Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 237, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 28, 2007, 12:58 PM EDT for Caldwell County, North Carolina. It was in force for 62 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
- Jun 28, 2007, 12:58 PM EDT (16:58 UTC)
- Expired
- Jun 28, 2007, 2:00 PM EDT
- In force
- 62 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Caldwell County, NC
The radar
The Greer radar (KGSP), 136 km from the middle of the area, began a volume at 17:01 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 |
|---|---|---|---|
| Jun 28, 1:35 PM EDT | HAIL 0.75 | 6 W Patterson, NC |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
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, 5.0 hours before the alert went out and 157 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
- 1013 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 281658 SVRGSP NCC027-281800- /O.NEW.KGSP.SV.W.0237.070628T1658Z-070628T1800Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1258 PM EDT THU JUN 28 2007 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN CALDWELL COUNTY IN WESTERN NORTH CAROLINA * UNTIL 200 PM EDT * AT 1258 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES SOUTH OF BLOWING ROCK...OR ABOUT NEAR GLOBE...AND WAS MOVING SOUTHEAST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... COLLETTSVILLE BY 135 PM EDT... PATTERSON AND 6 MILES NORTHWEST OF LENOIR BY 200 PM EDT... PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM WINDOWS AND DOORS UNTIL THE STORM PASSES. LAT...LON 3611 8171 3596 8181 3582 8160 3605 8140 $$ BSH
2 follow-up statements
000 WWUS52 KGSP 281725 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 125 PM EDT THU JUN 28 2007 NCC027-281800- /O.CON.KGSP.SV.W.0237.000000T0000Z-070628T1800Z/ CALDWELL NC- 125 PM EDT THU JUN 28 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT FOR NORTHWESTERN CALDWELL COUNTY... AT 125 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 4 MILES SOUTHEAST OF GLOBE...OR ABOUT 9 MILES NORTHWEST OF LENOIR...MOVING SOUTHEAST AT 5 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... COLLETTSVILLE BY 145 PM EDT... PATTERSON BY 200 PM EDT... LAT...LON 3611 8171 3596 8181 3582 8160 3605 8140 $$ BSH
000 WWUS52 KGSP 281757 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 157 PM EDT THU JUN 28 2007 NCC027-281807- /O.EXP.KGSP.SV.W.0237.000000T0000Z-070628T1800Z/ CALDWELL NC- 157 PM EDT THU JUN 28 2007 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CALDWELL COUNTY EXPIRES AT 200 PM EDT... LAT...LON 3611 8171 3596 8181 3582 8160 3605 8140 $$ BSH
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 Jun 28, 11:45 AM EDT, 1 hour 13 minutes earlier.
Area forecast discussion, Jun 28, 11:45 AM EDT, 1 hour 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1145 AM EDT THU JUN 28 2007 .SYNOPSIS... WEAK HIGH PRESSURE OVER THE SOUTHEAST WILL DIMINISH AS A COLD FRONT MOVES SOUTHEAST THROUGH THE OHIO VALLEY LATE TODAY. THE COLD FRONT WILL MOVE SLOWLY SOUTHWARD ACROSS THE REGION FRIDAY NIGHT THROUGH SATURDAY NIGHT. HIGH PRESSURE WILL BUILD DOWN FROM THE NORTHEAST LATE THIS WEEKEND INTO THE EARLY PART OF NEXT WEEK WITH HOT SUMMERTIME CONDITIONS RETURNING BY THE MIDDLE OF NEXT WEEK. && .NEAR TERM /THROUGH TONIGHT/... MOUNTAIN TOP CU INITIATION HAS OCCURRED A LITTLE SLOWER THAN OBSERVED YESTERDAY. AFTERNOON INSTABILITY SHOULD POOL TO 2000-2500 J/KG...SIMILAR TO YESTERDAY. HOWEVER...FRZ LEVELS HAVE WARMED TO OVER 14 KFT WITH THE WBZ NEAR 12 KFT. A FEW SVR EVENTS ARE POSSIBLE IN THE NC MTNS TO THE I-77 CORRIDOR. I EXPECT SHRA AND TSRA TO BEGIN OVER THE MTNS BY 17Z..ISO TO SCT CONVECTION SHOULD BEGIN TO DEVELOP EAST OF THE MTNS A LITTLE LATER. BY 18-20Z...SHRA/TSRA COVERAGE SHOULD INCREASE TO SOLID CHC POPS ACROSS THE MTNS AND NC FOOTHILLS...REMAINING INTO THE EVENING. LITTLE CHANGE HAS BEEN MADE TO THE CURRENT FORECAST. && .SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/... SHORTWAVE ENERGY WILL CROSS THE NORTHERN TIER OF THE FORECAST AREA LATE FRIDAY AS THE SUBTROPICAL RIDGE OVER THE SOUTHEAST BREAKS DOWN. THIS WILL ALLOW A SURFACE COLD FRONT TO MOVE SOUTH INTO THE WESTERN CAROLINAS FRIDAY NIGHT. THE FRONTAL PROGRESS ACROSS THE CWFA APPEARS SOMEWHAT SLOWER THAN IN PREVIOUS RUNS AS THE UPPER HEIGHT FALLS ACROSS THE NORTHEAST ARE LESS THAN PREVIOUSLY INDICATED. FORCING AHEAD OF THE FRONTAL ZONE SHOULD YIELD HEALTHY COVERAGE FRIDAY AFTERNOON TO SATURDAY AFTERNOON...BUT WEAK MID LEVEL LAPSE RATES AND LIMITED SHEAR IN THE WESTERLY FLOW SHOULD INHIBIT WIDESPREAD SEVERE WEATHER. NEVERTHELESS...SURFACED BASED INSTABILITY SHOULD BE HIGH ENOUGH FOR A FEW STRONG THUNDERSTORMS AS DEWPOINTS WILL BE SOLIDLY IN THE UPPER 60S OR BETTER. && .LONG TERM /SUNDAY THROUGH WEDNESDAY/... THE COLD FRONT SHOULD BE JUST SOUTHEAST OF THE FORECAST AREA BY SUNDAY...WITH PROFILES DRYING OUT FROM THE NORTH DURING THE DAY. HIGH PRESSURE WILL REMAIN STRETCHED DOWN THE EASTERN SEABOARD THROUGH MONDAY...WITH LIGHT RETURN FLOW BEGINNING INTO THE SOUTHERN APPALACHIANS AS THE RIDGE MIGRATES OFFSHORE TUESDAY. TEMPERATURES WILL STEADILY CLIMB BACK TO ABOVE NORMAL THROUGH THE MEDIUM RANGE AS SUBTROPICAL HIGH PRESSURE REASSERTS ITSELF ACROSS THE SOUTHEAST. && .AVIATION /16Z THURSDAY THROUGH MONDAY/... DENSE FOG HAS DEVELOPED AT KAVL THIS MORNING...WITH VLIFR CONDITIONS BEING REPORTED AT 1130Z. THIS SHOULD BURN OFF RATHER QUICKLY...AND VFR CONDITIONS ARE EXPECTED BY 15Z. OTHER THAN SOME MVFR VISBY RESTRICTIONS AT KHKY...THE PIEDMONT TERMINALS SHOULD EXPERIENCE VFR CONDITIONS THROUGH EARLY AFTERNOON. CONVECTION WILL DEVELOP ONCE AGAIN BY MID-AFTERNOON...WITH KAVL AND KHKY STANDING THE BEST CHANCE OF BEING AFFECTED. VCTS WILL BE CARRIED AT THOSE LOCATIONS...WHILE A CB CLOUD GROUP SHOULD SUFFICE ELSEWHERE. CONVECTION IS EXPECTED TO DISSIPATE BY LATE EVENING...WITH ANOTHER ROUND OF FOG LIKELY AT KAVL TOMORROW MORNING. AVIATION OUTLOOK...A COLD FRONT WILL PUSH INTO THE REGION BY LATE FRIDAY AND MOVE SLOWLY THROUGH THE REGION OVER THE WEEKEND. NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED BY LATE FRIDAY AFTERNOON/ EVENING AND AGAIN ON SATURDAY. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...HG NEAR TERM...NED SHORT TERM...HG LONG TERM...HG AVIATION...JDL
Hazardous weather outlook, Jun 28, 5:49 AM EDT, 7 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 549 AM EDT THU JUN 28 2007 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-291000- 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- 549 AM EDT THU JUN 28 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE REGION AGAIN TODAY...WITH THE GREATEST COVERAGE EXPECTED THIS AFTERNOON THROUGH THIS EVENING NEAR THE BLUE RIDGE IN NORTH CAROLINA. STORMS COULD BECOME STRONG ANYWHERE ACROSS THE AREA...HOWEVER...WITH GUSTY WINDS IN EXCESS OF 35 MPH...SMALL HAIL...AND FREQUENT LIGHTNING POSSIBLE WITH ANY THUNDERSTORM. A FEW THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE...PRODUCING WIND GUSTS TO 60 MPH AND HAIL AS LARGE AS PENNIES. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A COLD FRONT APPROACHING FROM THE NORTH ON FRIDAY WILL ALLOW THE THUNDERSTORMS TO BECOME MORE WIDESPREAD DURING THE AFTERNOON AND EVENING HOURS...ESPECIALLY ACROSS WESTERN NORTH CAROLINA. AS THE COLD FRONT SAGS SLOWLY SOUTH THROUGH THE REGION ON SATURDAY...SCATTERED STRONG THUNDERSTORMS WILL CONTINUE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. HG
In the hours before
Local storm report, Jun 28, 9:15 AM EDT, 3 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
915 AM EDT THU JUN 28 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 PM HAIL 6 E MARS HILL 35.83N 82.44W
06/27/2007 E0.75 INCH MADISON NC PUBLIC
PUBLIC REPORTS 3/4 INCH HAIL JUST TO THE EAST OF MARS
HILL.
&&
BSHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 2:17 PM EDT | Severe Thunderstorm Warning | GSP | Burke | 58 min |
| Jun 28, 3:00 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Haywood | 46 min |
| Jun 28, 3:13 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 62 min |
| Jun 28, 3:37 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 68 min |
| Jun 28, 4:11 PM EDT | Severe Thunderstorm Warning | GSP | Macon | 42 min |
| Jun 28, 4:37 PM EDT | Severe Thunderstorm Warning | GSP | Yancey | 53 min |
| Jun 28, 4:57 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 78 min |
| Jun 28, 5:39 PM EDT | Severe Thunderstorm Warning | GSP | Mitchell | 42 min |
| Jun 28, 5:51 PM EDT | Severe Thunderstorm Warning | GSP | Catawba | 54 min |
| Jun 28, 6:07 PM EDT | Severe Thunderstorm Warning | GSP | Haywood | 35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.