Alert archive / South Carolina / Flash Flood Warnings in 1999

Flash Flood Warning 3, NWS Charleston, SC

June 16, 1999Charleston County, South Carolina

NWS Charleston, SC issued this flash flood warning at Jun 16, 1999, 9:15 AM EDT for Charleston County, South Carolina. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 16, 1999, 9:15 AM EDT (13:15 UTC)
Expired
Jun 16, 1999, 11:15 AM EDT
In force
2 hr
Issued by
NWS Charleston, SC
Area
Whole counties

County Charleston County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 1.3 hours before the alert went out and 18 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 12:00Z on 1999-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1705 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 12:00Z on 1999-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
1705 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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 Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 4:44 PM EDTSevere Thunderstorm WarningCHSJasper36 min
Jun 15, 10:53 PM EDTSevere Thunderstorm WarningCHSLong32 min
Jun 16, 4:41 PM EDTSevere Thunderstorm WarningCHSLong, McIntosh34 min
Jun 16, 6:09 PM EDTSevere Thunderstorm WarningCHSScreven31 min
Jun 16, 6:16 PM EDTSevere Thunderstorm WarningCHSEvans34 min

Nearby

Flash Flood Warnings in South Carolina, 1999Every flash flood warning in 1999

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.