Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 101, NWS Greenville-Spartanburg, SC

April 22, 2006Henderson County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 22, 2006, 2:27 AM EDT for Henderson County, North Carolina. It was in force for 63 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 22, 2006, 2:27 AM EDT (06:27 UTC)
Expired: Apr 22, 2006, 3:30 AM EDT
In force: 63 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

County Henderson County, NC

The radar

The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 06:26 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 6.5 hours before the alert went out and 247 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: 348 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1121 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 320 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.7

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 22, 2:00 AM EDT, 27 minutes earlier.

Area forecast discussion, Apr 22, 2:00 AM EDT, 27 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
200 AM EDT SAT APR 22 2006

.SHORT TERM /TODAY THROUGH MONDAY/...
UPPER LOW CONTINUES TO SPIN OVER GREAT LAKES WHILE SHORTWAVES
TRANSLATE THROUGH UPPER TROUGH OVER THE SE STATES. AREA REMAINS
UNDER GOOD UPPER LEVEL DIVERGENCE WITH LARGE SCALE LIFT AND DEEP
MOISTURE. PERIODS OF STRONG CONVECTION WILL BE POSSIBLE THROUGH MUCH
OF SAT SO WILL CONTINUE CATEGORICAL POPS OVER BULK OF CWA UNTIL MID
DAY...THEN DECREASING POPS FROM THE W DURG THE LATE AFTN. EXPECT A
BREAK SAT NIGHT BEFORE A SHORTWAVE...UPPER DIVERGENCE AND A SFC
BOUNDARY PUSH S TOWARD MTNS SUN. HAVE ADDED SLIGHT CHANCE TSTMS...
MAINLY OVER MTNS SUN. WINDS ALSO INCREASE FROM THE SW SUN AS SFC
HIGH BUILDS ALONG GULF AND LOW PRESSURE DEEPENS NE OF AREA. SLIGHT
CHANCE TSTMS OVER MTNS CONTINUES MON.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
A CHANCE OF SHOWERS/TSTMS CONTINUES TUE AND WED AS FRONT PUSHES
FARTHER S INTO AREA. COOL HIGH PRESSURE BUILDS IN FROM THE N FOR
THU AND FRI. NO CHANGES WERE MADE TO THE EXTENDED FORECAST.

&&

.AVIATION...
VERY COMPLICATED 6Z TAF PACKAGE. MCS CURRENTLY WORKING ACROSS THE
UPPER SAVANNAH RIVER VALLEY WITH INDEPENDENT CONVECTIVE COMPLEXES NE
ACROSS THE NC MTNS AND I-40 CORRIDOR. THE FIRST CHALLENGE WILL BE
TIMING THE MCS ACROSS THE TERMINALS. TOWARD SUNRISE...THE MAJORITY
OF THE MOS GUIDANCE INDICATES THAT AFTER 9Z MVFR TO IFR FOG AND
STRATUS MAY DEVELOP. CURRENT TRENDS ACROSS THE REGION DOES NOT
SUPPORT A RAPID DECREASE IN THE CEILING DUE TO THE CONVECTION.
HOWEVER...BASED ON THE RECENT RAINFALL AND MORNING FOG I WILL
INCLUDE A TEMPO BETWEEN 10-13Z.

TROF AXIS WILL MOVE ACROSS THE CWA THIS AFTERNOON...BRINGING ANOTHER
ROUND OF SHRA AND TSRA. HOWEVER...REGIONAL RADAR COMPOSITE SHOWS
SOME OF THE STRONGER STORMS A FEW HOURS AHEAD OF THE MID LEVEL TROF.
I WILL FAVOR TIMING A LITTLE EARLIER THAN THE NAM FOR AFTERNOON
TSRA...I WILL HIGHLIGHT TSRA WITH A TEMPO BETWEEN 15-19Z. BY 0Z
SUN...WINDS SHOULD VEER AND SKY WILL CLEAR...VFR FORECAST FOR THE
REST OF THE NIGHT.

&&

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

SHORT TERM...RB
LONG TERM...RB
AVIATION...NED

Hazardous weather outlook, Apr 21, 3:31 AM EDT, 22 hours 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
331 AM EDT FRI APR 21 2006

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-220745-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
331 AM EDT FRI APR 21 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND
UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT

LOOK FOR THUNDERSTORMS IN THE AREA TODAY AND TONIGHT. SOME STORMS
COULD BECOME SEVERE...THE MAIN THREAT BEING LARGE HAIL AND WIND.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS THE AREA SATURDAY INTO
SATURDAY EVENING. THERE IS ANOTHER CHANCE OF THUNDERSTORMS
WEDNESDAY AND WEDNESDAY NIGHT. SOME STORMS COULD BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY.

In the hours before

Special weather statement, Apr 21, 10:47 PM EDT, 3 hours 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1047 PM EDT FRI APR 21 2006

NCZ036-056-069-220345-
CATAWBA-IREDELL-LINCOLN NC-
INCLUDING THE CITIES OF...HICKORY...LINCOLNTON...STATESVILLE
1047 PM EDT FRI APR 21 2006

...STRONG THUNDERSTORM TO AFFECT THE AREA FROM LINCOLNTON TO
STATESVILLE THROUGH 1145 PM...

AT 1047 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM JUST EAST OF LINCOLNTON...MOVING NORTHEAST AT
20 MPH. THIS THUNDERSTORM WILL AFFECT DENVER BY 11 PM...TERRELL
BY 1115 PM...AND TROUTMAN BY 1130 PM. EXPECT TORRENTIAL
DOWNPOURS...FREQUENT LIGHTNING...AND POSSIBLY SMALL HAIL WITH THIS
THUNDERSTORM.

HG

Special weather statement, Apr 21, 10:53 PM EDT, 3 hours 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1053 PM EDT FRI APR 21 2006

NCZ033-048>053-058-059-062>065-220500-
AVERY-BUNCOMBE-GRAHAM-HAYWOOD-HENDERSON-MACON NC-MADISON NC-
MITCHELL NC-NORTHERN JACKSON NC-SOUTHERN JACKSON NC-SWAIN-
TRANSYLVANIA-YANCEY-
INCLUDING THE CITIES OF...ASHEVILLE...BREVARD...CHEROKEE...
FRANKLIN...HENDERSONVILLE...NEWLAND...SPRUCE PINE...SYLVA...
WAYNESVILLE
1053 PM EDT FRI APR 21 2006

...STRONG THUNDERSTORMS TO AFFECT THE NORTH CAROLINA MOUNTAINS
THROUGH THE EARLY MORNING HOURS...

A LINE OF STRONG THUNDERSTORMS WILL MOVE SLOWLY EAST INTO THE NORTH
CAROLINA MOUNTAINS DURING THE EARLY MORNING HOURS. THESE
THUNDERSTORMS WILL BEGIN TO AFFECT THE SMOKY MOUNTAINS AREA BY
MIDNIGHT...AND GRADUALLY SPREAD EAST TO THE BLUE RIDGE THROUGH 3
AM. TORRENTIAL RAINFALL AT RATES OF 1/2 TO 1 INCH PER HOUR WILL
ACCOMPANY THE THUNDERSTORMS...AS WELL AS FREQUENT LIGHTNING...AND
ISOLATED PEA SIZE HAIL.

HG

Special weather statement, Apr 21, 11:35 PM EDT, 2 hours 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1135 PM EDT FRI APR 21 2006

SCZ007-220400-
SPARTANBURG-
INCLUDING THE CITY OF...SPARTANBURG
1135 PM EDT FRI APR 21 2006

...STRONG THUNDERSTORM TO AFFECT NORTHERN SPARTANBURG COUNTY THROUGH
MIDNIGHT...

AT 1132 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES NORTHWEST OF BOILING SPRINGS...MOVING
NORTHEAST AT 25 MPH. THIS THUNDERSTORM WILL AFFECT THE FINGERVILLE
AREA AROUND 1145 PM. EXPECT TORRENTIAL DOWNPOURS...FREQUENT
LIGHTNING AND POSSIBLY PEA SIZE HAIL WITH THIS THUNDERSTORM.

HG

Special weather statement, Apr 22, 12:14 AM EDT, 2 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1214 AM EDT SAT APR 22 2006

GAZ010-017-018-026-028-029-SCZ001-004-010-011-019-220615-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-OCONEE MOUNTAINS-
GREATER OCONEE-ANDERSON-ABBEVILLE-GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...ANDERSON...ABBEVILLE...GREENWOOD
1214 AM EDT SAT APR 22 2006

...STRONG THUNDERSTORMS MOVING INTO NORTHEAST GEORGIA AND THE
WESTERN UPSTATE...

AT 1210 AM EDT...WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS MOVING NORTHEAST AT 35 MPH INTO NORTHEAST GEORGIA.
BETWEEN 1230 AND 115 AM THE LINE WILL MOVE ACROSS MOST OF
HABERSHAM... RABUN AND STEPHENS COUNTIES.

40 TO 50 MPH WINDS...PEA SIZED HAIL...TORRENTIAL RAIN AND
CONTINUOUS CLOUD TO GROUND LIGHTING WILL ACCOMPANY THE STRONGER
STORMS IN THE LINE. A FEW OF THE STORMS MAY BECOME SEVERE AS THEY
MOVE ACROSS THE AREA WITH LARGE HAIL AND DAMAGING WINDS.

BETWEEN 1 AND 2 AM THE LINE WILL MOVE ACROSS FRANKLIN COUNTY IN
GEORGIA AND OCONEE AND WESTERN PICKENS COUNTIES IN SOUTH CAROLINA.

MCAVOY

Local storm report, Apr 22, 12:26 AM EDT, 2 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1226 AM EDT SAT APR 22 2006

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

0731 PM     HAIL             1 N BELTON              34.54N 82.50W
04/21/2006  M0.25 INCH       ANDERSON           SC   PUBLIC

            GOLFBALL SIZE HAIL COVERING THE GROUND.

&&

HG

Local storm report, Apr 22, 12:26 AM EDT, 2 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1226 AM EDT SAT APR 22 2006

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

0731 PM     HAIL             1 N BELTON              34.54N 82.50W
04/21/2006  M1.25 INCH       ANDERSON           SC   PUBLIC

            GOLFBALL SIZE HAIL COVERING THE GROUND.

&&

HG

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 1:48 AM EDT	Severe Thunderstorm Warning	GSP	Transylvania	51 min
Apr 22, 4:22 AM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	53 min
Apr 22, 5:05 AM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	55 min
Apr 22, 5:12 AM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	63 min
Apr 22, 6:07 AM EDT	Severe Thunderstorm Warning	GSP	Union	38 min
Apr 22, 2:46 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	52 min
Apr 22, 4:20 PM EDT	Severe Thunderstorm Warning	GSP	Union	24 min
Apr 22, 4:58 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	45 min
Apr 22, 5:21 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	31 min
Apr 22, 5:34 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	56 min
Apr 21, 8:05 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	40 min
Apr 21, 8:05 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	55 min
Apr 21, 8:34 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	56 min
Apr 21, 8:52 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	38 min
Apr 21, 9:02 PM EDT	Tornado Warning	GSP	Spartanburg	14 min
Apr 21, 9:09 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	44 min
Apr 21, 9:29 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	49 min
Apr 21, 10:56 PM EDT	Severe Thunderstorm Warning	GSP	Chester	64 min
Apr 22, 1:03 AM EDT	Severe Thunderstorm Warning	GSP	Oconee	57 min
Apr 22, 2:08 AM EDT	Severe Thunderstorm Warning	GSP	Greenville	67 min
Apr 22, 3:21 AM EDT	Severe Thunderstorm Warning	GSP	Abbeville	29 min
Apr 22, 12:50 AM EDT	Severe Thunderstorm Warning	GSP	Habersham	28 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2006 Every severe thunderstorm warning in 2006

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.