Alert archive / Virginia / Flash Flood Warnings in 1992

Flash Flood Warning 49, NWS Blacksburg, VA

June 4, 1992Wythe County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jun 4, 1992, 9:52 PM EDT for Wythe County, Virginia. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 4, 1992, 9:52 PM EDT (01:52 UTC)
Expired
Jun 5, 1992, 12:00 AM EDT
In force
2 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Wythe County, VA

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.9 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 00:00Z on 1992-06-05Temperature 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 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 00:00Z on 1992-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 9:35 PM EDTFlash Flood WarningRNKHenry115 min
Jun 4, 9:56 PM EDTFlash Flood WarningRNKWythe2 hr
Jun 5, 3:12 AM EDTFlash Flood WarningRNKCarroll, Wythe3 hr

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.