Alert archive / North Carolina / Flash Flood Warnings in 2000

Flash Flood Warning 8, NWS Blacksburg, VA

June 27, 2000Alleghany County, Ashe County, North Carolina

NWS Blacksburg, VA issued this flash flood warning at Jun 27, 2000, 1:52 PM EDT for Alleghany County, Ashe County, North Carolina. 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
Jun 27, 2000, 1:52 PM EDT (17:52 UTC)
Expired
Jun 27, 2000, 4:45 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Alleghany County, NC, Ashe County, NC

The radar

The Roanoke radar (KFCX), 112 km from the middle of the area, began a volume at 18:11 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.9 hours before the alert went out and 134 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
81 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
-19 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 271751
FFWRNK
NCC005-009-272045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
152 PM EDT TUE JUN 27 2000

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ALLEGHANY COUNTY IN NORTHWEST NORTH CAROLINA...
  SOUTHEASTERN ASHE COUNTY IN NORTHWEST NORTH CAROLINA...

* UNTIL 445 PM EDT.

* AT 150 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A THUNDERSTORM WITH VERY HEAVY RAINFALL ABOUT 3 MILES NORTHEAST OF 
  GLENDALE SPRINGS...MOVING SLOWLY NORTHEAST.

LOCATIONS THREATENED BY HEAVY RAIN THROUGH 445 PM EDT INCLUDE

   GLENDALE SPRINGS...
   LAUREL SPGS...
   SPARTA...

RADAR RAINFALL ESTIMATES INDICATE THAT AROUND 3 INCHES OF RAIN HAS 
FALLEN IN THE AREA ALONG THE BLUE RIDGE...JUST NORTHEAST OF GLENDALE 
SPRINGS. SLOW MOVING THUNDERSTORMS WILL CONTINUE TO PRODUCE 
TORRENTIAL RAINFALL IN THE WARNED AREA THROUGH 300 PM. RUNOFF FROM 
THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING THROUGH 445 PM.

<<CALL TO ACTION>>DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE
WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED.

$$
8LAT...LON 3638 8143 3631 8135 3650 8097 3653 8118

MTE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:08 PM EDTSevere Thunderstorm WarningRNKRockingham, Stokes52 min
Jun 27, 7:10 PM EDTFlash Flood WarningRNKCaswell2 hr

Nearby

Flash Flood Warnings in North Carolina, 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.