Alert archive / North Carolina / Flash Flood Warnings in 1993

Flash Flood Warning 20, NWS Blacksburg, VA

March 24, 1993Wilkes County, North Carolina

NWS Blacksburg, VA issued this flash flood warning at Mar 24, 1993, 12:45 AM EST for Wilkes County, North Carolina. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 24, 1993, 12:45 AM EST (05:45 UTC)
Expired
Mar 24, 1993, 3:45 AM EST
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Wilkes County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 5.8 hours before the alert went out and 114 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 1993-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1993-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 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
536 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
405 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
Mar 23, 8:45 PM ESTFlash Flood WarningRNKSurry3 hr
Mar 23, 9:12 PM ESTFlash Flood WarningRNKIredell2 hr
Mar 24, 3:34 AM ESTFlash Flood WarningRNKIredell, Rowan4 hr
Mar 23, 8:30 PM ESTFlash Flood WarningRNKWythe2 hr
Mar 23, 9:55 PM ESTFlash Flood WarningRNKCity of Martinsville3 hr
Mar 23, 11:02 PM ESTFlash Flood WarningRNKRoanoke118 min

Nearby

Flash Flood Warnings in North Carolina, 1993Every flash flood warning in 1993

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.