Alert archive / Virginia / Flash Flood Warnings in 2006

Flash Flood Warning 21, NWS Wakefield, VA

July 5, 2006Amelia County, Chesterfield County, Virginia

NWS Wakefield, VA issued this flash flood warning at Jul 5, 2006, 6:25 PM EDT for Amelia County, Chesterfield County, Virginia. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 5, 2006, 6:25 PM EDT (22:25 UTC)
Expired: Jul 5, 2006, 8:30 PM EDT
In force: 2 hr
Issued by: NWS Wakefield, VA
Area: Counties, with a storm outline in the text

Counties Amelia County, VA, Chesterfield County, VA

The radar

The Norfolk radar (KAKQ), 86 km from the middle of the area, began a volume at 22:28 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.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 10.4 hours before the alert went out and 149 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: 353 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 877 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KAKQ 052226
FFWAKQ
VAC007-041-060030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
625 PM EDT WED JUL 5 2006

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  AMELIA COUNTY IN CENTRAL VIRGINIA
  CHESTERFIELD COUNTY IN CENTRAL VIRGINIA

* UNTIL 830 PM EDT

* AT 624 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR AMELIA COURTHOUSE...OR
  ABOUT OVER AMELIA COURTHOUSE...MOVING NORTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SCOTTS FORK...MOSELEY...JETERSVILLE...CHULA AND CHESTER.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3732 7822 3724 7793 3731 7738 3744 7749
      3754 7761 3750 7770 3739 7788 3746 7802

$$

SMF/ALS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 8:04 PM EDT	Severe Thunderstorm Warning	AKQ	Lunenburg	26 min
Jul 4, 9:58 PM EDT	Special Marine Warning	AKQ		62 min
Jul 5, 5:06 AM EDT	Flash Flood Watch	AKQ	Accomack, Amelia, Brunswick, Caroline, Charles City, Cumberland and 30 more	36 hr
Jul 5, 4:13 PM EDT	Flash Flood Warning	AKQ	Nottoway	2 hr
Jul 5, 4:20 PM EDT	Flash Flood Warning	AKQ	Louisa	115 min
Jul 5, 5:26 PM EDT	Flash Flood Warning	AKQ	Greensville, Sussex, City of Emporia	2 hr
Jul 5, 5:49 PM EDT	Flash Flood Warning	AKQ	Surry	3 hr
Jul 5, 5:55 PM EDT	Special Marine Warning	AKQ		65 min
Jul 5, 6:52 PM EDT	Special Marine Warning	AKQ		83 min

Nearby

Flash Flood Warnings in Virginia, 2006 Every flash flood warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.