Alert archive / South Carolina / Tornado Warnings in 2020

Tornado Warning 2, NWS Greenville-Spartanburg, SC

January 11, 2020Abbeville County, Greenwood County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Jan 11, 2020, 8:34 PM EST for Abbeville County, Greenwood County, Laurens County, South Carolina. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 11, 2020, 8:34 PM EST (01:34 UTC)
Expired: Jan 11, 2020, 9:00 PM EST
In force: 26 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Abbeville County, SC, Greenwood County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 69 km from the middle of the area, began a volume at 01:38 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.

What was reported inside it

Time	Report	Where	Remark
Jan 11, 8:40 PM EST	TSTM WND DMG	5 N Verdery, SC	PUBLIC REPORTED NUMEROUS TREES SNAPPED AND UPROOTED ON MILL RD S NEAR THE GREENWOOD COUNTY LINE, WITH TREES ON A CAMPER AND FENCING. POSSIBLE TORNADO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 11, 5:38 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 1.6 hours before the alert went out and 248 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: 804 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 504 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 330 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

As transmitted.

252 
WFUS52 KGSP 120134
TORGSP
SCC001-047-059-120200-
/O.NEW.KGSP.TO.W.0002.200112T0134Z-200112T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
834 PM EST Sat Jan 11 2020

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Southwestern Laurens County in Upstate South Carolina...
  Southeastern Abbeville County in Upstate South Carolina...
  Northern Greenwood County in Upstate South Carolina...

* Until 900 PM EST.
    
* At 833 PM EST, a severe thunderstorm capable of producing a tornado
  was located near Abbeville, moving northeast at 55 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...
  Hodges around 840 PM EST.
  Greenwood and Cokesbury around 850 PM EST.
  Waterloo and Cross Hill around 900 PM EST.

Other locations impacted by this dangerous thunderstorm include
Coronaca and Mountville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A brief, weak tornado is likely. Mobile homes could be flipped.
Falling trees can cause death or serious injury, and major damage to
houses. Move to a basement or an interior room on the lowest floor of
a sturdy building.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg 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 3418 8247 3452 8200 3434 8184 3432 8186
      3430 8190 3426 8191 3407 8240
TIME...MOT...LOC 0133Z 237DEG 48KT 3416 8235 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

MOORE

1 follow-up statement

558 
WWUS52 KGSP 120149
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
849 PM EST Sat Jan 11 2020

SCC001-120159-
/O.CAN.KGSP.TO.W.0002.000000T0000Z-200112T0200Z/
Abbeville SC-
849 PM EST Sat Jan 11 2020

...THE TORNADO WARNING FOR SOUTHEASTERN ABBEVILLE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area, therefore the warning has been cancelled.

A Tornado Watch remains in effect until midnight EST for Upstate
South Carolina.

LAT...LON 3429 8227 3452 8200 3434 8184 3432 8186
      3430 8190 3426 8191 3414 8222
TIME...MOT...LOC 0149Z 246DEG 45KT 3423 8214 

$$

SCC047-059-120200-
/O.CON.KGSP.TO.W.0002.000000T0000Z-200112T0200Z/
Laurens SC-Greenwood SC-
849 PM EST Sat Jan 11 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EST FOR
SOUTHWESTERN LAURENS AND CENTRAL GREENWOOD COUNTIES...
    
At 849 PM EST, a severe thunderstorm capable of producing a tornado
was located near Greenwood, moving northeast at 50 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...
  Cross Hill, Lake Greenwood and Waterloo around 900 PM EST.

Other locations impacted by this dangerous storm include Coronaca and
Mountville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A brief, weak tornado is likely. Mobile homes could be flipped.
Falling trees can cause death or serious injury, and major damage to
houses. Move to a basement or an interior room on the lowest floor of
a sturdy building.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg 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 3429 8227 3452 8200 3434 8184 3432 8186
      3430 8190 3426 8191 3414 8222
TIME...MOT...LOC 0149Z 246DEG 45KT 3423 8214 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MOORE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 11, 7:13 PM EST	Severe Thunderstorm Warning	GSP	Greenville, Pickens	62 min
Jan 11, 7:39 PM EST	Severe Thunderstorm Warning	GSP	Anderson, Oconee	51 min
Jan 11, 7:54 PM EST	Tornado Warning	GSP	Anderson	36 min
Jan 11, 8:21 PM EST	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	39 min
Jan 11, 8:29 PM EST	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Laurens, Pickens, Spartanburg	45 min
Jan 11, 8:56 PM EST	Severe Thunderstorm Warning	GSP	Greenwood, Laurens, Spartanburg, Union	49 min
Jan 11, 8:59 PM EST	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg, Union	46 min
Jan 11, 9:21 PM EST	Severe Thunderstorm Warning	GSP	Cherokee, Chester, Union, York	39 min
Jan 11, 9:36 PM EST	Tornado Warning	GSP	Chester, Union, York	24 min
Jan 11, 9:55 PM EST	Severe Thunderstorm Warning	GSP	Chester, York	65 min

Nearby

Tornado Warnings in South Carolina, 2020 Every tornado warning in 2020 Tornadoes in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.