Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 73, NWS Charleston, WV

July 1, 2021Buchanan County, Dickenson County, Virginia

NWS Charleston, WV issued this flash flood warning at Jul 1, 2021, 2:44 PM EDT for Buchanan County, Dickenson County, Virginia. It was in force for 3 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 1, 2021, 2:44 PM EDT (18:44 UTC)
Expired: Jul 1, 2021, 5:45 PM EDT
In force: 3 hr
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

Counties Buchanan County, VA, Dickenson County, VA

The radar

The Charleston,WV radar (KRLX), 113 km from the middle of the area, began a volume at 18:47 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, 6.7 hours before the alert went out and 228 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: 312 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 989 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

278 
WGUS51 KRLX 011844
FFWRLX
VAC027-051-012145-
/O.NEW.KRLX.FF.W.0073.210701T1844Z-210701T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
244 PM EDT Thu Jul 1 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Northern Buchanan County in southwestern Virginia...
  Northeastern Dickenson County in southwestern Virginia...

* Until 545 PM EDT.

* At 244 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 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...
  Grundy, Haysi, Breaks Interstate, Big Rock, Vansant, Roseann, 
  Stacy and Hurley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report Severe Weather to the National Weather Service by 
calling toll free, 800 401 9535, when you can do so safely. You may 
also report severe weather by posting your report to the Charleston 
West Virginia National Weather Service Facebook Page, or by using 
the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3750 8202 3739 8193 3738 8194 3736 8193
      3734 8190 3733 8190 3733 8188 3732 8187
      3711 8226 3727 8235 3728 8234 3728 8232
      3730 8231

FLASH FLOOD...RADAR INDICATED

$$

TRM

1 follow-up statement

442 
WGUS71 KRLX 012138
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
538 PM EDT Thu Jul 1 2021

VAC027-051-012148-
/O.EXP.KRLX.FF.W.0073.000000T0000Z-210701T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Buchanan VA-Dickenson VA-
538 PM EDT Thu Jul 1 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 545 PM EDT THIS AFTERNOON FOR 
NORTHERN BUCHANAN AND NORTHEASTERN DICKENSON COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

A Flash Flood Watch remains in effect until 800 AM EDT Friday for 
portions of northeast Kentucky, southwest Virginia and West Virginia.

LAT...LON 3750 8202 3739 8193 3738 8194 3736 8193
      3734 8190 3733 8190 3733 8188 3732 8187
      3711 8226 3727 8235 3728 8234 3728 8232
      3730 8231

$$

JLB

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 2:05 PM EDT	Special Weather Statement	RLX	Buchanan, Dickenson	25 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.