Alert archive / Virginia / Flash Flood Warnings in 2000

Flash Flood Warning 17, NWS Blacksburg, VA

July 28, 2000Franklin County, Patrick County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jul 28, 2000, 2:19 PM EDT for Franklin County, Patrick 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 counties it named.

The facts

Issued
Jul 28, 2000, 2:19 PM EDT (18:19 UTC)
Expired
Jul 28, 2000, 5:15 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Franklin County, VA, Patrick County, VA

The radar

The Roanoke radar (KFCX), 27 km from the middle of the area, began a volume at 18:18 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, 6.3 hours before the alert went out and 66 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 2000-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 360 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 2000-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.193958Sfc1 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
360 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
9 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 281819
FFWRNK
VAC067-141-282115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
219 PM EDT FRI JUL 28 2000

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN FRANKLIN COUNTY IN WEST CENTRAL VIRGINIA...
  NORTHERN PATRICK COUNTY IN SOUTHWEST VIRGINIA...

* UNTIL 515 PM EDT.

* AT 218 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL FROM WOOLWINE NORTH TO      
  DILLONS MILL. THE STORMS WERE NEARLY STATIONARY. 

LOCATIONS THREATENED BY HEAVY RAIN THROUGH 515 PM EDT INCLUDE

   ALGOMA...
   ENDICOTT...
   CHARITY...

FLASH FLOODING WILL LIKELY OCCUR ALONG LITTLE CREEK...WHITE OAK 
CREEK...OTTER CREEK AND THE BLACKWATER RIVER.

MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED. DO NOT DRIVE YOUR 
VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES 
CAUGHT IN RISING WATER SHOULD BE ABANDONED.

.END

05

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:21 PM EDTSevere Thunderstorm WarningRNKFloyd, Montgomery39 min
Jul 28, 3:55 PM EDTFlash Flood WarningRNKAlleghany3 hr
Jul 28, 4:13 PM EDTSevere Thunderstorm WarningRNKAlleghany, City of Covington32 min
Jul 28, 5:26 PM EDTSevere Thunderstorm WarningRNKTazewell49 min

Nearby

Flash Flood Warnings in Virginia, 2000Every flash flood warning in 2000

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.