Hail, Polk
- When
- August 5, 6:31 PM EST
- Where
- Polk County, 2.19 mi SE of Collinsville
- Measured
- 0.88 in hail
- Reported by
- Amateur Radio
- Coordinates
- 35.200, -82.050
HAM radio operator reported nickel size hail on Highway 9 near the South Carolina border.
An isolated evening thunderstorm moved from South Carolina across eastern Polk County into western Rutherford County, producing an area of wind damage, especially across Polk County.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GSP wrote it up.
An isolated evening thunderstorm moved from South Carolina across eastern Polk County into western Rutherford County, producing an area of wind damage, especially across Polk County.
The local office's own words before the first event, 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 the first event at Aug 5, 4:38 PM EST, 1 hour 53 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
538 PM EDT WED AUG 5 2015
.SYNOPSIS...
A WEAK COLD FRONT WILL BECOME NEARLY STATIONARY OVER THE AREA
TONIGHT. AS MOISTURE INCREASES ACROSS OUR REGION EARLY TOMORROW...A
LOW WILL DEVELOP AND GRADUALLY MOVE OFFSHORE BY LATE FRIDAY. WEAK
HIGH PRESSURE WILL SPREAD BACK OVER THE REGION IN THE WAKE OF THE
LOW.
&&
.NEAR TERM /THROUGH THURSDAY/...
AS OF 530 PM...THE BEST CONVECTION WAS CONCENTRATED MAINLY OVER THE
NC MOUNTAINS...WHILE THE SHOWERS E OF THE BLUE RIDGE WERE
DIMINISHING BUT SENDING OUT NUMEROUS OUTFLOW BOUNDARIES. WILL NOT
RULE OUT SOME REDEVELOPMENT AND WILL HOLD ONTO A 20-40 PCT PRECIP
CHC AT LEAST FOR THE NEXT FEW HOURS...BUT IF RADAR TREND IS AN
INDICATION...WE WILL PROBABLY BE ABLE TO GET RID OF THE STORMS BY
MID EVENING.
REMAINDER OF PREVIOUS DISCUSSION...
SOME CELLS COULD LINGER THROUGH THE EVENING IN WESTERN NC AS THE
WORK VORT MAX MOVES THROUGH. CAMS DO SUGGEST THAT ACTIVITY WILL WANE
WITH LOSS OF HEATING OVERNIGHT. ONCE CONVECTION WANES...PARTLY
CLOUDY CONDITIONS WILL PREVAIL WITH LOWS A CATEGORY OR SO ABOVE
CLIMO.
ON THURSDAY...A MORE SUBSTANTIAL SHORT WAVE WILL APPROACH FROM THE
WEST. WITH DPVA IMPROVING THROUGHOUT THE DAY...MODELS RESPOND WITH
NUMEROUS SHOWERS/THUNDERSTORMS MOST AREAS THURSDAY AFTERNOON. THE
INCREASE IN CLOUDS AND CONVECTIVE COVERAGE WILL KEEP MAX TEMPS
CLOSER TO CLIMO ON THURSDAY.
&&
.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/...
AS OF 240 PM EDT WEDNESDAY...A VIGOROUS 500 MB SHORTWAVE TROUGH WILL
SHARPEN UP JUST WEST OF THE SRN APPALACHIANS LATE THURSDAY AND THEN
CROSS THE FORECAST AREA THU NIGHT. THE BEST LOBE OF DEEP LAYER Q
VECTOR CONVERGENCE ASSOCIATED WITH THE PASSAGE OF THE WAVE WILL
AFFECT THE AREA MAINLY THURSDAY EVENING. DESPITE DEEPENING OF THE
ASSOCIATED 850 MB LOW CENTER ASSOCIATED WITH THIS FEATURE OVER THE
LOWER OH VALLEY LATE THURSDAY...VERY LITTLE INCREASE IN SRLY/SWLY
FLOW MOISTURE IS EXPECTED AHEAD OF THE RAPIDLY MOVING WAVE. THE
RAPID FORWARD SPEED OF THE SYSTEM SHOULD LARGELY PRECLUDE ANY
SIGNIFICANT HYDRO ISSUES THU NIGHT. ANY BRIEF UPTICK IN LOW LEVEL
FLOW COULD COMBINE WITH LINGERING LATE DAY INSTABILITY TO PRODUCE A
FEW STRONG THUNDERSTORMS.
DEEP MID AND UPPER DRYING WILL ARRIVE ON NW FLOW FRIDAY THROUGH
FRIDAY NIGHT...BUT WITH LINGERING BOUNDARY LAYER MOISTURE POSSIBLY
YIELDING A MORNING STRATUS LAYER EACH DAY. UPPER HEIGHTS WILL SLOWLY
BUILD THROUGH SATURDAY...WITH A RETURN TO MAINLY DIURNAL RIDGE TOP
ISOLATED TO SCT CONVECTION. TEMPS WILL RETURN TO NEAR CLIMO THROUGH
THE PERIOD.
&&
.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
AS OF 210 PM EDT WEDNESDAY...THE MEDIUM RANGE FCST PICKS UP AT 00Z ON
SUNDAY WITH UPPER TROFFING LIFTING OFF THE ATLANTIC COAST TO OUR NE
AND THE BROAD UPPER RIDGE SLOWLY SPREADING EASTWARD AND INTO THE FCST
AREA. THE LONG RANGE GUIDANCE INDICATES THAT THE RIDGE WONT ADVANCE
VERY FAR EAST BEFORE ANOTHER UPPER TROF DIGS DOWN OVER THE EASTERN
CONUS. THE MODELS SUGGEST THAT BY EARLY TUES THE TROF AXIS WILL LIKELY
BE JUST TO OUR NORTH WITH FURTHER DEEPENING LIKELY THRU THE REMAINDER
OF THE PERIOD. AT THE SFC...A COASTAL LOW WILL BE MOVING FARTHER OFF
THE ATLANTIC SEABOARD BY EARLY SUN WITH WEAK HIGH PRESSURE SPREADING
BACK OVER THE FCST AREA. BY LATE MON/EARLY TUES...THE MODELS TRY TO DEVELOP
SOME SORT OF SFC LOW OVER THE FCST AREA OR JUST NORTH OF IT...YET THE
LOCATION AND TIMING ARE STILL UNCLEAR. THE MODELS DO AGREE THAT BY
EARLY WED...THE LOW SHOULD BE MOVING WELL OFFSHORE WITH STRONGER SFC HIGH
PRESSURE BUILDING BACK OVER THE FCST AREA TO END THE PERIOD. AS FOR THE
SENSIBLE FCST...THINGS START OUT MOSTLY DRY WITH ONLY A SLIGHT CHANCE
FOR SCT CONVECTION. AS THE PROFILES MOISTEN ON MON AND THE LOW LVL SLY
FLOW INCREASES...POPS INCREASE TO HIGH END CHANCE OVER MOST OF THE CWFA
FOR BOTH MON AND TUES WITH DRYING ON WED AS HIGH PRESSURE IS EXPECTED
TO MOVE BACK OVER THE REGION. TEMPS SHOULD REMAIN NEAR CLIMATOLOGY...IF
NOT JUST ABOVE...FOR MOST OF THE PERIOD WITH SOME COOLING TOWARDS DAY 7.
&&
.AVIATION /22Z WEDNESDAY THROUGH MONDAY/...
AT KCLT...EXPECT VFR CONDITIONS TO PREVAIL. THE MAIN QUESTION IS
WHETHER ANY CONVECTION WILL AFFECT THE AIRFIELD THIS AFTERNOON INTO
THIS EVENING. WITH SCT CELLS DEVLOPING TO THE WEST...HAVE ELECTED TO
HAVE A TEMPO FOR TSRA BEGINNING AT 22Z WITH SOME RESTRICTIONS. AFTER
THE CONVECTION WANES THIS EVENING...ONLY SCT-BKN MID/HIGH LEVEL
CLOUDINESS EXPECTED.
ELSEWHERE...SIMILAR CONDITIONS TO KCLT...EXCEPT FOR EARLIER CHC OF
CONVECTION. HAVE CARRIED A VCTS ALL TAF SITES UNTIL ABOUT 00Z AND
WILL MONITOR CLOSELY TO SEE IF WE NEED TO GO TEMPO ANYWHERE.
OTHERWISE...VFR WITH FOG RELEGATED TO LITTLE TN VALLEY.
OUTLOOK...GRADUALLY INCREASING PRECIPITATION/RESTRICTION CHANCES ARE
EXPECTED THURSDAY AFTERNOON INTO FRIDAY AS AN UPPER LEVEL DISURBANCE
MOVES ACROSS THE REGION PRODUCING A WAVE OF LOW PRESSURE ON THE
STALLED FRONT LYING ACROSS THE WESTERN CAROLIANS INTO GA. SOME
DRYING IS EXPECTED LATE FRI INTO THE WEEKEND AS THE LOW AND FRONT
MOVE OUT OF THE AREA.
CONFIDENCE TABLE...
21-03Z 03-09Z 09-15Z 15-18Z
KCLT HIGH 100% HIGH 100% HIGH 100% HIGH 100%
KGSP HIGH 100% HIGH 100% HIGH 100% HIGH 100%
KAVL HIGH 100% HIGH 100% HIGH 91% HIGH 100%
KHKY HIGH 100% HIGH 100% HIGH 91% HIGH 100%
KGMU HIGH 100% HIGH 100% HIGH 100% HIGH 100%
KAND HIGH 83% HIGH 100% HIGH 100% HIGH 100%
THE PERCENTAGE REFLECTS THE NUMBER OF GUIDANCE MEMBERS AGREEING
WITH THE SCHEDULED TAF ISSUANCE FLIGHT RULE CATEGORY. COMPLETE HOURLY
EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLES AND ENSEMBLE FORECASTS
ARE AVAILABLE AT THE FOLLOWING LINK: (MUST BE LOWER CASE)
WWW.WEATHER.GOV/GSP/AVIATION_TABLES
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.
&&
SYNOPSIS...JPT
NEAR TERM...LG/PM
SHORT TERM...HG
LONG TERM...JPT
AVIATION...LGHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 337 PM EDT WED AUG 5 2015 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-061945- 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- 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-CHESTER-GREENWOOD- 337 PM EDT WED AUG 5 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...LATE THIS AFTERNOON AND TONIGHT. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA LATE THIS AFTERNOON INTO THIS EVENING BEFORE DIMINISHING. THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL. A FEW OF THESE THUNDERSTORMS COULD BE SEVERE...PRODUCING LARGE HAIL OR DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. ..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE. HG
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
446 PM EDT WED AUG 5 2015
NCZ068-052115-
CLEVELAND NC-
446 PM EDT WED AUG 5 2015
...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHERN CLEVELAND
COUNTY UNTIL 515 PM EDT...
AT 446 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES SOUTHWEST OF SHELBY...MOVING NORTHEAST AT 15 MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
SHELBY...BOILING SPRINGS NC...PATTERSON SPRINGS...LATTIMORE...WACO...
EARL...FALLSTON...MOORESBORO AND KINGSTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 3542 8146 3540 8144 3528 8136 3519 8147
3517 8162 3518 8166 3527 8174 3545 8147
TIME...MOT...LOC 2046Z 230DEG 11KT 3525 8160
NEDSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
533 PM EDT WED AUG 5 2015
NCZ033-050-503-052200-
AVERY NC-BURKE MOUNTAINS NC-MITCHELL NC-
533 PM EDT WED AUG 5 2015
...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHEASTERN MITCHELL
AND AVERY COUNTIES UNTIL 600 PM EDT...
AT 533 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES SOUTHWEST OF NEWLAND...MOVING NORTHEAST AT 10 MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
NEWLAND...SPRUCE PINE...BANNER ELK...ELK PARK...BEECH MOUNTAIN IN
AVERY COUNTY...CROSSNORE...SUGAR MOUNTAIN...SEVEN DEVILS...B.R.
PARKWAY-LINVILLE FALLS TO GRANDFATHER AND GRANDFATHER MOUNTAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.
&&
LAT...LON 3623 8191 3621 8190 3619 8188 3619 8186
3616 8183 3611 8181 3607 8174 3602 8177
3594 8193 3596 8195 3594 8196 3593 8195
3588 8205 3606 8213 3613 8205 3612 8203
3621 8198 3626 8192
TIME...MOT...LOC 2133Z 230DEG 10KT 3604 8199
NEDSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
602 PM EDT WED AUG 5 2015
NCZ033-050-052230-
AVERY NC-MITCHELL NC-
602 PM EDT WED AUG 5 2015
...THUNDERSTORM WITH TORRENTIAL RAINFALL WILL IMPACT PORTIONS OF
NORTHEASTERN MITCHELL AND AVERY COUNTIES UNTIL 630 PM EDT...
AT 601 PM EDT...DOPPLER RADAR WAS TRACKING A THUNDERSTORM WITH
TORRENTIAL RAINFALL 5 MILES NORTH OF SPRUCE PINE. THIS STORM WAS
NEARLY STATIONARY.
PEA SIZE HAIL...WIND GUSTS UP TO 40 MPH AND VERY HEAVY RAINFALL RATES
UP TO 2 INCHES PER HOUR WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
NEWLAND...SPRUCE PINE...BANNER ELK...BAKERSVILLE...CROSSNORE...SUGAR
MOUNTAIN...SEVEN DEVILS...B.R. PARKWAY-LINVILLE FALLS TO
GRANDFATHER...GRANDFATHER MOUNTAIN AND GRANDFATHER MOUNTAIN STATE
PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.
TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
&&
LAT...LON 3615 8182 3611 8181 3610 8178 3606 8175
3590 8213 3604 8219 3618 8184
TIME...MOT...LOC 2201Z 243DEG 2KT 3599 8206
NEDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
703 PM EDT WED AUG 05 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 PM HAIL 4 WSW INMAN 35.03N 82.16W
08/05/2015 E0.50 INCH SPARTANBURG SC NWS EMPLOYEE
MARBLE SIZED HAIL BRIEFLY FALLING.
&&
OUTLAWPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
710 PM EDT WED AUG 05 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0354 PM TSTM WND DMG NW ETOWAH 35.32N 82.60W
08/04/2015 HENDERSON NC PUBLIC
THE ETOWAH VALLEY GOLF COURSE HAD 36 TREES TO FALL IN THE
STORM TUESDAY AFTERNOON. OTHER TREES FELL IN ETOWAH WITH
POWER OUT FOR A WHILE TO THE TOWN.
&&
OUTLAWPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
728 PM EDT WED AUG 05 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0708 PM TSTM WND DMG 5 WSW INMAN 35.03N 82.18W
08/05/2015 SPARTANBURG SC LAW ENFORCEMENT
HIGHWAY PATROL REPORTS TREES DOWN IN THIS AREA...ALONG
HOLLY SPRINGS ROAD NORTH OF LYMAN.
0710 PM TSTM WND DMG 1 SSE INMAN 35.04N 82.08W
08/05/2015 SPARTANBURG SC LAW ENFORCEMENT
A TREE IN ROADWAY NEAR INTERSECTION OF HIGHWAY 176 AND
BLOOMWOOD HEIGHTS.
&&
OUTLAWThe Greer radar (KGSP), 38 km away, was scanning. The volume nearest the first event began at 23:30 UTC.
2 thunderstorm wind, 1 hail. Local standard time, as filed.
HAM radio operator reported nickel size hail on Highway 9 near the South Carolina border.
HAM radio operator reported numerous trees blown down in the Green Creek area, from Melvin Hill Rd near the South Carolina border, across Chesnee Rd, to Mcmurray Rd and Stacey Rd near the Rutherford County line.
Public reported numerous tree limbs, with a few large limbs blown down on Dewitt Owens Rd.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Carolina in 2015Every state in 2015This day in weather historyWarnings in North Carolina, August 2015
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 599656, 599654, 599655.