Alert archive / North Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 30, 2018Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 30, 2018, 11:12 PM EDT for Mecklenburg County, North Carolina. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 30, 2018, 11:12 PM EDT (03:12 UTC)
Expired: Aug 30, 2018, 11:45 PM EDT
In force: 33 min
Issued by: NWS Greenville-Spartanburg, SC

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 132 km from the middle of the area, began a volume at 03:13 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 00:00Z, 3.2 hours before the alert went out and 119 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2630 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 1396 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: -16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 30, 10:46 PM EDT, 26 minutes earlier.

Area forecast discussion, Aug 30, 10:46 PM EDT, 26 minutes before

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Hazardous weather outlook, Aug 30, 7:39 PM EDT, 3 hours 33 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
739 PM EDT Thu Aug 30 2018

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-312345-
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-
739 PM EDT Thu Aug 30 2018

This Hazardous Weather Outlook is for northeast Georgia, piedmont
North Carolina, western North Carolina and Upstate South Carolina.

.DAY ONE...Tonight.

Isolated to scattered showers and thunderstorms will slowly dissipate
through the late evening hours. Coverage will be highest across the
southwest mountains of western North Carolina, where locally very
heavy rainfall could produce some isolated flooding of low-lying
areas. Elsewhere, the main threats for any thunderstorms will be
cloud-to-ground lighting strikes, briefly gusty winds, and locally
heavy rainfall.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

HG

In the hours before

Special weather statement, Aug 30, 7:08 PM EDT, 4 hours 4 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
708 PM EDT THU AUG 30 2018

SCZ014-302345-
Chester SC-
708 PM EDT THU AUG 30 2018

...A STRONG THUNDERSTORM WILL IMPACT WESTERN CHESTER COUNTY UNTIL 745
PM EDT...

At 708 PM EDT, Doppler radar was tracking a strong thunderstorm 9
miles west of Chester, or 6 miles northeast of Carlisle, moving north
at 10 mph.

Locations to be impacted include...
Leeds.

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...

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3457 8142 3464 8142 3466 8144 3476 8147
      3476 8145 3477 8145 3478 8125 3457 8133
TIME...MOT...LOC 2308Z 178DEG 8KT 3465 8137

MOORE

Special weather statement, Aug 30, 9:46 PM EDT, 1 hour 26 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
946 PM EDT THU AUG 30 2018

NCZ057-072-310215-
Rowan NC-Cabarrus NC-
946 PM EDT THU AUG 30 2018

...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL CABARRUS AND
WESTERN ROWAN COUNTIES UNTIL 1015 PM EDT...

At 945 PM EDT, Doppler radar was tracking a strong thunderstorm 4
miles northeast of Kannapolis, or near Landis, moving north at 15
mph.

Locations to be impacted include...
Kannapolis, Salisbury, Downtown Concord, China Grove, Spencer,
Landis, Enochville, Granite Quarry, Faith and High Rock Lake.

Wind gusts up to 45 mph, half inch 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 3544 8051 3546 8066 3550 8072 3570 8070
      3580 8055 3578 8051 3578 8050 3577 8049
      3578 8048 3577 8048 3573 8045 3572 8038
      3572 8034 3571 8033
TIME...MOT...LOC 0145Z 198DEG 15KT 3555 8059

MOORE

Special weather statement, Aug 30, 9:54 PM EDT, 1 hour 18 minutes before

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Special weather statement, Aug 30, 10:21 PM EDT, 51 minutes before

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Local storm report, Aug 30, 10:34 PM EDT, 38 minutes before

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Special weather statement, Aug 30, 11:12 PM EDT, 0 minutes before

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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 30, 9:46 PM EDT	Special Weather Statement	GSP	Rowan	29 min
Aug 30, 9:48 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	42 min
Aug 30, 9:54 PM EDT	Special Weather Statement	GSP	Alexander	36 min
Aug 30, 10:30 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	45 min
Aug 30, 11:41 PM EDT	Special Weather Statement	GSP	Catawba	34 min
Aug 30, 11:57 PM EDT	Special Weather Statement	GSP	Mecklenburg	33 min
Aug 31, 12:15 AM EDT	Special Weather Statement	GSP	Catawba	30 min
Aug 31, 12:58 AM EDT	Special Weather Statement	GSP	Iredell	32 min
Aug 31, 1:28 AM EDT	Special Weather Statement	GSP	Davie	32 min
Aug 31, 3:21 PM EDT	Special Weather Statement	GSP	Union	24 min
Aug 31, 3:47 PM EDT	Special Weather Statement	GSP	Avery	28 min
Aug 31, 4:44 PM EDT	Special Weather Statement	GSP	Mecklenburg	31 min
Aug 31, 5:02 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	28 min
Aug 31, 5:06 PM EDT	Special Weather Statement	GSP	Burke	24 min
Aug 31, 5:11 PM EDT	Special Weather Statement	GSP	Rowan	34 min
Aug 31, 5:18 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	27 min
Aug 31, 5:46 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	44 min
Aug 31, 5:49 PM EDT	Special Weather Statement	GSP	Rowan	26 min
Aug 31, 5:56 PM EDT	Special Weather Statement	GSP	Lincoln	34 min
Aug 31, 6:10 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	35 min
Aug 31, 6:20 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	21 min
Aug 31, 6:25 PM EDT	Special Weather Statement	GSP	Catawba	35 min
Aug 31, 6:30 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	20 min
Aug 31, 6:35 PM EDT	Special Weather Statement	GSP	Burke	25 min
Aug 31, 6:43 PM EDT	Special Weather Statement	GSP	Cleveland	32 min
Aug 31, 6:46 PM EDT	Severe Thunderstorm Warning	GSP	Catawba	44 min
Aug 31, 7:22 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Lincoln	23 min
Aug 31, 7:29 PM EDT	Special Weather Statement	GSP	Alexander	31 min
Aug 31, 7:49 PM EDT	Special Weather Statement	GSP	Alexander	26 min
Aug 30, 10:21 PM EDT	Special Weather Statement	GSP	York	24 min
Aug 31, 4:39 PM EDT	Special Weather Statement	GSP	York	36 min
Aug 31, 6:04 PM EDT	Special Weather Statement	GSP	York	26 min
Aug 31, 7:07 PM EDT	Special Weather Statement	GSP	Cherokee	23 min
Aug 31, 7:11 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Chester, York	22 min

Nearby

Special Weather Statements in North Carolina, 2018 Every special weather statement 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.