Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 96, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Aug 16, 1997, 7:52 PM EDT for Florence County, Marion County, Williamsburg County, South Carolina. It was in force for 43 min. 1 report 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
- Aug 16, 1997, 7:52 PM EDT (23:52 UTC)
- Expired
- Aug 16, 1997, 8:35 PM EDT
- In force
- 43 min
- Issued by
- NWS Wilmington, NC
- Area
- Whole counties
Counties Florence County, SC, Marion County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 108 km from the middle of the area, began a volume at 23:53 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 16, 8:30 PM EDT | Thunderstorm Wind 60 | Johnsonville, SC | Florence Co. Sheriffs Dep. reported trees down in the Johnsonville area. |
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 nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.9 hours before the alert went out and 118 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.
- Mixed-layer CAPE
- 940 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 864 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
239
WUUS1 KILM 162356
SVRILM
SCC041-067-089-162035-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED EXPIRATION TIME
NATIONAL WEATHER SERVICE WILMINGTON NC
752 PM EDT SAT AUG 16 1997
THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 835 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN NORTHEASTERN SOUTH CAROLINA
...EXTREME SOUTHERN FLORENCE COUNTY
...SOUTHERN MARION COUNTY
...EXTREME NORTHEASTERN WILLIAMSBURG COUNTY
AT 751 PM EDT...DOPPLER RADAR INDICATED LARGE HAIL 31 MILES
SOUTHEAST OF FLORENCE OR 2 MILES SOUTHEAST OF KINGSBURG MOVING
NORTHWEST AT 5 MPH.
THIS STORM WILL BE IN THE VICINITY OF...
KINGSBURG BY 810 PM EDT
GRESHAM BY 810 PM EDT
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
LGEWhat 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 Aug 16, 2:27 PM EDT, 5 hours 25 minutes earlier.
Area forecast discussion, Aug 16, 2:27 PM EDT, 5 hours 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC 225 PM EDT SAT AUG 16 1997 ZFP: MOSTLY SUNNY SKIES SUNDAY WITH PC TO PARTLY SUNNY MON. POPS 20% THRU SUN PM MON AND 30% MON. FWC TEMPS +2 LOOK GOOD. CWF: WL CONT SW WINDS THRU FP...WOULD LIKE TO HOLD OFF ON BRINGING TO WEST OVR THE WTR TILL MON PM. NOCTURNAL SURGES WL CONT TNT AND SUN NIGHT. MON LOOKS WINDY OVR LAND AND THIS SHUD TRANSLATE OVR THE SNDS SO WL CONT 15 TO 20 THRU MON. THE WIND SPEEDS SHUD REMAIN BELO SCA LEVELS THRU FP. WL MENTION ISOLATED TSTMS THRU FP AS WELL... THOUGH WEST FLOW SHOULD KEEP THE GREATEST ACTIVITY +20 NM OFFSHORE. THE DEBATE WL PROB CONT ON SEA HEIGHTS. WL WORD AS 3 FT NORTH AND 4 FT SOUTH. THINKING IS 3 FT IMPLIES 2 TO 4 FT AND 4 FT IMPLIES 3 TO 5 FT. IT IS DIFFICULT TO ACCOUNT FOR ALL THE SUBTLE NUANCES FOUND OFF THE NC COAST WITHOUT CHOPPING THE BREAK POINT INTO MUCH SMALLER DIVISIONS TO ACCOUNT FOR AREAS SUCH AS DSNL AND THE EDDY CURRENT OFF OF SHACKLEFORD AND CAPE LOOKOUT. DISC: RIDGE CONT TO DOMINATE PATTERN AND AS FRONT BENDS ACROSS IT NORTH OF THE REGION FLOW WILL BECOME MORE WESTERLY. THIS WILL RESULT IN FEWER CLDS AND MORE HEATING FROM DOWNSLOPE COMPRESSION SUNDAY. MON SHOULD BE A WINDY HOT ONE WITH MORE CLDS. NOT MUCH IN THE WAY OF PRECIP...SEA BRZ WL BE HELD CLOSER TO THE COAST WITH THE WEST WIND. .MHX...NONE. JCI
Nearby
Severe Thunderstorm Warnings in South Carolina, 1997Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.