Alert archive / Georgia / Tornado Warnings in 2021

Tornado Warning 26, NWS Greenville-Spartanburg, SC

August 17, 2021Habersham County, Georgia

NWS Greenville-Spartanburg, SC issued this tornado warning at Aug 17, 2021, 10:36 AM EDT for Habersham County, Georgia. It was in force for 39 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 17, 2021, 10:36 AM EDT (14:36 UTC)
Expired
Aug 17, 2021, 11:15 AM EDT
In force
39 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Habersham County, GA

The radar

The Greer radar (KGSP), 129 km from the middle of the area, began a volume at 14:40 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 17, 3:45 AM EDTTornado WatchSPC9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.6 hours before the alert went out and 164 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 12:00Z on 2021-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 259 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2021-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.193958Sfc1 km3 km6 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
259 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

749 
WFUS52 KGSP 171436
TORGSP
GAC137-171515-
/O.NEW.KGSP.TO.W.0026.210817T1436Z-210817T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
1036 AM EDT Tue Aug 17 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Habersham County in northeastern Georgia...

* Until 1115 AM EDT.
    
* At 1036 AM EDT, a severe thunderstorm capable of producing a
  tornado was located 6 miles north of Homer, or 5 miles southeast of
  Baldwin, moving northwest at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Alto around 1040 AM EDT.
  Cornelia, Baldwin and Mount Airy around 1050 AM EDT.
  Clarkesville and Demorest around 1100 AM EDT.

Other locations impacted by this dangerous thunderstorm include
Batesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report damaging winds, hail, or flooding to the National
Weather Service by calling toll free, 1, 800, 2 6 7, 8 1 0 1, or by
posting on our Facebook page, or Tweet it using hashtag nwsgsp. Your
message should describe the event and the specific location where it
occurred.

&&

LAT...LON 3480 8368 3473 8351 3473 8349 3457 8342
      3448 8346 3449 8354 3445 8360 3452 8365
      3454 8362 3460 8365 3462 8364 3465 8366
      3468 8364 3471 8364 3473 8362 3477 8363
TIME...MOT...LOC 1436Z 154DEG 29KT 3443 8348 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

CSH
2 follow-up statements
822 
WWUS52 KGSP 171454
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1054 AM EDT Tue Aug 17 2021

GAC137-171515-
/O.CON.KGSP.TO.W.0026.000000T0000Z-210817T1515Z/
Habersham GA-
1054 AM EDT Tue Aug 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM EDT FOR
HABERSHAM COUNTY...
    
At 1053 AM EDT, a severe thunderstorm capable of producing a tornado
was located 5 miles south of Clarkesville, or near Mount Airy, moving
northwest at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Demorest around 1100 AM EDT.
  Clarkesville around 1110 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Batesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3480 8368 3473 8351 3473 8349 3457 8342
      3448 8346 3449 8354 3462 8364 3465 8366
      3468 8364 3471 8364 3473 8362 3477 8363
TIME...MOT...LOC 1453Z 153DEG 24KT 3453 8349 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

TDP
302 
WWUS52 KGSP 171511
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1111 AM EDT Tue Aug 17 2021

GAC137-171521-
/O.EXP.KGSP.TO.W.0026.000000T0000Z-210817T1515Z/
Habersham GA-
1111 AM EDT Tue Aug 17 2021

...THE TORNADO WARNING FOR HABERSHAM COUNTY WILL EXPIRE AT 1115 AM
EDT...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 100 PM EDT for northeastern
Georgia. A Tornado Watch also remains in effect until 700 PM EDT for
northeastern Georgia.

To report severe weather to the National Weather Service
Greenville-Spartanburg, call toll free, 1, 800, 2 6 7, 8 1 0 1, or
post on our Facebook page, or Tweet it using hashtag nwsgsp. Your
message should describe the event and the specific location where it
occurred.

LAT...LON 3480 8368 3473 8351 3473 8349 3457 8342
      3448 8346 3449 8354 3462 8364 3465 8366
      3468 8364 3471 8364 3473 8362 3477 8363
TIME...MOT...LOC 1511Z 154DEG 29KT 3466 8356 

$$

TDP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 10:23 AM EDTSpecial Weather StatementGSPElbert37 min
Aug 17, 10:58 AM EDTTornado WarningGSPElbert, Hart26 min
Aug 17, 11:19 AM EDTSpecial Weather StatementGSPHabersham26 min
Aug 17, 11:29 AM EDTFlash Flood WarningGSPHabersham5 hr
Aug 17, 11:47 AM EDTTornado WarningGSPHabersham, Rabun, Stephens13 min
Aug 17, 11:52 AM EDTFlash Flood WarningGSPHabersham, Rabun5 hr
Aug 17, 1:58 PM EDTSpecial Weather StatementGSPRabun32 min
Aug 17, 2:31 PM EDTTornado WarningGSPRabun19 min
Aug 17, 4:28 PM EDTAreal Flood WarningGSPHabersham6 hr

Nearby

Tornado Warnings in Georgia, 2021Every tornado warning in 2021Tornadoes 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.