Alert archive / Georgia / Areal Flood Warnings in 2021

Areal Flood Warning 3, NWS Greenville-Spartanburg, SC

March 26, 2021Habersham County, Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this areal flood warning at Mar 26, 2021, 6:42 AM EDT for Habersham County, Rabun County, Georgia. It was in force for 27 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 26, 2021, 6:42 AM EDT (10:42 UTC)
Expired
Mar 27, 2021, 10:00 AM EDT
In force
27 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

Counties Habersham County, GA, Rabun County, GA

The radar

The Greer radar (KGSP), 123 km from the middle of the area, began a volume at 10:42 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 00:00Z, 10.7 hours before the alert went out and 180 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 344 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
344 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1291 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
476 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted.

444 
WGUS42 KGSP 261042
FLWGSP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Greenville-Spartanburg SC
642 AM EDT Fri Mar 26 2021

GAC137-241-262230-
/O.NEW.KGSP.FA.W.0003.210326T1042Z-210326T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Habersham GA-Rabun GA-
642 AM EDT Fri Mar 26 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Flood Warning for...
  Habersham County in northeastern Georgia...
  Western Rabun County in northeastern Georgia...

* Until 630 PM EDT Friday.

* At 642 AM EDT, Heavy rainfall has ended across Rabun and Habersham 
  counties and no additional rainfall is expected.  Flooding 
  concerns associated with earlier flash flooding have abated across 
  much of the area, especially near smaller streams and 
  tributaries.  However, the Talullah and Soque River watersheds are 
  still dealing with significant floodwaves which continue to work 
  through both river systems.  Crests on these larger streams are 
  still several hours away and Minor to Moderate flooding will 
  continue on scattered reaches of both rivers through early Friday 
  afternoon.  Therefore, the Flash Flood Warning has been cancelled 
  since the flash flood threat has ended; however a Flood Warning 
  has been issued across a smaller portion of Rabun and Habersham 
  counties due to the continued threat for significant river 
  flooding.

* Georgia Power has declared a high-flow event for the Tallulah 
  River reservoir system, especially below Mathis Dam, where high 
  flow may result in flooding along Shady Ln.  It is possible 
  additional releases may occur below Mathis Dam or at other 
  reservoirs, and these additional releases may result in more 
  significant flooding, including along Old US 441 near Lakemont.  
  Residents are urged to stay weather aware and pay close attention 
  to the latest information from Rabun County Emergency Management 
  and Georgia Power in the event of more significant flooding.  
  Regardless, within the warned area, continue to expect widespread 
  flooding of low-lying areas adjacent to the Soque and Tallulah 
  rivers, including farmland, wooded areas, parks and greenways,
  river-access areas, low-water crossings, and a few secondary roads.

* Minor flooding will continue along the Soque River from Batesville 
  to Clarkesville to the Chattahoochee River.  In Rabun County, 
  Minor to potentially Moderate flooding will continue below Lake 
  Burton to below Tugalo Dam, especially near Mathis Dam, where 
  additional releases are possible which may exacerbate ongoing 
  flooding and force residents to seek higher ground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3482 8365 3488 8366 3491 8363 3491 8360
      3494 8360 3495 8355 3499 8355 3499 8347
      3492 8346 3486 8351 3476 8332 3473 8335
      3469 8334 3448 8365 3451 8367 3455 8362
      3465 8366 3473 8362 3477 8363 3480 8368

$$

JMP
4 follow-up statements
499 
WGUS42 KGSP 262212
FLWGSP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Greenville-Spartanburg SC
612 PM EDT Fri Mar 26 2021

GAC137-241-270430-
/O.EXT.KGSP.FA.W.0003.000000T0000Z-210327T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Habersham GA-Rabun GA-
612 PM EDT Fri Mar 26 2021

The National Weather Service in Greenville-Spartanburg has extended 
the

* Flood Warning for...
  Habersham County in northeastern Georgia...
  Western Rabun County in northeastern Georgia...

* Until 1230 AM EDT Saturday.

* At 612 PM EDT, Gauges indicate that waters are receding, but still 
  remain above action stage to near flood stage.  With no additional 
  rain expected, waters should continue to decline to below action 
  stage by early Saturday morning.

* Georgia Power has declared a high-flow event for the Tallulah 
  River reservoir system, especially below Mathis Dam, where high 
  flow may result in flooding along Shady Ln.  It is possible 
  additional releases may occur below Mathis Dam or at other 
  reservoirs, and these additional releases may result in more 
  significant flooding, including along Old US 441 near Lakemont.  
  Residents are urged to stay weather aware and pay close attention 
  to the latest information from Rabun County Emergency Management 
  and Georgia Power in the event of more significant flooding.  
  Regardless, within the warned area, continue to expect 
  flooding of low-lying areas adjacent to the Soque and Tallulah 
  rivers, including farmland, wooded areas, parks and greenways,
  river-access areas, low-water crossings, and a few secondary roads.

* Minor flooding will continue along the Soque River from Batesville 
  to Clarkesville to the Chattahoochee River.  In Rabun County, 
  Minor to potentially Moderate flooding will continue below Lake 
  Burton to below Tugalo Dam, especially near Mathis Dam, where 
  additional releases are possible which may exacerbate ongoing 
  flooding and force residents to seek higher ground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3482 8365 3488 8366 3491 8363 3491 8360
      3494 8360 3495 8355 3499 8355 3499 8347
      3492 8346 3486 8351 3476 8332 3473 8335
      3469 8334 3448 8365 3451 8367 3455 8362
      3465 8366 3473 8362 3477 8363 3480 8368

$$

WJM
943 
WGUS42 KGSP 270423
FLWGSP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Greenville-Spartanburg SC
1223 AM EDT Sat Mar 27 2021

GAC137-241-270630-
/O.EXT.KGSP.FA.W.0003.000000T0000Z-210327T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Habersham GA-Rabun GA-
1223 AM EDT Sat Mar 27 2021

The National Weather Service in Greenville-Spartanburg has extended 
the

* Flood Warning for...
  Habersham County in northeastern Georgia...
  Western Rabun County in northeastern Georgia...

* Until 230 AM EDT.

* At 1223 AM EDT, Flooding is ongoing or expected to begin shortly 
  in the warned area.

* Some locations that will experience flooding include...
  Clarkesville, Demorest, Tallulah Falls, Lake Rabun, Lake Burton, 
  Lakemont, Tallulah Gorge State Park, Seed Lake, Batesville, 
  Turnerville and Hollywood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3482 8365 3488 8366 3491 8363 3491 8360
      3494 8360 3495 8355 3499 8355 3499 8347
      3492 8346 3486 8351 3476 8332 3473 8335
      3469 8334 3448 8365 3451 8367 3455 8362
      3465 8366 3473 8362 3477 8363 3480 8368

$$

Moore
282 
WGUS82 KGSP 270508
FLSGSP

Flood Statement
National Weather Service Greenville-Spartanburg SC
108 AM EDT Sat Mar 27 2021

GAC137-270518-
/O.CAN.KGSP.FA.W.0003.000000T0000Z-210327T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Habersham GA-
108 AM EDT Sat Mar 27 2021

...FLOOD WARNING IS CANCELLED FOR HABERSHAM COUNTY...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

LAT...LON 3483 8360 3486 8358 3488 8357 3488 8354
      3487 8353 3483 8353 3479 8350 3478 8347
      3478 8341 3478 8339 3473 8335 3472 8335
      3474 8339 3473 8340 3474 8342 3475 8343
      3473 8348 3475 8354 3482 8358

$$

GAC241-270630-
/O.CON.KGSP.FA.W.0003.000000T0000Z-210327T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rabun GA-
108 AM EDT Sat Mar 27 2021

...FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM EDT EARLY THIS 
MORNING FOR SOUTHWESTERN RABUN COUNTY...

At 108 AM EDT, gauge reports indicated continued flooding along the 
river from Lake Burton downstream to Lake Rabun and below Mathis Dam.

Some locations that will experience flooding include...
  Tallulah Falls, Lake Rabun, Lake Burton, Lakemont, Tallulah Gorge 
  State Park and Seed Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3483 8360 3486 8358 3488 8357 3488 8354
      3487 8353 3483 8353 3479 8350 3478 8347
      3478 8341 3478 8339 3473 8335 3472 8335
      3474 8339 3473 8340 3474 8342 3475 8343
      3473 8348 3475 8354 3482 8358

$$

Moore
585 
WGUS42 KGSP 270613
FLWGSP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Greenville-Spartanburg SC
213 AM EDT Sat Mar 27 2021

GAC241-271400-
/O.EXT.KGSP.FA.W.0003.000000T0000Z-210327T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rabun GA-
213 AM EDT Sat Mar 27 2021

The National Weather Service in Greenville-Spartanburg has extended 
the

* Flood Warning for...
  Southwestern Rabun County in northeastern Georgia...

* Until 1000 AM EDT Saturday.

* At 213 AM EDT, gauge reports indicated continued flooding along 
  the river from Lake Burton to Lake Rabun and downstream from 
  Mathis Dam, due to runoff from heavy rain that fell on Thursday 
  and early Friday.

* Some locations that will experience flooding include...
  Tallulah Falls, Lake Rabun, Lake Burton, Lakemont, Tallulah Gorge 
  State Park and Seed Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3483 8360 3486 8358 3488 8357 3488 8354
      3487 8353 3483 8353 3479 8350 3478 8347
      3478 8341 3478 8339 3473 8335 3472 8335
      3474 8339 3473 8340 3474 8342 3475 8343
      3473 8348 3475 8354 3482 8358

$$

Moore

What forecasters said that day

The local office's own words before this areal flood 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 areal flood warning went out at Mar 26, 6:39 AM EDT, 3 minutes earlier.

Area forecast discussion, Mar 26, 6:39 AM EDT, 3 minutes before
Area Forecast Discussion
National Weather Service Greenville-Spartanburg SC
639 AM EDT Fri Mar 26 2021

.SYNOPSIS...
A cold front slowly passes through the area today, but stalls out
just south of the region tonight. This will allow an active pattern
to continue this weekend as the front lifts back north on Saturday,
then another cold front slides through the area on Sunday. Cool and
dry high pressure returns early next week.

&&

.NEAR TERM /THROUGH TONIGHT/...
As of 630 AM EDT Friday: A couple of strong storms continue to
affect Elbert County, GA, and Union County, NC, but should shift
south and east of the FA within the next hour or so. Behind that,
mainly just some scattered showers across the southeast quarter
of the FA this morning. Cannot rule out additional tstms, as
MUCAPE is still 500-1000 J/kg on the SPC mesoanaylsis page. But
the better moisture has shifted south, and forcing should be on
the downward trend.

Otherwise, a frontal boundary should push out of the region by 18z
today as sfc high builds in to the NW and we enter a post-frontal
environment by the very end of the forecast period. Drier weather
will prevail, with highs in the low 80s in most locations outside
the mountains and 70s in the higher elevations. One factor that
can play a role is how fast the cold front exits the region and
allows for the clouds to scour out.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
As of 345 AM EDT Friday: Due to active weather, didn't have time
to make much changes to the short term forecast. Unfortunately,
active weather pattern will continue, as another shortwave trough
carves out and helps shift the longwave trough axis east. A warm
front will lift north across the area on Saturday, likely bringing
a round of showers and possibly some embedded tstms. Fortunately,
any storms that develop should be elevated and the severe threat
looks low. Temps will be not as warm as Friday, thanks in part
due to mostly cloudy skies.

The warm front should lift north of the area by early Sunday,
and there is little indication of any wedge. Guidance is in good
agreement on a cold front crossing the area during the day Sunday,
and could line up well with peak heating. There is definitely
a concern for another round of organized severe tstms with this
front. Bulk shear will be strong thanks to an intense LLJ. Can't
rule out a quasi-linear and/or supercell storm mode. So in light
of that, the new SPC Day 3 Convective Outlook has the entire FA
in a Slight Risk. Will plan to update the threat mention in the
HWO. Otherwise, Sunday will be warm, and even feel a little humid,
if dewpts can get into the 60s. Highs in the mid 70s to 80 east
of the mountains. Temps drop back to near-normal Sunday night in
the wake of the cold front.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
As of 12 AM EDT Friday: Good agreement amongst global models
provides above normal confidence in the extended period. The
progressive pattern will continue into next week. A cool
continental air mass will ride in on the tail of Sunday's cold
front, but full insolation and downslope flow off the southern
Appalachians will support highs still reaching the 70s for many on
Monday. Breezy but sub-advisory west/northwest winds should
gradually weaken late in the day. A transient 1030 mb high will
maintain the dry air mass and large diurnal swing in temperatures
into Tuesday. By Wednesday, return flow behind the high will support
increasing low level moisture off the Atlantic basin for at least
increasing clouds for southern areas if not supporting some shower
activity.

Probably the biggest story is the emergence of a full latitude
trough and associated frontal system to impact the area late in the
work week. It is too early for the details but this has the
potential to be a vigorous cold front with widespread precipitation.
Temperatures will likely fall below normal late next week in
response to the Canadian air mass settling into the region.

&&

.AVIATION /12Z FRIDAY THROUGH TUESDAY/...
At KCLT and elsewhere: convection has shifted southeast of all
the TAF sites in time for the 12z TAFs. There will be isolated
to scattered showers continuing across mainly the Upstate and
KCLT sites thru about 13-15z. Plenty of moisture and calming
winds are causing patchy fog and very low stratus, and there's
lots of MVFR cigs around. But dry air should bring all sites to
VFR by late morning. SW winds expected today, with low-end gusts
during the midday to late aftn hours. KAVL is the exception as
winds turn to NW. Winds become lght this evening, and shift to
west or west-northwest.

Outlook: Another system may bring showers Saturday with
thunderstorms possible by Sunday.

Confidence Table...

            10-16Z        16-22Z        22-04Z        04-06Z
KCLT       High 100%     High  95%     High 100%     High 100%
KGSP       Med   77%     High 100%     High 100%     High 100%
KAVL       Low   55%     High 100%     High 100%     High 100%
KHKY       High 100%     High 100%     High 100%     High 100%
KGMU       Med   72%     High 100%     High 100%     High 100%
KAND       High  95%     High 100%     High 100%     High 100%

The percentage reflects the number of guidance members agreeing
with the scheduled TAF issuance flight rule category. Complete hourly
experimental aviation forecast consistency tables are available at
the following link:

www.weather.gov/gsp/aviation

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...None.
NC...None.
SC...None.

&&

SYNOPSIS...ARK
NEAR TERM...ARK
SHORT TERM...ARK
LONG TERM...Munroe
AVIATION...ARK
Hazardous weather outlook, Mar 26, 5:11 AM EDT, 1 hour 31 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
511 AM EDT Fri Mar 26 2021

GAZ029-NCZ057-071-072-082-SCZ009-011>014-019-270915-
Elbert-Rowan-Mecklenburg-Cabarrus-Union NC-York-Abbeville-Laurens-
Union SC-Chester-Greenwood-
511 AM EDT Fri Mar 26 2021

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

.DAY ONE...Today and tonight.

Scattered thunderstorms will continue across the lower Piedmont of
the Upstate and northeast Georgia, as well as the southern NC
Piedmont through the morning hours. Any thunderstorm will be capable
of cloud-to-ground lightning, strong gusty winds, and torrential
rainfall. A few storms could briefly become severe with large hail
and damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Another round of thunderstorms is expected on Sunday. Some of these
storms may become severe, producing damaging wind and large hail.

.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.

GAZ010-017-018-026-028-NCZ033-035>037-048>053-056-058-059-062>065-
068>070-501>510-SCZ001>008-010-270915-
Rabun-Habersham-Stephens-Franklin-Hart-Avery-Alexander-Iredell-Davie-
Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Catawba-Graham-
Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson-
Cleveland-Lincoln-Gaston-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-Anderson-
511 AM EDT Fri Mar 26 2021

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

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Another round of thunderstorms is expected on Sunday. Some of these
storms may become severe, producing damaging wind and large hail.

.SPOTTER INFORMATION STATEMENT...

None.

ARK

In the hours before

Special weather statement, Mar 26, 4:25 AM EDT, 2 hours 17 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
425 AM EDT Fri Mar 26 2021

SCZ013-014-260900-
Union SC-Chester SC-
425 AM EDT Fri Mar 26 2021

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL CHESTER AND SOUTHEASTERN
UNION COUNTIES UNTIL 500 AM EDT...

At 425 AM EDT, Doppler radar was tracking a strong thunderstorm 11
miles south of Union, or 5 miles northeast of Whitmire, moving east
at 75 mph.

Locations to be impacted include...
Chester, Carlisle, Rose Hill State Park, Chester State Park,
Blackstock, Leeds, Cornwell, Tuckertown and Santuc.

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 3449 8157 3454 8166 3462 8169 3482 8107
      3482 8105 3455 8100 3457 8142 3450 8142
      3449 8144 3449 8148 3447 8151 3446 8155
TIME...MOT...LOC 0825Z 251DEG 63KT 3457 8156

MOORE
Special weather statement, Mar 26, 4:29 AM EDT, 2 hours 13 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
429 AM EDT Fri Mar 26 2021

GAZ029-SCZ010-011-019-260900-
Elbert GA-Abbeville SC-Anderson SC-Greenwood SC-
429 AM EDT Fri Mar 26 2021

...A STRONG THUNDERSTORM WILL IMPACT ELBERT...SOUTHEASTERN
ANDERSON...ABBEVILLE AND NORTHWESTERN GREENWOOD COUNTIES UNTIL 500 AM
EDT...

At 428 AM EDT, Doppler radar was tracking a strong thunderstorm 9
miles east of Elberton, or near Lake Russell, moving east at 70 mph.

Locations to be impacted include...
Greenwood, Abbeville, Elberton, Calhoun Falls, Due West, Iva, Lake
Secession, Donalds, Cokesbury and Hodges.

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.

Lake Russell is in the path of this storm. Cloud to ground lightning
and gusty winds will create dangerous boating conditions.
Move to shore immediately.

Doppler radar indicates weak rotation with this storm. Spin-up of a
very brief, weak tornado cannot be ruled out. Be prepared to take
immediate action if a tornado is sighted or a Tornado Warning is
issued.

&&

LAT...LON 3399 8283 3398 8286 3401 8291 3402 8294
      3421 8290 3446 8232 3411 8205 3407 8230
      3406 8233 3406 8244 3408 8248 3407 8253
      3401 8259 3397 8275 3397 8279
TIME...MOT...LOC 0828Z 251DEG 63KT 3412 8269

MOORE
Special weather statement, Mar 26, 4:55 AM EDT, 1 hour 47 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
455 AM EDT Fri Mar 26 2021

SCZ007-012-013-019-260930-
Laurens SC-Greenwood SC-Union SC-Spartanburg SC-
455 AM EDT Fri Mar 26 2021

...A CLUSTER OF THUNDERSTORMS WILL IMPACT LAURENS...SOUTHEASTERN
SPARTANBURG...SOUTHWESTERN UNION AND NORTHERN GREENWOOD COUNTIES
UNTIL 530 AM EDT...

At 455 AM EDT, Doppler radar indicated the leading edge of a cluster
of thunderstorms along a line extending from 13 miles west of Laurens
to 6 miles northeast of Abbeville, and moving east at 60 mph.

Locations to be impacted include...
Greenwood, Laurens, Clinton, Ware Shoals, Joanna, Gray Court, Cross
Hill, Cokesbury, Waterloo and Hodges.

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...

The combination of gusty winds and saturated soil conditions will
cause scattered trees and power lines to fall. Seek shelter inside an
interior room.

Lake Greenwood is in the path of these storms. Cloud to ground
lightning and gusty winds will create dangerous boating conditions.
Move to shore immediately.

&&

LAT...LON 3422 8225 3427 8230 3434 8233 3441 8225
      3448 8232 3454 8224 3459 8224 3474 8171
      3453 8164 3437 8178 3430 8190 3424 8191
      3420 8194 3416 8224
TIME...MOT...LOC 0855Z 254DEG 52KT 3449 8227 3424 8230

MOORE
Special weather statement, Mar 26, 5:20 AM EDT, 1 hour 22 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
520 AM EDT Fri Mar 26 2021

SCZ013-014-261000-
Union SC-Chester SC-
520 AM EDT Fri Mar 26 2021

...A STRONG THUNDERSTORM WILL IMPACT CHESTER AND SOUTHEASTERN UNION
COUNTIES UNTIL 600 AM EDT...

At 519 AM EDT, Doppler radar was tracking a strong thunderstorm 12
miles south of Union, or near Whitmire, moving east at 60 mph.

Locations to be impacted include...
Chester, Great Falls, Fort Lawn, Carlisle, Richburg, Chester State
Park, Rose Hill State Park, Blackstock, Fishing Creek Reservoir and
Leeds.

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 3446 8156 3448 8155 3454 8165 3466 8169
      3482 8090 3479 8088 3471 8086 3464 8090
      3455 8087 3455 8097 3457 8142 3450 8142
      3449 8144 3449 8149 3445 8154
TIME...MOT...LOC 0919Z 254DEG 60KT 3454 8162

MOORE
Local storm report, Mar 26, 5:36 AM EDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
536 AM EDT FRI MAR 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0324 AM     TSTM WND DMG     1 WSW NUBERG            34.26N 82.92W
03/26/2021                   HART               GA   EMERGENCY MNGR

            FIVE CHICKEN HOUSES COLLAPSED. A FEW TREE LIMBS BLOWN
            DOWN AS WELL.

&&

PM
Special weather statement, Mar 26, 6:10 AM EDT, 32 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
610 AM EDT Fri Mar 26 2021

GAZ029-SCZ011-261100-
Elbert GA-Abbeville SC-
610 AM EDT Fri Mar 26 2021

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN ELBERT AND SOUTHERN
ABBEVILLE COUNTIES UNTIL 700 AM EDT...

At 609 AM EDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Elberton, or 9 miles southeast of Carlton, moving east
at 55 mph.

Locations to be impacted include...
Abbeville, Calhoun Falls, Bobby Brown State Park, Lake Strom
Thurmond, Nancy Hart State Park, Middleton, Lake Russell, Broad River
Campground, Fortsonia and Rice Town.

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.

Lake Russell 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 3398 8261 3397 8264 3399 8265 3397 8278
      3399 8283 3398 8286 3401 8291 3401 8294
      3403 8294 3404 8296 3407 8293 3422 8236
      3406 8233 3406 8244 3408 8248 3407 8253
      3401 8260 3396 8257
TIME...MOT...LOC 1009Z 254DEG 49KT 3396 8291

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 9:20 PM EDTAreal Flood WarningGSPRabun9 hr
Mar 25, 11:19 PM EDTAreal Flood AdvisoryGSPHabersham6 hr
Mar 25, 11:49 PM EDTAreal Flood AdvisoryGSPStephens12 hr
Mar 26, 12:42 AM EDTSpecial Weather StatementGSPRabun33 min
Mar 26, 12:57 AM EDTFlash Flood Warning Considerable damage threatGSPHabersham, Rabun6 hr
Mar 26, 1:14 AM EDTSpecial Weather StatementGSPHabersham, Rabun31 min
Mar 26, 1:29 AM EDTSevere Thunderstorm WarningGSPHabersham, Rabun, Stephens31 min
Mar 26, 2:38 AM EDTSpecial Weather StatementGSPFranklin, Hart37 min
Mar 26, 3:15 AM EDTSpecial Weather StatementGSPHart30 min
Mar 26, 3:23 AM EDTSevere Thunderstorm WarningGSPElbert, Hart24 min
Mar 26, 4:01 AM EDTSpecial Weather StatementGSPElbert29 min
Mar 26, 4:29 AM EDTSpecial Weather StatementGSPElbert31 min
Mar 26, 6:10 AM EDTSpecial Weather StatementGSPElbert50 min

Nearby

Areal Flood Warnings in Georgia, 2021Every areal flood warning 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.