Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 401, NWS Greenville-Spartanburg, SC

July 4, 2006Cleveland County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 4, 2006, 5:56 PM EDT for Cleveland County, North Carolina. It was in force for 41 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: Jul 4, 2006, 5:56 PM EDT (21:56 UTC)
Expired: Jul 4, 2006, 6:37 PM EDT
In force: 41 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

County Cleveland County, NC

The radar

The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 21:57 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 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 Jul 4, 3:09 PM EDT, 2 hours 47 minutes earlier.

Area forecast discussion, Jul 4, 3:09 PM EDT, 2 hours 47 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
309 PM EDT TUE JUL 4 2006

.SHORT TERM /TONIGHT THROUGH THURSDAY NIGHT/...
THUNDERSTORMS ARE FIRING UP AGAIN IN THE NC MOUNTAINS THIS
AFTERNOON. THE LATEST RUC MATCHES UP BETTER WITH THE WRF THAN WITH
THE GFS IN THAT IT STRENGTHENS LOW LEVEL CONVERGENCE IN THE LEE OF
THE APPALACHIANS RATHER THAN OVER WESTERN TN. THIS COUPLED WITH A
WEAK WESTERLY FLOW SHOULD ALLOW STORMS TO DRIFT INTO THE FOOTHILLS
LATER IN THE AFTERNOON. SB-CAPE VALUES ON LAPS SOUNDINGS IN THE
FRENCH BROAD VALLEY AND THE NC FOOTHILLS ARE AROUND 2500...SO THERE
IS QUITE A BIT OF INSTABILITY AROUND. THERE WILL BE BOTH A SEVERE
AND FLASH FLOODING THREAT THROUGH THE EVENING HOURS WITH THESE
STORMS. WON/T KNOW UNTIL RIGHT BEFORE ZONE ISSUANCE TIME...BUT WILL
PROBABLY NEED TO CARRY AN AREA OF NUMEROUS TSTMS INTO THE EARLY
EVENING HOURS INTO THE LEE.

BY LATE TONIGHT...CONVECTION SHOULD SUBSIDE...LEAVING MAINLY
CONVECTIVE DEBRIS. I DON/T THINK WE SEE ADDITIONAL CONVECTION MOVE
INTO THE WEST LATE TONIGHT AS CORFIDI VECTORS ARE GENERALLY OUT OF
THE WEST OVERNIGHT...WHICH WILL KEEP MOST OF THE NOCTURNAL MCS
ACTIVITY NORTH OF THE WESTERN CAROLINAS.

FOLLOWED A LITTLE MORE IN LINE WITH THE NAM ON WED WHICH IS FASTER
WITH THE SURFACE FRONT. I DON/T THINK IT WILL REALLY MATTER FROM A
SENSIBLE WEATHER PERSPECTIVE AS LLVL THETA-E RIDGE IS PROGGED TO BE
OVER THE MOUNTAINS ALONG WITH GOOD LLVL CONVERGENCE INTO THE HIGH
TERRAIN DURING THE AFTERNOON HOURS. CONVECTION HAS GENERALLY BEEN
DEVELOPING A COUPLE HUNDRED MILES SOUTH OF THE SFC FRONT...ALONG
OUTFLOW BOUNDARIES...THE PAST COUPLE DAYS. THIS WILL PUT THE WESTERN
CAROLINAS IN AN OPTIMAL AREA FOR CONVECTIVE INITIATION LATER WED. AS
A RESULT HAVE LIKELY POPS IN THE MTNS IN THE AFTERNOON. EXPECT AMPLE
INSTABILITY AND A GOOD SCATTERING OF SEVERE STORMS AGAIN WED.

WITH DECENT ENOUGH STEERING FLOW WEDNESDAY AFTERNOON...WOULD EXPECT
NUMEROUS TSTMS TO MOVE OFF THE HIGH TERRAIN AND SPREAD INTO THE
PIEDMONT DURING THE EVENING HOURS. BASED ON THIS...HAVE SPREAD LIKELY
POPS TO I-85. SHORT RANGE MODELS ARE IN DECENT ENUF AGREEMENT
WEDNESDAY NIGHT WITH RESPECT TO THE SOUTHEASTWARD MOVEMENT OF MOIST
FRONTAL BAND AND UPPER SUPPORT...TO MAINTAIN AT LEAST SOLID CHANCE
POPS FOR THUNDERSTORMS WELL INTO THE LATE NIGHT HOURS. ON
THURSDAY...ANY LINGERING DEEP LAYERED FORCING WILL BE SHIFTING OFF
TO THE EAST QUICKLY DURING THE MORNING HOURS WITH EVEN THE SLOWER
GFS SOLUTION DIMINISHING FRONTAL BAND MOISTURE OVER THE PIEDMONT IN
THE AFTERNOON.
&&

.LONG TERM /FRIDAY THROUGH TUESDAY/...
LITTLE CHANGE TO THE GOING SENSIBLE WEATHER FORECAST FOR THE WEEKEND
AS MODELS REMAIN IN GOOD AGREEMENT EARLY ON IN SETTLING A DRIER AND
COOLER POST-FRONTAL AIRMASS ACROSS THE REGION ON FRIDAY. A CONTINUED
PCPN FREE FCST WILL REMAIN AS WELL FOR BOTH SATURDAY AND SUNDAY...
ALTHOUGH WILL BE LESS AGGRESSIVE IN WARMING MAX TEMPS AS MEDIUM
RANGE MODELS ARE IN DECENT ENUF AGREEMENT IN SLOWING HEIGHT RISES
ACRS THE SOUTHEAST U.S. WILL PLAN ON DRIFTING TEMPS AND POPS BACK
TOWARD CLIMO MONDAY AND TUESDAY.
&&

.AVIATION...
CONVECTIVE COVERAGE WILL BE GREATER IN THE NC MOUNTAINS THIS
AFTERNOON...AND HAVE A TEMPO GROUP AT KAVL THROUGH 20 UTC...AND CB/S
IN THE TAF WELL INTO THE NIGHTTIME HOURS. ALSO HAVE CB/S IN AT ALL
OTHER TAF SITES EXCEPT FOR KCLT BEGINNING MID AFTERNOON. OTHER THAN
CONVECTIVE OUTFLOW BOUNDARIES...WHICH COULD HAVE GUSTS AS HIGH AS 30
KTS...WINDS WILL GENERALLY BE LIGHT OUT OF THE SOUTHWEST INTO THE
EVENING HOURS. FOG AND HAZE HAVE BEEN INCREASINGLY WIDESPREAD THE
PAST FEW NIGHTS...AND HAVE A FEW HOURS OF MVFR AT ALL SITES LATER
TONIGHT...WITH A FEW SITES HAVING A BRIEFER PERIOD OF IFR FOG.
HOPEFULLY MID AND HIGH CLOUDS WL KEEP VSBYS FROM FALLING MUCH LOWER
THAN THAT. TSTMS SHOULD HOLD OFF THROUGH 1800 UTC TOMORROW AT ALL
TAF SITES.
&&

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

SHORT TERM...BPM/CSH
LONG TERM...CSH
AVIATION...BPM

Hazardous weather outlook, Jul 4, 5:48 AM EDT, 12 hours 8 minutes before

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In the hours before

Local storm report, Jul 4, 4:59 PM EDT, 57 minutes before

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Special weather statement, Jul 4, 5:07 PM EDT, 49 minutes before

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Special weather statement, Jul 4, 5:37 PM EDT, 19 minutes before

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Local storm report, Jul 4, 5:41 PM EDT, 15 minutes before

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Special weather statement, Jul 4, 5:48 PM EDT, 8 minutes before

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Local storm report, Jul 4, 5:55 PM EDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 2:03 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe	72 min
Jul 4, 2:16 PM EDT	Flash Flood Warning	GSP	Swain	3 hr
Jul 4, 2:46 PM EDT	Severe Thunderstorm Warning	GSP	Henderson	74 min
Jul 4, 3:30 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	60 min
Jul 4, 4:01 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk	59 min
Jul 4, 4:41 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	79 min
Jul 4, 4:53 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	82 min
Jul 4, 5:16 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	74 min
Jul 4, 6:13 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Catawba	62 min
Jul 4, 6:28 PM EDT	Severe Thunderstorm Warning	GSP	Iredell	62 min
Jul 4, 6:43 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	62 min
Jul 4, 7:24 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	41 min
Jul 4, 7:38 PM EDT	Flash Flood Warning	GSP	Rowan	4 hr
Jul 4, 7:46 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	59 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; radar from the NEXRAD Level II archive.