Alert archive / North Carolina / Flash Flood Warnings in 1993

Flash Flood Warning 21, NWS Blacksburg, VA

March 24, 1993Iredell County, Rowan County, North Carolina

NWS Blacksburg, VA issued this flash flood warning at Mar 24, 1993, 3:34 AM EST for Iredell County, Rowan County, North Carolina. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Mar 24, 1993, 3:34 AM EST (08:34 UTC)
Expired
Mar 24, 1993, 7:30 AM EST
In force
4 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Iredell County, NC, Rowan County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.6 hours before the alert went out and 82 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

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGSO 240841
FFWGSO
NCC159-097-241230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
334 AM EST WED MAR 24 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 730 AM EST FOR PEOPLE IN THE FOLLOWING
COUNTIES

   IN THE STATE OF NORTH CAROLINA
      ROWAN...IREDELL

AT CHECK WITH EMERGENCY OFFICIALS IN ROWAN COUNTY INDICATES THAT
THAT WEST OF THE CITY OF SALSBURY ALL CREEKS AND STREAMS WERE OVER
THEIR BANKS WITH WATER RUNNING 2 TO 3 INCHES DEEP ACROSS SOME
BRIDGES. IN IREDELL COUNTY WATER WAS NEAR THE TOP OF BRIDGES IN
VARIOUS PARTS OF THE COUNTY. AT 315 AM WEATHER SERVICE RADAR WAS
INDICATING AN AREA OF LIGHT TO MODERATE RAIN MOVING EAST AT 30 MPH
ACROSS THESE COUNTIES. THIS WILL TEND TO AGGREVIATE THE FLOODING.

NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
ESCAPE RISING WATER BY MOVING TO HIGHER GROUND.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 IMMEDIATELY.
REMEMBER..MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

 IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE
 IMMEDIATELY.  WHEN IT IS SAFE..ASK YOUR NEAREST LAW ENFORCEMENT
 AGENCY TO RELAY YOUR SEVERE WEATHER REPORT TO THE LOCAL NATIONAL
 WEATHER SERVICE OFFICE.

 MRR

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, 12:45 AM ESTFlash Flood WarningRNKWilkes3 hr

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.