Alert archive / Virginia / Flash Flood Warnings in 2016

Flash Flood Warning 29, NWS Blacksburg, VA

July 19, 2016Amherst County, Bedford County, Rockbridge County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jul 19, 2016, 4:40 PM EDT for Amherst County, Bedford County, Rockbridge 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 19, 2016, 4:40 PM EDT (20:40 UTC)
Expired: Jul 19, 2016, 7:45 PM EDT
In force: 3 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

Counties Amherst County, VA, Bedford County, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 104 km from the middle of the area, began a volume at 20:42 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, 8.7 hours before the alert went out and 51 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: 486 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1042 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

730 
WGUS51 KRNK 192040
FFWRNK
VAC009-019-163-192345-
/O.NEW.KRNK.FF.W.0029.160719T2040Z-160719T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
440 PM EDT TUE JUL 19 2016

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL AMHERST COUNTY IN CENTRAL VIRGINIA...
  SOUTHWESTERN ROCKBRIDGE COUNTY IN WEST CENTRAL VIRGINIA...
  NORTHEASTERN BEDFORD COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 745 PM EDT
    
* AT 437 PM EDT...DOPPLER RADAR INDICATED THAT SEVERAL ROUNDS OF
  THUNDERSTORMS HAVE TRACKED ACROSS THE WARNED AREA. RAINFALL OF 2.5
  TO NEARLY 4 INCHES HAVE BEEN OBSERVED IN THE GLASGOW AND SNOWDEN
  AREAS. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GLASGOW...
  BIG ISLAND...
  SNOWDEN...
  COLEMAN FALLS...
  AND NAOLA.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2.5 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

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 3772 7938 3771 7938 3770 7937 3751 7921
      3744 7936 3759 7947 3768 7958 3777 7943

$$

RAB

3 follow-up statements

361 
WGUS71 KRNK 192207
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
607 PM EDT TUE JUL 19 2016

VAC009-019-163-192345-
/O.CON.KRNK.FF.W.0029.000000T0000Z-160719T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AMHERST VA-ROCKBRIDGE VA-BEDFORD VA-
607 PM EDT TUE JUL 19 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR 
WEST CENTRAL AMHERST...SOUTHWESTERN ROCKBRIDGE AND NORTHEASTERN
BEDFORD COUNTIES...

AT 605 PM EDT...DOPPLER RADAR INDICATED THAT THUNDERSTORMS
HAD MOVED OUT OF THE WARNED AREA. FROM 3 TO 4 INCHES OF RAIN FELL
IN PARTS OF THE WARNED AREA...ESPECIALLY JUST NORTH OF GLASGOW 
DURING THE LAST TWO HOURS. FLASH FLOODING REMAINS POSSIBLE IN THE
AREA...ESPECIALLY ALONG SMALL CREEKS AND STREAMS AS A RESULT OF
EXCESSIVE RUNOFF.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GLASGOW...
BIG ISLAND...
SNOWDEN...
COLEMAN FALLS...
AND NAOLA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

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 3772 7938 3771 7938 3770 7937 3751 7921
      3744 7936 3759 7947 3768 7958 3777 7943

$$

RAB

172 
WGUS71 KRNK 192315
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
715 PM EDT TUE JUL 19 2016

VAC009-019-163-192345-
/O.CON.KRNK.FF.W.0029.000000T0000Z-160719T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AMHERST VA-ROCKBRIDGE VA-BEDFORD VA-
715 PM EDT TUE JUL 19 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR 
WEST CENTRAL AMHERST...SOUTHWESTERN ROCKBRIDGE AND NORTHEASTERN
BEDFORD COUNTIES...

AT 712 PM EDT...DOPPLER RADAR INDICATED THAT ALTHOUGH RAINFALL HAD
DIMINISHED IN THE WARNED AREA...A NEW AREA OF THUNDERSTORMS WAS
MOVING INTO THE NORTHWEST PART OF THE WARNED AREA...AGAIN NEAR
GLASGOW. THIS PORTION OF THE WARNED AREA RECEIVED 2 TO 4 INCHES OF
RAIN IN THE 3 TO 5 PM TIME FRAME. AN ADDITIONAL 1 INCH OF RAIN HAS 
ALREADY FALLEN BETWEEN NATURAL BRIDGE AND GLASGOW DURING THE LAST
30 MINUTES. FLASH FLOODING REMAINS A POSSIBILITY IN THIS AREA.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GLASGOW...
BIG ISLAND...
SNOWDEN...
COLEMAN FALLS...
AND NAOLA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

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 3772 7938 3771 7938 3770 7937 3751 7921
      3744 7936 3759 7947 3768 7958 3777 7943

$$

RAB

792 
WGUS71 KRNK 192337
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
737 PM EDT TUE JUL 19 2016

VAC009-019-163-192347-
/O.EXP.KRNK.FF.W.0029.000000T0000Z-160719T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AMHERST VA-ROCKBRIDGE VA-BEDFORD VA-
737 PM EDT TUE JUL 19 2016

...THE FLASH FLOOD WARNING FOR WEST CENTRAL AMHERST...SOUTHWESTERN
ROCKBRIDGE AND NORTHEASTERN BEDFORD COUNTIES WILL EXPIRE AT 745 PM
EDT...

THE HEAVY RAIN HAS ENDED...AND ALTHOUGH A RAIN SHOWER WAS MOVING
THROUGH THE AREA...FLOODING IS NO LONGER EXPECTED TO POSE A THREAT.

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 3772 7938 3771 7938 3770 7937 3751 7921
      3744 7936 3759 7947 3768 7958 3777 7943

$$

RAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 2:33 PM EDT	Special Weather Statement	RNK	City of Buena Vista	57 min
Jul 19, 2:56 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Rockbridge	34 min
Jul 19, 3:07 PM EDT	Special Weather Statement	RNK	Amherst	23 min
Jul 19, 3:25 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford	35 min
Jul 19, 3:31 PM EDT	Special Weather Statement	RNK	Appomattox	44 min
Jul 19, 3:36 PM EDT	Special Weather Statement	RNK	Pulaski	39 min
Jul 19, 3:47 PM EDT	Special Weather Statement	RNK	City of Lynchburg	28 min
Jul 19, 3:51 PM EDT	Special Weather Statement	RNK	City of Buena Vista	24 min
Jul 19, 3:55 PM EDT	Special Weather Statement	RNK	Pulaski, City of Radford	50 min
Jul 19, 3:58 PM EDT	Special Weather Statement	RNK	City of Lexington	32 min
Jul 19, 4:02 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Rockbridge	43 min
Jul 19, 4:45 PM EDT	Special Weather Statement	RNK	Floyd	60 min
Jul 19, 5:04 PM EDT	Special Weather Statement	RNK	Patrick	56 min
Jul 19, 5:20 PM EDT	Special Weather Statement	RNK	Buckingham	55 min
Jul 19, 6:03 PM EDT	Special Weather Statement	RNK	Campbell	57 min

Nearby

Flash Flood Warnings in Virginia, 2016 Every flash flood warning in 2016

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.