Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 381, NWS Greenville-Spartanburg, SC

July 9, 2012Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 9, 2012, 4:35 PM EDT for Union County, North Carolina. It was in force for 40 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
Jul 9, 2012, 4:35 PM EDT (20:35 UTC)
Expired
Jul 9, 2012, 5:15 PM EDT
In force
40 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Union County, NC

The radar

The Columbia radar (KCAE), 143 km from the middle of the area, began a volume at 20:35 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
Jul 9, 4:50 PM EDTTSTM WND DMG4 N Marshville, NCSEVERAL POWER LINES DOWN ON ANSONVILLE ROAD.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 15 minutes after it went out.

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, 8.6 hours before the alert went out and 119 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 2012-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1054 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 12:00Z on 2012-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
1054 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
1186 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
31 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.

314 
WUUS52 KGSP 092035
SVRGSP
NCC179-092115-
/O.NEW.KGSP.SV.W.0381.120709T2035Z-120709T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
435 PM EDT MON JUL 9 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 515 PM EDT

* AT 433 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
  UNIONVILLE...OR 6 MILES NORTHEAST OF MONROE...AND MOVING NORTHEAST
  AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
  UNION COUNTY...INCLUDING THE FOLLOWING LOCATIONS NEW SALEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3496 8029 3487 8031 3488 8034 3507 8071
      3521 8055 3517 8046 3517 8039 3518 8037
      3517 8035 3520 8029 3519 8027
TIME...MOT...LOC 2035Z 231DEG 21KT 3505 8045

$$

CSH

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 9, 2:28 PM EDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jul 9, 2:28 PM EDT, 2 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
228 PM EDT MON JUL 9 2012

.SYNOPSIS...
A COLD FRONT WILL SLOWLY DRIFT SOUTH INTO OUR AREA TODAY. THIS FRONT
IS WILL BECOME STATIONARY ACROSS THE CAROLINAS AND GEORGIA...AND
WILL REMAIN IN THE AREA THROUGH FRIDAY.

&&

.NEAR TERM /THROUGH TUESDAY/...
CONVECTION GETTING AN EARLY START AS EXPECTED WHICH WAS SLIGHTLY
SLOWER THAN THE MESOSCALE MDLS SUGGESTED. GREATEST COVERAGE STILL
EXPECTED OVER THE MTNS AND ALONG THE CONVERGENCE BOUNDARY ACROSS NE
GA...INTO THE UPSTATE AND THE SRN FOOTHILLS AND PIEDMONT OF NC. ONLY
SLIGHTLY LESS COVERAGE...STILL NUMEROUS...IS EXPECTED OVER THE SRN
PORTIONS OF NE GA...THE UPSTATE AND THE NRN MTNS AND I-40 CORRIDOR
OF NC. ANY OF THE STORMS COULD BECOME SEVERE WITH DAMAGING WINDS AND
POSSIBLY LARGE HAIL GIVEN THE AT LEAST MODERATE INSTABILITY AND
DCAPE VALUES FROM 800 J/KG NORTH TO 1500 J/KG SOUTH. EFFECTIVE BULK
SHEAR STILL FCST TO INCREASE TO AS MUCH AS 25 KTS ACROSS THE I-40
CORRIDOR...SO THAT AREA HAS THE GREATEST POTENTIAL FOR ORGANIZATION.
STILL...ORGANIZED STORMS COULD DEVELOP SOUTH OF THERE GIVEN THE LOW
LEVEL CONVERGENCE BOUNDARY IN PLACE. ALSO...COLD POOL AND OUTFLOW
BOUNDARY INTERACTIONS WILL LIKELY BE STRONGER ACROSS THE SOUTH WITH
THE HIGHER DCAPE. HAVE ALREADY INCLUDED SVR TSRA WORDING IN THE FCST
THRU 00Z TO COVER THE POTENTIAL.

STORMS WILL LINGER INTO THE EVENING THEN TAPER OFF FROM SW TO NE AS
INSTABILITY WANES. SH/TSRA COULD LINGER OVERNIGHT GIVEN THE UNSTABLE
AIRMASS AND BOUNDARY. HOWEVER...THE COVERAGE WOULD BE SCT AT BEST.
PATCHY FOG POSSIBLE AGAIN...ESP MTN VALLEYS AND FOOTHILLS. LOWS AS
MUCH AS 5 DEGREES ABOVE NORMAL.

EXPECT ANOTHER ROUND OF NUMEROUS CONVECTIVE COVERAGE DEVELOPING TUE
AS THE MOIST...UNSTABLE AIRMASS REMAINS IN PLACE AND WEAK FRONTAL
BOUNDARY DROPS INTO THE AREA. MODERATE INSTABILITY WITH NO CAP
EXPECTED AGAIN. HOWEVER...DCAPE VALUES WILL LIKELY NOT BE AS HIGH AS
AIRMASS MOISTENS. STILL...ISOLATED TO SCT SVR STORMS WILL BE
POSSIBLE...WITH DAMAGING DOWNBURSTS THE MAIN THREAT. THE STRING OF
VERY HOT TEMPS SHUD FINALLY COME TO AN END WITH HIGHS NEAR TO A
COUPLE OF DEGREES BELOW NORMAL.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY/...
AS OF 200 PM MONDAY...THE SHORT TERM WILL BE DOMINATED BY A
BROAD...POSITIVELY TILTED UPR TROF EXTENDING FROM THE GREAT LAKES TO
THE LWR MS VALLEY AND DOWNSTREAM NORTH ATLANTIC RIDGE. RELATIVELY
WEAK FLOW ALOFT WILL REMAIN ACRS THE SE CONUS IN THIS
PATTERN...KEEPING A QUASI-STATIONARY FRONTAL ZONE ORIENTED FROM SW
TO NE ACRS THE REGION. COPIOUS MOISTURE WILL REMAIN WITHIN THE
FRONTAL ZONE WITH PWATS IN THE 1-2 SD ABV NORMAL RANGE. AS FOR
FORCING...THE GFS AND NAM SEEM TO AGREE SOMEWHAT ON SHORTWAVE ENERGY
AND SOME UPR DIVERGENCE MAXIMIZED ON WEDNESDAY. A WEAK LLVL WAVE IS
PROGGED TO DEVELOP ON WEDNESDAY OVER THE TN VLY AS WELL...BACKING
THE FLOW TO S/SELY AND INCREASING UPSLOPE FORCING ALONG THE BLUE
RIDGE. A BLEND OF THE GUIDANCE RESULTS IN VERY HIGH POPS...BASICALLY
SHOTGUN LIKELY ACRS THE ENTIRE AREA. THERE SHUD STILL BE SOMEWHAT OF
A DIURNAL NATURE TO POPS...BUT DEPENDING ON TIMING OF UPPER
IMPULSES...THERE COULD BE DECENT COVERAGE DURING OVERNIGHT HOURS AS
WELL PER INSTBY IN FCST SNDGS. IN FACT...FCST SNDGS SHOW VERY MOIST
COLUMN INDICATIVE OF A HEAVY RAIN THREAT. SEVERE THREAT WILL
PROBABLY BE LIMITED DUE TO THE NEAR MOIST ADIABATIC SNDGS AND WEAK
SHEAR. MAX TEMPS WILL BE BELOW NORMAL FOR A CHANGE DUE TO CLOUDS AND
PRECIP...AND MIN TEMPS WILL BE NEAR NORMAL.

&&

.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
AS OF 215 PM MONDAY...THE GOOD AGREEMENT AMONGST THE DETERMINISTIC
MODELS AND LITTLE SPREAD IN GEFS SUGGEST ABOVE AVERAGE CONFIDENCE IN
MEDIUM RANGE FCST. SUBTROPICAL RIDGE WILL REMAIN ANCHORED OFF THE
EAST COAST...BUT AMPLIFIES...PUSHING A FRONTAL BNDRY BACK NORTH FOR
THIS WEEKEND. LLVL FLOW WILL REMAIN SELY...AND PWATS 2 STANDARD
DEVIATIONS ABV NORMAL. SO CONTINUED UNSETTLED WEATHER IS PROGGED
THRU NEW DAY 7. GIVEN SUCH A PROTRACTED PERIOD OF HIGH POPS...HYDRO
CONCERNS MAY INCREASE...ESPECIALLY IN UPSLOPE AREAS. OVERALL...THERE
IS NO PERIOD WHERE UPR FORCING IS ALL THAT STRONG...AND 850MB
MOISTURE FLUX REMAINS MODEST AT BEST...WHILE MOISTURE PLUME/PWAT
ANOMALIES SHIFTS WEST OF THE CWFA (PER THE 12Z GEFS). SO WILL NOT
ADD ANY HYDRO MENTION IN THE HWO ATTM. EXPECTING LESS CLOUD COVER
AND A WARMING TEMP TREND AS UPR RIDGE REASSERTS ITSELF THRU THE
WEEKEND.

&&

.AVIATION /19Z MONDAY THROUGH SATURDAY/...
AT KCLT...CONVECTION GOING A LITTLE SOONER THAN EXPECTED OVER THE
PIEDMONT. THIS LIKELY DUE TO THE CONVERGENCE BOUNDARY NEAR THE AREA.
IN LINE WITH THE NEW TAF RULES...HAVE PREVAILING VFR TS IN THE TAF
BEGINNING AT 20Z GIVEN THE CONVECTION NEAR THE AIRFIELD. EVEN THIS
MAY BE TOO SLOW...BUT WILL AMD AS CELLS APPROACH. NUMEROUS
CONVECTION WILL LINGER INTO THE EVENING...WITH SCT CONVECTION
POSSIBLE MUCH OF THE NIGHT. THEREFORE...HAVE GONE WITH PREVAILING VFR
TS THRU 04Z AND PROB30 THEREAFTER. EXPECT THAT ANY RESTRICTIONS WILL
BE LIMITED TO CONVECTIVE CELLS...SO THE FCST IF VFR THROUGHOUT. IF
CONVECTION TAPERS OFF OVERNIGHT AND SKIES CLEAR...THEN FOG WOULD BE
POSSIBLE. EXPECT CONVECTION TO GET GOING EARLY AGAIN TUE WITH MOIST
UNSTABLE AIR MASS AND WEAK FRONT DROPPING INTO THE AREA...HENCE THE
PREVAILING TS BY NOON. N TO NW WIND WILL CONTINUE THRU THE PERIOD
XCPT FOR VARIABLE AND GUSTY NEAR TS.

ELSEWHERE...EXPECT A SIMILAR EVOLUTION COMPARED TO KCLT. THE MAIN
EXCEPTION IS AN EARLIER ONSET AT ALL BUT KAND. IN ADDITION...WINDS
WILL BE MORE WLY FOR THE SC SITES THRU THE AFTERNOON...THEN N TO NE
OVERNIGHT AND TUE. FOG MORE LIKELY AT KAVL/KHKY...BUT COULD DEVELOP
ANYWHERE CONVECTION TAPERS OFF AND SKIES CLEAR.

OUTLOOK...SHRA/TSRA AREA EXPECTED TO BECOME NUMEROUS TUESDAY
AFTERNOON AND AGAIN ON WEDNESDAY WITH A STALLED FRONT ACROSS THE
CAROLINAS AND A WEAK UPPER TROUGH TO OUR WEST. THIS WILL BRING
OCCASIONAL MVFR/IFR RESTRICTIONS AROUND STORMS. AREAS OF MORNING
FOG/STRATUS ARE POSSIBLE...ESP IN THE MTN VALLEYS AND WHERE RAIN
FALLS.

AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE
PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE
CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)...

WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM

&&

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

&&

SYNOPSIS...PAT
NEAR TERM...RWH
SHORT TERM...ARK
LONG TERM...ARK
AVIATION...RWH
Hazardous weather outlook, Jul 9, 3:25 PM EDT, 1 hour 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
325 PM EDT MON JUL 9 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-101930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-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-
325 PM EDT MON JUL 9 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS CONTINUE TO DEVELOP ACROSS THE
REGION INTO THIS EVENING. SOME OF THESE STORMS MAY BECOME
SEVERE...PRODUCING LARGE HAIL AND DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

In the hours before

Special weather statement, Jul 9, 3:05 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
305 PM EDT MON JUL 9 2012

SCZ007-008-091930-
CHEROKEE-SPARTANBURG-
305 PM EDT MON JUL 9 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN SPARTANBURG AND WESTERN
CHEROKEE COUNTIES THROUGH 330 PM EDT...

AT 304 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTH OF COWPENS...OR 6 MILES EAST OF
SPARTANBURG...MOVING EAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  COWPENS...
  PACOLET...
  THICKETTY...

PEOPLE IN EASTERN SPARTANBURG AND WESTERN CHEROKEE COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS...

COWPENS...PACOLET AND THICKETTY...

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.

LAT...LON 3486 8192 3504 8194 3506 8167 3490 8167
      3491 8170 3491 8171 3486 8176

NED
Special weather statement, Jul 9, 3:15 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
315 PM EDT MON JUL 9 2012

NCZ051-091945-
SWAIN-
315 PM EDT MON JUL 9 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL SWAIN COUNTY THROUGH 345
PM EDT...

AT 312 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES NORTHEAST OF FONTANA LAKE...OR 12 MILES
NORTHWEST OF BRYSON CITY...MOVING EAST AT 10 MPH.

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

LAT...LON 3557 8376 3558 8360 3557 8359 3557 8349
      3560 8347 3562 8344 3542 8341 3546 8379

NED
Local storm report, Jul 9, 3:47 PM EDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
347 PM EDT MON JUL 09 2012

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

0250 PM     TSTM WND DMG     6 NE NINE TIMES         34.96N 82.76W
07/09/2012                   PICKENS            SC   TRAINED SPOTTER

            TREE AND POWER LINE BLOCKING BOTH LANES OF HOLLY SPRINGS
            SCHOOL ROAD. ANOTHER TREE WAS BLOWN DOWN ON MEECE MILL RD
            NEAR GRAVLEY RD.

&&

MCAVOY
Special weather statement, Jul 9, 3:49 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
349 PM EDT MON JUL 9 2012

SCZ007-008-092030-
CHEROKEE-SPARTANBURG-
349 PM EDT MON JUL 9 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN SPARTANBURG AND WESTERN
CHEROKEE COUNTIES THROUGH 430 PM EDT...

AT 344 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR THICKETTY...OR 7 MILES SOUTHWEST OF
GAFFNEY...MOVING EAST AT 5 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  THICKETTY...
  GAFFNEY...

PEOPLE IN EASTERN SPARTANBURG AND WESTERN CHEROKEE COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS...

COWPENS...THICKETTY AND GAFFNEY...

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 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3490 8184 3512 8188 3516 8162 3491 8165

NED
Special weather statement, Jul 9, 3:50 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
350 PM EDT MON JUL 9 2012

SCZ014-092015-
CHESTER-
350 PM EDT MON JUL 9 2012

...A STRONG THUNDERSTORM WILL AFFECT WESTERN CHESTER COUNTY THROUGH
415 PM EDT...

AT 348 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES NORTHEAST OF LEEDS...OR 8 MILES WEST OF
CHESTER...MOVING EAST AT 5 MPH.

PEOPLE IN WESTERN CHESTER COUNTY...

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.

LAT...LON 3458 8142 3483 8143 3482 8124 3457 8119

NED
Local storm report, Jul 9, 4:06 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
406 PM EDT MON JUL 09 2012

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

0314 PM     TSTM WND DMG     2 ESE LAKE WYLIE        35.10N 81.01W
07/09/2012                   MECKLENBURG        NC   PUBLIC

            MULTIPLE TREES DOWN ON SOUTH POINT AND REESE WILSON
            ROADS.

&&

JOH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 8:25 PM EDTSpecial Weather StatementGSPAvery35 min
Jul 9, 1:33 PM EDTSevere Thunderstorm WarningGSPTransylvania57 min
Jul 9, 2:21 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston54 min
Jul 9, 2:53 PM EDTSpecial Weather StatementGSPPolk37 min
Jul 9, 3:14 PM EDTSevere Thunderstorm WarningGSPGaston, Mecklenburg61 min
Jul 9, 3:15 PM EDTSpecial Weather StatementGSPSwain30 min
Jul 9, 3:43 PM EDTSevere Thunderstorm WarningGSPCleveland, Rutherford39 min
Jul 9, 3:46 PM EDTSevere Thunderstorm WarningGSPUnion59 min
Jul 9, 5:40 PM EDTSpecial Weather StatementGSPHaywood35 min
Jul 9, 6:14 PM EDTSpecial Weather StatementGSPCaldwell31 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning in 2012

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.