Alert archive / North Carolina / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 324, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 1, 2018, 5:17 PM EDT for Gaston County, Mecklenburg County, North Carolina. It was in force for 20 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
- Sep 1, 2018, 5:17 PM EDT (21:17 UTC)
- Expired
- Sep 1, 2018, 5:37 PM EDT
- In force
- 20 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Gaston County, NC, Mecklenburg County, NC
The radar
The Greer radar (KGSP), 119 km from the middle of the area, began a volume at 21:18 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.3 hours before the alert went out and 135 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
- 1079 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 977 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 54 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 Sep 1, 2:59 PM EDT, 2 hours 18 minutes earlier.
Area forecast discussion, Sep 1, 2:59 PM EDT, 2 hours 18 minutes before
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</html>Hazardous weather outlook, Sep 1, 3:30 PM EDT, 1 hour 47 minutes before
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 330 PM EDT Sat Sep 1 2018 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-021930- 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- 330 PM EDT Sat Sep 1 2018 This Hazardous Weather Outlook is for northeast Georgia, piedmont North Carolina, western North Carolina and upstate South Carolina. .DAY ONE...This afternoon and tonight. Isolated to scattered thunderstorms are expected through this evening. Cloud-to-ground lightning, torrential rainfall, and strong wind gusts are possible with any of these thunderstorms. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... None. JMP
In the hours before
Special weather statement, Sep 1, 4:32 PM EDT, 45 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
432 PM EDT SAT SEP 1 2018
NCZ072-012100-
Cabarrus NC-
432 PM EDT SAT SEP 1 2018
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN CABARRUS COUNTY
UNTIL 500 PM EDT...
At 431 PM EDT, Doppler radar was tracking a strong thunderstorm 4
miles northeast of Downtown Concord. This storm was nearly
stationary.
Locations to be impacted include...
Downtown Concord, Kannapolis, Mt Pleasant, Harrisburg and West
Concord.
Wind gusts up to 40 mph, pea size hail and very heavy rainfall rates
up to 2 inches per hour will be possible in these areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3534 8040 3528 8063 3550 8061 3550 8047
3543 8034
TIME...MOT...LOC 2031Z 342DEG 4KT 3545 8053
MOORESpecial weather statement, Sep 1, 5:00 PM EDT, 17 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
500 PM EDT SAT SEP 1 2018
NCZ056-012130-
Catawba NC-
500 PM EDT SAT SEP 1 2018
...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL CATAWBA COUNTY
UNTIL 530 PM EDT...
At 459 PM EDT, Doppler radar was tracking a strong thunderstorm 4
miles southeast of Newton, or near Maiden, moving north at 5 mph.
Locations to be impacted include...
Newton, Conover, Maiden, Claremont and Bandys.
Wind gusts up to 45 mph, pea size hail and very heavy rainfall rates
up to 2 inches per hour will be possible in these areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3557 8110 3556 8122 3571 8126 3573 8119
3572 8110
TIME...MOT...LOC 2059Z 175DEG 6KT 3562 8117
MOORESpecial weather statement, Sep 1, 5:05 PM EDT, 12 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
505 PM EDT SAT SEP 1 2018
NCZ504-012130-
Greater Burke NC-
505 PM EDT SAT SEP 1 2018
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN BURKE COUNTY UNTIL
530 PM EDT...
At 504 PM EDT, Doppler radar was tracking a strong thunderstorm 6
miles southeast of Morganton, or 5 miles north of South Mountains
State Park, moving north at 5 mph.
Locations to be impacted include...
Morganton, Valdese, Rutherford College, South Mountains State Park,
Drexel and Pleasant Grove.
Wind gusts up to 40 mph, pea size hail and very heavy rainfall rates
up to 2 inches per hour will be possible in these areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3559 8152 3561 8167 3575 8171 3575 8154
3571 8148
TIME...MOT...LOC 2104Z 175DEG 6KT 3568 8162
MOORESpecial weather statement, Sep 1, 5:12 PM EDT, 5 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
512 PM EDT SAT SEP 1 2018
NCZ070-071-012145-
Gaston NC-Mecklenburg NC-
512 PM EDT SAT SEP 1 2018
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN MECKLENBURG AND
NORTHEASTERN GASTON COUNTIES UNTIL 545 PM EDT...
At 512 PM EDT, Doppler radar was tracking a strong thunderstorm 6
miles northwest of Uptown Charlotte, or near Northwest Charlotte,
moving north at 5 mph.
Locations to be impacted include...
Huntersville, Northwest Charlotte, Paw Creek, Mt Holly, Northeast
Charlotte, Central Charlotte, Lucia and Croft.
Wind gusts up to 45 mph, pea size hail and very heavy rainfall rates
up to 2 inches per hour will be possible in these areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Mountain Island Lake is in the path of this storm. Cloud to ground
lightning and gusty winds will create dangerous boating conditions.
Move to shore immediately.
&&
LAT...LON 3524 8091 3526 8099 3538 8109 3541 8100
3540 8100 3540 8096 3542 8096 3545 8084
3528 8080
TIME...MOT...LOC 2112Z 163DEG 6KT 3530 8091
MOOREThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 11:17 PM EDT | Special Weather Statement | GSP | Mecklenburg | 28 min |
| Sep 1, 4:32 PM EDT | Special Weather Statement | GSP | Cabarrus | 28 min |
| Sep 1, 5:00 PM EDT | Special Weather Statement | GSP | Catawba | 30 min |
| Sep 1, 5:05 PM EDT | Special Weather Statement | GSP | Burke | 25 min |
| Sep 1, 5:12 PM EDT | Special Weather Statement | GSP | Mecklenburg | 33 min |
| Sep 1, 5:31 PM EDT | Special Weather Statement | GSP | Madison | 29 min |
| Sep 1, 6:50 PM EDT | Special Weather Statement | GSP | Iredell | 25 min |
| Sep 1, 7:02 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 43 min |
| Sep 1, 7:11 PM EDT | Special Weather Statement | GSP | Davie | 34 min |
| Sep 1, 7:13 PM EDT | Special Weather Statement | GSP | Catawba | 32 min |
| Sep 1, 7:46 PM EDT | Special Weather Statement | GSP | Iredell | 44 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2018Every severe thunderstorm warning in 2018
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.