Alert archive / South Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Jun 21, 2021, 6:04 PM EDT for Spartanburg County, South Carolina. It was in force for 41 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
- Jun 21, 2021, 6:04 PM EDT (22:04 UTC)
- Expired
- Jun 21, 2021, 6:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Spartanburg County, SC
The radar
The Greer radar (KGSP), 28 km from the middle of the area, began a volume at 22:07 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
Charleston AFB, SC (KCHS), launched 12:00Z, 10.1 hours before the alert went out and 278 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
- 632 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 922 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
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</html>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 Jun 21, 6:04 PM EDT, 0 minutes earlier.
Area forecast discussion, Jun 21, 6:04 PM EDT, 0 minutes before
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<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jun 21, 5:14 AM EDT, 12 hours 50 minutes before
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 514 AM EDT Mon Jun 21 2021 GAZ010-017-NCZ033-048>053-058-059-062>065-501-503-505-507-509- SCZ001>003-220915- Rabun-Habersham-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-Oconee Mountains- Pickens Mountains-Greenville Mountains- 514 AM EDT Mon Jun 21 2021 This Hazardous Weather Outlook is for northeast Georgia, western North Carolina and upstate South Carolina. .DAY ONE...Today and tonight. Scattered showers and thunderstorms are expected to develop across the mountains of the Carolinas and northeast Georgia this afternoon. Storms will become more numerous tonight, as a cold front pushes in from the west. A few storms may become severe, with damaging wind gusts the main threat. Also, isolated flash flooding cannot be ruled out. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508- 510-SCZ004>014-019-220915- Stephens-Franklin-Hart-Elbert-Alexander-Iredell-Davie-Catawba-Rowan- Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC- Greater Caldwell-Greater Burke-Eastern McDowell-Greater Rutherford- Eastern Polk-Greater Oconee-Greater Pickens-Greater Greenville- Spartanburg-Cherokee-York-Anderson-Abbeville-Laurens-Union SC- Chester-Greenwood- 514 AM EDT Mon Jun 21 2021 This Hazardous Weather Outlook is for northeast Georgia, piedmont North Carolina, western North Carolina and upstate South Carolina. .DAY ONE...Today and tonight. Scattered showers and thunderstorms may push east from the mountains into the Piedmont this evening through the overnight tonight. The main threat will be cloud-to-ground lightning, gusty winds, and locally heavy rainfall. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... None. ARK
In the hours before
Special weather statement, Jun 21, 5:12 PM EDT, 52 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
512 PM EDT Mon Jun 21 2021
SCZ004>008-010-212215-
Greater Pickens SC-Cherokee SC-Greater Oconee SC-Anderson SC-
Spartanburg SC-Greater Greenville SC-
512 PM EDT Mon Jun 21 2021
...THUNDERSTORMS WITH TORRENTIAL RAINFALL WILL IMPACT
GREENVILLE...SPARTANBURG...NORTHERN ANDERSON...WEST CENTRAL
CHEROKEE...PICKENS AND OCONEE COUNTIES UNTIL 615 PM EDT...
At 511 PM EDT, Doppler radar indicated thunderstorms with torrential
rainfall along a line extending from 5 miles south of Seneca to 11
miles southeast of Downtown Greenville, and moving northeast at 30
mph.
Locations to be impacted include... Greenville, Spartanburg, Easley,
Clemson, Pickens, Seneca, Greer and Mauldin.
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...
The combination of gusty winds and saturated soil conditions will
cause scattered trees and power lines to fall. Seek shelter inside an
interior room.
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 3454 8308 3487 8276 3504 8161 3475 8212
3478 8215 3472 8218 3467 8226
TIME...MOT...LOC 2111Z 237DEG 25KT 3461 8294 3471 8230
8Special weather statement, Jun 21, 6:04 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
604 PM EDT Mon Jun 21 2021
SCZ006>009-013-212245-
York SC-Cherokee SC-Union SC-Spartanburg SC-Greater Greenville SC-
604 PM EDT Mon Jun 21 2021
...THUNDERSTORMS WITH TORRENTIAL RAINFALL WILL IMPACT EAST CENTRAL
GREENVILLE...SOUTHWESTERN YORK...CENTRAL SPARTANBURG...SOUTHERN
CHEROKEE AND NORTHERN UNION COUNTIES UNTIL 645 PM EDT...
At 604 PM EDT, Doppler radar indicated thunderstorms with torrential
rainfall along a line extending from 11 miles east of Downtown
Greenville to 9 miles south of Spartanburg to near Union, and moving
northeast at 25 mph.
Locations to be impacted include...
Spartanburg, Five Forks, Pacolet, Roebuck, Jonesville, Pacolet Mills,
Reidville, Croft State Park, Moore and Cedar Springs.
Wind gusts up to 45 mph, dime size hail and very heavy rainfall rates
up to 2 inches per hour will be possible in these areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
The combination of gusty winds and saturated soil conditions will
cause scattered trees and power lines to fall. Seek shelter inside an
interior room.
Dime to nickel size hail can cause considerable damage to vehicles.
Consider moving vehicles to a covered storage area before the storm
arrives.
These storms 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 3478 8200 3477 8213 3478 8215 3477 8215
3476 8234 3496 8192 3497 8158 3489 8129
3472 8170
TIME...MOT...LOC 2204Z 244DEG 21KT 3480 8220 3481 8193 3477 8172
8The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:00 PM EDT | Special Weather Statement | GSP | Caldwell | 45 min |
| Jun 21, 7:31 PM EDT | Severe Thunderstorm Warning | GSP | Graham, Swain | 44 min |
| Jun 21, 5:12 PM EDT | Special Weather Statement | GSP | Greenville, Spartanburg | 63 min |
| Jun 21, 5:29 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Laurens, Spartanburg | 32 min |
| Jun 21, 6:08 PM EDT | Special Weather Statement | GSP | Greenville | 37 min |
Nearby
Special Weather Statements in South Carolina, 2021Every special weather statement in 2021
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.