Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 28, NWS Wilmington, NC

April 23, 1997Florence County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Apr 23, 1997, 2:14 AM EDT for Florence County, South Carolina. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 23, 1997, 2:14 AM EDT (06:14 UTC)
Expired: Apr 23, 1997, 3:00 AM EDT
In force: 46 min
Issued by: NWS Wilmington, NC
Area: Whole counties

County Florence County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 6.2 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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

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

000 
TTAA00 KILM 230614 RRA
SVRILM
SCC041-230700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
214 AM EDT WED APR 23 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST SOUTH CAROLINA

   ...FLORENCE
 
AT 209 AM EDT...A SEVERE THUNDERSTORM WAS INDICATED BY WILMINGTON
DOPPLER RADAR 3 MILES WEST SOUTHWEST OF OLANTA MOVING NORTHEAST
AROUND 65 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
        SARDIS                  BY 217 AM EDT
        LAKE CITY               BY 221 AM EDT
        COWARD                  BY 221 AM EDT
        EFFINGHAM               BY 224 AM EDT
        EVERGREEN               BY 227 AM EDT
        PAMPLICO                BY 231 AM EDT
        CLAUSSEN                BY 232 AM EDT

A TORNADO WATCH IS ALSO IN EFFECT.  SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED.  MOTORISTS SHOULD NOT DRIVE0 INTO LOW WATER CROSSINGS.

IRELAND

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 22, 9:02 PM EDT, 5 hours 12 minutes earlier.

Area forecast discussion, Apr 22, 9:02 PM EDT, 5 hours 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON NC
9 PM EDT TUE APR 22 1997

RDU & CAE: CONT GOING TRND WITH SHRA/TSRA OVR CWA THRU WED AS LO PRES
AND ASSOCD CDFNT MOVS THRU THE AREA.

DISC: CRNTLY...SHRA/TSRA CONT TO MOV ENE ACRS THE AREA AS NRLY STNRY
WMFNT DRIFTS N. WMFNT WILL CONT N AS AN IMPRESSIVE LO PRES SYS AND
ITS ASSOCD FNT MOV INTO THE RGN. SYS IS MSTR LADEN AS GLF IS TAPPED.
THE LO/FNT ARE PROGGD TO MOV ACRS THE AREA WED AND OFF THE CST WED
EVE. LOOKS LIKE WED WILL BE AN ACTIVE DAY AS DYNAMICS ARE IN PLC.
MDLS AGR IN MOVG SERIES OF STG SHRT WVS THRU RGN WHICH WILL ENHANCE
THE ACTVTY. CONT CRNT FCST TRND. GOING TEMPS/POPS OK.

FOR CSTL WTRS...CONT CRNT TRND.

DTR

In the hours before

Special weather statement, Apr 22, 10:40 PM EDT, 3 hours 34 minutes before

NCZ080-095-093-047-090-079-081-092-091-029-104-098-094-503-044-
046-045-502-501-103-230215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT NC
1035 PM EDT TUE APR 22 1997

...A MODERATE RISK OF SEVERE THUNDERSTORMS IS EXPECTED ACROSS PARTS
OF EASTERN NORTH CAROLINA WEDNESDAY...

LOW PRESSURE OVER THE WESTERN CAROLINAS WILL STRENGTHEN RAPIDLY
OVERNIGHT.  UNSEASONABLY STRONG UPPER LEVEL ENERGY WILL ACCOMPANY THE
LOW PRESSURE AREA SETTING THE STAGE FOR SEVERE WEATHER ACROSS EASTERN
NORTH CAROLINA.

A WARM FRONT ALONG THE SOUTHEAST COASTAL COUNTIES WILL LIKELY FOCUS
THE THREAT OF SEVERE THUNDERSTORMS AND POSSIBLE ISOLATED TORNADOES
ALONG THE COAST FROM ONSLOW AND CARTERET COUNTIES NORTHEAST TO THE
SOUTHERN OUTER BANKS DURING THE MORNING HOURS.
.
BY THE EARLY AFTERNOON...THE FRONT IS EXPECTED TO MOVE NORTHWARD
ALLOWING THE ATMOSPHERE TO BECOME WARM AND UNSTABLE OVER MUCH OF THE
SOUTHERN AND CENTRAL COAST AND COASTAL PLAIN. A MODERATE RISK OF
SEVERE THUNDERSTORMS IS ANTICIPATED MAINLY SOUTH OF LINE FROM NEW
BERN WEST TO KINSTON DURING THE LATE MORNING AND AFTERNOON HOURS
WEDNESDAY.

ACROSS THE NORTHERN HALF OF EASTERN NORTH CAROLINA...A SLIGHT RISK OF
SEVERE THUNDERSjTORMS IS EXPECTED. SPOTTER ACTIVATION MAY BE REQUIRED
LATE TONIGHT AND WEDNESDAY. PERSONS ARE URGED TO KEEP ABREAST OF THE
WEATHER THROUGH WEDNESDAY AND BE PREPARED TO INVOKE EMERGENCY ACTION
PROCEDURES IN THE EVENT OF SEVERE WEATHER.

DB

Local storm report, Apr 23, 1:24 AM EDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
142 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0552 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

0557 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

650 PM     SHELL                     SC   1 INCH HAIL
04/22/97   HORRY

1013 PM    LAKE CITY                 SC   .5 INCH HAIL
04/22/97   FLORENCE

1023 PM    LAKE CITY                 SC   1 INCH HAIL
04/22/97   FLORENCE

1025 PM    LAKE CITY                 SC   .75 INCH HAIL
04/22/97   FLORENCE

1100 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       TREES DOWN IN LAKE CITY

1100 PM    HEMINGWAY                 SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
DOWN

1109 PM    JORDANVILLE               SC   1.75 INCH HAIL
04/22/97   HORRY

1114 PM    SHELL                     SC   1 INCH HAIL
04/22/97   HORRY

1120 PM    GRESHAM                   SC   1 INCH HAIL
04/22/97   MARION                         SECOND OCCURRENCE TONIGHT

1125 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       SEVERAL MOBILE HOMES
                                          OVERTURNED...FUNNEL CLOUD
                                          ALSO SPOTTED IN LAKE CITY

1130 PM    INDIANTOWN                SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
                                          DOWN

1130 PM    NESMITH                   SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES DOWN ON CAR

1140 PM    PLANTERSVILLE             SC   1 INCH HAIL
04/22/97   GEORGETOWN                     3 MILES NORTH OF
                                          PLANTERSVILLE

1145 PM    CONWAY                    SC   WIND DAMAGE
04/22/97   HORRY                          TREES DOWN 6 MILES WEST
                                          OF CONWAY OtN HIGHWAY 378

Local storm report, Apr 23, 1:42 AM EDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
142 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0552 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

0557 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

650 PM     SHELL                     SC   1 INCH HAIL
04/22/97   HORRY

1013 PM    LAKE CITY                 SC   .5 INCH HAIL
04/22/97   FLORENCE

1023 PM    LAKE CITY                 SC   1 INCH HAIL
04/22/97   FLORENCE

1025 PM    LAKE CITY                 SC   .75 INCH HAIL
04/22/97   FLORENCE

1100 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       TREES DOWN IN LAKE CITY

1100 PM    HEMINGWAY                 SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
DOWN

1109 PM    JORDANVILLE               SC   1.75 INCH HAIL
04/22/97   HORRY

1114 PM    SHELL                     SC   1 INCH HAIL
04/22/97   HORRY

1120 PM    GRESHAM                   SC   1 INCH HAIL
04/22/97   MARION                         SECOND OCCURRENCE TONIGHT

1125 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       SEVERAL MOBILE HOMES
                                          OVERTURNED...FUNNEL CLOUD
                                          ALSO SPOTTED IN LAKE CITY

1130 PM    INDIANTOWN                SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
                                          DOWN

1130 PM    NESMITH                   SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES DOWN ON CAR

1140 PM    PLANTERSVILLE             SC   1 INCH HAIL
04/22/97   GEORGETOWN                     3 MILES NORTH OF
                                          PLANTERSVILLE

1145 PM    CONWAY                    SC   WIND DAMAGE
04/22/97   HORRY                          TREES DOWN 6 MILES WEST
                                          OF CONWAY ON HIGHWAY 378

Local storm report, Apr 23, 1:42 AM EDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE WILMINGTON NC
142 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0552 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

0557 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

650 PM     SHELL                     SC   1 INCH HAIL
04/22/97   HORRY

1013 PM    LAKE CITY                 SC   .5 INCH HAIL
04/22/97   FLORENCE

1023 PM    LAKE CITY                 SC   1 INCH HAIL
04/22/97   FLORENCE

1025 PM    LAKE CITY                 SC   .75 INCH HAIL
04/22/97   FLORENCE

1100 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       TREES DOWN IN LAKE CITY

1100 PM    HEMINGWAY                 SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
                                          DOWN

1109 PM    JORDANVILLE               SC   1.75 INCH HAIL
04/22/97   HORRY

1114 PM    SHELL                     SC   1 INCH HAIL
04/22/97   HORRY                          SECOND OCCURRENCE OF NIGHT

1120 PM    GRESHAM                   SC   1 INCH HAIL
04/22/97   MARION

1125 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       SEVERAL MOBILE HOMES

                                          OVERTURNED...FUNNEL CLOUD
                                          ALSO SPOTTED IN LAKE CITY

1130 PM    INDIANTOWN                SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
                                          DOWN

1130 PM    NESMITH                   SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES DOWN ON CAR

1140 PM    PLANTERSVILLE             SC   1 INCH HAIL
04/22/97   GEORGETOWN                     3 MILES NORTH OF
                                          PLANTERSVILLE

1145 PM    CONWAY                    SC   WIND DAMAGE
04/22/97   HORRY                          TREES DOWN 6 MILES WEST
                                          OF CONWAY ON HIGHWAY 378

DRH

Local storm report, Apr 23, 1:44 AM EDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE WILMINGTON NC
142 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0552 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

0557 PM    HARTSVILLE                SC   .75 INCH HAIL
04/22/97   DARLINGTON

650 PM     SHELL                     SC   1 INCH HAIL
04/22/97   HORRY

1013 PM    LAKE CITY                 SC   .5 INCH HAIL
04/22/97   FLORENCE

1023 PM    LAKE CITY                 SC   1 INCH HAIL
04/22/97   FLORENCE

1025 PM    LAKE CITY                 SC   .75 INCH HAIL
04/22/97   FLORENCE

1100 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       TREES DOWN IN LAKE CITY

1100 PM    HEMINGWAY                 SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
                                          DOWN

1109 PM    JORDANVILLE               SC   1.75 INCH HAIL
04/22/97   HORRY

1114 PM    SHELL                     SC   1 INCH HAIL
04/22/97   HORRY                          SECOND OCCURRENCE OF NIGHT

1120 PM    GRESHAM                   SC   1 INCH HAIL
04/22/97   MARION

1125 PM    LAKE CITY                 SC   WIND DAMAGE
04/22/97   FLORENCE                       SEVERAL MOBILE HOMES

                                          OVERTURNED...FUNNEL CLOUD
                                          ALSO SPOTTED IN LAKE CITY

1130 PM    INDIANTOWN                SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES AND POWER LINES
                                          DOWN

1130 PM    NESMITH                   SC   WIND DAMAGE
04/22/97   WILLIAMSBURG                   TREES DOWN ON CAR

1140 PM    PLANTERSVILLE             SC   1 INCH HAIL
04/22/97   GEORGETOWN                     3 MILES NORTH OF
                                          PLANTERSVILLE

1145 PM    CONWAY                    SC   WIND DAMAGE
04/22/97   HORRY                          TREES DOWN 6 MILES WEST
                                          OF CONWAY ON HIGHWAY 378

DRH

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 22, 9:54 PM EDT	Severe Thunderstorm Warning	ILM	Florence	61 min
Apr 22, 10:22 PM EDT	Tornado Warning	ILM	Florence	33 min
Apr 22, 10:37 PM EDT	Severe Thunderstorm Warning	ILM	Williamsburg	63 min
Apr 22, 10:41 PM EDT	Severe Thunderstorm Warning	ILM	Horry, Marion	64 min
Apr 22, 10:52 PM EDT	Severe Thunderstorm Warning	ILM	Florence	33 min
Apr 22, 10:58 PM EDT	Severe Thunderstorm Warning	ILM	Georgetown	47 min
Apr 22, 11:13 PM EDT	Tornado Warning	ILM	Horry, Marion	32 min
Apr 23, 2:40 AM EDT	Severe Thunderstorm Warning	ILM	Marion	35 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1997 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.