Alert archive / Virginia / Flash Flood Warnings in 1992

Flash Flood Warning 43, NWS Blacksburg, VA

June 4, 1992Wythe County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jun 4, 1992, 6:56 PM EDT for Wythe County, Virginia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 4, 1992, 6:56 PM EDT (22:56 UTC)
Expired
Jun 4, 1992, 10:00 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Wythe County, VA

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.9 hours before the alert went out and 141 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 1992-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 1992-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
122 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 
TTAA00 KROA 042301 RRA
FFWROA
VAC197-050200-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE ROANOKE VA
656 PM EDT THU JUN 4 1992

THE NATIONAL WEATHER SERVICE IN ROANOKE VA HAS ISSUED A
FLOOD WARNING FOR SMALL STREAMS EFFECTIVE UNTIL 1000 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST VIRGINIA

   ...WYTHE COUNTY

THE SHERIFF'S DEPARTMENT IN WYTHE COUNTY REPORTED SIGNIFICANT ROAD
FLOODING. PORTIONS OF ROUTES 749...686...AND 610 ARE UNDERWATER IN
PLACES AND CREEKS CONTINUE TO RISE.

ONE AUTOMATED RAINGAGE IN WYTHEVILLE REPORTED 1.66 INCHES OF RAIN
IN THE PAST 3 HOURS.

PERSONS LIVING ALONG SMALL STREAMS SHOULD BE ALERT FOR RISING WATER
AND BE PREPARED TO MOVE TO HIGH GROUND.

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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

MCINTOSH

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 4, 2:26 PM EDT, 4 hours 30 minutes before
VAZ008-009-013-014-015-016-042015-

SPECIAL WEATHER STATMENT
NATIONAL WEATHER SERVICE ROANOKE VA
219 PM EDT THU JUN 4 1992

AT 215 PM WEATHER RADAR SHOWED RAIN CONTINUING ACROSS MUCH OF
SOUTHWEST AND WESTCENTRAL SECTIONS OF VIRGINIA. REPORTS FROM AUTOMATED
RAIN GAGES IN THE AREA REVEAL THAT SOME OF THE RAIN HAS BEEN MODERATE
TO HEAVY. FANCY GAP IN CARROLL COUNTY REPORTED A STORM TOTAL SO FAR OF
OVER 3 INCHES...WHILE A SPOTTER IN FLOYD COUNTY REPORTED A
STORM TOTAL OF 2.6 INCHES. MUCH OF THIS HAS BEEN SINCE 8 AM TODAY.

NUMEROUS SMALLER STREAMS HAVE ALREADY REACHED BANKFULL IN MOST OF THE
AREA.  SOME HAVE BEGUN EDGING ACROSS ROADWAYS IN ISOLATED SECTIONS
OF FLOYD COUNTY.

RAINFALL IS EXPECTED TO CONTINUE INTO THE AFTERNOON AND EVENING
HOURS.  WITH THUNDERSTORMS A POSSIBILITY...HEAVIER RAIN AMOUNTS IN A
SHORT TIME MAY OCCUR.  IN THAT CASE FLASH FLOODING IS A DEFINITE
THREAT.

PERSONS ALONG THE SMALLER STREAMS SHOULD REMAIN ALERT AND TUNED TO
RADIO AND TELEVISION FOR UPDATES ON THIS DEVELOPING FLOOD THREAT
AND THE LIKELIHOOD OF WATCHES AND WARNINGS.

MCINTOSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 7:48 PM EDTFlash Flood WarningRNKFranklin117 min

Nearby

Flash Flood Warnings in Virginia, 1992Every flash flood warning in 1992

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.