Alert archive / North Carolina / Tornado Warnings in 2020

Tornado Warning 4, NWS Greenville-Spartanburg, SC

January 11, 2020Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Jan 11, 2020, 10:31 PM EST for Union County, North Carolina. It was in force for 17 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
Jan 11, 2020, 10:31 PM EST (03:31 UTC)
Expired
Jan 11, 2020, 10:48 PM EST
In force
17 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Union County, NC

The radar

The Columbia radar (KCAE), 147 km from the middle of the area, began a volume at 03:31 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
Jan 11, 5:38 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.5 hours before the alert went out and 116 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, Greensboro/Hi Pt, NC at 00:00Z on 2020-01-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2020-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 426 square meters per square second.19395878Sfc1 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
16 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
426 m²/s²
0-3 km storm-relative helicity
489 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

977 
WFUS52 KGSP 120331
TORGSP
NCC179-120400-
/O.NEW.KGSP.TO.W.0004.200112T0331Z-200112T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
1031 PM EST Sat Jan 11 2020

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Eastern Union County in the Piedmont of North Carolina...

* Until 1100 PM EST.
    
* At 1031 PM EST, a severe thunderstorm capable of producing a
  tornado was located near Monroe, or near Wingate, moving northeast
  at 60 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.

* Locations impacted include...
  Monroe, Unionville, Wingate, Marshville and New Salem. 

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 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 3497 8030 3488 8053 3504 8063 3517 8040
      3517 8039 3518 8037 3517 8036 3518 8033
      3517 8032 3519 8030 3519 8029 3520 8028
TIME...MOT...LOC 0331Z 244DEG 51KT 3501 8048 

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

$$

MOORE
2 follow-up statements
862 
WWUS52 KGSP 120341
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1041 PM EST Sat Jan 11 2020

NCC179-120400-
/O.CON.KGSP.TO.W.0004.000000T0000Z-200112T0400Z/
Union NC-
1041 PM EST Sat Jan 11 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EST FOR
NORTHEASTERN UNION COUNTY...
    
At 1041 PM EST, a severe thunderstorm capable of producing a tornado
was located 14 miles northeast of Monroe, or 6 miles northeast of
Marshville, moving northeast at 60 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.

Locations impacted include...
Wingate, Marshville and New Salem. 

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 3497 8030 3495 8044 3510 8048 3517 8040
      3517 8039 3518 8037 3517 8036 3518 8033
      3517 8032 3519 8030 3519 8029 3520 8028
TIME...MOT...LOC 0341Z 244DEG 51KT 3508 8031 

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

$$

MOORE
649 
WWUS52 KGSP 120348
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1048 PM EST Sat Jan 11 2020

NCC179-120358-
/O.CAN.KGSP.TO.W.0004.000000T0000Z-200112T0400Z/
Union NC-
1048 PM EST Sat Jan 11 2020

...THE TORNADO WARNING FOR NORTHEASTERN UNION COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A Tornado Watch remains in effect until midnight EST for the Piedmont
of North Carolina.

LAT...LON 3497 8030 3495 8044 3510 8048 3517 8040
      3517 8039 3518 8037 3517 8036 3518 8033
      3517 8032 3519 8030 3519 8029 3520 8028
TIME...MOT...LOC 0346Z 244DEG 51KT 3513 8019 

$$

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 7:02 PM ESTSevere Thunderstorm WarningGSPBuncombe, Haywood, Henderson, Transylvania43 min
Jan 11, 7:19 PM ESTAreal Flood AdvisoryGSPHenderson, Transylvania4 hr
Jan 11, 7:32 PM ESTSevere Thunderstorm WarningGSPBuncombe, Henderson, McDowell, Polk, Rutherford, Yancey31 min
Jan 11, 7:53 PM ESTSevere Thunderstorm WarningGSPBurke, McDowell, Mitchell, Polk, Rutherford, Yancey52 min
Jan 11, 8:02 PM ESTSevere Thunderstorm WarningGSPAvery, Burke, Caldwell43 min
Jan 11, 8:22 PM ESTSevere Thunderstorm WarningGSPAlexander, Burke, Caldwell, Catawba, Cleveland, Lincoln and 2 more53 min
Jan 11, 8:57 PM ESTSevere Thunderstorm WarningGSPAlexander, Catawba, Cleveland, Gaston, Iredell, Lincoln48 min
Jan 11, 9:36 PM ESTFlash Flood WarningGSPMcDowell3 hr
Jan 11, 9:41 PM ESTSevere Thunderstorm WarningGSPCabarrus, Catawba, Davie, Gaston, Iredell, Lincoln and 2 more49 min
Jan 11, 9:55 PM ESTSevere Thunderstorm WarningGSPMecklenburg, Union65 min
Jan 11, 10:19 PM ESTSevere Thunderstorm WarningGSPCabarrus, Davie, Mecklenburg, Rowan41 min
Jan 11, 10:46 PM ESTRiver Flood AdvisoryGSPBuncombe, Henderson22 hr
Jan 11, 11:05 PM ESTRiver Flood AdvisoryGSPHenderson, Transylvania8 hr
Jan 11, 11:06 PM ESTAreal Flood WarningGSPHenderson, Transylvania3 hr
Jan 12, 1:03 AM ESTAreal Flood AdvisoryGSPBurke, Caldwell4 hr
Jan 12, 2:44 AM ESTAreal Flood AdvisoryGSPTransylvania6 hr
Jan 12, 5:32 AM ESTAreal Flood AdvisoryGSPBurke, Caldwell6 hr
Jan 12, 6:54 AM ESTRiver Flood WarningGSPHenderson, Transylvania50 hr

Nearby

Tornado Warnings in North Carolina, 2020Every tornado warning in 2020Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.