Alert archive / Virginia / Flash Flood Warnings in 2013

Flash Flood Warning 13, NWS Blacksburg, VA

May 22, 2013Tazewell County, Virginia

NWS Blacksburg, VA issued this flash flood warning at May 22, 2013, 3:45 PM EDT for Tazewell County, 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: May 22, 2013, 3:45 PM EDT (19:45 UTC)
Expired: May 22, 2013, 6:45 PM EDT
In force: 3 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

County Tazewell County, VA

The radar

The Roanoke radar (KFCX), 119 km from the middle of the area, began a volume at 19:47 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.

What was reported inside it

Time	Report	Where	Remark
May 22, 4:00 PM EDT	FLASH FLOOD	4 Wnw Tazewell, VA	SIGNIFICANT DEBRIS WASHED ONTO THE HIGHWAY RESULTING IN THE CLOSURE OF BAPTIST VALLEY ROAD NEAR THE 6600 BLOCK. WATER EXCEEDED 6 INCHES IN DEPTH.
May 22, 4:30 PM EDT	FLASH FLOOD	4 Nnw Tazewell, VA	2899 ADRIA ROAD...ROUTE 16...CLOSED NEAR ROUTE 636 INTERSECTION...FROM CABBAGE CREEK. CREEK WAS FLOWING OVER THE HIGHWAY.
May 22, 5:40 PM EDT	FLASH FLOOD	3 Ne Cliffield, VA	SEVERAL RESIDENTS BEING EVACUATED FROM THEIR HOMES IN THE DRY FORK AREA DUE TO RISING WATERS ENTERING HOMES.

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, 7.8 hours before the alert went out and 187 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: 13 J/kg
Mixed-layer CIN: -220 J/kg
Mixed-layer LCL: 1384 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 73 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.

434 
WGUS51 KRNK 221945
FFWRNK
VAC185-222245-
/O.NEW.KRNK.FF.W.0013.130522T1945Z-130522T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
345 PM EDT WED MAY 22 2013

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN TAZEWELL COUNTY IN SOUTHWEST VIRGINIA...

* UNTIL 645 PM EDT

* AT 343 PM EDT...DOPPLER RADAR 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...
  CLIFFIELD...
  CLAYPOOL HILL...
  AMONATE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER MAY BE TOO DEEP
TO ALLOW YOUR CAR TO CROSS SAFELY. TURN AROUND DONT DROWN. NEVER TRY
TO CROSS A FLOWING STREAM ON FOOT.

&&

LAT...LON 3704 8180 3720 8166 3721 8155 3722 8154
      3723 8152 3725 8151 3727 8143 3698 8164
$$

DS

2 follow-up statements

991 
WGUS71 KRNK 222035
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
435 PM EDT WED MAY 22 2013

VAC185-222245-
/O.CON.KRNK.FF.W.0013.000000T0000Z-130522T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-
435 PM EDT WED MAY 22 2013

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR 
WESTERN TAZEWELL COUNTY...

AT 433 PM EDT...DOPPLER RADAR INDICATED THE HEAVY RAIN PRODUCING 
THUNDERSTORMS THAT PROMPTED THE WARNING HAVE EXITED THE WARNING 
AREA. LIGHT RAIN SHOWERS CONTINUE. UP TO THREE INCHES OF RAIN HAVE 
ALREADY FALLEN. THE CONCERN FOR FLASH FLOODING CONTINUES.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CLIFFIELD...
CLAYPOOL HILL...
AMONATE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER MAY BE TOO DEEP
TO ALLOW YOUR CAR TO CROSS SAFELY. TURN AROUND DONT DROWN. NEVER TRY
TO CROSS A FLOWING STREAM ON FOOT.

&&

LAT...LON 3704 8180 3720 8166 3721 8155 3722 8154
      3723 8152 3725 8151 3727 8143 3698 8164

$$

DS

230 
WGUS71 KRNK 222155
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
555 PM EDT WED MAY 22 2013

VAC185-222245-
/O.CON.KRNK.FF.W.0013.000000T0000Z-130522T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-
555 PM EDT WED MAY 22 2013

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR 
WESTERN TAZEWELL COUNTY...

AT 551 PM EDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING AND 
WATCH RESCUES AS WATER IS ENTERING HOMES IN DRY FORK. ADDITIONAL 
LIGHT TO MODERATE RAIN IS APPROACHING THE WARNING AREA. THIS WILL 
MAINTAIN THE FLOODING SITUATION. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DRY FORK...
CLIFFIELD...
CLAYPOOL HILL...
AMONATE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO SEE THE
FLOODING. IF FLASH FLOODING IS OBSERVED...MOVE UP TO HIGHER GROUND
QUICKLY.  DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS
RISING.

&&

LAT...LON 3704 8180 3720 8166 3721 8155 3722 8154
      3723 8152 3725 8151 3727 8143 3698 8164

$$

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 8:09 PM EDT	Special Weather Statement	RNK	Grayson	66 min
May 21, 8:22 PM EDT	Special Weather Statement	RNK	Wythe	53 min
May 21, 9:11 PM EDT	Special Weather Statement	RNK	Bland	34 min
May 21, 9:13 PM EDT	Special Weather Statement	RNK	Smyth	32 min
May 21, 9:32 PM EDT	Special Weather Statement	RNK	Bland	28 min
May 21, 9:44 PM EDT	Special Weather Statement	RNK	Smyth	31 min
May 21, 9:57 PM EDT	Areal Flood Advisory	RNK	Grayson, Smyth	3 hr
May 22, 12:50 PM EDT	Special Weather Statement	RNK	Bland, Wythe	55 min
May 22, 12:59 PM EDT	Areal Flood Advisory	RNK	Grayson, Smyth	3 hr
May 22, 1:18 PM EDT	Special Weather Statement	RNK	Alleghany	42 min
May 22, 2:06 PM EDT	Severe Thunderstorm Warning	RNK	Pulaski, Wythe	39 min
May 22, 2:10 PM EDT	Severe Thunderstorm Warning	RNK	Giles, Pulaski	50 min
May 22, 2:14 PM EDT	Special Weather Statement	RNK	Alleghany	31 min
May 22, 2:35 PM EDT	Areal Flood Advisory	RNK	Wythe	115 min
May 22, 2:37 PM EDT	Severe Thunderstorm Warning	RNK	Bland	38 min
May 22, 3:00 PM EDT	Areal Flood Advisory	RNK	Tazewell	2 hr
May 22, 3:00 PM EDT	Special Weather Statement	RNK	Roanoke	30 min
May 22, 3:08 PM EDT	Special Weather Statement	RNK	Tazewell	37 min
May 22, 3:10 PM EDT	Severe Thunderstorm Warning	RNK	Craig, Montgomery	50 min
May 22, 3:24 PM EDT	Special Weather Statement	RNK	Wythe	36 min
May 22, 3:26 PM EDT	Areal Flood Advisory	RNK	Carroll, Wythe	2 hr
May 22, 3:32 PM EDT	Areal Flood Advisory	RNK	Craig, Montgomery, Roanoke	118 min
May 22, 3:37 PM EDT	Severe Thunderstorm Warning	RNK	Montgomery, Roanoke	23 min
May 22, 3:57 PM EDT	Severe Thunderstorm Warning	RNK	Craig, Montgomery, Roanoke, City of Roanoke, City of Salem	33 min
May 22, 4:01 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Pulaski, Wythe	29 min
May 22, 4:02 PM EDT	Special Weather Statement	RNK	Patrick	43 min
May 22, 4:07 PM EDT	Areal Flood Advisory	RNK	Alleghany	113 min
May 22, 4:17 PM EDT	Special Weather Statement	RNK	City of Galax	28 min
May 22, 4:20 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	40 min
May 22, 4:25 PM EDT	Areal Flood Advisory	RNK	City of Galax	65 min
May 22, 4:34 PM EDT	Special Weather Statement	RNK	Botetourt, City of Roanoke, City of Salem	26 min
May 22, 4:44 PM EDT	Special Weather Statement	RNK	Carroll	31 min
May 22, 4:48 PM EDT	Special Weather Statement	RNK	Bath	27 min
May 22, 4:56 PM EDT	Special Weather Statement	RNK	Franklin, Patrick	34 min
May 22, 5:05 PM EDT	Special Weather Statement	RNK	City of Covington	25 min
May 22, 5:15 PM EDT	Special Weather Statement	RNK	City of Roanoke, City of Salem	30 min
May 22, 5:16 PM EDT	Special Weather Statement	RNK	Floyd	29 min
May 22, 5:20 PM EDT	Special Weather Statement	RNK	Franklin	25 min
May 22, 5:22 PM EDT	Special Weather Statement	RNK	Bedford	23 min
May 22, 5:25 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Lexington	35 min
May 22, 5:37 PM EDT	Special Weather Statement	RNK	Bath	53 min
May 22, 5:39 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt	51 min
May 22, 5:42 PM EDT	Special Weather Statement	RNK	Montgomery	33 min
May 22, 6:05 PM EDT	Special Weather Statement	RNK	Henry	25 min
May 22, 6:07 PM EDT	Special Weather Statement	RNK	Montgomery	23 min
May 22, 6:16 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Buena Vista, City of Lexington	29 min
May 22, 6:34 PM EDT	Areal Flood Advisory	RNK	Rockbridge, City of Buena Vista, City of Lexington	116 min
May 22, 6:38 PM EDT	Areal Flood Warning	RNK	Tazewell	3 hr
May 22, 6:39 PM EDT	Special Weather Statement	RNK	City of Lynchburg	36 min
May 22, 6:40 PM EDT	Special Weather Statement	RNK	Franklin	35 min
May 22, 6:43 PM EDT	Special Weather Statement	RNK	City of Buena Vista	17 min
May 22, 7:09 PM EDT	Special Weather Statement	RNK	Amherst	36 min
May 22, 7:16 PM EDT	Special Weather Statement	RNK	Franklin, Henry, City of Martinsville	29 min

Nearby

Flash Flood Warnings in Virginia, 2013 Every flash flood warning in 2013

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.