Alert archive / South Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 2, NWS Wilmington, NC

April 1, 2001Darlington County, Marlboro County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Apr 1, 2001, 12:38 PM EDT for Darlington County, Marlboro County, South Carolina. It was in force for 67 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 1, 2001, 12:38 PM EDT (16:38 UTC)
Expired: Apr 1, 2001, 1:45 PM EDT
In force: 67 min
Issued by: NWS Wilmington, NC
Area: Whole counties

Counties Darlington County, SC, Marlboro County, SC

What was reported inside it

Time	Report	Where	Remark
Apr 1, 1:00 PM EDT	Thunderstorm Wind 60 E	Society Hill, SC	General public reported power lines down and part of a mobile home roof blown off, damaging a car.
Apr 1, 1:15 PM EDT	Thunderstorm Wind 70 E	Bennettsville, SC	Spotter reported trees down on power lines on Hickory Grove Road. A metal carport was also destroyed. A Bennettsville city administrator reported trees down on East Main Street, Breeden Heights, Crestview Street, and Kinney Circle.

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.

Issued	Product	Office	Lasted
Apr 1, 11:15 AM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 4.6 hours before the alert went out and 175 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 923 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: -21 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KILM 011640
SVRILM
SCC031-069-011745-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
1238 PM EDT SUN APR 1 2001

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DARLINGTON COUNTY IN NORTHEAST SOUTH CAROLINA
  MARLBORO COUNTY IN NORTHEAST SOUTH CAROLINA

* UNTIL 145 PM EDT

* AT 1234 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 18 MILES
  NORTHWEST OF CLYDE...OR ABOUT 15 MILES EAST OF KERSHAW...MOVING
  EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   CLYDE AT 1250 PM EDT
   NORTH HARTSVILLE AT 100 PM EDT
   AUBURN AT 105 PM EDT
   SOCIETY HILL AT 110 PM EDT
   DARLINGTON AT 115 PM EDT
   BENNETTSVILLE AT 120 PM EDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...SEEK SHELTER
IMMEDIATELY

.END

$$

DIGIORGI

LAT...LON 3481 8031 3447 8049 3424 7989 3478 7956

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 1, 11:18 AM EDT, 1 hour 20 minutes earlier.

Area forecast discussion, Apr 1, 11:18 AM EDT, 1 hour 20 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON, NC
1018 AM EST SUN APR 1 2001

14Z SFC ANALYSIS SHOWS COLD FRONT ENTERING THE NC/SC FOOTHILLS WITH
AN ASSOC NARROW LINE OF CONVECTION. ALSO INTERESTING TO NOTE THE
BACKDOOR FEATURE WHICH DROPPED DOWN THE NC COAST OVERNIGHT AND HAS
HUNG UP ACROSS SOUTHERN NEW HANOVER COUNTY WEST TO DILLON COUNTY SC.
NEW HANOVER COUNTY MESONET HAS TEMPS IN THE LWR-MID 50S N OF THE
FRONT...WITH 59 AT SOUTHPORT (EXTRM S PART OF COUNTY.) VSBY SAT
SHOWS FRONT BEGINNING TO WASH OUT AND RETREAT N...SO SKY CVR/TEMPS
SHOULD WORK OUT FINE IN THE ZFP.

NOT PLANNING AN UPDATE ATTM. 40/50 POPS N AND 30 POPS S STILL LOOK
GOOD. 06Z MESOETA SHOWS BEST SFC CONV AND 700 MB UVV STILL REMAIN N
OF MY AREA TDY...AS SYSTEM QUICKLY SHIFTS E. TAIL END OF SQUALL LINE
FORMING IN THE FOOTHILLS WL PROBABLY CLIP MY NORTHERN COUNTIES...
ALONG AND N OF A LINE FROM DILLON TO NEW HANOVER. WL RE-EVALUATE
WHEN 12Z MODEL DATA BECOMES AVAILABLE.

CWF: CURRENT CWF LOOKS FINE. W WINDS THIS MORN SHOULD BECM SW JUST
BEFORE FROPA BEFORE GOING BACK TO W.

FCSTID = 9
ILM   68  41  63  43 /  50  20   0  10
LBT   66  40  61  42 /  50  10   0  10
FLO   68  40  64  45 /  30  10   0  10
MYR   69  41  63  44 /  30  10   0  10

.ILM...
NC...SMALL CRAFT ADVISORY SURF CITY TO LITTLE RIVER INLET.
SC...SMALL CRAFT ADVISORY LITTLE RIVER INLET TO S SANTEE RIVER.

TRA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 12:47 PM EDT	Severe Thunderstorm Warning	ILM	Horry	73 min
Apr 1, 1:15 PM EDT	Severe Thunderstorm Warning	ILM	Dillon	75 min
Apr 1, 1:15 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Marion	75 min
Apr 1, 1:58 PM EDT	Severe Thunderstorm Warning	ILM	Horry	77 min
Apr 1, 2:32 PM EDT	Severe Thunderstorm Warning	ILM	Darlington	28 min
Apr 1, 2:42 PM EDT	Severe Thunderstorm Warning	ILM	Dillon, Florence, Marlboro	48 min
Apr 1, 2:42 PM EDT	Severe Thunderstorm Warning	ILM	Marion	48 min
Apr 1, 3:10 PM EDT	Severe Thunderstorm Warning	ILM	Horry	50 min
Apr 1, 3:44 PM EDT	Severe Thunderstorm Warning	ILM	Dillon	76 min
Apr 1, 3:44 PM EDT	Severe Thunderstorm Warning	ILM	Marlboro	76 min
Apr 1, 3:44 PM EDT	Severe Thunderstorm Warning	ILM	Marion	76 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2001 Every severe thunderstorm warning in 2001

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.