Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 154, NWS Greenville-Spartanburg, SC

May 1, 2012Polk County, Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 1, 2012, 3:46 PM EDT for Polk County, Rutherford County, North Carolina. It was in force for 59 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
May 1, 2012, 3:46 PM EDT (19:46 UTC)
Expired
May 1, 2012, 4:45 PM EDT
In force
59 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Polk County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 60 km from the middle of the area, began a volume at 19:47 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
May 1, 4:25 PM EDTHAIL 1Rutherfordton, NCTIME ESTIMATED BY RADAR DATA.

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 39 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, 7.8 hours before the alert went out and 211 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 2012-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 2012-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
6 J/kg
Mixed-layer CIN
-386 J/kg
Mixed-layer LCL
1318 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

862 
WUUS52 KGSP 011946
SVRGSP
NCC149-161-012045-
/O.NEW.KGSP.SV.W.0154.120501T1946Z-120501T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
346 PM EDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL POLK COUNTY IN WESTERN NORTH CAROLINA...
  CENTRAL RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 445 PM EDT

* AT 343 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
  STORM WAS LOCATED NEAR CHIMNEY ROCK...OR 10 MILES NORTH OF
  COLUMBUS...AND MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  RUTHERFORDTON AND SPINDALE.

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 3552 8179 3525 8180 3535 8228 3537 8228
      3539 8226 3544 8228 3546 8227
TIME...MOT...LOC 1946Z 271DEG 13KT 3539 8223

$$
LANE
3 follow-up statements
895 
WWUS52 KGSP 012010
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
410 PM EDT TUE MAY 1 2012

NCC149-161-012045-
/O.CON.KGSP.SV.W.0154.000000T0000Z-120501T2045Z/
POLK NC-RUTHERFORD NC-
410 PM EDT TUE MAY 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
RUTHERFORD AND NORTH CENTRAL POLK COUNTIES UNTIL 445 PM EDT...

AT 403 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 5 MILES SOUTHEAST OF LAKE LURE...OR 10 MILES WEST
OF RUTHERFORDTON...MOVING EAST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  RUTHERFORDTON.
  SPINDALE...FOREST CITY AND BOSTIC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL.
FLOODING OF DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT
DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER THE ROAD.

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 3552 8179 3525 8180 3534 8217 3544 8221
TIME...MOT...LOC 2010Z 269DEG 15KT 3539 8210

$$
LANE
690 
WWUS52 KGSP 012021
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
421 PM EDT TUE MAY 1 2012

NCC149-012031-
/O.CAN.KGSP.SV.W.0154.000000T0000Z-120501T2045Z/
POLK NC-
421 PM EDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL POLK COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA.

LAT...LON 3552 8179 3525 8180 3533 8205 3534 8207
      3544 8208
TIME...MOT...LOC 2021Z 269DEG 15KT 3539 8200

$$

NCC161-012045-
/O.CON.KGSP.SV.W.0154.000000T0000Z-120501T2045Z/
RUTHERFORD NC-
421 PM EDT TUE MAY 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
RUTHERFORD COUNTY UNTIL 445 PM EDT...

AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR RUTHERFORDTON...MOVING EAST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  RUTHERFORDTON.
  SPINDALE.
  BOSTIC AND FOREST CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL.
FLOODING OF DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT
DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER THE ROAD.

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 3552 8179 3525 8180 3533 8205 3534 8207
      3544 8208
TIME...MOT...LOC 2021Z 269DEG 15KT 3539 8200

$$
LANE
494 
WWUS52 KGSP 012045
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
445 PM EDT TUE MAY 1 2012

NCC161-012055-
/O.EXP.KGSP.SV.W.0154.000000T0000Z-120501T2045Z/
RUTHERFORD NC-
445 PM EDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RUTHERFORD COUNTY HAS
EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.

LAT...LON 3552 8179 3525 8180 3533 8205 3534 8207
      3544 8208
TIME...MOT...LOC 2021Z 269DEG 15KT 3539 8200

$$
LANE

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 May 1, 2:39 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, May 1, 2:39 PM EDT, 1 hour 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
239 PM EDT TUE MAY 1 2012

.SYNOPSIS...
DEEP HIGH PRESSURE WILL STRENGTHEN AND CONTROL THE WEATHER THROUGH
THE REST OF THE WEEK. SMALL AREAS OF UPPER LEVEL ENERGY WILL PROVIDE
SOME SHOWERS AND STORMS OVER THE MOUNTAINS AND MORE ISOLATED
ACTIVITY ACROSS THE FOOTHILLS AND PIEDMONT THROUGH THURSDAY. A COLD
FRONT IS EXPECTED TO ADVANCE FROM THE NORTH SATURDAY EVENING.

&&

.NEAR TERM /THROUGH TONIGHT/...
CONVECTION GETTING AN EARLIER START THIS AFTERNOON AND A LITTLE
FARTHER SOUTH THAN EXPECTED. ATMOS IS AT LEAST MODERATELY UNSTABLE
WITH NO CIN. DCAPE IS MODERATE BUT FREEZING LEVEL IS NOT VERY LOW.
STILL THERE IS QUITE A BIT OF CAPE IN THE HAIL GROWTH ZONE AND
WARNINGS HAVE ALREADY BEEN ISSUED AS STORMS ARE VERY REFLECTIVE AND
GROWING VERY TALL. EFFECTIVE SHEAR IS STRONGEST NORTH OF I-85...SO
EXPECT ANY ORGANIZATION THERE. SOUTH OF I-85...EVEN THO INSTABILITY
IS HIGH...LFC LEVELS ARE ABOVE 5 KFT. EXPECT THIS TO KEEP A LID ON
CONVECTION UNLESS SOME LIFTING MECHANISM CAN PUSH INTO THE AREA...
LIKE AN OUTFLOW BOUNDARY FORM THE CONVECTION TO THE NORTH. MAY HAVE
TO SPREAD ISOLATED POP A LITTLE SOUTH OF I-85 AND EXPAND THE SCT
COVERAGE NORTH OF THERE. CONVECTION SHUD DISSIPATE THIS EVENING BUT
COULD LINGER OVER THE NRN TIER WHERE THE SHEAR IS BEST. LOWS SHUD BE
10 TO 15 ABOVE NORMAL.

UPPER RIDGE STRENGTHENS OVER THE AREA WED BRINGING A WARMER AND
DRIER AIRMASS INTO THE UPSTATE AND NE GA. SFC RIDGE AXIS WILL WILL
STRENGTHEN OVER THIS AREA AS WELL. ATMOS WILL REMAIN MORE MOIST WITH
COOLER MID LEVEL TEMPS ACROSS NC. EXPECT BEST INSTABILITY TO BE
LIMITED TO THE MTNS AND I-40 CORRIDOR. WITH THE BEST MOISTURE THERE
AS WELL...HAVE LIMITED POP TO THOSE AREAS WITH SCT POP OVER THE NRN
BLUE RIDGE AND THE MTNS BETWEEN THE FRENCH BROAD AND PIGEON RIVER
VALLEYS. HIGHS WILL BE NEARLY 15 DEGREES ABOVE NORMAL AS HEIGHTS AND
THICKNESSES RISE WITH CONTINUED SLY FLOW.

&&

.SHORT TERM /WEDNESDAY THROUGH FRIDAY/...
AS OF 145 PM TUESDAY...SHORT RANGE MODELS INDICATE THAT THE H5 RIDGE
AXIS WILL DOMINATE THE CWA ON THURSDAY. STRONG INSOLATION...DEEP
RIDGING...AND LIMITED MIXING SHOULD RESULT IN A WARM AND SUPPRESSED
BL. MOS GUIDANCE BLEND SUPPORTS MORNING TEMPS RANGING FROM THE L50S
ACROSS THE MTNS TO L60S EAST. THE MILD START COMBINED WITH STEADY
DAYTIME HEATING WILL PLACE RECORD HIGH EAST OF THE MTNS IN
RANGE...SEE CLIMATE SECTION BELOW. FORECAST SOUNDINGS CONTINUE TO
SHOW A WEAK H8 INVERSION ACROSS THE CWA...WITH SIGNIFICANT CIN EAST
AND LESS THAN 25 J/KG ACROSS THE MTNS. RIDGETOP HEATING MAY TRIGGER
A COUPLE OF SHRA/TSRA ACROSS THE HIGH TERRAIN DURING THE LATE
AFTERNOON. THE RIDGE WILL LIKELY WEAKEN SLIGHTLY INTO FRIDAY.
FORECAST SOUNDINGS INDICATE A LESS OF AN LLVL
INVERSION...THEREFORE...I WILL INCREASE POPS SLIGHTLY OVER
THURSDAY/S VALUES. HIGH TEMPERATURES MAY AGAIN CHALLENGE RECORDS
EAST OF THE MTNS.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF 1145 AM TUESDAY...ON SATURDAY AND SUNDAY...MODELS GENERALLY
AGREE THAT A MID LEVEL RIDGE WILL EXIST ACROSS THE CWA WITH THE AXIS
LIKELY WEST OF THE APPALACHIANS. THIS PATTERN WILL ALLOW VERY MILD
LLVL TEMPERATURE PROFILES TO BUILD ACROSS THE REGION. TEMPERATURE
GUIDANCE INDICATES THE HIGH TEMPERATURES WILL RANGE 10 TO 15 DEGREES
ABOVE NORMAL. POSSIBLY REACHING WITHIN A FEW DEGREES OF RECORD HIGHS
ON SATURDAY...SEE CLIMATE SECTION BELOW. STEERING FLOW AND BROAD INSTABILITY
FIELD MAY RESULT IN A FEW ROUNDS OF SHRA/TSRA UPSTREAM CONVECTION TO
MOVE ACROSS THE MTNS...I WILL KEEP A DIURNAL MENTION OF CHC POPS.
SCHC POPS ACROSS THE FOOTHILLS AND PIEDMONT.

MONDAY AND TUESDAY...MODEL AGREEMENT IS POOR AND FORECAST CONFIDENCE
IS BELOW AVERAGE. I WILL HEAVILY FAVOR THE HPC GUIDANCE THROUGH THE
REMAINDER OF THE EXTENDED PERIOD...BASED ON THE ENSEMBLE MEAN OF THE
ECMWF AND CANADIAN. TEMPERATURES MAY REMAIN A FEW DEGREES ABOVE
NORMAL ON BOTH DAYS...BUT NOT CHALLENGING ANY RECORDS. I WILL KEEP
POPS IN THE SCHC RANGE TO ACCOUNT FOR POSSIBLE PASSAGE OF A COLD
FRONT MONDAY NIGHT INTO TUESDAY.

&&

.AVIATION /19Z TUESDAY THROUGH SUNDAY/...
AT KCLT...SCT CU WILL CONTINUE TO DEVELOP AND BECOME BKN AROUND 050
BY LATE AFTERNOON. BEST CHANCE OF CONVECTION WILL BE NORTH AND WEST
OF THE SITE...BUT CANNOT RULE OUT AN ISOLATED TSRA LATE AFTERNOON OR
EARLY EVENING. ANY CONVECTION AND CIGS WILL DIMINISH THRU THE
EVENING. MVFR VSBY AND POSSIBLY CIG COULD DEVELOP NEAR DAYBREAK BUT
CHC TOO LOW TO INCLUDE FOR NOW. SCT CU EXPECTED TO DEVELOP BY THE
END OF THE PERIOD WED. SSW WIND WILL CONTINUE INTO THE EVENING BUT
DIMINISH TOWARD DAYBREAK...THEN INCREASE AGAIN WITH MIXING WED.

ELSEWHERE...CONVECTION GETTING AN EARLY START TODAY...SO HAVE
INCLUDED VCTS TO START AT KAVL. KHKY HAS THE NEXT BEST CHC OF
CONVECTION SO HAVE VCTS THERE AT 20Z. EXPECT MOST CONVECTION TO
REMAIN NORTH OF THE SC SITES...BUT SINCE IT IS ONGOING OVER THE MTNS
WILL INCLUDE VCTS THERE AS WELL. CONVECTION SHUD END BY EARLY
EVENING WITH ANY BKN CU DISSIPATING SHORTLY THEREAFTER. MVFR VSBY
LIKELY AT KAVL/KHKY/KAND WITH MVFR OR EVEN IFR CIGS POSSIBLE AT KAND
AROUND DAYBREAK. ANY RESTRICTIONS SHUD LIFT BY MID MORNING WITH SCT
CU CONTINUING TO THE END OF THE PERIOD. S TO SWLY WINDS THIS
AFTERNOON DIMINISH OVERNIGHT BUT RETURN WITH MIXING WED.

OUTLOOK...SCATTERED MAINLY DIURNAL THUNDERSTORMS WILL BE THE MAIN
PROBLEM FOR WEDNESDAY AFTERNOON THROUGH FRIDAY. PATCHES OF FOG AND
STRATUS ARE ALSO POSSIBLE EACH MORNING AS WELL. APART FROM
THAT...MOST OF THE TIME CONDITIONS SHOULD BE VFR.

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

&&

.CLIMATE...
RECORD HIGH TEMPERATURES AND FORECASTED HIGHS WITHIN 3 DEGREES F...

KGSP
MAY 2ND  90F IN 1959...FORECAST 90F
MAY 3RD  91F IN 1959...FORECAST 90F
MAY 4TH  90F IN 1901...FORECAST 89F
MAY 5TH  91F IN 1934...FORECAST 90F

KCLT
MAY 2ND  91F IN 1959...FORECAST 90F
MAY 3RD  94F IN 1902...FORECAST 90F
MAY 4TH  92F IN 1959...FORECAST 91F
MAY 5TH  91F IN 1955...FORECAST 90F

KAVL
MAY 2ND  88F IN 1935...FORECAST 86F
MAY 3RD  85F IN 1965...FORECAST 86F

&&

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

&&

SYNOPSIS...NED
NEAR TERM...RWH
SHORT TERM...NED
LONG TERM...NED
AVIATION...RWH
CLIMATE...RWH/NED
Hazardous weather outlook, May 1, 3:21 PM EDT, 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
321 PM EDT TUE MAY 1 2012

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-068>072-
082-507>510-SCZ001>014-019-021930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-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-
321 PM EDT TUE MAY 1 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.

NUMEROUS TO SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER
THE NORTH CAROLINA MOUNTAINS AND FOOTHILLS INTO THE EVENING HOURS.
SEVERAL STORMS MAY MOVE EAST OF THE BLUE RIDGE DURING THE EARLY
TO MID EVENING. THE STRONGER STORMS WILL HAVE THE POTENTIAL TO
PRODUCE LARGE HAIL AND DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE NORTH
CAROLINA MOUNTAINS AGAIN LATE WEDNESDAY AFTERNOON. A FEW OF THE STORMS MAY
MOVE EAST OF THE BLUE RIDGE DURING THE EARLY TO MID EVENING. THE
STRONGER STORMS WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL AND
DAMAGING WIND GUSTS. THE GREATEST THREAT FOR SEVERE STORMS WILL BE
ACROSS WESTERN NORTH CAROLINA...MAINLY NORTH OF INTERSTATE
40...DURING THE EARLY EVENING.

.SPOTTER INFORMATION STATEMENT...

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

NCZ035>037-056-057-501>506-021930-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-
321 PM EDT TUE MAY 1 2012

...SEVERE THUNDERSTORM WATCH 219 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE NORTH
CAROLINA MOUNTAINS AGAIN LATE WEDNESDAY AFTERNOON. A FEW OF THE STORMS MAY
MOVE EAST OF THE BLUE RIDGE DURING THE EARLY TO MID EVENING. THE
STRONGER STORMS WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL AND
DAMAGING WIND GUSTS. THE GREATEST THREAT FOR SEVERE STORMS WILL BE
ACROSS WESTERN NORTH CAROLINA...MAINLY NORTH OF INTERSTATE
40...DURING THE EARLY EVENING.

.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

Local storm report, May 1, 3:04 PM EDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
304 PM EDT TUE MAY 01 2012

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

0252 PM     HAIL             3 WNW GLEN ALPINE       35.75N 81.83W
05/01/2012  M0.75 INCH       BURKE              NC   TRAINED SPOTTER

&&

CSH
Local storm report, May 1, 3:05 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
305 PM EDT TUE MAY 01 2012

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

0300 PM     HAIL             5 ENE NEBO              35.75N 81.86W
05/01/2012  E1.75 INCH       BURKE              NC   911 CALL CENTER

            HAIL REPORTED IN THE LAKE JAMES AREA.

&&

NED
Local storm report, May 1, 3:18 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
318 PM EDT TUE MAY 01 2012

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

0315 PM     HAIL             3 E FLETCHER            35.44N 82.45W
05/01/2012  E1.00 INCH       HENDERSON          NC   TRAINED SPOTTER

&&

MCAVOY
Local storm report, May 1, 3:20 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
320 PM EDT TUE MAY 01 2012

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

0319 PM     HAIL             3 WNW GLEN ALPINE       35.75N 81.83W
05/01/2012  M0.75 INCH       BURKE              NC   TRAINED SPOTTER

&&

CSH
Local storm report, May 1, 3:37 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
337 PM EDT TUE MAY 01 2012

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

0335 PM     HAIL             GLEN ALPINE             35.73N 81.78W
05/01/2012  E0.75 INCH       BURKE              NC   911 CALL CENTER

            HAIL IS TWO INCHES IN DEPTH.

0335 PM     HAIL             MORGANTON               35.74N 81.70W
05/01/2012  E0.75 INCH       BURKE              NC   TRAINED SPOTTER

&&

NED
Local storm report, May 1, 3:44 PM EDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
344 PM EDT TUE MAY 01 2012

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

0335 PM     HAIL             5 SSW BAT CAVE          35.39N 82.33W
05/01/2012  E0.88 INCH       HENDERSON          NC   BROADCAST MEDIA

            HAIL REPORTED AT EDNEYVILLE.

&&

NED

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 8:04 PM EDTSpecial Weather StatementGSPCaldwell26 min
Apr 30, 8:14 PM EDTSpecial Weather StatementGSPAvery31 min
Apr 30, 8:16 PM EDTSpecial Weather StatementGSPMitchell29 min
Apr 30, 8:21 PM EDTSevere Thunderstorm WarningGSPAvery, Mitchell, Yancey54 min
Apr 30, 9:02 PM EDTSpecial Weather StatementGSPMitchell28 min
Apr 30, 9:18 PM EDTSpecial Weather StatementGSPMitchell27 min
Apr 30, 9:24 PM EDTSpecial Weather StatementGSPBuncombe36 min
Apr 30, 9:28 PM EDTSevere Thunderstorm WarningGSPBuncombe26 min
Apr 30, 9:48 PM EDTSpecial Weather StatementGSPAvery27 min
Apr 30, 10:12 PM EDTSevere Thunderstorm WarningGSPCaldwell37 min
May 1, 1:53 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford67 min
May 1, 2:21 PM EDTSpecial Weather StatementGSPTransylvania39 min
May 1, 2:36 PM EDTSpecial Weather StatementGSPBurke39 min
May 1, 2:39 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford66 min
May 1, 2:43 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell62 min
May 1, 2:47 PM EDTSevere Thunderstorm WarningGSPTransylvania44 min
May 1, 2:51 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson, Polk, Rutherford54 min
May 1, 3:44 PM EDTSevere Thunderstorm WarningGSPBurke24 min
May 1, 3:54 PM EDTAreal Flood AdvisoryGSPPolk, Rutherford2 hr
May 1, 3:59 PM EDTSpecial Weather StatementGSPTransylvania31 min
May 1, 4:05 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell55 min
May 1, 4:48 PM EDTSpecial Weather StatementGSPDavie27 min
May 1, 4:53 PM EDTSpecial Weather StatementGSPHenderson37 min
May 1, 5:01 PM EDTSpecial Weather StatementGSPBurke29 min
May 1, 5:07 PM EDTSevere Thunderstorm WarningGSPDavie31 min
May 1, 5:34 PM EDTSpecial Weather StatementGSPCaldwell26 min
May 1, 5:36 PM EDTSpecial Weather StatementGSPBuncombe24 min
May 1, 5:46 PM EDTSpecial Weather StatementGSPMcDowell29 min
May 1, 5:50 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell22 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.