Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 35, NWS Wakefield, VA

July 26, 2021Amelia County, Chesterfield County, Dinwiddie County, Virginia

NWS Wakefield, VA issued this flash flood warning at Jul 26, 2021, 5:06 PM EDT for Amelia County, Chesterfield County, Dinwiddie County, Virginia. It was in force for 3 hr. 3 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
Jul 26, 2021, 5:06 PM EDT (21:06 UTC)
Expired
Jul 26, 2021, 8:00 PM EDT
In force
3 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties Amelia County, VA, Chesterfield County, VA, Dinwiddie County, VA

The radar

The Norfolk radar (KAKQ), 61 km from the middle of the area, began a volume at 21:08 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
Jul 26, 5:15 PM EDTFLASH FLOODWinterpock, VAWATER HAS BREACHED SOME SHALLOW DITCHES AND STARTED COVERING SECTIONS OF BEACH RD AND RIVERWAY RD NEAR WINTERPOCK.
Jul 26, 6:00 PM EDTFLASH FLOOD4 Sw Beach, VAWATER COVERING RIVER ROAD VA-602 AT SECOND BRANCH RD.
Jul 26, 6:56 PM EDTFLASH FLOOD1 Nne Winterpock, VAROUTE 664 CLOSED DUE TO HIGH WATER.

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 9.1 hours before the alert went out and 169 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, Roanoke, VA at 12:00Z on 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 658 joules per kilogram.LCLLFCEL10008507005003002001001 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, Roanoke, VA at 12:00Z on 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.193958Sfc1 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
658 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

186 
WGUS51 KAKQ 262106
FFWAKQ
VAC007-041-053-270000-
/O.NEW.KAKQ.FF.W.0035.210726T2106Z-210727T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wakefield VA
506 PM EDT Mon Jul 26 2021

The National Weather Service in Wakefield has issued a

* Flash Flood Warning for...
  East Central Amelia County in central Virginia...
  Southwestern Chesterfield County in central Virginia...
  Northeastern Dinwiddie County in south central Virginia...

* Until 800 PM EDT.

* At 506 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2.5 inches of 
  rain have fallen. The expected rainfall rate is 2 inches in 1 
  hour. 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...
  Petersburg, Virginia State University, Matoaca, Ettrick, 
  Winterpock and Addison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3740 7776 3733 7757 3731 7753 3724 7742
      3722 7744 3722 7745 3719 7748 3721 7756
      3725 7768 3733 7783

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1.5-2 INCHES IN 1 HOUR

$$
1 follow-up statement
329 
WGUS71 KAKQ 262353
FFSAKQ

Flash Flood Statement
National Weather Service Wakefield VA
753 PM EDT Mon Jul 26 2021

VAC007-041-053-270003-
/O.EXP.KAKQ.FF.W.0035.000000T0000Z-210727T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Amelia VA-Chesterfield VA-Dinwiddie VA-
753 PM EDT Mon Jul 26 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING FOR EAST 
CENTRAL AMELIA, SOUTHWESTERN CHESTERFIELD AND NORTHEASTERN DINWIDDIE 
COUNTIES...

Heavy rain has ended, flood waters have receded, and flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 3740 7776 3733 7757 3731 7753 3724 7742
      3722 7744 3722 7745 3719 7748 3721 7756
      3725 7768 3733 7783

$$

05

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 3:15 AM EDTFlash Flood WatchAKQCharles City, Chesterfield, Dinwiddie, Greensville, Henrico, James City and 18 more19 hr
Jul 26, 1:48 PM EDTSpecial Weather StatementAKQHanover27 min
Jul 26, 2:14 PM EDTSpecial Weather StatementAKQHanover31 min
Jul 26, 2:24 PM EDTSpecial Weather StatementAKQKing and Queen51 min
Jul 26, 2:25 PM EDTSevere Thunderstorm WarningAKQHanover, Henrico, New Kent50 min
Jul 26, 2:40 PM EDTAreal Flood AdvisoryAKQChesterfield, City of Richmond2 hr
Jul 26, 2:59 PM EDTSevere Thunderstorm WarningAKQCharles City, Chesterfield, Henrico, New Kent, City of Richmond46 min
Jul 26, 3:10 PM EDTSpecial Weather StatementAKQKing and Queen50 min
Jul 26, 3:39 PM EDTSevere Thunderstorm WarningAKQCharles City, James City, New Kent, Prince George, Surry, Sussex and 1 more51 min
Jul 26, 3:45 PM EDTAreal Flood AdvisoryAKQChesterfield, Henrico, Prince George, City of Colonial Heights, City of Hopewell3 hr
Jul 26, 4:02 PM EDTFlash Flood WarningAKQChesterfield, Prince George, City of Colonial Heights, City of Hopewell3 hr
Jul 26, 4:05 PM EDTSpecial Marine WarningAKQ55 min
Jul 26, 4:10 PM EDTSpecial Weather StatementAKQPrince Edward50 min
Jul 26, 4:14 PM EDTSevere Thunderstorm WarningAKQChesterfield, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg31 min
Jul 26, 4:23 PM EDTSevere Thunderstorm WarningAKQSussex37 min
Jul 26, 4:27 PM EDTFlash Flood WarningAKQPrince George, City of Petersburg3 hr
Jul 26, 4:33 PM EDTSevere Thunderstorm WarningAKQIsle of Wight, James City, Southampton, Surry, Sussex, City of Hampton and 1 more42 min
Jul 26, 4:34 PM EDTSpecial Weather StatementAKQChesterfield41 min
Jul 26, 4:51 PM EDTAreal Flood AdvisoryAKQAmelia, Chesterfield2 hr
Jul 26, 4:53 PM EDTAreal Flood AdvisoryAKQCharles City, James City, York, City of Williamsburg112 min
Jul 26, 5:04 PM EDTSpecial Weather StatementAKQIsle of Wight, Southampton, Sussex41 min
Jul 26, 5:05 PM EDTAreal Flood AdvisoryAKQIsle of Wight, Southampton, Surry, Sussex3 hr
Jul 26, 5:45 PM EDTSpecial Weather StatementAKQIsle of Wight, Southampton, City of Chesapeake, City of Franklin, City of Portsmouth, City of Suffolk45 min
Jul 26, 5:52 PM EDTAreal Flood AdvisoryAKQIsle of Wight, Southampton, City of Franklin, City of Suffolk3 hr
Jul 26, 6:30 PM EDTSpecial Weather StatementAKQSouthampton, City of Chesapeake, City of Franklin, City of Portsmouth, City of Suffolk45 min
Jul 26, 6:55 PM EDTAreal Flood AdvisoryAKQSouthampton, City of Suffolk3 hr

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.