Alert archive / Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 44, NWS Wakefield, VA
NWS Wakefield, VA issued this flash flood warning at Aug 15, 2021, 4:56 PM EDT for 4 counties in Virginia. It was in force for 3 hr. 4 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
- Aug 15, 2021, 4:56 PM EDT (20:56 UTC)
- Expired
- Aug 15, 2021, 8:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Wakefield, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chesterfield County, VA, City of Richmond, VA, Hanover County, VA, Henrico County, VA
The radar
The Norfolk radar (KAKQ), 76 km from the middle of the area, began a volume at 20:59 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 |
|---|---|---|---|
| Aug 15, 5:03 PM EDT | FLASH FLOOD | 2 Nnw Downtown Richmond, VA | ELLWOOD AVE CLOSED NEAR N HAMILTON ST DUE TO FLASH FLOODING. |
| Aug 15, 5:04 PM EDT | FLASH FLOOD | 3 N Downtown Richmond, VA | MONUMENT AVE NEAR KENT RD CLOSED DUE TO FLASH FLOODING. |
| Aug 15, 5:05 PM EDT | FLASH FLOOD | 2 Sse Dumbarton, VA | 2 SWIFT WATER RESCUES WERE REPORTED TO BE UNDERWAY ALONG THE 4000 BLOCK OF WEST BROAD ST. |
| Aug 15, 5:05 PM EDT | FLASH FLOOD | 3 E Roslyn Hills, VA | ROAD CLOSED DUE TO FLASH FLOODING. |
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 152 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1116 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
711
WGUS51 KAKQ 152056
FFWAKQ
VAC041-085-087-760-160000-
/O.NEW.KAKQ.FF.W.0044.210815T2056Z-210816T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wakefield VA
456 PM EDT Sun Aug 15 2021
The National Weather Service in Wakefield has issued a
* Flash Flood Warning for...
North Central Chesterfield County in central Virginia...
South Central Hanover County in central Virginia...
Central Henrico County in central Virginia...
The City of Richmond in central Virginia...
* Until 800 PM EDT.
* At 456 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2 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 Union University, Virginia Commonwealth
University, Downtown Richmond, University Of Richmond,
Mechanicsville, Highland Springs, Bon Air, Tuckahoe, East Highland
Park, Lakeside, Montrose, Chamberlayne, Greendale, Dumbarton and
Roslyn Hills.
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.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3757 7759 3761 7754 3762 7750 3762 7746
3764 7743 3764 7740 3764 7730 3763 7728
3762 7728 3758 7730 3755 7730 3747 7741
3746 7753 3748 7758
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:13 PM EDT | Special Weather Statement | AKQ | Southampton, City of Franklin | 47 min |
| Aug 14, 8:32 PM EDT | Special Weather Statement | AKQ | Goochland | 43 min |
| Aug 14, 8:34 PM EDT | Special Marine Warning | AKQ | 56 min | |
| Aug 14, 9:17 PM EDT | Special Weather Statement | AKQ | Amelia, Cumberland, Goochland, Powhatan | 43 min |
| Aug 14, 10:01 PM EDT | Areal Flood Advisory | AKQ | Hanover, King William | 119 min |
| Aug 14, 10:46 PM EDT | Flash Flood Warning | AKQ | Hanover | 2 hr |
| Aug 14, 10:59 PM EDT | Areal Flood Advisory | AKQ | Hanover, Henrico | 2 hr |
| Aug 15, 2:45 PM EDT | Special Weather Statement | AKQ | City of Chesapeake | 45 min |
| Aug 15, 3:20 PM EDT | Special Weather Statement | AKQ | City of Chesapeake, City of Suffolk | 40 min |
| Aug 15, 3:44 PM EDT | Special Marine Warning | AKQ | 91 min | |
| Aug 15, 4:41 PM EDT | Special Weather Statement | AKQ | King William, City of Richmond | 64 min |
| Aug 15, 4:45 PM EDT | Areal Flood Advisory | AKQ | Chesterfield, Hanover, Henrico, City of Richmond | 2 hr |
| Aug 15, 4:48 PM EDT | Special Weather Statement | AKQ | Greensville, City of Emporia | 42 min |
| Aug 15, 5:13 PM EDT | Flash Flood Warning | AKQ | Hanover, Henrico, City of Richmond | 5 hr |
| Aug 15, 5:38 PM EDT | Special Weather Statement | AKQ | Brunswick, Dinwiddie, Greensville, City of Emporia | 52 min |
| Aug 15, 5:52 PM EDT | Areal Flood Advisory | AKQ | Greensville, Sussex | 3 hr |
| Aug 15, 6:16 PM EDT | Special Weather Statement | AKQ | Gloucester, James City, New Kent, City of Williamsburg | 59 min |
| Aug 15, 6:34 PM EDT | Areal Flood Advisory | AKQ | Charles City, James City, King and Queen, King William, New Kent | 3 hr |
| Aug 15, 6:50 PM EDT | Special Weather Statement | AKQ | Charles City, Henrico, City of Colonial Heights, City of Hopewell, City of Petersburg | 55 min |
| Aug 15, 7:00 PM EDT | Areal Flood Advisory | AKQ | Chesterfield, Dinwiddie | 3 hr |
| Aug 15, 7:20 PM EDT | Areal Flood Advisory | AKQ | Charles City, Chesterfield, Prince George, City of Colonial Heights, City of Hopewell | 26 min |
| Aug 15, 7:44 PM EDT | Flash Flood Warning | AKQ | Charles City, Chesterfield, Prince George, City of Colonial Heights, City of Hopewell | 3 hr |
| Aug 15, 7:54 PM EDT | Areal Flood Advisory | AKQ | Chesterfield | 11 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.