Alert archive / West Virginia / Flash Flood Warnings in 2015

Flash Flood Warning 13, NWS Blacksburg, VA

July 5, 2015Mercer County, West Virginia; Tazewell County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jul 5, 2015, 7:37 PM EDT for Mercer County, West Virginia; Tazewell County, Virginia. It was in force for 6 hr. 2 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 5, 2015, 7:37 PM EDT (23:37 UTC)
Expired: Jul 6, 2015, 1:30 AM EDT
In force: 6 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

Counties Tazewell County, VA, Mercer County, WV

The radar

The Roanoke radar (KFCX), 105 km from the middle of the area, began a volume at 23:39 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 5, 8:38 PM EDT	FLASH FLOOD	5 Nw Bluefield, VA	SPOTTER REPORTS THAT BIG BRANCH CREEK IS OUT OF ITS BANKS ALONG BIG BRANCH RD.
Jul 5, 9:00 PM EDT	FLASH FLOOD	Ese Pocahontas, VA	LAUREL CREEK FLOODED ABOUT HALF OF DOWNTOWN POCAHONTAS

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.6 hours before the alert went out and 170 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: 146 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

711 
WGUS51 KRNK 052337
FFWRNK
VAC185-WVC055-060530-
/O.NEW.KRNK.FF.W.0013.150705T2337Z-150706T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
737 PM EDT SUN JUL 5 2015

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL TAZEWELL COUNTY IN SOUTHWESTERN VIRGINIA...
  WEST CENTRAL MERCER COUNTY IN SOUTHEASTERN WEST VIRGINIA...

* UNTIL 130 AM EDT
    
* AT 736 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE 
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  POCAHONTAS...
  BRAMWELL...
  PINNACLE ROCK STATE PARK...
  BOISSEVAIN...
  AND COALDALE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.

&&

LAT...LON 3725 8148 3727 8145 3727 8142 3732 8139
      3732 8137 3733 8137 3739 8133 3731 8127
      3722 8147 3725 8150

$$

DS

2 follow-up statements

481 
WGUS71 KRNK 060221
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1021 PM EDT SUN JUL 5 2015

VAC185-WVC055-060530-
/O.CON.KRNK.FF.W.0013.000000T0000Z-150706T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-MERCER WV-
1021 PM EDT SUN JUL 5 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR 
NORTH CENTRAL TAZEWELL AND WEST CENTRAL MERCER COUNTIES...

AT 1019 PM EDT...DOPPLER RADAR AND AUTOMATED GAUGES INDICATED HEAVY 
RAIN FROM SEVERAL PERIODS OF SHOWERS AND THUNDERSTORMS ACROSS THE 
WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
POCAHONTAS...
BRAMWELL...
PINNACLE ROCK STATE PARK...
BOISSEVAIN...
AND COALDALE. 

FLASH FLOODING IS EXPECTED ON LAUREL FORK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.

&&

LAT...LON 3725 8148 3727 8145 3727 8142 3732 8139
      3732 8137 3733 8137 3739 8133 3731 8127
      3722 8147 3725 8150

$$

AS

708 
WGUS71 KRNK 060527
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
127 AM EDT MON JUL 6 2015

VAC185-WVC055-060534-
/O.EXP.KRNK.FF.W.0013.000000T0000Z-150706T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-MERCER WV-
127 AM EDT MON JUL 6 2015

...THE FLASH FLOOD WARNING FOR 
NORTH CENTRAL TAZEWELL AND WEST CENTRAL MERCER COUNTIES WILL EXPIRE
AT 130 AM EDT...

FLOOD WATERS ARE SLOWLY RECEDING...BUT WATER COVERED ROADS AND WATER 
IN HOMES ARE STILL BEING REPORTED IN THE POCAHONTAS AREA. PLEASE 
CONTINUE TO HEED ANY ROAD CLOSURES.

THIS FLASH FLOOD WARNING WILL BE REPLACED BY FLOOD WARNING.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.

LAT...LON 3725 8148 3727 8145 3727 8142 3732 8139
      3732 8137 3733 8137 3739 8133 3731 8127
      3722 8147 3725 8150

$$

PH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 4:35 AM EDT	Flash Flood Watch	RNK	Greenbrier, Mercer, Monroe, Summers	25 hr
Jul 5, 6:20 PM EDT	Special Weather Statement	RNK	Mercer	55 min
Jul 5, 7:01 PM EDT	Special Weather Statement	RNK	Mercer	29 min
Jul 5, 7:31 PM EDT	Special Weather Statement	RNK	Mercer	29 min
Jul 4, 11:07 PM EDT	Areal Flood Advisory	RNK	Pittsylvania, City of Danville	3 hr
Jul 5, 2:26 PM EDT	Special Weather Statement	RNK	Carroll	34 min
Jul 5, 2:50 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania, City of Danville	70 min
Jul 5, 3:24 PM EDT	Areal Flood Advisory	RNK	City of Danville	3 hr
Jul 5, 3:40 PM EDT	Special Weather Statement	RNK	City of Martinsville	35 min
Jul 5, 3:53 PM EDT	Severe Thunderstorm Warning	RNK	Halifax, Pittsylvania	54 min
Jul 5, 4:21 PM EDT	Special Weather Statement	RNK	Carroll	24 min
Jul 5, 4:54 PM EDT	Special Weather Statement	RNK	Carroll	36 min
Jul 5, 4:55 PM EDT	Special Weather Statement	RNK	Floyd	35 min
Jul 5, 4:57 PM EDT	Special Weather Statement	RNK	Charlotte	63 min
Jul 5, 5:13 PM EDT	Special Weather Statement	RNK	Tazewell	32 min
Jul 5, 5:26 PM EDT	Special Weather Statement	RNK	Halifax	34 min
Jul 5, 5:48 PM EDT	Special Weather Statement	RNK	Tazewell	27 min
Jul 5, 5:59 PM EDT	Special Weather Statement	RNK	Henry	31 min
Jul 5, 6:06 PM EDT	Special Weather Statement	RNK	Grayson	24 min
Jul 5, 6:31 PM EDT	Special Weather Statement	RNK	Franklin, City of Danville, City of Martinsville	29 min
Jul 5, 6:33 PM EDT	Special Weather Statement	RNK	City of Galax	27 min
Jul 5, 6:34 PM EDT	Special Weather Statement	RNK	Appomattox	56 min
Jul 5, 7:03 PM EDT	Special Weather Statement	RNK	Pittsylvania	27 min
Jul 5, 7:05 PM EDT	Special Weather Statement	RNK	City of Galax	25 min
Jul 5, 7:26 PM EDT	Special Weather Statement	RNK	Tazewell	34 min
Jul 5, 7:27 PM EDT	Special Weather Statement	RNK	Carroll	33 min
Jul 5, 7:29 PM EDT	Special Weather Statement	RNK	Pittsylvania	31 min
Jul 5, 7:56 PM EDT	Special Weather Statement	RNK	Tazewell	34 min
Jul 5, 7:57 PM EDT	Special Weather Statement	RNK	Bedford	33 min
Jul 5, 7:58 PM EDT	Special Weather Statement	RNK	Halifax	32 min

Nearby

Flash Flood Warnings in West Virginia, 2015 Flash Flood Warnings in Virginia, 2015 Every flash flood warning in 2015

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.