Alert archive / North Carolina / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 83, NWS Greenville-Spartanburg, SC

June 18, 2005Haywood County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 18, 2005, 2:30 PM EDT for Haywood County, North Carolina. It was in force for 23 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 18, 2005, 2:30 PM EDT (18:30 UTC)
Expired
Jun 18, 2005, 2:53 PM EDT
In force
23 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Haywood County, NC

The radar

The Knoxville radar (KMRX), 81 km from the middle of the area, began a volume at 18:32 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.

What was reported inside it

TimeReportWhereRemark
Jun 18, 2:37 PM EDTHAIL 0.75Canton, NCCANTON FIRE DEPT REPORTED

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm 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 12:00Z, 6.5 hours before the alert went out and 273 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 12:00Z on 2005-06-18Temperature 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 12:00Z on 2005-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
2247 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
51 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 
WUUS52 KGSP 181831
SVRGSP
NCC087-181930-
/O.NEW.KGSP.SV.W.0083.050618T1830Z-050618T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
230 PM EDT SAT JUN 18 2005

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HAYWOOD COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 330 PM EDT

* AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR CANTON...OR ABOUT 11 MILES NORTHEAST OF
  WAYNESVILLE...AND MOVING NORTHEAST AT 10 MPH.

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM.

LAT...LON 3565 8295 3547 8287 3550 8278 3557 8278
      3566 8288

$$

NED
1 follow-up statement
000 
WWUS52 KGSP 181853
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 PM EDT SAT JUN 18 2005

NCC087-181902-
/O.CAN.KGSP.SV.W.0083.000000T0000Z-050618T1930Z/
HAYWOOD NC-
252 PM EDT SAT JUN 18 2005

...THE SEVERE THUNDERSTORM WARNING FOR HAYWOOD COUNTY HAS BEEN 
CANCELED...

THE SEVERE THUNDERSTORM HAS MOVED TO THE EAST OF THE COUNTY AND HAS 
ALSO WEAKENED.  HAIL UP TO 3/4 INCH IN DIAMETER WAS REPORTED BY THE 
CANTON FIRE DEPARTMENT AT ABOUT 237 PM EDT.

OTHER STORMS NEARBY MAY STRENGTHEN...AND ADDITIONAL WARNINGS MAY BE 
REQUIRED.

LAT...LON 3565 8295 3547 8287 3550 8278 3557 8278
      3566 8288

$$
JONES

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 Jun 18, 11:21 AM EDT, 3 hours 9 minutes earlier.

Area forecast discussion, Jun 18, 11:21 AM EDT, 3 hours 9 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1121 AM EDT SAT JUN 18 2005

.SHORT TERM (REST OF TODAY)...
H5 TROUGH WILL CONTINUE TO DESCEND OVER THE CWA TODAY WITH H5 TEMPS
COOLING TO -13C BY 21Z. NAM AND SREF ADVERTISE A CAPE GRADIENT
ACROSS THE FA...WITH 2K OVER THE SAVANNAH VALLEY TO AROUND 500
J/KG OVER THE NRN NC PIEDMONT. FORECAST SOUNDINGS OFFER GUIDANCE
SUPPORTING STRONG CONVECTION PRODUCING SVR HAIL ALONG WITH
INTENSE RAINFALL. STM MOTIONS WILL REMAIN LESS THAN 10
KTS...SUPPORTING POPS IN THE SCT CATE. CURRENT CU FIELD SHOULD
CONTAIN TCU BY EARLY AFTERNOON. FIRST CONVECTIVE ELEMENTS SHOULD
SPAWN OVER THE EAST FACING SLOPES AND ALONG THE PIEDMONT/MIDLANDS
BY 2 PM.

UPDATE WILL CONTAIN MINOR CHANGES. REDUCED TEMPS OVER THE NRN
2/3RDS BY A DEGREE BASED ON FLP. UPDATED WITH LATEST NAM WINDS AND
ADJUSTED SKY TO LATEST THINKING. LITTLE CHANGE IN THE WRITTEN
FORECAST EXPECTED. WILL LEAVE SPS GOING AND WILL EXPECT THE
GREATEST CHC FOR SVR TS WITHIN THE SLGT RISK HIGHLIGHTING THE
SAVANNAH RIVER VALLEY AND UPSTATE.

&&

.PREVIOUS DISCUSSION...
(ISSUED 226 AM EDT SAT JUN 18 2005)

SHORT TERM (TODAY THROUGH MONDAY NIGHT)...
MODELS CONSISTENT WITH DEEPENING UPPER TROF OVER THE E US NEXT
COUPLE DAYS. MOISTURE INCREASES FROM THE ATLANTIC DURG DAY AS HIGH
PRESSURE IN LOWER LEVELS BUILDS TO THE N...WITH LOW PRESSURE
S...PUTTING AREA IN EASTERLY UPSLOPE FLOW. HAVE GONE WITH SLIGHT
CHANCE POPS THIS MORNING...THEN WITH DEEPENING MOISTURE DURG
DAY...SOLID CHANCE THIS AFTN. MODEL CAPES RISE ABOVE 1000 J/KG THIS
AFTN WITH LI -3 TO -4. SHEAR IS WEAK BUT GUST POTENTIAL IS THERE AND
WBZ IS AROUND 9K FT. COULD SEE STRONG GUSTY WINDS AND HAIL IN LATE
DAY TSTMS...ESP S ZONES WHERE DP IS HIGHER.

WITH E FLOW CONTINUING OVERNIGHT HAVE KEPT CHANCE POPS OVER
ESCARPMENT AND ADJACENT UPSLOPE AREAS. MOISTURE CONTINUES TO DEEPEN
SUN AND WITH COLD POOL ALOFT EXPECT SCT TSTMS AGAIN. HAVE LEFT SOLID
CHANCE POPS DURG DAY...EXCEPT LOWER POP OVER FAR W MTNS. CHANCE POPS
CONTINUE INTO MON AS WEAK UPSLOPE OFF ATLANTIC LINGERS OVER AREA.
TEMPERATURES WILL BE SLIGHTLY BLO AVG TODAY...THEN SLIGHTLY COOLER
SUN-MON WITH MORE AFTN CLOUDS AND COOLER ENE FLOW.

LONG TERM (TUESDAY THROUGH FRIDAY)...
EASTERLY FLOW WEAKENS TUE WITH POPS TAPERING TO SLIGHT CHANCE. HI
PRES BUILDS TO THE S LATE TUE AND WED...BRINGING A DRYER W FLOW OVER
THE REGION INTO THU. BERMUDA HIGH EXPECTED TO SET UP AGAIN BY FRI
WHICH WILL PUT AREA IN MOIST S FLOW FOR CHANCE POPS BY THE END OF
THE WEEK. NO CHANGES MADE TO EXTENDED FORECAST.

AVIATION...
APPROACH OF POTENT UPPER VORT AND INCREASINGLY EASTERLY FLOW INTO
THE SOUTHERN APPALACHIANS SHOULD RESULT IN SCATTERED CONVECTION THIS
AFTERNOON. BY 06Z...MODELS SUGGEST AN UPPER LOW ALOFT WILL BE IN OUR
VICINITY...WITH CONVECTION LIKELY UNDER THE COLD POOL. WE ADVERTISED
BEST CHANCES FOR CONVECTION AT KAVL/KAND/KGSP FROM MID AFTERNOON
THROUGH THE END OF THE OUTLOOK PERIOD...WHILE A PROLONGED VCSH WAS
INDICATED AT KCLT AFTER 20Z MODELS KEEP MOST SIGNIFICANT RAINFALL
AWAY FROM THE KCLT SITE ITSELF UNTIL AROUND 06Z...ALTHOUGH NOT FAR
AWAY. IN ANY EVENT...WITH RATHER DRY SURFACE LAYER INITIALLY...NO
WORSE THAN MVFR CEILINGS/VISIBILITIES EXPECTED IN THE PRESENCE OF
ANY SHRA/TSRA. INSTABILITY WITH HEATING AND COLD POOL SHOULD MAKE
THUNDER A GOOD POSSIBILITY IN THE WESTERN TAF SITES THROUGH LATE
AFTERNOON.

&&

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

SHORT TERM...NED
Hazardous weather outlook, Jun 18, 3:51 AM EDT, 10 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
351 AM EDT SAT JUN 18 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-190800-
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-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
351 AM EDT SAT JUN 18 2005

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

.DAY ONE...TODAY AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS TODAY...MAINLY THIS AFTERNOON AND
EVENING...SOME STORMS MAY BECOME QUITE STRONG WITH DAMAGING WINDS
AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS SUNDAY...THEN AGAIN ON FRIDAY...SOME
STORMS MAY BECOME STRONG...WITH STRONG GUSTY WINDS AND HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING.

RB

In the hours before

Special weather statement, Jun 18, 9:57 AM EDT, 4 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
957 AM EDT SAT JUN 18 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-182000-
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-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...CHEROKEE...WAYNESVILLE...ASHEVILLE...MARION...
MORGANTON...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE...COLUMBUS...RUTHERFORDTON...SHELBY...LINCOLNTON...
GASTONIA...CHARLOTTE...CONCORD...MONROE...GREENVILLE...
SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...ABBEVILLE...
LAURENS...UNION...CHESTER...GREENWOOD
957 AM EDT SAT JUN 18 2005

...SEVERE WEATHER OUTLOOK...

AN UPPER TROUGH WILL MOVE OVER THE AREA TODAY AND TONIGHT. AT THE
SAME TIME...MOISTURE WILL INCREASE OVER THE REGION AND EAST WINDS
WILL GENERATE UPSLOPE ENHANCEMENT. AS TEMPERATURES RISE TODAY...THE
ATMOSPHERE WILL BECOME QUITE UNSTABLE AND BY THIS AFTERNOON
SCATTERED THUNDERSTORMS WILL BE POSSIBLE. A FEW THUNDERSTORMS
COULD PRODUCE PENNY SIZED HAIL AND DAMAGING WINDS.

THE AREA OF GREATEST THREAT FOR SEVERE STORMS WILL BE ACROSS
NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA...ESPECIALLY ALONG
AND SOUTH OF INTERSTATE 85 WHERE TEMPERATURES AND DEWPOINTS WILL
BE HIGHER...BUT ISOLATED SEVERE STORMS WILL BE POSSIBLE ACROSS
WESTERN NORTH CAROLINA AS WELL.

STAY TUNED TO NOAA WEATHER RADIO...ALL HAZARDS...OR YOUR FAVORITE
MEDIA FOR THE LATEST INFORMATION ON THIS DEVELOPING WEATHER
SITUATION.

NED/RB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 3:24 PM EDTSevere Thunderstorm WarningGSPHaywood67 min
Jun 18, 3:35 PM EDTSevere Thunderstorm WarningGSPBuncombe49 min
Jun 18, 4:28 PM EDTFlash Flood WarningGSPMacon3 hr
Jun 18, 4:40 PM EDTSevere Thunderstorm WarningGSPHaywood65 min
Jun 18, 6:05 PM EDTSevere Thunderstorm WarningGSPRutherford55 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2005Every severe thunderstorm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.