Alert archive / South Carolina / Flash Flood Warnings in 1994

Flash Flood Warning 2, NWS Charleston, SC

October 12, 1994Beaufort County, South Carolina

NWS Charleston, SC issued this flash flood warning at Oct 12, 1994, 9:58 PM EDT for Beaufort County, South Carolina. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 12, 1994, 9:58 PM EDT (01:58 UTC)
Expired
Oct 13, 1994, 6:00 AM EDT
In force
8 hr
Issued by
NWS Charleston, SC
Area
Whole counties

County Beaufort County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 2.0 hours before the alert went out and 89 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, Charleston AFB, SC at 00:00Z on 1994-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 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, Charleston AFB, SC at 00:00Z on 1994-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 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
9 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
395 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.

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, Oct 12, 9:00 PM EDT, 58 minutes before
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Special weather statement, Oct 12, 9:09 PM EDT, 49 minutes before
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Special weather statement, Oct 12, 9:15 PM EDT, 43 minutes before
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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 12, 9:58 PM EDTFlash Flood WarningCHSJasper8 hr
Oct 13, 7:09 AM EDTFlash Flood WarningCHSJasper4 hr
Oct 13, 7:09 AM EDTFlash Flood WarningCHSBeaufort4 hr
Oct 13, 9:39 AM EDTFlash Flood WarningCHSBerkeley, Charleston, Dorchester3 hr
Oct 13, 11:18 AM EDTFlash Flood WarningCHSGeorgetown, Williamsburg3 hr
Oct 13, 2:21 PM EDTFlash Flood WarningCHSGeorgetown, Williamsburg3 hr
Oct 13, 2:21 PM EDTFlash Flood WarningCHSHorry3 hr
Oct 13, 5:31 PM EDTFlash Flood WarningCHSGeorgetown, Williamsburg5 hr
Oct 13, 5:31 PM EDTFlash Flood WarningCHSHorry5 hr

Nearby

Flash Flood Warnings in South Carolina, 1994Every flash flood warning in 1994

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.