Alert archive / North Carolina / Tornado Warnings in 2008

Tornado Warning 18, NWS Greenville-Spartanburg, SC

April 19, 2008Cleveland County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 19, 2008, 8:37 PM EDT for Cleveland County, North Carolina. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 19, 2008, 8:37 PM EDT (00:37 UTC)
Expired
Apr 19, 2008, 9:01 PM EDT
In force
24 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Cleveland County, NC

The radar

The Greer radar (KGSP), 89 km from the middle of the area, began a volume at 00:38 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.6 hours before the alert went out and 163 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 2008-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 joules per kilogram.LCLLFCEL10008507005003002001001 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 2008-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.193958Sfc1 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
40 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1047 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
166 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 
WFUS52 KGSP 200037
TORGSP
NCC045-200115-
/O.NEW.KGSP.TO.W.0018.080420T0037Z-080420T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
837 PM EDT SAT APR 19 2008

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CLEVELAND COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 915 PM EDT

* AT 833 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES
  NORTHWEST OF SHELBY...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO EXPECTED TO BE NEAR...
  FALLSTON AROUND 850 PM EDT...
  BELWOOD AND WACO AROUND 855 PM EDT...

MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS. MAKE SURE THERE ARE AS MANY WALLS AND FLOORS
BETWEEN YOU AND THE OUTSIDE AS POSSIBLE.

TO REPORT TORNADOES...DAMAGING WINDS...LARGE HAIL...OR FLOODING...
THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3556 8153 3552 8151 3551 8151 3549 8150
      3547 8148 3536 8141 3525 8160 3538 8170
TIME...MOT...LOC 0037Z 230DEG 22KT 3535 8158

$$

MOORE
2 follow-up statements
000 
WWUS52 KGSP 200045
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
844 PM EDT SAT APR 19 2008

NCC045-200115-
/O.CON.KGSP.TO.W.0018.000000T0000Z-080420T0115Z/
CLEVELAND NC-
844 PM EDT SAT APR 19 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR NORTHERN
CLEVELAND COUNTY...

AT 842 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 4 MILES SOUTH OF
FALLSTON...OR ABOUT 6 MILES NORTH OF SHELBY...MOVING NORTHEAST AT 25
MPH.

THE TORNADO WILL BE NEAR...
  FALLSTON AND WACO BY 850 PM EDT...

A TORNADO IS IMMINENT FROM THIS SEVERE THUNDERSTORM...TAKE COVER NOW 
IF YOU LIVE BETWEEN FALLSTON AND WACO

TORNADOES WHICH OCCUR AFTER DARK ARE ESPECIALLY DANGEROUS. PEOPLE IN
THE WARNED AREA SHOULD PREPARE IMMEDIATELY FOR THIS TORNADO. MOBILE
HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS.

LAT...LON 3556 8153 3552 8151 3551 8151 3549 8150
      3547 8148 3536 8141 3525 8160 3538 8170
TIME...MOT...LOC 0044Z 230DEG 22KT 3538 8149

$$

MOORE
000 
WWUS52 KGSP 200101
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
901 PM EDT SAT APR 19 2008

NCC045-200111-
/O.CAN.KGSP.TO.W.0018.000000T0000Z-080420T0115Z/
CLEVELAND NC-
901 PM EDT SAT APR 19 2008

...THE TORNADO WARNING FOR NORTHERN CLEVELAND COUNTY IS CANCELLED...

THE SEVERE THUNDERSTORM HAS MOVED OUT OF CLEVELAND COUNTY AND INTO 
LINCOLN COUNTY...SO THE TORNADO WARNING FOR NORTHERN CLEVELAND 
COUNTY HAS BEEN CANCELLED.

LAT...LON 3556 8153 3552 8151 3551 8151 3549 8150
      3547 8148 3536 8141 3525 8160 3538 8170
TIME...MOT...LOC 0101Z 230DEG 22KT 3545 8139

$$

MOORE

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Apr 19, 2:45 PM EDT, 5 hours 52 minutes earlier.

Area forecast discussion, Apr 19, 2:45 PM EDT, 5 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
245 PM EDT SAT APR 19 2008

.SYNOPSIS...
A WEAK COLD FRONT WILL MOVE SLOWLY TO THE EAST ACROSS THE CAROLINAS
TONIGHT.  AN UPPER LEVEL LOW WILL MOVE FROM KENTUCKY TONIGHT TO THE
VIRGINIA...NORTH CAROLINA COAST SUNDAY NIGHT OR EARLY MONDAY.
HIGH PRESSURE BUILDS INTO THE AREA FROM THE NORTH MONDAY AND REMAINS
IN PLACE INTO LATE WEEK.

&&

.NEAR TERM /UNTIL 6 AM SUNDAY MORNING/...
SCATTERED SHOWERS ASSOCIATED WITH DEEPER MOISTURE WILL CONTINUE TO
MOVE ACRS THE EASTERN FA DURING THE LATTER HALF OF THE AFTERNOON
WITH PARTIAL CLEARING DEVELOPING IN IT/S WAKE JUST OUT AHEAD OF
APPROACHING COLD FRONT...WHICH IS ACRS EXTREME NE GA/SW NC AS OF
18 UTC. LAPS DATA SHOWS SLOW DESTABILIZATION WHERE SUNSHINE HAS
BEEN DEVELOPING...BUT CAPPED SNDGS WITH WARM AIR AROUND 600 MB.
IT REMAINS DEBATABLE ON HOW MUCH CAP CAN ERODE AND HOW MUCH MORE
ATMOSPHERE CAN DESTABILIZE BEFORE FROPA. AT ANY RATE...WILL
CONTINUE TO MENTION SCATTERED SHOWERS AND JUST ISOLATED TSTM
CHANCE AHEAD OF FRONT THRU MID-EVENING WITH JUST TOKEN LINGERING
SHOWER CHANCES THEREAFTER AS UPPER LOW SAGS SE INTO WESTERN NC.

&&

.SHORT TERM /6 AM SUNDAY MORNING THROUGH TUESDAY NIGHT/...
AS OF 2 PM SATURDAY MODELS STILL HANDLING FIRST SYSTEM WELL OVER THE
SOUTHEAST.  CLOSED LOW OVER THE OHIO VALLEY STILL EXPECTED TO MOVE
SLOWLY OFFSHORE BY MONDAY.  AFTER TONIGHT MOST OF THE PRECIPITATION
WILL BE TO THE WEST OF US AS WE STAY ON BACK SIDE OF THE LOW IN
NORTHWEST FLOW.  PREFER THE GFS IN THIS INITIAL SYSTEM BECAUSE OF
SLOWER MOVEMENT ACROSS THE AREA.

SECOND IMPULSE BEGINS TO AFFECT AREA ON WEDNESDAY.  THE STRONGEST
INSTABILITY REMAINS TO OUR WEST BEFORE THE DRIFTS OFF TO THE NORTH
SO THUNDERSTORM ACTIVITY NEVER GETS PAST CHANCE CATEGORY.  I WENT
WITH HPC PREFERENCE FOR THE ECM ON THIS SYSTEM WHICH SEEMS TO HAVE
THE BEST CONTINUITY.  NOT MUCH DIFFERENCE BETWEEN HPC AND MOS
GUIDANCE SO IT GENERALLY TOOK A BLEND...BUT THERE WE LITTLE CHANGE
FROM THE PREVIOUS PACKAGE.

&&

.LONG TERM /WEDNESDAY THROUGH FRIDAY/...
AS OF 130 PM SATURDAY...THE ECMWF IS THE MODEL OF CHOICE AS THE GFS
GETS OUT OF PHASE. A SOMEWHAT SKINNY UPPER LEVEL RIDGE IS FORECAST
TO BE OVER GEORGIA AND THE CAROLINAS EXTENDING UP THE EAST COAST
FROM THURSDAY THROUGH THE START OF THE WEEKEND.  THIS UPPER RIDGE
AND WEAK SURFACE HIGH WILL BEGIN TO BREAK DOWN THROUGH THE REMAINDER
OF THE WEEKEND AS A WEAK DISSIPATING COLD FRONT APPROACHES THE AREA
FROM TENNESSEE...BUT STALLS OUT.  APPEARS TO BE GOOD FOR SLIGHT
CHANCE TO LOW CHANCE DIRUNAL CONVECTION EACH DAY...BUT ESPECIALLY
FOR THE MOUNTAINS ON THURSDAY AND FRIDAY.  SHOULD BE SOME LINGERING
MOISTURE FROM THE REMNANTS OF THE FRONT THROUGH THE WEEKEND TO
MAINTAIN SLIGHT DAILY POPS.

&&

.AVIATION /19Z SATURDAY THROUGH THURSDAY/...
COLD FRONT ENTERING THE WESTERN FA EARLY THIS AFTERNOON...WILL
CONTINUE TO TRANSLATE EASTWARD ACRS THE TERMINAL LOCATIONS THRU 00
UTC. SCATTERED SHOWERS AND PERHAPS EVEN SOME DEVELOPING TSTMS WILL
CONTINUE TO BE TRIGGERED BY THIS FEATURE. OUTSIDE OF THE NEXT TWO
HOURS...WHERE RESTRICTIONS ACRS THE UPSTATE AND KAVL TAFS WILL
GRADUALLY IMPROVE...BEST CHANCES FOR SHOWERS...POSSIBLY EVEN A
CB...WILL BE AT KCLT/KHKY WHERE THE AIRMASS WILL REMAIN MOIST THE
LONGEST AND HAVE BEST CHANCE OF STABILIZING AHEAD OF FRONT.
PROGRESSIVELY VEERING LLVL WINDS TONIGHT IN WAKE OF FRONT EXPECTED
TO RESULT IN QUIET WX CONDITIONS...EXPECT POSSIBLY AT KAVL WHERE
SOME MVFR CLOUDINESS COULD WORK UP THE FRENCH BROAD VALLEY.

OUTLOOK...THERE REMAINS THE POTENTIAL FOR A FEW SHOWERS AND/OR TSTMS
ACROSS WESTERN NC ON SUNDAY UNDER THE MID LEVEL COOL POOL WITH THE
UPPER LOW. SHOWERS MAY ACCOMPANY THE DEPARTURE OF THE LOW AT KCLT ON
MONDAY. TUESDAY COULD FEATURE SOME CLOUD COVER AS LIMITED ATLANTIC
MOISTURE WRAPS AROUND THE DEPARTING LOW OFFSHORE...BUT RESTRICTIONS
DO NOT APPEAR LIKELY AT THIS TIME. ANOTHER COLD FRONT WILL SPREAD
MOISTURE INTO THE AREA ON WEDNESDAY...BUT AGAIN...LIMITED MOISTURE
DOES NOT LEND MUCH SUPPORT TO RESTRICTIONS.

&&

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

&&

SYNOPSIS...DEO
NEAR TERM...CSH
SHORT TERM...VAD
LONG TERM...DEO
AVIATION...CSH
Hazardous weather outlook, Apr 19, 10:50 AM EDT, 9 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1050 AM EDT SAT APR 19 2008

NCZ033-035>037-048>053-056>059-062>065-068>072-082-501>510-
SCZ001>014-019-201500-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL-
BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1050 AM EDT SAT APR 19 2008

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON AND
EVENING AHEAD OF A COLD FRONT MOVING ACROSS THE AREA. ALTHOUGH
INSTABILITY WILL BE WEAK...MODERATE WIND SHEAR AND COLD MID LEVEL
TEMPERATURES WILL LEAD TO THE THREAT FOR A FEW OF THE STORMS TO
BECOME SEVERE. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS TO 60
MPH ARE POSSIBLE WITHIN THESE STRONGER STORMS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

GAZ010-017-018-026-028-029-201500-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-
1050 AM EDT SAT APR 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Apr 19, 8:09 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
809 PM EDT SAT APR 19 2008

NCZ068>070-200115-
CLEVELAND-GASTON-LINCOLN-
809 PM EDT SAT APR 19 2008

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CLEVELAND...
NORTHWESTERN GASTON AND NORTHWESTERN LINCOLN COUNTIES THROUGH 915 PM
EDT...

AT 807 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES EAST OF LAWNDALE...OR 9 MILES NORTH OF
SHELBY...MOVING NORTHEAST AT 28 MPH.

THIS STORM WILL BE NEAR...
  5 MILES SOUTHEAST OF VALE BY 825 PM EDT.
  LINCOLNTON BY 840 PM EDT.
  BOGER CITY BY 845 PM EDT.
  DENVER BY 905 PM EDT.

PEOPLE IN NORTHERN CLEVELAND...NORTHWESTERN GASTON AND NORTHWESTERN
LINCOLN COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...

LAWNDALE...LINCOLNTON...BOGER CITY AND DENVER...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

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

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 8:15 PM EDTTornado WarningGSPCleveland, Lincoln45 min
Apr 19, 8:49 PM EDTTornado WarningGSPGaston11 min
Apr 19, 8:52 PM EDTTornado WarningGSPCatawba38 min
Apr 19, 8:58 PM EDTTornado WarningGSPLincoln47 min
Apr 19, 9:19 PM EDTSevere Thunderstorm WarningGSPIredell56 min
Apr 19, 9:46 PM EDTSevere Thunderstorm WarningGSPDavie, Rowan59 min
Apr 20, 1:16 PM EDTSevere Thunderstorm WarningGSPCabarrus29 min

Nearby

Tornado Warnings in North Carolina, 2008Every tornado warning in 2008Tornadoes 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.