Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 272, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 1, 2007, 2:54 PM EDT for Henderson County, North Carolina. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 1, 2007, 2:54 PM EDT (18:54 UTC)
- Expired
- Jul 1, 2007, 3:45 PM EDT
- In force
- 51 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Henderson County, NC
The radar
The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 18:57 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.9 hours before the alert went out and 287 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
- 34 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 1436 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 1, 11:24 AM EDT, 3 hours 30 minutes earlier.
Area forecast discussion, Jul 1, 11:24 AM EDT, 3 hours 30 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1124 AM EDT SUN JUL 1 2007 .SYNOPSIS... A COLD FRONT WILL STALL OUT ACROSS THE MIDLANDS AND BECOME THE FOCUS OF SHOWERS AND THUNDERSTORMS SUNDAY. MEANWHILE...COOLER AND DRIER AIR WILL MOVE IN FROM THE NORTH AS HIGH PRESSURE BUILDS SOUTH DOWN THE ATLANTIC COAST FOR MONDAY AND TUESDAY. THE HIGH MOVES OFF THE ATLANTIC SEABOARD TUESDAY NIGHT...AS LOW PRESSURE TRACKS THROUGH THE GREAT LAKES. && .NEAR TERM /THROUGH TONIGHT/... RECENT OBSERVATIONS SHOW DEWPOINTS FALLING ACROSS THE CWA...ESPECIALLY ACROSS THE I-40 CORRIDOR. 12Z SFC ANALYSIS INDICATES THAT THE FRONT HAS PUSHED SOUTH OF THE CWA. SREF CAPE FIELDS SHOW LITTLE TO KNOW CHC FOR 1000 J/KG OR GREATER NORTH OF THE SAVANNAH RIVER VALLEY. IT APPEARS THAT JUST GENERAL TSRA ACTIVITY MAY DEVELOP WITHIN THE SAVANNAH RIVER VALLEY AND THE EASTERN SLOPES ALONG THE NC/SC STATE LINE. ELSEWHERE...I WILL NOT ADVERTISE ANY SHRA/TSRA. THE CURRENT FORECAST IS IN GOOD SHAPE...LITTLE CHANGE NEEDED. I WILL UPDATE FOR OBSERVATIONS AND FORECAST TRENDS IN SKY AND TEMP. && .SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/... MONDAY...SFC HIGH PRESSURE BUILDS IN ACROSS MUCH OF THE EASTERN CONUS...WITH RIDGING TAKING PLACE EAST OF THE APPALACHIANS. THE COLD FRONT WILL BE SITUATED SOUTH OF THE CWFA...WITH EASTERLY LOW LEVEL FLOW SETTING UP. LATEST GFS SHOWS MORE MOISTURE POOLING UP ALONG THE MTNS THAN THE NAM. RESPECTIVELY...THE GFS HAS MORE INSTABILITY IN THE MTN ZONES. HAVE ADJUSTED POP FOR MONDAY AFTN UP A BIT...WHICH IS A COMPROMISE BETWEEN THE MAV AND MET MOS GUIDANCE. WITH ALL THE MOISTURE AND CLOUD COVER ADVERTISED BY THE GFS...MAV MAX TEMPERATURES ARE QUITE LOW (80 F AT GSP AND CLT). ONLY TRENDED TEMPS DOWN A COUPLE DEG FOR NOW...WHICH IS ALREADY A FEW DEG BELOW NORMAL (LOWER TO MID 80S). MONDAY NIGHT THROUGH TUESDAY NIGHT...SKIES RAPIDLY CLEAR OUT WITH MIN TEMPS DROPPING INTO THE LOWER TO MID 60S (50S IN MTNS). LOW LEVEL THICKNESSES INCREASE TUESDAY...WITH TEMPS LOOKING TO BE GENERALLY 5 DEG F WARMER THAN MONDAY. SFC RIDGE AXIS WILL BE ORIENTED E-W ACROSS CWFA...AND CAPE LOOKS LIMITED TO JUST THE HIGH TERRAIN. LEFT SLIGHT CHC POP FOR THE MTNS ONLY. && .LONG TERM /WEDNESDAY THROUGH SATURDAY/... LITTLE CHANGE IN THE 00Z/01 MODEL GUIDANCE FOR THE EXTENDED PERIOD. A HIGH AMPLITUDE PATTERN WILL PERSIST...WITH A LARGE WESTERN RIDGE...AND AN EASTERN TROUGH. UNDER NORTHWEST FLOW ALOFT...A COLD FRONT IS FCST TO ENTER THE CWFA THURSDAY NIGHT AND SLOW DOWN AS IT CROSSES THE WESTERN CAROLINAS AND VICINITY. INHERITED POP/WX GRIDS LOOK GOOD. TEMPS STILL LOOK TO BE AT OR A FEW DEGREES F ABOVE NORMAL FROM THURSDAY INTO THE WEEKEND...WITH A DECENT CHC OF AFTN SHOWERS AND TSTMS. && .AVIATION /16Z SUNDAY THROUGH THURSDAY/... PATCHY MVFR FOG SHOULD END AROUND 13Z. MODEL CONSENSUS STILL SHOWS VFR CONDITIONS TODAY...WITH THE BEST CHC OF CONVECTION NEAR THE SC AND KAVL TAF SITES. HAVE ONLY INCLUDED CB FOR NOW GIVEN THE POP IS MUCH LOWER THAN PREVIOUS DAYS. MDLS STILL SHOW GOOD LOW LEVEL MOISTURE AND SELY UPSLOPE FLOW OVERNIGHT. EXPECT VFR CIGS TO DEVELOP AS MDLS SHOW MOISTURE AROUND THE 800 MB LEVEL. NORTH TO NORTHEAST WINDS EXPECTED TODAY WITH SOME BRIEF GUSTINESS WITH MIXING THIS MORNING. WITH THE VFR CIGS AND LOWER DEW POINTS TONIGHT...FOG CHANCES ARE ALSO LOWER THAN THE PREVIOUS FEW DAYS. DO NOT HAVE ANY VSBY RESTRICTIONS AFTER THIS MORNING/S FOG DISSIPATES. AVIATION OUTLOOK...CONVECTION WILL BE LIMITED TO THE MOUNTAINS MONDAY THROUGH WEDNESDAY AS AN EASTERLY FLOW BANKS MOISTURE UP AGAINST HIGHER TERRAIN. RELATIVE HUMIDITY RECOVERY WILL BE SUFFICIENT EACH NIGHT FOR FOG PRODUCTION...HOWEVER WINDS MAY REMAIN UP ENOUGH IN THE LEE OF THE MOUNTAINS TO PRECLUDE FOG AT SOME LOCATIONS. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...ARK NEAR TERM...NED SHORT TERM...ARK LONG TERM...ARK AVIATION...RWH
Hazardous weather outlook, Jul 1, 5:00 AM EDT, 9 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 500 AM EDT SUN JUL 1 2007 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-020900- 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- 500 AM EDT SUN JUL 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ARK
In the hours before
Special weather statement, Jul 1, 1:24 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 124 PM EDT SUN JUL 1 2007 GAZ010-SCZ001-011815- OCONEE MOUNTAINS-RABUN- 124 PM EDT SUN JUL 1 2007 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN RABUN AND WESTERN OCONEE COUNTIES THROUGH 215 PM EDT... AT 124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR TALLULAH FALLS...OR 8 MILES SOUTH OF CLAYTON...MOVING SOUTHEAST AT 5 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE RABUN...TIGER...LAKEMONT...CLAYTON AND LONG CREEK. SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH...AND HEAVY RAIN ARE EXPECTED WITH THIS STORM. BSH
Special weather statement, Jul 1, 1:33 PM EDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 133 PM EDT SUN JUL 1 2007 GAZ010-011815- RABUN- 133 PM EDT SUN JUL 1 2007 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL RABUN COUNTY THROUGH 215 PM EDT... AT 133 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES WEST OF MOUNTAIN CITY...OR 3 MILES NORTHWEST OF CLAYTON...MOVING SOUTHEAST AT 10 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO TIGER...SKY VALLEY...MOUNTAIN CITY...LAKEMONT...DILLARD AND CLAYTON. SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH...AND HEAVY RAINFALL ARE EXPECTED WITH THIS STORM. BSH
Local storm report, Jul 1, 2:15 PM EDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
215 PM EDT SUN JUL 01 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0209 PM HAIL LAKEMONT 34.78N 83.42W
07/01/2007 E1.75 INCH RABUN GA COUNTY OFFICIAL
0209 PM TSTM WND DMG LAKEMONT 34.78N 83.42W
07/01/2007 RABUN GA COUNTY OFFICIAL
SEVERAL TREES AND POWER LINES DOWN.
&&
NEDSpecial weather statement, Jul 1, 2:21 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 221 PM EDT SUN JUL 1 2007 NCZ065-011845- HENDERSON- 221 PM EDT SUN JUL 1 2007 ...A STRONG THUNDERSTORM WILL AFFECT HENDERSON COUNTY THROUGH 245 PM EDT... AT 221 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES WEST OF HENDERSONVILLE...MOVING EAST AT 10 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO FLAT ROCK...TUXEDO...MOUNTAIN HOME...MILLS RIVER...HENDERSONVILLE... ETOWAH...EAST FLAT ROCK AND DANA. SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH...AND HEAVY RAIN ARE EXPECTED WITH THIS STORM. BSH
Special weather statement, Jul 1, 2:33 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 233 PM EDT SUN JUL 1 2007 SCZ010-011900- ANDERSON- 233 PM EDT SUN JUL 1 2007 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN ANDERSON COUNTY THROUGH 300 PM EDT... AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES EAST OF PENDLETON...OR 6 MILES EAST OF CLEMSON...MOVING EAST AT 5 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO SANDY SPRINGS AND PENDLETON. SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. BSH
Special weather statement, Jul 1, 2:37 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 237 PM EDT SUN JUL 1 2007 SCZ001-004-011900- GREATER OCONEE-OCONEE MOUNTAINS- 237 PM EDT SUN JUL 1 2007 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN OCONEE COUNTY THROUGH 300 PM EDT... AT 237 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES SOUTHWEST OF WESTMINSTER...OR 11 MILES SOUTH OF WALHALLA...MOVING SOUTHEAST AT 10 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO WESTMINSTER...WALHALLA...TOWNVILLE...SENECA...OAKWAY AND FAIR PLAY. SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. BSH
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:56 PM EDT | Severe Thunderstorm Warning | GSP | Union | 64 min |
| Jul 1, 2:51 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 69 min |
| Jul 1, 3:44 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville | 61 min |
| Jul 1, 1:49 PM EDT | Severe Thunderstorm Warning | GSP | Rabun | 56 min |
| Jul 1, 2:05 PM EDT | Severe Thunderstorm Warning | GSP | Habersham | 55 min |
| Jul 1, 2:14 PM EDT | Severe Thunderstorm Warning | GSP | Stephens | 61 min |
| Jul 1, 2:44 PM EDT | Severe Thunderstorm Warning | GSP | Elbert | 31 min |
| Jul 1, 3:09 PM EDT | Severe Thunderstorm Warning | GSP | Franklin | 66 min |
| Jul 1, 3:15 PM EDT | Severe Thunderstorm Warning | GSP | Stephens | 30 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | GSP | Elbert | 63 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2007Every severe thunderstorm warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.