Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 109, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 26, 2012, 8:39 AM EDT for Graham County, Macon County, North Carolina. It was in force for 81 min. 3 reports 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
- Apr 26, 2012, 8:39 AM EDT (12:39 UTC)
- Expired
- Apr 26, 2012, 10:00 AM EDT
- In force
- 81 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Graham County, NC, Macon County, NC
The radar
The Knoxville radar (KMRX), 102 km from the middle of the area, began a volume at 12:39 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 26, 8:40 AM EDT | TSTM WND DMG | 1 Nnw Nantahala Lake, NC | TREES DOWN IN NANTAHALA GORGE AREA ALSO HAIL NO SIZE |
| Apr 26, 9:00 AM EDT | HAIL 0.75 | Robbinsville, NC | |
| Apr 26, 9:10 AM EDT | HAIL 0.75 | 6 S Franklin, NC | 3/4 INCH HAIL REPORTED BY PUBLIC |
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 1 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 26, 8:10 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 0.7 hours before the alert went out and 283 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.
- Mixed-layer CAPE
- 824 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 317 m²/s²
- 0-3 km storm-relative helicity
- 344 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.1
The text
As transmitted, in the capitals the NWS used until 2016.
980
WUUS52 KGSP 261239
SVRGSP
NCC075-113-261400-
/O.NEW.KGSP.SV.W.0109.120426T1239Z-120426T1400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
839 AM EDT THU APR 26 2012
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GRAHAM COUNTY IN WESTERN NORTH CAROLINA...
MACON COUNTY IN WESTERN NORTH CAROLINA...
* UNTIL 1000 AM EDT
* AT 829 AM 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
STECOAH...OR 6 MILES EAST OF ROBBINSVILLE...AND MOVING SOUTHEAST AT
40 MPH.
* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
FRANKLIN.
OTTO.
HIGHLANDS.
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 3541 8403 3546 8396 3547 8390 3544 8359
3540 8359 3538 8359 3532 8369 3528 8368
3533 8334 3523 8328 3524 8322 3516 8322
3500 8311 3499 8353 3515 8366 3516 8374
3525 8371 3525 8384 3521 8396 3523 8401
TIME...MOT...LOC 1239Z 305DEG 37KT 3525 8360
$$
CSH2 follow-up statements
393
WWUS52 KGSP 261313
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
913 AM EDT THU APR 26 2012
NCC075-113-261400-
/O.CON.KGSP.SV.W.0109.000000T0000Z-120426T1400Z/
GRAHAM NC-MACON NC-
913 AM EDT THU APR 26 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MACON AND
SOUTHERN GRAHAM COUNTIES UNTIL 1000 AM EDT...
AT 911 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM LAKE TOXAWAY TO SANTEETLAH
LAKE...MOVING SOUTHEAST AT 45 MPH.
SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
NANTAHALA LAKE AND HIGHLANDS.
OTTO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3538 8382 3533 8370 3528 8368 3533 8334
3523 8328 3524 8322 3516 8322 3506 8317
3500 8311 3499 8353 3515 8366 3516 8374
3523 8370 3525 8371 3525 8384 3521 8396
3523 8400 3540 8403
TIME...MOT...LOC 1313Z 305DEG 37KT 3507 8297 3530 8389
$$
CSH433
WWUS52 KGSP 261335
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
935 AM EDT THU APR 26 2012
NCC075-261344-
/O.CAN.KGSP.SV.W.0109.000000T0000Z-120426T1400Z/
GRAHAM NC-
935 AM EDT THU APR 26 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GRAHAM COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS
AREA.
LAT...LON 3523 8370 3525 8371 3528 8368 3516 8353
3510 8332 3505 8322 3506 8317 3500 8311
3499 8353 3503 8354 3505 8357 3506 8357
3515 8366 3516 8374
TIME...MOT...LOC 1334Z 305DEG 37KT 3494 8276 3518 8367
$$
NCC113-261400-
/O.CON.KGSP.SV.W.0109.000000T0000Z-120426T1400Z/
MACON NC-
935 AM EDT THU APR 26 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN MACON
COUNTY UNTIL 1000 AM EDT...
AT 930 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM AROUND NANTAHALA LAKE TO
MURPHY...MOVING SOUTHEAST AT 45 MPH.
SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
OTTO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3523 8370 3525 8371 3528 8368 3516 8353
3510 8332 3505 8322 3506 8317 3500 8311
3499 8353 3503 8354 3505 8357 3506 8357
3515 8366 3516 8374
TIME...MOT...LOC 1334Z 305DEG 37KT 3494 8276 3518 8367
$$
CSHWhat 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 Apr 26, 8:26 AM EDT, 13 minutes earlier.
Area forecast discussion, Apr 26, 8:26 AM EDT, 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 826 AM EDT THU APR 26 2012 .SYNOPSIS... A COLD FRONT WILL APPROACH THE AREA FROM THE NORTH RESULTING IN UNSETTLED WEATHER TODAY. THIS COLD FRONT IS EXPECTED TO BECOME STATIONARY FROM WEST TO EAST ACROSS OUR AREA FRIDAY AND SATURDAY. THE FRONT WILL MOVE OFF TO THE SOUTH SUNDAY AS CANADIAN HIGH BUILDS OVER THE REGION. THEN THE HIGH WILL LINGER THROUGH EARLY PART OF NEXT WEEK. && .NEAR TERM /THROUGH TONIGHT/... AS OF 815 AM...THE BOW ECHO MCS IS SLOW TO WEAKEN AS IT ENTERS THE SOUTHERN APPALACHIANS. HAVE COORDINATED WITH SPC AND ISSUED A SEVERE THUNDERSTORM WATCH ALL THE MTNS AND ADJACENT FOOTHILLS (EXCEPT GREENVILLE COUNTY) UNTIL 17Z (1 PM). THE MAIN THREAT IS EXPECTED TO BE WIND...BUT THE STORMS HAVE CONTINUED TO PRODUCE LARGE HAIL AS WELL. AS OF 7 AM...A WELL ORGANIZED BOW ECHO WILL SWEEP INTO THE WESTERN NC MTNS AROUND 8AM AND WILL REMAIN UNTIL 10AM. THIS LINE WILL BRING A RISK OF DAMAGING WINDS AND HAIL...SPS HAS BEEN ISSUED. I WILL RAMP UP POPS AND MENTION SVR TSRA IN THE FORECAST. ELSEWHERE...WINDS CONTINUE TO REMAIN ABOVE GUIDANCE...I HAVE INCREASED EARLY MORNING WINDS SOUTH OF THE WARM FRONT. NORTH OF THE FRONT...I WILL ADD THE MENTION OF FOG. AS OF 4 AM...THE SFC WARM FRONT WAS LOCATED GENERALLY ACROSS THE NRN MTNS EAST ALONG THE I-40 CORRIDOR. THE FRONT IS EXPECTED TO MOVE NORTH OF THE CWA BY SUNRISE. OBS SOUTH OF THE FRONT SHOW VERY MILD TEMPERATURES...IN THE U50S ACROSS THE MTNS VALLEYS TO MID TO U60S EAST. THESE TEMPERATURES MAY COOL A COUPLE OF DEGREES BEFORE SUNRISE...MAINLY DUE TO DECREASING MID TO HIGH CLOUD COVER. A FEW SPOTS WITH THE MTN VALLEYS COULD SEE FOG EARLY THIS MORNING. OTHERWISE...MOST SITES WILL SEE SW WINDS GRADUALLY STRENGTHEN THROUGH SUNRISE...MARGINAL GUSTS POSSIBLE ACROSS NE GA AND SC EAST OF I-85. A MCS WAS OVER WESTERN KY AND TRACKING SE AT 8Z...IF THE MCS SURVIVES...IT WOULD REACH THE EXTREME WESTERN NC MTNS BETWEEN 13Z TO 14Z. I WILL KEEP POPS LOW THROUGH SUNRISE...THEN BEGIN TO INCREASE POPS TO CHC ACROSS THE MTNS FOR SHRA/TSRA BY 14Z. BY MID MORNING...THE CENTER OF THE CLIPPER IS FORECAST TO REACH THE NRN OHIO RIVER VALLEY AS HIGH PRESSURE REMAINS ACROSS FL. THE PRESSURE GRADIENT SHOULD RANGE BETWEEN 4 TO 6 MBS BY MID MORNING...RELAXING A MB OR TWO DURING THE AFTERNOON. MIXING TO 4 TO 5 KFT SHOULD RESULT IN GUSTY SW WINDS FROM 15Z THROUGH SUNSET...GUSTING TO 20 TO 25 KTS...A LITTLE STRONGER OVER THE SC UPSTATE. HIGH TEMPS ARE FORECAST TO RANGE FROM THE MID 70S ACROSS THE MTN VALLEYS TO LOW TO MID 80S EAST. ANY CONVECTION SHOULD REMAIN ACROSS THE NC MTNS THROUGH MID DAY. HOWEVER...THE COLD FRONT ASSOCIATED WITH THE CLIPPER IS FORECAST TO SWEEP ACROSS THE SOUTHERN APPALACHIANS LATE THIS AFTERNOON. THROUGH THE EVENING HOURS...THE SW TO NE FRONT MAY PUSH EAST OVER THE FOOTHILLS AND PIEDMONT. FORECAST SOUNDINGS ACROSS THE CWA THIS MORNING INDICATE A SIGNIFICANT H8 INVERSION. THIS INVERSION SHOULD KEEP THE FOOTHILLS AND PIEDMONT CAPPED THROUGH MUCH OF THE DAY. ACROSS THE MTNS...THE VALUES OF CIN ASSOCIATED WITH THE INVERSION IS LESS...AND THE POTENTIAL FOR UPSTREAM CONVECTION TRACKING ACROSS THE MTNS IS CERTAINLY POSSIBLE. I WILL KEEP CHC POPS OVER THE MTNS AND SCHC OR LESS POPS EAST THROUGH 20Z. INTO THE EARLY EVENING HOURS...THE APPROACH OF THE COLD FRONT WILL WEAKEN THE INVERSION AND CONVECTION SHOULD GRADUALLY DEVELOP ALONG AND AHEAD OF THE FRONT. I WILL INCREASE POPS TO LIKELY ACROSS THE TN BORDER COUNTIES AND INDICATE SCT POPS EAST. FORECAST SOUNDINGS ACROSS THE MTNS INDICATE THAT LLVL HELICITY WILL INCREASE TO AROUND 200 M2/S2...EHI ABOVE 2...AND SWEAT CLOSE TO 400. THE SHEAR COMBINED WITH SFC BASED CAPES AROUND 2K J/KG AND WBZ AROUND 7.5 KFT SHOULD FAVOR THE DEVELOPMENT OF SVR TS...ESPECIALLY ALONG THE TN LINE. SPC OUTLOOKS THIS AREA WITH A SLIGHT RISK...HIGHLIGHTING THE POSSIBILITY OF SVR HAIL AND WIND. WE WILL CONTINUE TO MENTION THE THREAT OF SVR TSRA ACROSS THE NC MTNS IN THE HWO. TONIGHT...CONVECTION WILL GRADUALLY ASHE OUT AROUND MIDNIGHT...LIKELY LEAVING ISO SHRA AND TSRA NEAR THE GA/SC/NC INTERSECTION INTO THE EARLY MORNING HOURS. NAM AND GFS INDICATE THAT COOLER THICKNESSES WILL SLOWLY PUSH SOUTH ACROSS THE REGION OVERNIGHT. USING A BLEND OF MOS...LOW TEMPERATURES ARE EXPECTED TO RANGE FROM THE L50S ACROSS THE MTNS TO NEAR 60 ACROSS THE UPPER SAVANNAH RIVER VALLEY. && .SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/... AS OF 330 AM THURSDAY...THE SHORT TERM FORECAST PICKS UP AT 12Z ON FRIDAY WITH THE EASTERN CONUS UPPER TROF SLOWLY LIFTING NE AND THE SOUTHERN STREAM BECOMES FAIRLY ZONAL. A WEAK UPPER RIDGING WILL BUILD INTO THE SOUTHEAST U.S. SATURDAY AND ANOTHER UPPER TROF OVER QUEBEC DIGS SOUTH BY EARLY SUNDAY. AT THE SURFACE...A LOW PRESSURE WILL MOVE OFF THE NEW ENGLAND COAST THURSDAY NIGHT/EARLY FRIDAY...AND DRAG A COLD FRONT SOUTHWARD INTO OUR AREA. THE LATEST MODELS CONTINUE TO INDICATE THAT THE FRONT BECOMES STATIONARY INVOF THE SOUTHERN EDGE OF THE CWA BY 12Z FRIDAY. THEN THE FRONT WILL LIFT BACK NORTHWARD BY FRIDAY AFTERNOON. THE LATEST MODEL SOUNDINGS HAVE TRENDED WEAKER WIND SHEAR AND LESS CAPE VALUES THAN THE PREVIOUS RUNS. NEVERTHELESS...WITH SOME DEGREE OF CONVERGENCE AND WEAK DIURNAL INSTABILITY...WE COULD SEE A DEVELOPMENT OF SHOWERS AND THUNDERSTORMS ALONG THE FRONTAL BOUNDARY. A MODEL BLEND FOR POPS RESULTS IN SOLID CHANCE POP WORKING FROM SW TO NE DURING THE DAY AND INTO FRIDAY EVENING. THE FRONT WILL LIFT NORTH OF THE AREA SATURDAY AS THE SUBTROPICAL HIGH BUILDS OVER THE SOUTHEAST U.S. THE FRONT WILL REMAIN JUST TO OUR NORTH KEEPING OUR WEATHER MOSTLY DRY AND WARMER TEMPS. && .LONG TERM /SUNDAY THROUGH WEDNESDAY/... AS OF 230 AM THURSDAY...THE MEDIUM RANGE FORECAST PICKS UP AT 12Z ON SUNDAY WITH WEAK UPPER RIDGING OVER THE CAROLINAS AND AN UPPER TROF PERSISTING OVER THE NORTHEASTERN STATES. HEIGHTS BEGIN TO RISE MONDAY AS THE UPPER TROF ROTATES OFF THE NEW ENGLAND COAST AND UPPER RIDGING BUILDS INTO THE SOUTHEAST U.S. BY EARLY NEXT WEEK. AT THE SURFACE...BOTH THE HPC AND THE GFS INDICATE THAT CANADIAN SURFACE HIGH OVER THE GREAT LAKES AND NORTHEAST STATES WILL PUSH A BACKDOOR COLD FRONT SOUTH ACROSS OUR FORECAST AREA ON SUNDAY. IN THE WAKE OF THE FRONTAL PASSAGE...COLD AIR DAMMING IS EXPECTED FOR SUNDAY NIGHT AND MONDAY. WITH DECENT MOISTURE AND WEAK LLVL FORCING...HAVE MENTIONED SLIGHT CHANCE POP OVER THE PIEDMONT AND SOLID CHANCE FOR NC MOUNTAINS AND FOOTHILLS. THE CONTINENTAL HIGH BECOMES SUBTROPICAL HIGH AND REMAINS OVER THE SOUTHEAST U.S. TUE/WED KEEPING A FRONTAL SYSTEM WELL TO OUR NORTH DURING THE PERIOD. HOWEVER...WE CANNOT RULE OUT THE POSSIBILITY OF AFTERNOON SHOWERS AND THUNDERSTORMS TUE/WED DUE TO INCREASING MOIST SOUTHERLY FLOW AND DIURNAL INSTABILITY. DAYTIME TEMPS WILL BE A FEW DEGREES BELOW NORMAL MON/TUE...THEN BACK ABOVE NORMAL WEDNESDAY. && .AVIATION /13Z THURSDAY THROUGH MONDAY/... AT KCLT...WINDS WILL REMAIN SSW AS A WARM FRONT MOVES NORTH. SW WINDS ACROSS THE TERMINAL THIS MORNING WILL GRADUALLY STRENGTHEN FROM THE PRE DAWN HOURS ON. A 4 TO 6 MB PRESSURE GRADIENT MAY DEVELOP BY MID MORNING AS THE CENTER OF THE CLIPPER LOW MOVES OVER THE OHIO RIVER VALLEY. MIXING TO 4 TO 5 KFT SHOULD RESULT IN GUSTY SW WINDS FROM 14Z THROUGH SUNSET...GUSTING TO 20 TO 25 KTS. A COLD FRONT ASSOCIATED WITH THE CLIPPER WILL PUSH NW TO SE ACROSS THE REGION DURING THE LATE AFTERNOON TO EARLY EVENING HOURS. SHRA AND TSRA SHOULD DEVELOP ALONG AND AHEAD OF THE FRONT...COVERAGE APPEAR TOO LITTLE AT THIS POINT TO ADD TO THE TAF. WINDS SHOULD DECOUPLE AND VEER NW AFTER 0Z. ELSEWHERE...FOG AND LOW CLOUDS WILL REMAIN OVER KHKY THROUGH 13Z...THEN THE WARM FRONT SHOULD LIFT NORTH. SW WINDS ACROSS THE TERMINAL THIS MORNING WILL GRADUALLY STRENGTHEN FROM THE PRE DAWN HOURS ON. A BAND OF SHRA/TSRA MAY REACH KAVL AROUND 14Z. A 4 TO 6 MB PRESSURE GRADIENT MAY DEVELOP BY MID MORNING AS THE CENTER OF THE CLIPPER LOW MOVES OVER THE OHIO RIVER VALLEY. MIXING TO 4 TO 5 KFT SHOULD RESULT IN GUSTY SW WINDS FROM 14Z THROUGH SUNSET...GUSTING TO 20 TO 25 KTS...A LITTLE STRONGER OVER THE SC UPSTATE. A COLD FRONT ASSOCIATED WITH THE CLIPPER WILL PUSH NW TO SE ACROSS THE REGION DURING THE LATE AFTERNOON TO EARLY EVENING HOURS. SHRA AND TSRA SHOULD DEVELOP ALONG AND AHEAD OF THE FRONT. WINDS SHOULD DECOUPLE AND VEER NW AFTER 0Z. OUTLOOK...A COLD FRONT WILL APPROACH FROM THE NORTH THROUGH FRIDAY. MAINLY PM SHOWERS/THUNDERSTORMS AND MORE WIDESPREAD RESTRICTIONS WILL BE POSSIBLE LATE IN THE WEEK AS THE FRONT DIPS FARTHER SOUTH INTO THE AREA. 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...JOH NEAR TERM...ARK/NED SHORT TERM...JOH LONG TERM...JOH AVIATION...NED
Hazardous weather outlook, Apr 26, 8:22 AM EDT, 17 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 822 AM EDT THU APR 26 2012 NCZ033-048>053-058-059-062>065-501-503-505-507-509-271230- AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS- 822 AM EDT THU APR 26 2012 ...SEVERE THUNDERSTORM WATCH 190 IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...TODAY 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. A COLD FRONT MAY BRING ANOTHER ROUND OF SEVERE WEATHER TO THE NORTH CAROLINA MOUNTAINS LATE THIS AFTERNOON AND EVENING. THE ENVIRONMENT ALONG AND AHEAD OF THE FRONT WILL SUPPORT CLUSTERS OR LINES OF THUNDERSTORMS TO DEVELOP ACROSS EASTERN KENTUCKY AND TENNESSEE. THESE STORMS WILL LIKELY TRACK EAST TO SOUTHEAST REACHING THE NORTH CAROLINA MOUNTAINS LATE THIS AFTERNOON AND EVENING. DAMAGING WIND GUSTS AND LARGE HAIL WILL BE POSSIBLE WITH THESE STORMS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. 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. GAZ010-017-018-NCZ502-504-506-508-510-SCZ001-002-004-005-271230- RABUN-HABERSHAM-STEPHENS-GREATER CALDWELL-GREATER BURKE- EASTERN MCDOWELL-GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREATER OCONEE-GREATER PICKENS- 822 AM EDT THU APR 26 2012 ...SEVERE THUNDERSTORM WATCH 190 IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY 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. SCATTERED THUNDERSTORMS ARE FORECAST TO DEVELOP ACROSS THE FOOTHILLS AND PIEDMONT LATE THIS AFTERNOON AND EVENING. A FEW OF THESE STORMS COULD PRODUCE QUARTER SIZED HAIL AND DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. 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. GAZ026-028-029-NCZ035>037-056-057-068>072-082-SCZ003-006>014-019- 271230- FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND- LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-GREENVILLE MOUNTAINS- GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE- LAURENS-UNION SC-CHESTER-GREENWOOD- 822 AM EDT THU APR 26 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED THUNDERSTORMS ARE FORECAST TO DEVELOP ACROSS THE FOOTHILLS AND PIEDMONT LATE THIS AFTERNOON AND EVENING. A FEW OF THESE STORMS COULD PRODUCE QUARTER SIZED HAIL AND DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. 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. ARK
In the hours before
Special weather statement, Apr 26, 6:24 AM EDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 624 AM EDT THU APR 26 2012 NCZ048-051>053-058-059-062-261400- MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON- INCLUDING THE CITIES OF...CHEROKEE...BRYSON CITY...WAYNESVILLE... ASHEVILLE...SYLVA...FRANKLIN 624 AM EDT THU APR 26 2012 ...A LINE OF SEVERE THUNDERSTORMS MAY REACH THE WESTERN NORTH CAROLINA MOUNTAINS THIS MORNING... AT 620 AM...A LINE OF SEVERE THUNDERSTORMS WAS CROSSING THE MIDDLE KENTUCKY-TENNESSEE STATE LINE. THIS LINE WAS MOVING SOUTHEAST AT 45 MPH AND IS EXPECTED TO REACH THE WESTERN NORTH CAROLINA MOUNTAINS AROUND 8 AM. STORM REPORTS INDICATE THAT THIS LINE HAS A LONG HISTORY OF PRODUCING LARGE HAIL AND ISOLATED DAMAGING WIND. IF THIS LINE REMAINS ORGANIZED OVER EASTERN TENNESSEE...THEN AREAS FROM GRAHAM TO MADISON COUNTIES AND MOUNTAIN COUNTIES EAST WOULD LIKELY EXPERIENCE SEVERE WEATHER BETWEEN 8 AM AND 10 AM THIS MORNING. NED
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:49 AM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Haywood, Jackson, Madison, Swain | 56 min |
| Apr 26, 8:15 AM EDT | Severe Thunderstorm Warning | GSP | Avery, Mitchell, Yancey | 60 min |
| Apr 26, 8:26 AM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Haywood, Henderson, Jackson, Transylvania | 64 min |
| Apr 26, 8:46 AM EDT | Severe Thunderstorm Warning | GSP | Burke, Caldwell, McDowell, Polk, Rutherford | 59 min |
| Apr 26, 9:06 AM EDT | Areal Flood Advisory | GSP | Graham | 84 min |
| Apr 26, 9:22 AM EDT | Special Weather Statement | GSP | Cleveland | 38 min |
| Apr 26, 9:26 AM EDT | Special Weather Statement | GSP | Alexander, Catawba | 64 min |
| Apr 26, 9:29 AM EDT | Special Weather Statement | GSP | Gaston, Lincoln | 61 min |
| Apr 26, 9:47 AM EDT | Special Weather Statement | GSP | Iredell | 43 min |
| Apr 26, 10:04 AM EDT | Special Weather Statement | GSP | Mecklenburg | 41 min |
| Apr 26, 10:09 AM EDT | Special Weather Statement | GSP | Cabarrus, Davie, Rowan | 51 min |
| Apr 26, 2:19 PM EDT | Special Weather Statement | GSP | Haywood | 41 min |
| Apr 26, 2:29 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Haywood, Madison | 76 min |
| Apr 26, 2:49 PM EDT | Severe Thunderstorm Warning | GSP | Union | 71 min |
| Apr 26, 2:53 PM EDT | Severe Thunderstorm Warning | GSP | Henderson | 67 min |
| Apr 26, 3:40 PM EDT | Special Weather Statement | GSP | Haywood | 35 min |
| Apr 26, 4:06 PM EDT | Special Weather Statement | GSP | Haywood | 24 min |
| Apr 26, 4:17 PM EDT | Special Weather Statement | GSP | Swain | 43 min |
| Apr 26, 4:35 PM EDT | Severe Thunderstorm Warning | GSP | Graham, Swain | 70 min |
| Apr 26, 4:51 PM EDT | Special Weather Statement | GSP | Haywood | 39 min |
| Apr 26, 4:59 PM EDT | Severe Thunderstorm Warning | GSP | Jackson, Macon, Swain, Transylvania | 76 min |
| Apr 26, 5:16 PM EDT | Areal Flood Advisory | GSP | Swain | 6 hr |
| Apr 26, 5:16 PM EDT | Severe Thunderstorm Warning | GSP | Graham, Macon, Swain | 74 min |
| Apr 26, 5:18 PM EDT | Special Weather Statement | GSP | Burke | 42 min |
| Apr 26, 6:02 PM EDT | Severe Thunderstorm Warning | GSP | Jackson, Transylvania | 73 min |
| Apr 26, 6:15 PM EDT | Severe Thunderstorm Warning | GSP | Jackson, Macon, Transylvania | 75 min |
| Apr 26, 6:41 PM EDT | Special Weather Statement | GSP | Graham | 49 min |
| Apr 26, 6:56 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 44 min |
| Apr 26, 7:23 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, McDowell, Rutherford | 42 min |
| Apr 26, 7:37 PM EDT | Special Weather Statement | GSP | Transylvania | 38 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.