Alert archive / Virginia / Flash Flood Warnings in 2018

Flash Flood Warning 13, NWS Wakefield, VA

June 3, 2018Northumberland County, Westmoreland County, Virginia

NWS Wakefield, VA issued this flash flood warning at Jun 3, 2018, 8:30 AM EDT for Northumberland County, Westmoreland 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
Jun 3, 2018, 8:30 AM EDT (12:30 UTC)
Expired
Jun 3, 2018, 11:30 AM EDT
In force
3 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties Northumberland County, VA, Westmoreland County, VA

The radar

The Sterling radar (KLWX), 125 km from the middle of the area, began a volume at 12:33 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
Jun 3, 10:30 AM EDTFLASH FLOODHague, VAMUDSLIDE REPORTED BY EM IN EASTERN WESTMORELAND COUNTY.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 0.5 hours before the alert went out and 108 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, Wallops Is Stn, VA at 12:00Z on 2018-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 892 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, Wallops Is Stn, VA at 12:00Z on 2018-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939Sfc1 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
892 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

098 
WGUS51 KAKQ 031230
FFWAKQ
VAC133-193-031530-
/O.NEW.KAKQ.FF.W.0013.180603T1230Z-180603T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wakefield VA
830 AM EDT SUN JUN 3 2018

The National Weather Service in Wakefield has issued a

* Flash Flood Warning for...
  Northwestern Northumberland County in eastern Virginia...
  Southeastern Westmoreland County in east central Virginia...

* Until 1130 AM EDT.

* At 829 AM EDT, Doppler radar and automated rain gauges indicated
  thunderstorms producing heavy rain across the warned area. Up to
  three inches of rain have already fallen. Flash flooding is
  expected to begin shortly.

* Some locations that will experience flooding include...
  Kinsale, Coles Point, Hague, Westmoreland, Currioman Landing, Mount
  Holly, Gibeon, Sandy Point, Erica, Kremlin and Oldhams.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3815 7661 3811 7660 3807 7653 3806 7653
      3805 7652 3803 7652 3802 7650 3796 7662
      3797 7663 3797 7664 3816 7685 3817 7681
      3817 7676

$$

BROWN
2 follow-up statements
341 
WGUS71 KAKQ 031430
FFSAKQ

Flash Flood Statement
National Weather Service Wakefield VA
1030 AM EDT SUN JUN 3 2018

VAC133-193-031530-
/O.CON.KAKQ.FF.W.0013.000000T0000Z-180603T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northumberland VA-Westmoreland VA-
1030 AM EDT SUN JUN 3 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT FOR
NORTHWESTERN NORTHUMBERLAND AND SOUTHEASTERN WESTMORELAND COUNTIES...

At 1027 AM EDT, Doppler radar and automated rain gauges indicated 
that heavy rain is still falling over portions of the area, though 
the recent trend is for the rain to diminish in coverage and 
intensity. In excess of three inches of rain have already fallen. 
Localized areas of flash flooding are already occurring and will 
continue.

Some locations that will experience flooding include...
Kinsale, Coles Point, Hague, Westmoreland, Currioman Landing, Mount
Holly, Gibeon, Sandy Point, Erica, Kremlin and Oldhams.

Additional rainfall amounts of up to one half are possible in the 
warned area through 1130 am EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3815 7661 3811 7660 3807 7653 3806 7653
      3805 7652 3803 7652 3802 7650 3796 7662
      3797 7663 3797 7664 3816 7685 3817 7681
      3817 7676

$$

BROWN
278 
WGUS71 KAKQ 031534
FFSAKQ

Flash Flood Statement
National Weather Service Wakefield VA
1134 AM EDT SUN JUN 3 2018

VAC133-193-031542-
/O.EXP.KAKQ.FF.W.0013.000000T0000Z-180603T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northumberland VA-Westmoreland VA-
1134 AM EDT SUN JUN 3 2018

...THE FLASH FLOOD WARNING FOR NORTHWESTERN NORTHUMBERLAND AND
SOUTHEASTERN WESTMORELAND COUNTIES HAS EXPIRED...

Flash Flood waters have slowly receded, however, areas of flooding 
and road closures will continue. Therefore, an areal flood warning 
has been issued in this area through this evening. Please continue 
to heed any remaining road closures.

LAT...LON 3815 7661 3811 7660 3807 7653 3806 7653
      3805 7652 3803 7652 3802 7650 3796 7662
      3797 7663 3797 7664 3816 7685 3817 7681
      3817 7676

$$

BROWN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 8:12 PM EDTAreal Flood AdvisoryAKQGloucester, Lancaster, Mathews, Middlesex, Northumberland3 hr
Jun 2, 8:57 PM EDTAreal Flood AdvisoryAKQChesterfield, Goochland, Henrico, Powhatan, City of Richmond3 hr
Jun 2, 10:52 PM EDTSpecial Weather StatementAKQEssex, Henrico, King William53 min
Jun 2, 11:49 PM EDTSpecial Weather StatementAKQCaroline, Hanover41 min
Jun 3, 12:54 AM EDTSpecial Weather StatementAKQCharles City, Henrico, City of Colonial Heights, City of Hopewell51 min
Jun 3, 1:12 AM EDTAreal Flood AdvisoryAKQCharles City, Chesterfield, Henrico, New Kent, Prince George, City of Colonial Heights and 1 more3 hr
Jun 3, 1:43 AM EDTSpecial Weather StatementAKQGloucester47 min
Jun 3, 2:13 AM EDTFlash Flood WarningAKQCharles City, James City, New Kent3 hr
Jun 3, 2:41 AM EDTSpecial Weather StatementAKQMiddlesex49 min
Jun 3, 3:09 AM EDTAreal Flood AdvisoryAKQGloucester, King and Queen, King William, Middlesex, New Kent3 hr
Jun 3, 3:27 AM EDTSpecial Weather StatementAKQChesterfield, Henrico, City of Colonial Heights, City of Petersburg, City of Richmond63 min
Jun 3, 3:38 AM EDTSpecial Weather StatementAKQLancaster52 min
Jun 3, 4:38 AM EDTSpecial Weather StatementAKQKing and Queen, Lancaster, Richmond52 min
Jun 3, 4:46 AM EDTSpecial Weather StatementAKQChesterfield, Henrico, King William, City of Colonial Heights, City of Hopewell, City of Richmond59 min
Jun 3, 5:01 AM EDTAreal Flood AdvisoryAKQEssex, King and Queen, King William, Richmond3 hr
Jun 3, 5:14 AM EDTAreal Flood WarningAKQCharles City, James City, New Kent12 hr
Jun 3, 5:27 AM EDTAreal Flood AdvisoryAKQLancaster, Northumberland, Richmond3 hr
Jun 3, 5:53 AM EDTFlash Flood WarningAKQEssex3 hr
Jun 3, 7:04 AM EDTSpecial Weather StatementAKQWestmoreland56 min
Jun 3, 7:49 AM EDTAreal Flood AdvisoryAKQNorthumberland, Westmoreland3 hr
Jun 3, 8:22 AM EDTFlash Flood WarningAKQCaroline, Essex3 hr
Jun 3, 11:30 AM EDTAreal Flood WarningAKQLancaster, Northumberland, Richmond, Westmoreland12 hr
Jun 3, 11:50 AM EDTAreal Flood WarningAKQEssex, Hanover, King and Queen, King William, Lancaster, Middlesex and 3 more12 hr
Jun 3, 1:46 PM EDTAreal Flood AdvisoryAKQGloucester, Lancaster, Middlesex3 hr
Jun 3, 3:45 PM EDTAreal Flood AdvisoryAKQGloucester, Mathews, Middlesex3 hr
Jun 3, 5:38 PM EDTAreal Flood WarningAKQCharles City, James City, New Kent6 hr

Nearby

Flash Flood Warnings in Virginia, 2018Every flash flood warning in 2018

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.