Alert archive / Virginia / Flash Flood Warnings in 2006

Flash Flood Warning 2, NWS Blacksburg, VA

June 25, 2006Alleghany County, Craig County, City of Covington, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jun 25, 2006, 6:11 PM EDT for Alleghany County, Craig County, City of Covington, 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 25, 2006, 6:11 PM EDT (22:11 UTC)
Expired
Jun 25, 2006, 9:00 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Counties, with a storm outline in the text

Counties Alleghany County, VA, City of Covington, VA, Craig County, VA

The radar

The Roanoke radar (KFCX), 69 km from the middle of the area, began a volume at 22:11 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 25, 7:05 PM EDTFLASH FLOOD6 Sw Covington City, VAPOTTS CREEK AND BLUESPRINGS RUN OUT OF BANKS. EMS/FIRE DISPATCHED TO CLEAR DEBRIS OFF ROUTE 18. WATER RECEDED ENOUGH BY 750 PM TO ALLOW VEHICLES TO PASS.

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, 10.2 hours before the alert went out and 73 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, Roanoke, VA at 12:00Z on 2006-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 600 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, Roanoke, VA at 12:00Z on 2006-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
600 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KRNK 252212
FFWRNK
VAC005-045-580-260100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
611 PM EDT SUN JUN 25 2006

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAIG COUNTY IN SOUTHWEST VIRGINIA
  CITY OF COVINGTON IN WEST CENTRAL VIRGINIA
  ALLEGHANY COUNTY IN WEST CENTRAL VIRGINIA

* UNTIL 900 PM EDT

* AT 611 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  VERY HEAVY RAIN FROM A LINE OF THUNDERSTORMS OVER THE WARNED AREA.
  THESE STROMS ARE EXPECTED TO DRIFT SLOWLY NORTH FOR THE NEXT
  HOUR OR SO...AND WILL BRING A QUICK ONE TO TWO INCHES OF RAIN TO 
  AREAS THAT HAVE ALREADY SEEN ONE TO TWO INCHES OF RAIN.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POTTS
  CREEK...JORDAN MINES...HOLLINS...EARLEHURST...COVINGTON CITY AND   
  CALLAGHAN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. STREET FLOODING IN THE CITY OF 
COVINGTON IS ALSO LIKELY. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. REMEMBER TURN AROUND...DONT DROWN.

PLEASE RELAY REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

LAT...LON 3735 8041 3744 8006 3755 8000 3766 8002
      3772 7992 3789 7980 3791 8008 3780 8019
      3767 8027 3761 8022

$$

JJ
2 follow-up statements
000 
WGUS71 KRNK 252243
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
630 PM EDT SUN JUN 25 2006

VAC005-045-580-260100-
CRAIG VA-CITY OF COVINGTON VA-ALLEGHANY VA-
630 PM EDT SUN JUN 25 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR CRAIG
COUNTY IN SOUTHWEST VIRGINIA...AND ALLEGHANY COUNTY AND THE CITY OF 
COVINGTON IN WEST CENTRAL VIRGINIA...

AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE VERY HEAVY RAIN FROM A LINE OF THUNDERSTORMS THAT EXTENDED 
FROM NEAR COVINGTON...SOUTHWESTWARD THROUGH THE PAINT BANK AREA OF 
CRAIG COUNTY...AND ON INTO THE SINKING CREEK AREA. THE STORMS WILL 
CONTINUE TO DRIFT SLOWLY NORTH FOR THE NEXT HOUR AND WILL BRING 
ANOTHER INCH OR SO OF RAIN THROUGH 730 PM. RADAR ESTIMATES THAT SOME 
AREAS HAVE ALREADY RECEIVED OVER TWO INCHES OF RAIN.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JORDAN 
MINES...EARLEHURST...COVINGTON CITY...CALLAGHAN...PAINT BANK AND 
SINKING CREEK. BLUE SPRINGS RUN WILL LIKELY FLOOD IN SOUTHERN 
ALLEGHANY COUNTY...INCLUDING STATE ROUTE 615 IN SEVERAL LOCATIONS 
WHERE IT PARALLELS THE CREEK. IT MAY FLOOD ROUTE 18 NEAR THE TOWN 
BLUE SPRINGS AT THE JUNCTION WITH POTTS CREEK. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

LAT...LON 3741 8045 3735 8028 3755 8008 3766 8001
      3772 7992 3789 7980 3791 8008 3780 8019
      3767 8027 3761 8022

$$

JJ
000 
WGUS71 KRNK 252353
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
750 PM EDT SUN JUN 25 2006

VAC005-045-580-260000-
CRAIG VA-CITY OF COVINGTON VA-ALLEGHANY VA-
750 PM EDT SUN JUN 25 2006

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CRAIG COUNTY IN 
SOUTHWEST VIRGINIA...AND ALLEGHANY COUNTY AND THE CITY OF COVINGTON 
IN WEST CENTRAL VIRGINIA...

WHILE SCATTERED SHOWERS WILL CONTINUE THIS EVENING...THE 
THUNDERSTORMS WITH HEAVY RAINFALL HAVE MOVED OUT OF THE WARNED AREA. 
WATERS SHOULD BE RECEDING FROM ANY FLOODING THAT OCCURRED. A FLASH 
FLOOD WATCH REMAINS IN EFFECT...AND ADDITIONAL HEAVY RAINS MAY MOVE 
INTO THE AREA LATER TONIGHT.

LAT...LON 3741 8045 3735 8028 3755 8008 3766 8001
      3772 7992 3789 7980 3791 8008 3780 8019
      3767 8027 3761 8022

$$

JJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 4:37 AM EDTFlash Flood WarningRNKHenry, City of Martinsville3 hr
Jun 25, 3:07 PM EDTSevere Thunderstorm WarningRNKAlleghany, City of Covington38 min
Jun 25, 3:50 PM EDTSevere Thunderstorm WarningRNKAlleghany, City of Covington37 min
Jun 25, 3:54 PM EDTSevere Thunderstorm WarningRNKGiles28 min
Jun 25, 7:40 PM EDTFlash Flood WarningRNKGrayson3 hr

Nearby

Flash Flood Warnings in Virginia, 2006Every flash flood warning in 2006

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.