Alert archive / South Carolina / Tornado Warnings in 1997

Tornado Warning 2, NWS Wilmington, NC

April 22, 1997Florence County, South Carolina

NWS Wilmington, NC issued this tornado warning at Apr 22, 1997, 10:22 PM EDT for Florence County, South Carolina. It was in force for 33 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 22, 1997, 10:22 PM EDT (02:22 UTC)
Expired
Apr 22, 1997, 10:55 PM EDT
In force
33 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Florence County, SC

What was reported inside it

TimeReportWhereRemark
Apr 22, 10:23 PM EDTHail 1Lake City, SC
Apr 22, 10:50 PM EDTThunderstorm Wind 50Lake City, SCNUMEROUS TREES DOWN IN LAKE CITY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 22, 9:00 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 2.4 hours before the alert went out and 128 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 1997-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 885 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 1997-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
885 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1589 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

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 Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 22, 9:54 PM EDTSevere Thunderstorm WarningILMFlorence61 min
Apr 22, 10:37 PM EDTSevere Thunderstorm WarningILMWilliamsburg63 min
Apr 22, 10:41 PM EDTSevere Thunderstorm WarningILMHorry, Marion64 min
Apr 22, 10:52 PM EDTSevere Thunderstorm WarningILMFlorence33 min
Apr 22, 10:58 PM EDTSevere Thunderstorm WarningILMGeorgetown47 min
Apr 22, 11:13 PM EDTTornado WarningILMHorry, Marion32 min
Apr 23, 2:14 AM EDTSevere Thunderstorm WarningILMFlorence46 min
Apr 23, 2:40 AM EDTSevere Thunderstorm WarningILMMarion35 min

Nearby

Tornado Warnings in South Carolina, 1997Every tornado warning in 1997Tornadoes in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.