Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 41, NWS Greenville-Spartanburg, SC

April 4, 2008Chester County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 4, 2008, 8:20 PM EDT for Chester County, South Carolina. It was in force for 55 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 4, 2008, 8:20 PM EDT (00:20 UTC)
Expired
Apr 4, 2008, 9:15 PM EDT
In force
55 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Chester County, SC

The radar

The Columbia radar (KCAE), 83 km from the middle of the area, began a volume at 00:22 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 4, 6:10 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.3 hours before the alert went out and 192 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2008-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2008-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
496 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 4, 8:16 PM EDT, 4 minutes earlier.

Area forecast discussion, Apr 4, 8:16 PM EDT, 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
816 PM EDT FRI APR 4 2008

.SYNOPSIS...
A COLD FRONT WILL CROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA
OVERNIGHT. THE FRONT WILL STALL OVER THE PIEDMONT SATURDAY...THEN
PUSH EAST OF THE AREA SATURDAY NIGHT. A WEAK AND RELATIVELY DRY
WEDGE OF HIGH PRESSURE WILL THEN MOVE OVER THE EASTERN UNITED STATES
SUNDAY...AND REMAIN LARGELY IN PLACE THROUGH THE MIDDLE OF NEXT
WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
TORNADO WATCH IS STILL IN EFFECT FOR NORTHEAST GA AND THE WESTERN
UPSTATE TILL 10 PM. ANOTHER TORNADO WATCH IS IN EFFECT FOR THE REST
OF THE UPSTATE AND THE SOUTHWESTERN NC PIEDMONT UNTIL 1 AM SATURDAY.
A LINE OF SHOWERS AND STORMS WILL CONTINUE TO TRACK EAST ACROSS THE
PIEDMONT THROUGH THE EVENING HOURS. UPSTREAM...ANOTHER LINE OF
SHOWERS AND TSTMS IS TRACKING INTO NE GA. COOLER AND MORE STABLE AIR
SHOULD PUSH IN BEHIND THE SECOND LINE...HELPING TO DECREASE CHCS OF
THUNDER FOR THE REST OF THE NIGHT.

AN UPPER TROUGH WILL CROSS THE MS RIVER VALLEY TONIGHT...AND THE
SOUTHERN APPALACHIANS ON SATURDAY. COLD AIR DAMMING OVER THE AREA IS
ERODING...BUT SOME AREAS ALONG THE BLUE RIDGE MAY BE SLOW TO SEE
THE WARM SECTOR AIR ARRIVE. UPGLIDE CONTINUES TO DECREASE...BUT AS A
COLD FRONT APPROACHES FROM THE WEST...INSTABILITY AND OMEGA WILL
INCREASE...SUPPORTING INCREASING PRECIPITATION COVERAGE AND AMOUNTS.
WITH SUBSTANTIAL SHEAR PRESENT...A THREAT OF SEVERE WEATHER EXISTS
INTO TONIGHT...AND A TORNADO WATCH HAS BEEN ISSUED FOR NORTHEAST
GEORGIA AND WESTERN PORTIONS OF THE UPSTATE INTO LATE EVENING...
NEAR THE THERMAL MOISTURE BOUNDARY AT THE PERIPHERY OF THE WEDGE.
MINIMUM TEMPERATURES WILL BE RATHER WARM UNDER CLOUDS AND WITH THE
WIND UP IN A TIGHTENING GRADIENT.

A SURFACE WAVE IS EXPECTED TO MOVE ALONG THE FRONT SATURDAY...
REACHING OUR AREA FROM THE SOUTHWEST AROUND DAWN...WHILE THE FRONT
SLOWS. THIS WILL SET THE NORTHERN AND CENTRAL PORTIONS OF THE AREA
UP FOR A PROLONGED PERIOD OF STRATIFORM RAIN NORTH OF THE SURFACE
WAVE...WHILE THE SOUTHEASTERN PORTION OF THE AREA REMAINS IN THE
UNSTABLE WARM SECTOR. HIGH POPS WILL BE CARRIED THROUGH THE
DAY...WITH TEMPERATURE GAIN LIMITED...ESPECIALLY OUTSIDE THE WARM
SECTOR.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AS OF 300 PM FRIDAY...TIMING APPEARS TO BE THE MAJOR DIFFERENCE IN
THE MDLS EARLY IN THE SHORT RANGE. GFS IS THE FASTEST WITH THE
DEPARTING SHORT WAVES SAT NITE. THE NAM...SREF AND ECMWF ALL ARE
DEEPER AND SLOWER WITH THE WAVES. THIS RESULTS IN A SLOWER SURFACE
LOW TRACKING UP THE EAST COAST SAT NITE. WILL TREND TOWARD THE
SLOWER MODELS AND KEEP HIGH POP EARLY FRI EVENING...THEN DIMINISH TO
NO POP AFTER MIDNIGHT. DAMMING HIGH PRESSURE SETS UP ACROSS THE AREA
SUNDAY AND HOLDS ON THRU MONDAY. LOOKS LIKE CLOUDS WILL CLEAR SUNDAY
BEFORE FLOW ABOVE THE HIGH PRESSURE DOME TURNS SLY AND LOW LEVEL
MOISTURE RETURNS SUNDAY NIGHT INTO MONDAY. SUNDAY SHOULD BE DRY WITH
PATCHY LIGHT RAIN RETURNING SUNDAY NIGHT AND MONDAY. LOWS SHOULD BE
ABOVE NORMAL SAT AND SUN NITES. HIGHS NEAR NORMAL SUNDAY THEN A
LITTLE COOLER MONDAY WITH INCREASING CLOUDS.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 230 PM FRIDAY...NOT MUCH CHANGE FROM THE PREVIOUS DAYS MEDIUM
RANGE FORECAST. THE MAIN SYNOPTIC FEATURE CONTINUES TO BE THE
PERSISTENT WEDGE OF WEAK HIGH PRESSURE OVER THE CAROLINAS THAT
STICKS AROUND THROUGH THURSDAY OF NEXT WEEK. THE WEDGE SHOULD
EVENTUALLY BREAK DOWN AS A WEAK COLD FRONT ASSOCIATED WITH A LOW
WELL TO OUR NORTH PUSHES THE WEDGE FURTHER OFFSHORE. DECIDED NOT TO
ALTER POPS VERY MUCH FOR TUES...WED...OR THURS...BUT I DID INCREASE
THEM TO SOLID CHANCE FOR FRI AND EARLY SAT. HPCS POPS CONTINUE TO BE
A BIT MORE OPTIMISTIC FOR MOST OF THE PERIOD...HOWEVER I AM STILL
NOT CONVINCED THERE WILL BE ENOUGH LOW LEVEL DYNAMIC FORCING TO
PRODUCE PRECIP. AS FAR AS TEMPS GO...VALUES SHOULD REMAIN CLOSE TO
CLIMATOLOGY IF NOT A FEW DEGREES ABOVE AS LONG AS THE PREDOMINATE
WINDS STAY FROM THE SOUTHEAST.

&&

.AVIATION /00Z SATURDAY THROUGH WEDNESDAY/...
A LINE OF THUNDERSTORMS WILL IMPACT THE UPSTATE TAF SITES FOR THE
FIRST 1 TO 3 HOURS OF THE 00Z TAF PERIOD. THE STORMS MAY IMPACT KCLT
BY 03Z...BUT THE STRENGTH WHEN THEY ARRIVE IS UNCERTAIN. I DID MY
BEST TO TIME THE CONVECTION AND TREND WIND/VSBY/CIGS WHEN THE STORMS
MAKE IMPACT. THE FRONT RESPONSIBLE FOR MOST OF THIS ACTIVITY IS
STILL WELL WEST OF THE AREA...AND WILL TRACK VERY SLOWLY EASTWARD
OVERNIGHT. MODEL GUIDANCE SHOWS THAT THE AIRMASS WILL STAY SLIGHTLY
UNSTABLE OVERNIGHT...SO THERE COULD BE SCATTERED SHOWERS AND TSTMS
THROUGHOUT THE NIGHT (ESPECIALLY E OF THE MTNS). IVE KEPT CB IN
THROUGH 5-6Z. THERE WILL PLENTY OF CLOUDS...BUT CIGS ARE HARD TO
PEG...AS THERE ARE SEVERAL LAYERS OF CLOUDS BEHIND THE CONVECTION.
GUIDANCE IS VERY PESSIMISTIC ON BRINGING IFR/LIFR CIGS OVERNIGHT. I
DID NOT GO THAT LOW...BUT WILL KEEP AN EYE ON THE TRENDS. VSBYS WILL
VARY MOSTLY DUE TO SHOWER/TSTM ACTIVITY.

THE FRONT PASSES THROUGH THE MTNS BY LATE SATURDAY MORNING...AND
STALLS OUT ACROSS THE PIEDMONT. THE MODELS ARE SHOWING A WAVE
DEVELOPING OVER CENTRAL AL ALONG THE FRONT SATURDAY MORNING...AND
TRACKING NE THROUGH UPSTATE SC SATURDAY EVENING. THIS LOW PRESSURE
WILL ALLOW MOIST UNSTABLE AIR TO LIFT NORTH ACROSS THE AREA SATURDAY
AFTN...KEEPING WINDS SOUTHERLY AND INCREASING THE CHC OF SHOWERS AND
TSTMS. I ADDED CB FOR THE AFTN GROUPS AT ALL PIEDMONT SITES. KAVL
AND KHKY LOOK TO STAY NORTH OF THE BNDRY...BUT MAY HAVE SOME SHOWERS.

OUTLOOK...CONDITIONS MAY IMPROVE BRIEFLY SAT NIGHT/SUNDAY...BUT
ANOTHER COLD AIR DAMMING EPISODE APPEARS LIKELY FOR MUCH OF NEXT
WEEK.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...ARK
NEAR TERM...ARK/JAT
SHORT TERM...RWH
LONG TERM...JPT
AVIATION...ARK
Hazardous weather outlook, Apr 4, 6:16 PM EDT, 2 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
616 PM EDT FRI APR 4 2008

GAZ010-017-018-026-028-029-SCZ001-002-004-005-010-011-052230-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREATER OCONEE-GREATER PICKENS-ANDERSON-ABBEVILLE-
616 PM EDT FRI APR 4 2008

...TORNADO WATCH 165 IN EFFECT UNTIL 10 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA AND UPSTATE
SOUTH CAROLINA.

.DAY ONE...TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   TORNADO WATCH.

A COLD FRONT WILL CONTINUE TO PUSH EASTWARD INTO THE NORTHEAST
GEORGIA AND THE WESTERN UPSTATE TONIGHT. SOME OF THE THUNDERSTORMS
ASSOCIATED WITH THIS FRONT WILL BECOME SEVERE WITH DAMAGING WIND
GUSTS...AND POSSIBLY POSSIBLY A BRIEF ISOLATED TORNADO OR TWO.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE THREAT FOR SEVERE WEATHER COULD LINGER INTO SATURDAY MORNING
AS A LINE OF THUNDERSTORMS ALONG A COLD FRONT CONTINUES TO PUSH
EASTWARD. THE MAIN THREAT AREA FOR SATURDAY MORNING WOULD BE
SOUTH AND EAST OF THE I-85 CORRIDOR WHERE THESE THUNDERSTORMS
COULD PRODUCE STRONG DAMAGING WIND GUSTS...AND A BRIEF ISOLATED
TORNADO OR TWO.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NCZ033-035>037-048>053-056>059-062>065-501>510-052230-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-
POLK MOUNTAINS-EASTERN POLK-
616 PM EDT FRI APR 4 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND
WESTERN NORTH CAROLINA.

.DAY ONE...TONIGHT

A COLD FRONT WILL THEN PUSH EASTWARD INTO THE WESTERN CAROLINAS
TONIGHT. AHEAD OF THIS FRONT...NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS WILL DEVELOP THIS EVENING. LATER TONIGHT ALONG THIS
FRONT...A LINE OF THUNDERSTORMS IS EXPECTED TO DEVELOP. WITH A
STRONGLY FORCED ATMOSPHERE IN PLACE...STRONG SHEAR AND WEAK
INSTABILITY WILL COMBINE TO CREATE THE THREAT FOR SEVERE WEATHER.
SOME OF THE THUNDERSTORMS THIS EVENING OR LATER TONIGHT COULD
BECOME SEVERE PRODUCING STRONG...DAMAGING WIND GUSTS AND POSSIBLY
A BRIEF ISOLATED TORNADO OR TWO.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE THREAT FOR SEVERE WEATHER COULD LINGER INTO SATURDAY MORNING
AS A LINE OF THUNDERSTORMS ALONG A COLD FRONT CONTINUES TO PUSH
EASTWARD. THE MAIN THREAT AREA FOR SATURDAY MORNING WOULD BE
SOUTH AND EAST OF THE I-85 CORRIDOR WHERE THESE THUNDERSTORMS
COULD PRODUCE STRONG DAMAGING WIND GUSTS...AND A BRIEF ISOLATED
TORNADO OR TWO.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NCZ068>072-082-SCZ003-006>009-012>014-019-052230-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREENVILLE MOUNTAINS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
LAURENS-UNION SC-CHESTER-GREENWOOD-
616 PM EDT FRI APR 4 2008

...TORNADO WATCH 166 IN EFFECT UNTIL 1 AM EDT SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND
UPSTATE SOUTH CAROLINA.

.DAY ONE...TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   TORNADO WATCH.

A COLD FRONT WILL THEN PUSH EASTWARD INTO THE WESTERN CAROLINAS
TONIGHT. AHEAD OF THIS FRONT...NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS WILL DEVELOP THIS EVENING. LATER TONIGHT ALONG THIS
FRONT...A LINE OF THUNDERSTORMS IS EXPECTED TO DEVELOP. WITH A
STRONGLY FORCED ATMOSPHERE IN PLACE...STRONG SHEAR AND WEAK
INSTABILITY WILL COMBINE TO CREATE THE THREAT FOR SEVERE WEATHER.
SOME OF THE THUNDERSTORMS THIS EVENING OR LATER TONIGHT COULD
BECOME SEVERE PRODUCING STRONG...DAMAGING WIND GUSTS AND POSSIBLY
A BRIEF ISOLATED TORNADO OR TWO.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE THREAT FOR SEVERE WEATHER COULD LINGER INTO SATURDAY MORNING
AS A LINE OF THUNDERSTORMS ALONG A COLD FRONT CONTINUES TO PUSH
EASTWARD. THE MAIN THREAT AREA FOR SATURDAY MORNING WOULD BE
SOUTH AND EAST OF THE I-85 CORRIDOR WHERE THESE THUNDERSTORMS
COULD PRODUCE STRONG DAMAGING WIND GUSTS...AND A BRIEF ISOLATED
TORNADO OR TWO.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ARK

In the hours before

Special weather statement, Apr 4, 5:22 PM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
522 PM EDT FRI APR 4 2008

NCZ051-058-059-062-063-042215-
GRAHAM-MACON-NORTHERN JACKSON-SOUTHERN JACKSON-SWAIN-
522 PM EDT FRI APR 4 2008

...STRONG THUNDERSTORMS WILL AFFECT JACKSON...MACON...SOUTHEASTERN
GRAHAM AND SOUTHERN SWAIN COUNTIES THROUGH 615 PM EDT...

AT 522 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM ROBBINSVILLE TO 3
MILES NORTHWEST OF YOUNG HARRIS...MOVING EAST AT 40 MPH.

THESE STORMS WILL BE NEAR...
  STECOAH BY 530 PM EDT.
  NANTAHALA LAKE BY 535 PM EDT.
  ALARKA BY 550 PM EDT.
  OTTO BY 600 PM EDT.
  SYLVA BY 610 PM EDT.
  CULLOWHEE BY 615 PM EDT.

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS...AND PEA
SIZE HAIL IS POSSIBLE.

HG
Special weather statement, Apr 4, 5:39 PM EDT, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
539 PM EDT FRI APR 4 2008

GAZ018-026-028-042245-
FRANKLIN-HART-STEPHENS-
539 PM EDT FRI APR 4 2008

...A STRONG THUNDERSTORM WILL AFFECT FRANKLIN...NORTHERN HART AND
SOUTHEASTERN STEPHENS COUNTIES THROUGH 645 PM EDT...

AT 539 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES WEST OF JEFFERSON...MOVING NORTHEAST AT
35 MPH.

THIS STORM WILL BE NEAR...
  CARNESVILLE BY 620 PM EDT.
  MARTIN BY 630 PM EDT.
  LAVONIA BY 635 PM EDT.
  WHITWORTH BY 640 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM. FREQUENT LIGHTNING IS ALSO POSSIBLE WITH THIS STORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS
AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG
UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

HG
Special weather statement, Apr 4, 6:18 PM EDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
618 PM EDT FRI APR 4 2008

GAZ018-026-028-042300-
FRANKLIN-HART-STEPHENS-
618 PM EDT FRI APR 4 2008

...A STRONG THUNDERSTORM WILL AFFECT FRANKLIN...HART AND SOUTHEASTERN
STEPHENS COUNTIES THROUGH 700 PM EDT...

AT 618 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHEAST OF COMMERCE...MOVING NORTHEAST
AT 55 MPH.

THIS STORM WILL BE NEAR...
  CARNESVILLE BY 625 PM EDT.
  CANON BY 630 PM EDT.
  LAVONIA BY 635 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

HG
Special weather statement, Apr 4, 6:41 PM EDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
641 PM EDT FRI APR 4 2008

SCZ012-013-042330-
LAURENS-UNION-
641 PM EDT FRI APR 4 2008

...A STRONG THUNDERSTORM WILL AFFECT EASTERN LAURENS AND SOUTHERN
UNION COUNTIES THROUGH 730 PM EDT...

AT 641 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR JOANNA...OR 14 MILES SOUTHEAST OF LAURENS...
MOVING NORTHEAST AT 35 MPH.

THIS STORM WILL BE NEAR...
  CARLISLE BY 715 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

HG
Local storm report, Apr 4, 7:01 PM EDT, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
701 PM EDT FRI APR 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0650 PM     HAIL             1 SE FAIR PLAY          34.50N 82.97W
04/04/2008  E0.25 INCH       OCONEE             SC   TRAINED SPOTTER

&&

KRENTZ
Special weather statement, Apr 4, 7:52 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
752 PM EDT FRI APR 4 2008

NCZ082-SCZ009-014-050030-
CHESTER-UNION-YORK-
752 PM EDT FRI APR 4 2008

...A STRONG THUNDERSTORM WILL AFFECT CHESTER...SOUTHEASTERN YORK AND
SOUTHWESTERN UNION COUNTIES THROUGH 830 PM EDT...

AT 752 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF CHESTER...MOVING NORTHEAST AT 25
MPH.

THIS STORM WILL BE NEAR...
  CATAWBA BY 830 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

HG

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 4, 9:28 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Union62 min
Apr 4, 8:35 PM EDTSevere Thunderstorm WarningGSPGreenwood, Laurens, Union35 min
Apr 4, 9:08 PM EDTTornado WarningGSPYork33 min
Apr 4, 9:22 PM EDTTornado WarningGSPChester27 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2008Every severe thunderstorm warning in 2008

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; radar from the NEXRAD Level II archive.