An isolated severe storm developed over the North Carolina Blue Ridge during the late afternoon hours.
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 severe storm developed over the North Carolina Blue Ridge during the late afternoon hours.
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 25, 1:23 PM EST, 2 hours 32 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 223 PM EDT THU AUG 25 2011 .SYNOPSIS... A WEAK FRONTAL BOUNDARY WILL STALL OVER THE AREA AND DISSIPATE ON FRIDAY. MEANWHILE...HURRICANE IRENE WILL MOVE NORTH ALONG THE ATLANTIC COASTLINE...AND IS EXPECTED TO PASS JUST EAST OF THE CAROLINA COAST THIS WEEKEND. HIGH PRESSURE WILL BUILD BACK OVER THE REGION EARLY NEXT WEEK. && .NEAR TERM /THROUGH FRIDAY/... THE TAIL END OF A WEAKENING SHORT WAVE TROUGH WILL CROSS THE MTNS THIS EVENING. AN ASSOCIATED SFC COLD FRONT WILL BE SLOWER TO APPROACH...BUT SHOULD HANG UP OVER THE MOUNTAINS LATER TONIGHT. FORCING AND DEEP LAYER SHEAR WILL BE QUITE WEAK WITH THIS SYSTEM...THOUGH THE MESOSCALE MODELS DEVELOP SCT TO ISOLATED CONVECTION OVER THE NC MTNS AND FOOTHILLS LATE THIS AFTN AND INTO THE EVENING HOURS. LOW CHANCE POPS ARE ALREADY IN THESE ZONES THROUGH THE EVENING HOURS AND ONLY SMALL TWEAKS HAVE BEEN MADE. A HEALTHY CU FIELD HAS DEVELOPED OVER THE MIDLANDS...BUT HAS NOT MADE IT INTO THE UPSTATE...NE GA OF THE WRN NC PIEDMONT...AND I DON/T EXPECT ANY CONVECTION THROUGH TONIGHT OVER THESE ZONES. HURRICANE IRENE WILL MOVE CLOSER TO THE SE COAST ON FRI. THIS WILL SPREAD INCREASINGLY STRONG MID-TROPOSPHERIC SUBSIDENCE ACROSS THE FA. THE GFS AND NAM BOTH DEVELOP SOME CONVECTION OVER THE NC MTNS FRIDAY AFTN...MAINLY THE RESULT OF THE WEAKENING STATIONARY FRONT IN THIS AREA...AND LOW CHANCE POPS HAVE BEEN RETAINED IN THE MTNS. HOWEVER...IT/S USUALLY DIFFICULT TO GET MUCH TO DEVELOP IN THE SUBSIDENCE REGIME SEVERAL HUNDRED MILES TO THE WEST OF A LARGE TROPICAL CYCLONE. POPS HAVE BEEN LOWERED BACK TO SLIGHT CHANCE OR LESS OVER THE PIEDMONT ZONES FOR THIS REASON. WITH VERY WARM LLVL THICKNESSES...AFTERNOON MAX TEMPS WILL RUN ABOUT 5 DEGREES ABOVE NORMAL DESPITE THE LIGHT NE FLOW. && .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... AS OF 100 PM THURSDAY...LINGERING ISOLATED MTN/FTHL DEEP CONVECTION SHOULD DIMINISH FRIDAY EVENING WITH LOSS OF HTG. THE 25/12 UTC OP GFS CONTINUES TO CAPTURE THE ESSENCE OF NHC/S OFFICIAL IRENE TRACK...ALBEIT A LITTLE FURTHER WEST. AT ANY RATE...IT STILL LOOKS LIKELY TO LIMIT THE CAROLINA PIEDMONT SENSIBLE WX FRIDAY NIGHT TO JUST ENCROACHING AND THICKENING HIGH CLOUDS...ALONG WITH SOME UPSLOPE STRATOCU...AND EAST OF I-77...POSSIBLY DEVELOPING BZY CONDS AS NORTHERLY 40 KT 85H WINDS ON THE WESTERN PERIPHERY OF IRENE NEAR. HIGH LVL CLOUD SHIELD IS PROGGED TO PIVOT ACRS W NC SATURDAY AND WITH A AREA OF 85-70H LYR RH DEVELOPING...CU FIELD IS PROBABLE... ALTHOUGH IT IS DEBATABLE HOW FAR WEST INTO THE SUBSIDING AIR THAT SHALLOW CONVECTIVE CLOUDS WILL BE SEEN. SLOWLY BACKING 85H WINDS TOP OUT NEAR 45 KTS JUST EAST OF THE I-77 CORRIDOR...SO AS MIXING INCREASES...GFS BUFKIT WOULD SUPPORT SFC WIND GUSTS NEAR 30 MPH SATURDAY AFTERNOON IN THESE AREAS. MODEL TIMEHEIGHTS DEPICT CLOUDINESS ASSOCIATED WITH IRENE PULLING OFF TO THE NE OF THE CWFA SATURDAY NIGHT AND LINGERING DEEP LAYER DRY AIR INTO SUNDAY. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... AS OF 130 PM THURSDAY...THE MEDIUM RANGE FCST PICKS UP AT 6Z ON MONDAY WITH TROPICAL CYCLONE IRENE EXPECTED TO BE MOVING OVER NEW ENGLAND AND A BROAD UPPER TROF OVER THE CAROLINAS. HEIGHTS WILL LIKELY RISE THRU MOST OF THE PERIOD AS THE POLAR JET RETREATS FARTHER NORTH AND ANOTHER H5 RIDGE BEGINS TO BUILD OVER THE CENTRAL CONUS. AT THE SFC...HIGH PRESSURE WILL PUSH INTO THE FCST AREA FROM THE NORTH...AS IRENE MOVES FARTHER UP THE NEW ENGLAND COAST...AND BRING COOLER AND DRIER NORTHERLY FLOW TO THE AREA. ON TUES...THE SFC HIGH WILL GRADUALLY DRIFT TO THE EAST ALLOWING WINDS TO BECOME MORE EASTERLY. THE LATEST GFS MOVES THE HIGH FARTHER EAST THAN THE ECMWF DOES. IT ALSO GENERATES MORE MOIST PROFILES OVER MUCH OF THE CWFA ON TUES AFTERNOON/EVENING AS IT TRIES TO ESTABLISH A WEDGE PATTERN TO THE NE. I TOOK A BLEND OF THESE 2 SOLUTIONS FOR THE SENSIBLE FCST AND ONLY HAVE A SLIGHT CHANCE POP ON TUES AND WED. TEMPS ARE EXPECTED TO COOL A FEW DEGREES OVER THE PERIOD WITH HIGHS A DEGREE OR 2 ABOVE CLIMO FOR LATE AUGUST. && .AVIATION /19Z THURSDAY THROUGH TUESDAY/... AT KCLT...CHANCES FOR MFR FOG LOOK GOOD AT THE AIRFIELD LATE TONIGHT. THE SREF GUIDANCE HAS A 40 TO 50 PERCENT CHANCE OF IFR CIGS DEVELOPING ALONG AND EAST OF A LINE FROM EQY TO VUJ LATE TONIGHT...BUT NOTHING FARTHER TO THE WEST. THE REST OF THE GUIDANCE IS LOW CLOUD FREE AND THERE ARE NO LOW CIGS IN THE TAF. WINDS WILL GO CALM TONIGHT AND TURN OUT OF THE NE ON FRI. NO CONVECTION EXPECTED IN THE VCNTY OF THE AIRFIELD THIS PACKAGE...THOUGH THERE WILL BE STORMS WELL TO THE WEST AND EAST. ELSEWHERE...LOOKING FOR MVFR FOG AT ALL AIRFIELDS LATE TONIGHT WITH A MOIST LLVL AIRMASS IN PLACE. IFR CIGS AND VSBYS ARE A GOOD BET AT KAVL...THOUGH I DIDN/T GO A LOW AS GUIDANCE AS THEY WON/T BE TOO FAR BELOW THEIR CROSSOVER TEMP. THAT DOESN/T ALWAYS WORK AT KAVL... HOWEVER...AND THEY MAY WELL SPEND A FEW HOURS UNDER DENSE FOG BANK. SCT TSTMS ARE EXPECTED OVER THE MTNS LATER TODAY AND CB AND VCSH HAVE BEEN RETAINED AT KAVL. CONVECTIVE CHANCES ARE NOT HIGH ENUF ELSEWHERE TO ADD CB/S WITH THE EXCEPTION OF KHKY THROUGH THE EVENING HOURS. WINDS WILL TURN OUT OF THE NE AFTER SUNRISE ON FRI. OUTLOOK...WINDY CONDITIONS ARE EXPECTED AT KCLT ON SATURDAY AS HURRICANE IRENE MOVES UP THE COAST. SCT AFTN AND EVENING TSTMS ARE EXPECTED FRIDAY...WITH DRIER WEATHER AND LITTLE IF ANY FOG SAT NIGHT THROUGH MONDAY. 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...JPT NEAR TERM...MCAVOY SHORT TERM...CSH LONG TERM...JPT AVIATION...MCAVOY
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 433 PM EDT THU AUG 25 2011 NCZ033-035>037-048>053-056>059-062>065-501>510-262045- AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD- BUNCOMBE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CALDWELL MOUNTAINS- GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS- EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-GREATER RUTHERFORD- POLK MOUNTAINS-EASTERN POLK- 433 PM EDT THU AUG 25 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND WESTERN NORTH CAROLINA. .DAY ONE...TONIGHT. ISOLATED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE REGION INTO THIS EVENING. THE MAIN THREATS WILL BE A FEW CLOUD TO GROUND LIGHTNING STRIKES...LOCALLY GUSTY WINDS...AND BRIEF HEAVY RAIN. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. HURRICANE IRENE IS EXPECTED TO TRACK ACROSS THE OUTER BANKS OF NORTH CAROLINA OVER THE WEEKEND. BASED UPON THIS FORECAST TRACK...THE STORM IS EXPECTED TO HAVE MINIMAL IMPACT OVER THE WESTERN CAROLINAS. .SPOTTER INFORMATION STATEMENT... NONE. GAZ010-017-018-026-028-029-NCZ068>072-082-SCZ001>014-019-262045- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-CLEVELAND-LINCOLN- GASTON-MECKLENBURG-CABARRUS-UNION NC-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 433 PM EDT THU AUG 25 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. HURRICANE IRENE IS EXPECTED TO TRACK ACROSS THE OUTER BANKS OF NORTH CAROLINA OVER THE WEEKEND. BASED UPON THIS FORECAST TRACK...THE STORM IS EXPECTED TO HAVE MINIMAL IMPACT OVER THE WESTERN CAROLINAS AND NORTHEAST GEORGIA. .SPOTTER INFORMATION STATEMENT... NONE.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
450 PM EDT THU AUG 25 2011
NCZ064-252115-
TRANSYLVANIA-
450 PM EDT THU AUG 25 2011
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL TRANSYLVANIA COUNTY
THROUGH 515 PM EDT...
AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR BALSAM GROVE...OR 8 MILES WEST OF BREVARD...
MOVING SOUTHEAST AT 10 MPH.
THIS STORM WILL BE NEAR...
ROSMAN...
PEOPLE IN CENTRAL TRANSYLVANIA COUNTY...INCLUDING THE FOLLOWING
LOCATION...
ROSMAN...
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 3523 8294 3526 8293 3535 8280 3520 8268
3510 8290
NEDThe Greer radar (KGSP), 123 km away, was scanning. The volume nearest the first event began at 20:54 UTC.
1 thunderstorm wind. Local standard time, as filed.
Large tree limbs were blown down about 10 miles west of Lenoir.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Carolina in 2011Every state in 2011This day in weather historyWarnings in North Carolina, August 2011
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: 343583.