Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 33, NWS Wakefield, VA

July 26, 20214 counties in Virginia

NWS Wakefield, VA issued this flash flood warning at Jul 26, 2021, 4:02 PM EDT for 4 counties in 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, 4:02 PM EDT (20:02 UTC)
Expired: Jul 26, 2021, 7:00 PM EDT
In force: 3 hr
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Flood severity: None

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

The radar

The Norfolk radar (KAKQ), 47 km from the middle of the area, began a volume at 20:02 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
Jul 26, 4:36 PM EDT	FLASH FLOOD	1 Ene Colonial Heights, VA	NEARLY ONE FOOT OF WATER COVERING CONDUIT ROAD NEAR COLONIAL HEIGHTS HIGH SCHOOL.
Jul 26, 4:42 PM EDT	FLASH FLOOD	1 Sw Colonial Heights, VA	NWS EMPLOYEE REPORTS 2.5 FEET OF WATER ON EASTBOUND OF TEMPLE AVENUE.
Jul 26, 5:17 PM EDT	FLASH FLOOD	3 Ene Colonial Heights, VA	WATER ON RIVER ROAD IN PRINCE GEORGE COUNTY.

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, 8.0 hours before the alert went out and 182 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: 448 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1196 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

848 
WGUS51 KAKQ 262002
FFWAKQ
VAC041-149-570-670-262300-
/O.NEW.KAKQ.FF.W.0033.210726T2002Z-210726T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wakefield VA
402 PM EDT Mon Jul 26 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...
  Northwestern Prince George County in south central Virginia...
  The City of Hopewell in south central Virginia...

* Until 700 PM EDT.

* At 402 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 2 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...
  Hopewell, Colonial Heights, Fort Lee, Chester, Ettrick, Birchett 
  Estate and Jordan Point Country Club.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3724 7741 3732 7751 3739 7739 3738 7736
      3736 7731 3735 7729 3734 7727 3732 7727
      3731 7725 3732 7723 3726 7722 3725 7738

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

$$

Zimmerman

2 follow-up statements

336 
WGUS71 KAKQ 262041
FFSAKQ

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

VAC041-149-570-670-262300-
/O.CON.KAKQ.FF.W.0033.000000T0000Z-210726T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chesterfield VA-Prince George VA-City of Colonial Heights VA-City of
Hopewell VA-
441 PM EDT Mon Jul 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING 
FOR SOUTHEASTERN CHESTERFIELD AND NORTHWESTERN PRINCE GEORGE 
COUNTIES AND THE CITY OF COLONIAL HEIGHTS AND THE CITY OF HOPEWELL...

At 441 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Up to 3 inches of rain have fallen. 
Additional rainfall amounts up to 1 inch are possible in portions of 
the warned area. Flash flooding is ongoing.

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...
  Hopewell, Colonial Heights, Fort Lee, Chester, Ettrick, Birchett 
  Estate and Jordan Point Country Club.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3724 7741 3732 7751 3739 7739 3738 7736
      3736 7731 3735 7729 3734 7727 3732 7727
      3731 7725 3732 7723 3726 7722 3725 7738

FLASH FLOOD...RADAR INDICATED

$$

Zimmerman

155 
WGUS71 KAKQ 262258
FFSAKQ

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

VAC041-149-570-670-262308-
/O.EXP.KAKQ.FF.W.0033.000000T0000Z-210726T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chesterfield VA-Prince George VA-City of Colonial Heights VA-City of
Hopewell VA-
658 PM EDT Mon Jul 26 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING FOR 
SOUTHEASTERN CHESTERFIELD AND NORTHWESTERN PRINCE GEORGE COUNTIES 
AND THE CITY OF COLONIAL HEIGHTS AND THE CITY OF HOPEWELL...

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

A Flash Flood Watch remains in effect until 1100 PM EDT for portions 
of central Virginia, east central Virginia, south central Virginia 
and southeast Virginia.

LAT...LON 3724 7741 3732 7751 3739 7739 3738 7736
      3736 7731 3735 7729 3734 7727 3732 7727
      3731 7725 3732 7723 3726 7722 3725 7738

$$

Zimmerman

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 3:15 AM EDT	Flash Flood Watch	AKQ	Charles City, Chesterfield, Dinwiddie, Greensville, Henrico, James City and 18 more	19 hr
Jul 26, 1:48 PM EDT	Special Weather Statement	AKQ	Hanover	27 min
Jul 26, 2:14 PM EDT	Special Weather Statement	AKQ	Hanover	31 min
Jul 26, 2:24 PM EDT	Special Weather Statement	AKQ	King and Queen	51 min
Jul 26, 2:25 PM EDT	Severe Thunderstorm Warning	AKQ	Hanover, Henrico, New Kent	50 min
Jul 26, 2:40 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, City of Richmond	2 hr
Jul 26, 2:59 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Chesterfield, Henrico, New Kent, City of Richmond	46 min
Jul 26, 3:10 PM EDT	Special Weather Statement	AKQ	King and Queen	50 min
Jul 26, 3:39 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, James City, New Kent, Prince George, Surry, Sussex and 1 more	51 min
Jul 26, 3:45 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Henrico, Prince George, City of Colonial Heights, City of Hopewell	3 hr
Jul 26, 4:05 PM EDT	Special Marine Warning	AKQ		55 min
Jul 26, 4:10 PM EDT	Special Weather Statement	AKQ	Prince Edward	50 min
Jul 26, 4:14 PM EDT	Severe Thunderstorm Warning	AKQ	Chesterfield, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg	31 min
Jul 26, 4:23 PM EDT	Severe Thunderstorm Warning	AKQ	Sussex	37 min
Jul 26, 4:27 PM EDT	Flash Flood Warning	AKQ	Prince George, City of Petersburg	3 hr
Jul 26, 4:33 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, James City, Southampton, Surry, Sussex, City of Hampton and 1 more	42 min
Jul 26, 4:34 PM EDT	Special Weather Statement	AKQ	Chesterfield	41 min
Jul 26, 4:51 PM EDT	Areal Flood Advisory	AKQ	Amelia, Chesterfield	2 hr
Jul 26, 4:53 PM EDT	Areal Flood Advisory	AKQ	Charles City, James City, York, City of Williamsburg	112 min
Jul 26, 5:04 PM EDT	Special Weather Statement	AKQ	Isle of Wight, Southampton, Sussex	41 min
Jul 26, 5:05 PM EDT	Areal Flood Advisory	AKQ	Isle of Wight, Southampton, Surry, Sussex	3 hr
Jul 26, 5:06 PM EDT	Flash Flood Warning	AKQ	Amelia, Chesterfield, Dinwiddie	3 hr
Jul 26, 5:45 PM EDT	Special Weather Statement	AKQ	Isle of Wight, Southampton, City of Chesapeake, City of Franklin, City of Portsmouth, City of Suffolk	45 min
Jul 26, 5:52 PM EDT	Areal Flood Advisory	AKQ	Isle of Wight, Southampton, City of Franklin, City of Suffolk	3 hr
Jul 26, 6:30 PM EDT	Special Weather Statement	AKQ	Southampton, City of Chesapeake, City of Franklin, City of Portsmouth, City of Suffolk	45 min
Jul 26, 6:55 PM EDT	Areal Flood Advisory	AKQ	Southampton, City of Suffolk	3 hr

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.