Alert archive / Virginia / Flash Flood Warnings in 2005

Flash Flood Warning 7, NWS Blacksburg, VA

June 9, 2005Wythe County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jun 9, 2005, 2:44 PM EDT for Wythe 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
Jun 9, 2005, 2:44 PM EDT (18:44 UTC)
Expired
Jun 9, 2005, 5:45 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Counties, with a storm outline in the text

County Wythe County, VA

The radar

The Roanoke radar (KFCX), 63 km from the middle of the area, began a volume at 18:47 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.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.7 hours before the alert went out and 135 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 2005-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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 2005-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
147 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
13 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 091849
FFWRNK
VAC197-092145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
244 PM EDT THU JUN 9 2005

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN WYTHE COUNTY IN SOUTHWEST VIRGINIA

* UNTIL 545 PM EDT

* AT 242 PM EDT...TRAINED WEATHER SPOTTERS REPORTED DITCHES AND
  CULVERTS FLOWING AT BANKFULL IN THE EASTERN PART OF WYTHE COUNTY. 
  A CLUSTER OF THUNDERSTORMS WAS MOVING EAST THROUGH THE COUNTY
  WHERE INTERSTATES 77 AND 81 COINCIDE. THIS AREA OF THUNDERSTORMS   
  WILL IMPACT THE EASTERN PART OF WYTHE COUNTY OVER THE NEXT 45      
  MINUTES TO AN HOUR.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MAX MEADOWS
  AND GUNTON PARK.

ADDITIONAL RAINFALL AMOUNTS OF ONE HALF TO THREE QUARTES OF AN INCH 
ARE POSSIBLE IN THE WARNED AREA OVER THE NEXT HOUR...WITH THE BULK 
OF THAT POSSIBLY OCCURRING IN LESS THAN ONE HALF OF AN HOUR.

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.

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 3681 8103 3688 8078 3706 8093 3702 8110

$$
1 follow-up statement
000 
WGUS71 KRNK 092028
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
427 PM EDT THU JUN 9 2005

VAC197-092037-
WYTHE VA-
427 PM EDT THU JUN 9 2005

...THE FLASH FLOOD WARNING FOR WYTHE COUNTY IS CANCELLED...

THE HEAVY RAIN PRODUCING THUNDERSTORMS WHICH PROMPTED THE
WARNING HAVE DISSIPATED...AND THERE HAVE BEEN NO REPORTS OF
FLOODING. THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 3681 8103 3688 8078 3706 8093 3702 8110

$$

DS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:22 PM EDTSevere Thunderstorm WarningRNKHenry23 min
Jun 9, 2:56 PM EDTSevere Thunderstorm WarningRNKRockbridge39 min
Jun 9, 3:59 PM EDTFlash Flood WarningRNKGrayson, Smyth6 hr

Nearby

Flash Flood Warnings in Virginia, 2005Every flash flood warning in 2005

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.