Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 29, NWS Wakefield, VA

July 8, 2021Lunenburg County, Virginia

NWS Wakefield, VA issued this flash flood warning at Jul 8, 2021, 5:45 PM EDT for Lunenburg County, Virginia. It was in force for 3 hr. 1 report 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 8, 2021, 5:45 PM EDT (21:45 UTC)
Expired
Jul 8, 2021, 9:01 PM EDT
In force
3 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

County Lunenburg County, VA

The radar

The Norfolk radar (KAKQ), 114 km from the middle of the area, began a volume at 21:48 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 8, 6:30 PM EDTFLASH FLOODArvins Store, VANUMEROUS ROADS CLOSED OR WASHED OUT DUE TO HIGH WATER ACROSS THE NW PART OF LUNENBURG COUNTY INCLUDING CRYMES RD, KINGS RD, FALLS RD, AND OTHERS. TIME ESTIMATED.

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, 9.8 hours before the alert went out and 109 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 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 243 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 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
243 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1038 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

202 
WGUS51 KAKQ 082145
FFWAKQ
VAC111-090200-
/O.NEW.KAKQ.FF.W.0029.210708T2145Z-210709T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wakefield VA
545 PM EDT Thu Jul 8 2021

The National Weather Service in Wakefield has issued a

* Flash Flood Warning for...
  Northwestern Lunenburg County in south central Virginia...

* Until 1000 PM EDT.

* At 545 PM EDT, Doppler radar and automated rain gauges indicated 
  heavy rain falling across the warned area. Between 2 and 3 inches 
  of rain have fallen. Additional rainfall amounts of 1.5 to 3 
  inches are possible in the warned area. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Radar and automated gauges.

  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...
  Arvins Store, Pleasant Grove, Nutbush, Blevins Corner and 
  Rubermount.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3707 7819 3695 7837 3695 7847 3710 7835
      3710 7831 3710 7828 3711 7827 3712 7824
      3711 7823 3709 7823

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

JM
1 follow-up statement
330 
WGUS71 KAKQ 090101 RRA
FFSAKQ

Flash Flood Statement
National Weather Service Wakefield VA
901 PM EDT Thu Jul 8 2021

VAC111-090111-
/O.CAN.KAKQ.FF.W.0029.000000T0000Z-210709T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lunenburg VA-
901 PM EDT Thu Jul 8 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN LUNENBURG 
COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.



LAT...LON 3707 7819 3695 7837 3695 7847 3710 7835
      3710 7831 3710 7828 3711 7827 3712 7824
      3711 7823 3709 7823

$$

JM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 11:21 PM EDTTropical Storm WarningAKQAccomack, Gloucester, Lancaster, Mathews, Middlesex, Northampton and 8 more27 hr
Jul 8, 6:31 AM EDTCoastal Flood AdvisoryAKQAccomack, Northampton, City of Virginia Beach27 hr
Jul 8, 3:55 PM EDTTornado WarningAKQSouthampton35 min
Jul 8, 4:00 PM EDTTornado WarningAKQIsle of Wight, Southampton, City of Franklin, City of Suffolk30 min
Jul 8, 4:37 PM EDTAreal Flood AdvisoryAKQBrunswick, Lunenburg, Mecklenburg3 hr
Jul 8, 5:20 PM EDTFlash Flood WarningAKQBrunswick4 hr
Jul 8, 5:35 PM EDTBeach Hazards StatementAKQAccomack, Northampton26 hr
Jul 8, 5:35 PM EDTAreal Flood AdvisoryAKQBrunswick, Dinwiddie, Lunenburg, Nottoway3 hr
Jul 8, 5:39 PM EDTTornado WarningAKQCity of Chesapeake, City of Suffolk36 min
Jul 8, 6:17 PM EDTTornado WarningAKQIsle of Wight, Surry, City of Newport News, City of Suffolk14 min
Jul 8, 6:21 PM EDTSpecial Marine WarningAKQ11 min
Jul 8, 6:23 PM EDTAreal Flood AdvisoryAKQAmelia, Dinwiddie, Nottoway, Prince Edward3 hr
Jul 8, 6:43 PM EDTTornado WarningAKQCity of Suffolk32 min
Jul 8, 6:48 PM EDTAreal Flood AdvisoryAKQAmelia, Chesterfield, Dinwiddie, Greensville, Prince George, Surry and 5 more4 hr
Jul 8, 7:06 PM EDTTornado WarningAKQIsle of Wight, City of Suffolk24 min
Jul 8, 7:30 PM EDTRiver Flood WarningAKQLunenburg9 hr
Jul 8, 7:39 PM EDTSpecial Marine WarningAKQ36 min
Jul 8, 7:40 PM EDTAreal Flood AdvisoryAKQCharles City, Chesterfield, Goochland, Hanover, Henrico, James City and 8 more4 hr
Jul 8, 7:49 PM EDTFlash Flood Warning Considerable damage threatAKQCharles City, Chesterfield, Dinwiddie, Henrico, Prince George, City of Colonial Heights and 2 more6 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.