Alert archive / North Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Jun 11, 2021, 6:53 AM EDT for Madison County, North Carolina. It was in force for 52 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 11, 2021, 6:53 AM EDT (10:53 UTC)
- Expired
- Jun 11, 2021, 7:45 AM EDT
- In force
- 52 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Madison County, NC
The radar
The Knoxville radar (KMRX), 59 km from the middle of the area, began a volume at 10:54 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, 10.9 hours before the alert went out and 280 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
- 392 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1272 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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 11, 6:40 AM EDT, 13 minutes earlier.
Area forecast discussion, Jun 11, 6:40 AM EDT, 13 minutes before
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</html>Hazardous weather outlook, Jun 11, 3:31 AM EDT, 3 hours 22 minutes before
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 331 AM EDT Fri Jun 11 2021 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-120745- 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- 331 AM EDT Fri Jun 11 2021 This Hazardous Weather Outlook is for northeast Georgia, piedmont North Carolina, western North Carolina and upstate South Carolina. .DAY ONE...Today and tonight. Numerous to widespread showers and thunderstorms will develop across the western Carolinas and northeast Georgia today, with the greatest coverage during the afternoon and early evening hours. The thunderstorms will have the potential to produce torrential downpours in affected areas and localized flooding may develop in any locations that see repeated thunderstorms in a short period of time. The thunderstorms will also produce dangerous cloud-to-ground lightning and gusty winds. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... None. MPR
In the hours before
Special weather statement, Jun 11, 5:48 AM EDT, 1 hour 5 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
548 AM EDT Fri Jun 11 2021
NCZ051-111045-
Swain NC-
548 AM EDT Fri Jun 11 2021
...A SERIES OF HEAVY RAIN SHOWERS WILL IMPACT SWAIN COUNTY
THROUGH DAYBREAK...
A series of heavy rain showers crossing the Great Smoky mountains
from the west has been producing one inch per hour rainfall rates in
a few locations across Swain County. Additional rainfall of one-half
to one inch will be possible in and around the Smokies through 7 am
EDT.
Locations to be impacted include...Bryson City, the Great Smoky
Mountains National Park, Newfound Gap, Fontana Lake, Luada, and
Alarka.
Deep standing and running water will develop in low-lying areas.
Rises to near bankfull will be possible along Hazel Creek, Roaring
Creek, and Bone Valley Creek in northwest Swain County.
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 3556 8377 3557 8363 3558 8360 3556 8358
3556 8350 3560 8345 3561 8335 3535 8341
3539 8359 3543 8359 3543 8361 3544 8364
3543 8365 3545 8373 3544 8376 3545 8380
3545 8383
TIME...MOT...LOC 0943Z 279DEG 5KT 3551 8355
HGSpecial weather statement, Jun 11, 6:53 AM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:26 PM EDT | Special Weather Statement | GSP | Rowan | 34 min |
| Jun 11, 5:48 AM EDT | Special Weather Statement | GSP | Swain | 57 min |
| Jun 11, 4:25 PM EDT | Areal Flood Advisory | GSP | Buncombe, Haywood, Madison | 3 hr |
| Jun 11, 4:58 PM EDT | Special Weather Statement | GSP | Henderson, Polk | 32 min |
| Jun 11, 5:22 PM EDT | Areal Flood Advisory | GSP | Henderson | 113 min |
| Jun 11, 5:28 PM EDT | Special Weather Statement | GSP | Rutherford | 32 min |
| Jun 11, 5:37 PM EDT | Special Weather Statement | GSP | Burke | 23 min |
| Jun 11, 5:59 PM EDT | Special Weather Statement | GSP | Polk, Rutherford | 31 min |
| Jun 11, 6:15 PM EDT | Special Weather Statement | GSP | Transylvania | 30 min |
| Jun 11, 6:29 PM EDT | Special Weather Statement | GSP | Catawba, Cleveland, Lincoln, Rutherford | 31 min |
| Jun 11, 6:47 PM EDT | Special Weather Statement | GSP | Iredell | 28 min |
| Jun 11, 7:13 PM EDT | Special Weather Statement | GSP | Davie, Iredell, Rowan | 32 min |
| Jun 11, 7:44 PM EDT | Special Weather Statement | GSP | Davie, Rowan | 31 min |
| Jun 11, 6:43 PM EDT | Special Weather Statement | GSP | Greenville, Pickens, Spartanburg | 32 min |
| Jun 11, 6:50 PM EDT | Special Weather Statement | GSP | Greenwood | 25 min |
| Jun 11, 6:59 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Cherokee, Greenville, Laurens, Pickens, Spartanburg and 1 more | 46 min |
| Jun 11, 7:46 PM EDT | Special Weather Statement | GSP | Cherokee, Spartanburg, York | 29 min |
| Jun 11, 6:35 PM EDT | Special Weather Statement | GSP | Elbert | 25 min |
Nearby
Special Weather Statements in North 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.