Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 78, NWS Charleston, SC

August 27, 2000Berkeley County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Aug 27, 2000, 4:56 PM EDT for Berkeley County, South Carolina. It was in force for 49 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: Aug 27, 2000, 4:56 PM EDT (20:56 UTC)
Expired: Aug 27, 2000, 5:45 PM EDT
In force: 49 min
Issued by: NWS Charleston, SC
Area: Whole counties

County Berkeley County, SC

The watch it was issued in

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

Issued	Product	Office	Lasted
Aug 27, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.9 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: 3497 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 647 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KCHS 272057
SVRCHS
SCC015-272145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
456 PM EDT SUN AUG 27 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 545 PM EDT.

* AT 456 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM 12 MILES WEST
  OF HUGER...OR ABOUT 7 MILES NORTH OF GOOSE CREEK...MOVING EAST AT
  20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  HUGER.

DIME SIZE HAIL AND 60 MPH WINDS ARE EXPECTED IN THE WARNED AREA.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

$$

LAT...LON 3316 8011 3298 8010 3302 7973 3320 7965

NNNN

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 Aug 27, 3:45 PM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Aug 27, 3:45 PM EDT, 1 hour 11 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
345 PM EDT SUN AUG 27 2000

SCT CONVECTION WILL CONT ACRS FA THRU THE EVE AS SHTWV AND ASSOCD
JET ENERGY PUSHES THRU AREA. SOME STORMS PSBLY REACHING SVR LVLS
EARLY. WW WATCHES 713 AND 714 RMN IN EFFECT FOR GA AND SC,
RESPECTIVELY. UPR LOW WILL MOVE TO ERN NC MON NGT THEN PERHAPS MOVE
SWD ALG THE SC CST BFR MERGING WITH DVLPG STACKED MID/LOW PRES
MOVG NWD FM THE BAHAMAS. WK FNTL BNDRY WILL MOVE INTO FA MON NGT
THEN WKN TUE. WITH FNT ACRS AREA AND UPR LVL ENERGY ROTATING ARND
UPR LOW WILL KEEP CHC POPS THRU TUE FOR ENTIRE FA. WITH MORE CLD
CVR AND PROX OF UPR LOW...TEMPS WILL BE A LTL COOLER IN THE MID TO
UPR 80S INLAND MON AND TUE. AVN REALLY BLOWS UP SFC LOW ACRS
BAHAMAS TUE BRINGING THIS SYS NWD WITH A TGTNG PRES GRAD ACRS CSTL
WATERS LT TUE INTO EXTDD PD. PW VALUES STAY HIGH...SPLY ALG CSTL SXNS
WITH ELY LOW LVL FLOW. THUS WILL CARRY CHC POPS ACRS MUCH OF FA
AND MOCLDY SKIES FOR WED AND THU. PERHAPS UPR LVL ENERGY AND SFC
LOW WILL MOVE EWD AWAY FM AREA FRI WITH IMPROVING CONDS AND ONLY
SLGT CHC POPS MENTIONED.

MARINE...S-SW WINDS INCRG TO 15 TO 20 KT LTR TNGT ACRS SC WATERS WITH
NOCTURNAL SURGE. OTRW WINDS 15 KT OR LESS AND SEAS 5 FT OR LESS.
THRU MON NGT. ELY FLOW EXPECTED MON NGT INTO TUE BHND WK FNT...THEN
PRES GRAD WILL LIKELY TGTN TUE AS SRN SYS DVLPS WITH SCA CONDS PSBL
WED AND THU.

PRELIM NUMBERS
CHS BE 073/090 073/087 073 2244333
SAV BE 073/091 073/089 073 2243333
CHL BE 078/087 078/085 078 2244333
NBC BE 073/090 073/087 073 2244333
RBW BE 072/091 072/089 072 2244333

.CHS...
SC...SEVERE THUNDERSTORM WATCH 714 UNTIL 7 PM.
GA...SEVERE THUNDERSTORM WATCH 713 ALL BUT COASTAL COUNTIES
     UNTIL 7 PM.

JAC

In the hours before

Special weather statement, Aug 27, 12:00 PM EDT, 4 hours 56 minutes before

GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>050-272300-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON, SC
1200 PM EDT SUN AUG 27 2000

A STRENGTHENING TROUGH IN THE MID AND UPPER LEVELS OF THE ATMOSPHERE
WILL DROP SOUTH OVER THE CAROLINAS THIS AFTERNOON AND EVENING. THIS
UPPER WEAKNESS COMBINED WITH ABUNDANT MOISTURE AT THE SURFACE WILL
PRODUCE SCATTERED THUNDERSTORMS DURING THE AFTERNOON AND EVENING
HOURS. AS THE ATMOSPHERE BECOMES UNSTABLE...A FEW OF THESE
THUNDERSTORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE WITH HAIL AND
DAMAGING WINDS.

IN SOUTHEASTERN SOUTH CAROLINA AND SOUTHEAST GEORGIA...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING. SCATTERED THUNDERSTORMS WILL DEVELOP AND A FEW STORMS MAY
BECOME SEVERE WITH HAIL AND GUSTY WINDS APPROACHING 60 MPH.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT TO
THE DEVELOPING WEATHER SITU2ATION...AND BE PREPARED TO TAKE ACTION IF
ANY WATCHES OR WARNINGS ARE ISSUED.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

MJR

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.