Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 31, 20214 counties in Georgia

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 31, 2021, 1:24 PM EDT for 4 counties in Georgia. It was in force for 36 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 31, 2021, 1:24 PM EDT (17:24 UTC)
Expired: Aug 31, 2021, 2:00 PM EDT
In force: 36 min
Issued by: NWS Greenville-Spartanburg, SC
Hail: 0.00 in
Wind: 40

Counties Franklin County, GA, Habersham County, GA, Hart County, GA, Stephens County, GA

The radar

The Greer radar (KGSP), 113 km from the middle of the area, began a volume at 17:26 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.4 hours before the alert went out and 160 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: 209 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 283 m²/s²
0-3 km storm-relative helicity: 351 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.5

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 31, 10:33 AM EDT, 2 hours 51 minutes earlier.

Area forecast discussion, Aug 31, 10:33 AM EDT, 2 hours 51 minutes before

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Hazardous weather outlook, Aug 31, 11:58 AM EDT, 1 hour 26 minutes before

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In the hours before

Special weather statement, Aug 31, 1:24 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
124 PM EDT Tue Aug 31 2021

GAZ010-017-018-026-028-029-311800-
Elbert GA-Hart GA-Franklin GA-Rabun GA-Stephens GA-Habersham GA-
124 PM EDT Tue Aug 31 2021

...Strong thunderstorms will impact portions of Franklin, Stephens,
western Elbert, Habersham, southwestern Rabun and Hart Counties
through 200 PM EDT...

At 124 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 5 miles east of Cleveland to 7 miles east of
Homer to 7 miles west of Elberton. Movement was north at 20 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Toccoa, Hartwell, Clarkesville, Carnesville, Elberton, Cornelia,
Baldwin, Royston, Lavonia and Gumlog.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3417 8310 3423 8308 3427 8312 3424 8317
      3425 8332 3433 8339 3443 8338 3446 8340
      3449 8354 3445 8359 3451 8366 3454 8362
      3465 8366 3476 8363 3480 8368 3491 8363
      3468 8334 3434 8279 3427 8275 3401 8294
TIME...MOT...LOC 1724Z 199DEG 18KT 3461 8367 3437 8338 3413 8299

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

RWH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 11:15 PM EDT	Special Weather Statement	GSP	Jackson	30 min
Aug 31, 10:16 AM EDT	Wind Advisory	GSP	Avery, Graham, Haywood, Jackson, Madison, Mitchell and 2 more	18 hr
Aug 31, 2:01 PM EDT	Special Weather Statement	GSP	Graham, Macon	29 min
Aug 31, 2:27 PM EDT	Special Weather Statement	GSP	Jackson, Macon	33 min
Aug 31, 4:30 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk, Rutherford	45 min
Aug 31, 4:53 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln, Rutherford	37 min
Aug 31, 5:06 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell, Rutherford	39 min
Aug 31, 5:16 PM EDT	Special Weather Statement	GSP	Gaston	29 min
Aug 31, 5:28 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba, Cleveland, Lincoln	17 min
Aug 31, 5:33 PM EDT	Special Weather Statement	GSP	Catawba, Gaston, Lincoln	27 min
Aug 31, 5:41 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Avery, Burke, Caldwell, Catawba, McDowell and 2 more	49 min
Aug 31, 5:51 PM EDT	Special Weather Statement	GSP	Union	39 min
Aug 31, 6:05 PM EDT	Special Weather Statement	GSP	Alexander, Catawba	25 min
Aug 31, 6:28 PM EDT	Special Weather Statement	GSP	Mecklenburg	32 min
Aug 31, 6:30 PM EDT	Special Weather Statement	GSP	Alexander	30 min
Aug 31, 6:58 PM EDT	Special Weather Statement	GSP	Rowan	32 min
Aug 31, 7:41 PM EDT	Special Weather Statement	GSP	Iredell	34 min
Aug 31, 2:49 PM EDT	Special Weather Statement	GSP	Abbeville, Greenwood	41 min
Aug 31, 3:01 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood, Laurens	44 min
Aug 31, 3:27 PM EDT	Special Weather Statement	GSP	Laurens	48 min
Aug 31, 3:36 PM EDT	Special Weather Statement	GSP	Pickens	24 min
Aug 31, 3:39 PM EDT	Severe Thunderstorm Warning	GSP	Laurens, Spartanburg, Union	51 min
Aug 31, 3:45 PM EDT	Special Weather Statement	GSP	Chester	30 min
Aug 31, 4:11 PM EDT	Special Weather Statement	GSP	Greenville, Spartanburg	34 min
Aug 31, 4:23 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg, Union, York	37 min
Aug 31, 6:07 PM EDT	Special Weather Statement	GSP	Chester	38 min
Aug 30, 9:13 PM EDT	Special Weather Statement	GSP	Rabun	32 min
Aug 30, 10:40 PM EDT	Special Weather Statement	GSP	Rabun	35 min

Nearby

Special Weather Statements in Georgia, 2021 Every 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.