Alert archive / Virginia / Flash Flood Warnings in 2007

Flash Flood Warning 4, NWS Blacksburg, VA

June 1, 2007Pulaski County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jun 1, 2007, 4:49 PM EDT for Pulaski County, Virginia. It was in force for 4 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
Jun 1, 2007, 4:49 PM EDT (20:49 UTC)
Expired
Jun 1, 2007, 8:45 PM EDT
In force
4 hr
Issued by
NWS Blacksburg, VA
Area
Counties, with a storm outline in the text
Flood severity
None

County Pulaski County, VA

The radar

The Roanoke radar (KFCX), 48 km from the middle of the area, began a volume at 20:51 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, 8.8 hours before the alert went out and 117 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 2007-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 111 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 2007-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
111 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
25 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.

000 
WGUS51 KRNK 012052
FFWRNK
VAC155-020045-
/X.NEW.KRNK.FF.W.0004.070601T2049Z-070602T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
449 PM EDT FRI JUN 1 2007

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN PULASKI COUNTY IN SOUTHWEST VIRGINIA

* UNTIL 845 PM EDT

* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. 

* STREAMS THAT ARE IN THE WARNING AREA AND ARE LIKELY TO EXPERIENCE 
FLOODING ARE...TRACT FORK...PEAK CREEK...AND THORNE SPRINGS BRANCH 
NORTH OF THE PULASKI AREA.

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.

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 3700 8085 3703 8071 3719 8074 3711 8092

$$

JDS
2 follow-up statements
000 
WGUS71 KRNK 012124
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
519 PM EDT FRI JUN 1 2007

VAC155-020045-
/X.CON.KRNK.FF.W.0004.000000T0000Z-070602T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PULASKI VA-
519 PM EDT FRI JUN 1 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
NORTHWESTERN PULASKI COUNTY...

AT 516 PM EDT...HEAVY RAINFALL HAD MOSTLY ENDED ACROSS NORTHWESTERN 
PULASKI COUNTY WITH ONLY LIGHT TO MODERATE RAINFALL REMAINING. THIS 
RAINFALL WAS DISSIPATING...HOWEVER EXCESSIVE RUNOFF WAS CONTINUING 
ALONG PEAK CREEK AND ITS TRIBUTARIES. RADAR AND GAGE REPORTS IN THE 
AREA WERE IN THE 3 TO 3.5 INCH RANGE BETWEEN THE TIMES OF 400 PM AND 
520 PM. FLOODING IS LIKELY STILL OCCURRING ALONG AND NEAR PEAK 
CREEK. 

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. 

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 3700 8085 3703 8071 3719 8074 3711 8092

$$
000 
WGUS71 KRNK 012240
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
638 PM EDT FRI JUN 1 2007

VAC155-012248-
/X.CAN.KRNK.FF.W.0004.000000T0000Z-070602T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PULASKI VA-
638 PM EDT FRI JUN 1 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
PULASKI COUNTY...

HEAVY RAIN HAS ENDED OVER THE WARNED AREA...THUS THE FLASH FLOOD 
WARNING HAS BEEN CANCELLED. 

IF YOU LIVE IN WESTERN PULASKI COUNTY...AND EXPERIENCED FLOODING 
EARLIER THIS EVENING...PLEASE CALL THE NATIONAL WEATHER SERVICE TOLL 
FREE...1...8 6 6...2 1 5...4 3 2 4.

LAT...LON 3700 8085 3703 8071 3719 8074 3711 8092

$$

KM

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:59 PM EDTSevere Thunderstorm WarningRNKHenry, City of Martinsville61 min
May 31, 9:20 PM EDTFlash Flood WarningRNKHenry4 hr
Jun 1, 1:58 PM EDTSevere Thunderstorm WarningRNKFloyd62 min
Jun 1, 2:07 PM EDTSevere Thunderstorm WarningRNKFranklin53 min
Jun 1, 5:43 PM EDTSevere Thunderstorm WarningRNKAlleghany, City of Covington77 min
Jun 1, 6:31 PM EDTFlash Flood WarningRNKAlleghany4 hr
Jun 1, 6:42 PM EDTSevere Thunderstorm WarningRNKBath, Rockbridge78 min

Nearby

Flash Flood Warnings in Virginia, 2007Every flash flood warning in 2007

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.