Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 4, NWS Charleston, SC

February 14, 2000Berkeley County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Feb 14, 2000, 4:25 AM EST for Berkeley County, South Carolina. It was in force for 35 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: Feb 14, 2000, 4:25 AM EST (09:25 UTC)
Expired: Feb 14, 2000, 5:00 AM EST
In force: 35 min
Issued by: NWS Charleston, SC
Area: Whole counties

County Berkeley County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 9.4 hours before the alert went out and 33 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: 671 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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 
TTAA00 KCHS 140927
SVRCHS
SCC015-141000-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
425 AM EST MON FEB 14 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BERKELEY COUNTY IN SOUTH CAROLINA.

* UNTIL 500 AM EST.

* AT 425 AM EST...DOPPLER WEATHER RADAR INDICATED A SEVERE
  THUNDERSTORM NEAR GOOSE CREEK... MOVING NORTHEAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GOOSE CREEK...MONCKS CORNER...HUGER.

DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

RVT/TJR

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 Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 14, 1:47 AM EST, 2 hours 38 minutes earlier.

Area forecast discussion, Feb 14, 1:47 AM EST, 2 hours 38 minutes before

AFDCHS

AREA FORECAST DISCUSSION...CORRECTED TO INCLUDE LWA ALL ZONES.
NATIONAL WEATHER SERVICE CHARLESTON SC
147 AM EST MON FEB 14 2000

COASTAL-SIDE OF WEDGE FRONT PUSHING INLAND EARLY THIS MORNING...QUITE
CLOSE TO CHARLESTON THEN BOWING WSW TO N OF MCN. AN ACTIVE CONVECTIVE
NEXT 12 HRS OR SO AHEAD...SO THIS DISCUSSION WILL BE VERY BRIEF.
PREVIOUS FCST LOOKS REAL GOOD WITH LIKELY POPS TDA...ENDING EARLIER
IN WRN ZONES. CONVECTION PROGGED TO SWEEP OFFSHORE THIS AFTN BUT NOT
BEFORE STRONG DYNAMICS ASSOCIATED WITH THE EXIT REGION OF THE NEXT
JET SEGMENT INDUCES STRONG DIVERGENCE AND ENHANCES LIFT ACROSS THE
CWFA THIS MORNING. WILL TRY TO LOOK AT EXTENDED BEFORE RELEASE TIME.
NEXT SYSTEM/FRONT NOT IMPRESSIVE ON AVN AND MAY REMOVE WED MENTION OF
SHOWERS.

CWF: FINALLY...WINDS RESPONDING OVER THE WATERS AS LOW LVL STABILITY
GETS SCOURED AWAY BY S FLOW. PREVIOUS FCSTS LOOKS ON TRACK WITH
STRONG SCA CONDITIONS DEVELOPING AS LLJ GRADUALLY MIXES TWD THE
COOLER WATERS. MAINLY JUST INITIALIZATION CHANGES TO ACCOUNT FOR
ONGOING TRENDS.

CHS TU 070/044 066/044 072 247-0
SAV TU 071/043 068/042 074 247-0
CHL TU 068/050 065/050 069 247-0
NBC TU 070/045 067/045 072 247-0

.CHS...
SC...SMALL CRAFT ADVISORY S SANTEE RIVER TO SAVANNAH OUT 20 NM.
     LAKE WIND ADVISORY SCZ040-042>045-047>050.
GA...SMALL CRAFT ADVISORY SAVANNAH TO ALTAMAHA SOUND OUT 60 NM.
     LAKE WIND ADVISORY GAZ087-088-099>101-114>119-137>141.

RVT

In the hours before

Special weather statement, Feb 14, 12:39 AM EST, 3 hours 46 minutes before

GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>050-141400-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
1239 AM EST MON FEB 14 2000

...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS SOUTHERN
SOUTH CAROLINA AND SOUTHEAST GEORGIA OVERNIGHT AND MONDAY MORNING...

LOW PRESSURE WILL TRACK EAST FROM THE OHIO VALLEY TO THE MID-ATLANTIC
COAST BY LATE MONDAY AS A TRAILING COLD FRONT MOVES THROUGH THE
SOUTHEASTERN STATES. AHEAD OF THE FRONT...MOISTURE IS BEING DRAWN
NORTHWARD FROM THE GULF OF MEXICO. AS THIS MOISTURE INTERACTS WITH
THE FRONT AND A STRONG UPPER LEVEL DISTURBANCE...THUNDERSTORMS WILL
DEVELOP AND MOVE THROUGH THE REGION OVERNIGHT AND MONDAY MORNING.
SOME STORMS MAY BECOME SEVERE WITH DAMAGING WINDS OVER 60 MPH AND
LARGE HAIL...3/4 OF AN INCH OR GREATER. SINCE THERE IS A LARGE AMOUNT
OF WIND SHEAR IN THE LOWER ATMOSPHERE...THE THREAT FOR ISOLATED
TORNADOES EXISTS.

STRONG TO POTENTIALLY SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS
SOUTHEASTERN GEORGIA BETWEEN THE HOURS OF 3 AND 10 AM. IN SOUTHERN
SOUTH CAROLINA...THE THREAT FOR STRONG TO SEVERE STORMS WILL BE
BETWEEN THE HOURS OF 5 AM AND NOON.

STAY TUNED TO YOUR LOCAL RADIO OR TV STATIONS ON NOAA WEATHER RADIO
FOR LATER STATMENTS AND POSSIBLE WARNINGS.

TJR

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 14, 3:21 AM EST	Severe Thunderstorm Warning	CHS	Colleton	34 min
Feb 14, 3:39 AM EST	Severe Thunderstorm Warning	CHS	Dorchester	31 min
Feb 14, 3:46 AM EST	Severe Thunderstorm Warning	CHS	Berkeley	34 min
Feb 14, 8:25 AM EST	Severe Thunderstorm Warning	CHS	Berkeley	45 min
Feb 14, 5:11 PM EST	Severe Thunderstorm Warning	CHS	Charleston, Dorchester	64 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000 Every severe thunderstorm warning in 2000

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.