontas Rd, McKeer St and 
Joseph Jenkins Rd. Avoid flooded areas. Between 1.5 and 2.5 inches 
of rain have fallen. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement reported.

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...
  Petersburg, Hopewell and Colonial Heights, 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3727 7755 3733 7740 3733 7727 3732 7727
      3731 7726 3731 7725 3729 7724 3715 7732
      3714 7741 3714 7755

FLASH FLOOD...OBSERVED

$$

JO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:15 PM EDTAreal Flood AdvisoryAKQIsle of Wight, City of Chesapeake, City of Portsmouth, City of Suffolk3 hr
Jun 10, 8:17 PM EDTSpecial Weather StatementAKQRichmond43 min
Jun 10, 8:30 PM EDTAreal Flood AdvisoryAKQSurry3 hr
Jun 10, 8:43 PM EDTSpecial Weather StatementAKQLancaster, Northumberland47 min
Jun 10, 8:50 PM EDTAreal Flood AdvisoryAKQHenrico, City of Richmond115 min
Jun 10, 8:54 PM EDTFlash Flood WarningAKQHanover3 hr
Jun 10, 9:15 PM EDTFlash Flood WarningAKQHenrico, City of Richmond90 min
Jun 10, 9:32 PM EDTAreal Flood AdvisoryAKQHenrico118 min
Jun 10, 10:22 PM EDTSpecial Weather StatementAKQFluvanna, Goochland, Louisa83 min
Jun 10, 11:50 PM EDTSpecial Weather StatementAKQChesterfield, Fluvanna, Goochland, Hanover, Louisa, Powhatan70 min
Jun 11, 12:01 AM EDTAreal Flood AdvisoryAKQHanover119 min
Jun 11, 1:00 AM EDTSpecial Weather StatementAKQCaroline, Fluvanna, Goochland, Hanover, Louisa60 min
Jun 11, 2:42 AM EDTSmall Craft AdvisoryAKQ60 hr
Jun 11, 8:54 AM EDTSpecial Weather StatementAKQEssex, Richmond, Westmoreland66 min
Jun 11, 9:37 AM EDTAreal Flood AdvisoryAKQEssex, Richmond, Westmoreland3 hr
Jun 11, 10:31 AM EDTFlash Flood WarningAKQRichmond, Westmoreland3 hr
Jun 11, 10:50 AM EDTAreal Flood AdvisoryAKQWestmoreland3 hr
Jun 11, 10:57 AM EDTSpecial Weather StatementAKQMiddlesex48 min
Jun 11, 11:04 AM EDTFlash Flood WarningAKQRichmond, Westmoreland6 hr
Jun 11, 11:47 AM EDTSpecial Weather StatementAKQRichmond43 min
Jun 11, 12:09 PM EDTFlash Flood WarningAKQNorthumberland, Richmond, Westmoreland5 hr
Jun 11, 12:21 PM EDTAreal Flood AdvisoryAKQLancaster114 min
Jun 11, 12:52 PM EDTFlash Flood WarningAKQLancaster, Northumberland, Richmond4 hr
Jun 11, 1:17 PM EDTFlash Flood Warning Considerable damage threatAKQWestmoreland4 hr
Jun 11, 1:22 PM EDTFlash Flood WarningAKQRichmond, Westmoreland4 hr
Jun 11, 2:13 PM EDTFlash Flood Warning Considerable damage threatAKQRichmond, Westmoreland7 hr
Jun 11, 2:24 PM EDTFlash Flood Warning Considerable damage threatAKQNorthumberland, Richmond3 hr
Jun 11, 3:03 PM EDTFlash Flood Warning Considerable damage threatAKQLancaster, Northumberland3 hr
Jun 11, 3:10 PM EDTAreal Flood AdvisoryAKQChesterfield, Hanover, Henrico, City of Richmond80 min
Jun 11, 3:22 PM EDTCoastal Flood StatementAKQAccomack14 hr
Jun 11, 3:22 PM EDTCoastal Flood AdvisoryAKQNorthumberland, Westmoreland15 hr
Jun 11, 3:40 PM EDTFlash Flood WarningAKQHenrico, City of Richmond110 min
Jun 11, 3:50 PM EDTSpecial Weather StatementAKQPrince Edward40 min
Jun 11, 4:16 PM EDTAreal Flood AdvisoryAKQKing and Queen, King William119 min
Jun 11, 4:16 PM EDTAreal Flood AdvisoryAKQCumberland, Prince Edward119 min
Jun 11, 4:20 PM EDTAreal Flood AdvisoryAKQChesterfield, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg115 min
Jun 11, 4:21 PM EDTSpecial Weather StatementAKQCity of Colonial Heights, City of Hopewell39 min
Jun 11, 4:26 PM EDTSpecial Weather StatementAKQGloucester, Mathews, Middlesex49 min
Jun 11, 4:50 PM EDTSpecial Weather StatementAKQJames City, New Kent40 min
Jun 11, 4:52 PM EDTAreal Flood WarningAKQRichmond, Westmoreland4 hr
Jun 11, 4:53 PM EDTAreal Flood WarningAKQLancaster, Northumberland4 hr
Jun 11, 5:00 PM EDTSpecial Weather StatementAKQPrince George, City of Hopewell, City of Petersburg45 min
Jun 11, 5:20 PM EDTSpecial Weather StatementAKQNottoway40 min
Jun 11, 5:41 PM EDTSpecial Weather StatementAKQJames City, City of Williamsburg49 min
Jun 11, 5:47 PM EDTSpecial Weather StatementAKQCharles City43 min
Jun 11, 5:49 PM EDTAreal Flood AdvisoryAKQDinwiddie, Nottoway116 min
Jun 11, 6:00 PM EDTAreal Flood AdvisoryAKQCharles City, James City, New Kent, Prince George3 hr
Jun 11, 6:24 PM EDTSevere Thunderstorm WarningAKQJames City, Surry30 min
Jun 11, 6:26 PM EDTSpecial Marine WarningAKQ64 min
Jun 11, 6:55 PM EDTSpecial Weather StatementAKQSurry50 min
Jun 11, 6:57 PM EDTSpecial Marine WarningAKQ63 min
Jun 11, 7:10 PM EDTAreal Flood AdvisoryAKQSurry, Sussex2 hr
Jun 11, 7:27 PM EDTSpecial Weather StatementAKQIsle of Wight48 min
Jun 11, 7:45 PM EDTAreal Flood AdvisoryAKQIsle of Wight, Southampton2 hr
Jun 11, 7:51 PM EDTFlash Flood WarningAKQIsle of Wight, Southampton, Surry114 min

Nearby

Flash Flood Warnings in Virginia, 2021Every 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.