Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 10, NWS Greenville-Spartanburg, SC

May 24, 2017Davie County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at May 24, 2017, 4:12 PM EDT for Davie County, Iredell County, North Carolina. It was in force for 18 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
May 24, 2017, 4:12 PM EDT (20:12 UTC)
Expired
May 24, 2017, 4:30 PM EDT
In force
18 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Davie County, NC, Iredell County, NC

The radar

The Roanoke radar (KFCX), 116 km from the middle of the area, began a volume at 20:15 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

TimeReportWhereRemark
May 24, 4:14 PM EDTTSTM WND DMG5 Wnw Farmington, NCNUMEROUS TREES DOWN AND STRUCTURAL DAMAGE TO HOMES ON FOUR CORNERS RD. OFF HWY 801. POSSIBLE TORNADO DAMAGE.

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.

IssuedProductOfficeLasted
May 24, 10:04 AM EDTTornado WatchSPC11 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.2 hours before the alert went out and 59 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 12:00Z on 2017-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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 12:00Z on 2017-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
52 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

145 
WFUS52 KGSP 242012
TORGSP
NCC059-097-242045-
/O.NEW.KGSP.TO.W.0010.170524T2012Z-170524T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
412 PM EDT WED MAY 24 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Northern Davie County in the Piedmont of North Carolina...
  Northeastern Iredell County in the Piedmont of North Carolina...

* Until 445 PM EDT
    
* At 412 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles northwest of Mocksville, or 6 miles east of
  Harmony, moving northeast at 20 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 thunderstorm will remain over mainly rural areas of
  northern Davie and northeastern Iredell Counties, including the
  following locations: Farmington and Sheffield.

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 3589 8066 3597 8077 3605 8070 3605 8050
      3604 8049 3605 8047 3606 8047 3606 8046
      3603 8044 3601 8042
TIME...MOT...LOC 2012Z 229DEG 17KT 3598 8066 

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

$$

KRENTZ
1 follow-up statement
948 
WWUS52 KGSP 242030
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
430 PM EDT WED MAY 24 2017

NCC059-097-242040-
/O.CAN.KGSP.TO.W.0010.000000T0000Z-170524T2045Z/
Davie NC-Iredell NC-
430 PM EDT WED MAY 24 2017

...THE TORNADO WARNING FOR NORTHERN DAVIE AND NORTHEASTERN IREDELL
COUNTIES 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 600 PM EDT for the Piedmont
of North Carolina.

LAT...LON 3589 8066 3597 8077 3605 8070 3605 8050
      3604 8049 3605 8047 3606 8047 3606 8046
      3603 8044 3601 8042
TIME...MOT...LOC 2024Z 229DEG 17KT 3604 8058 

$$

KRENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 4:23 AM EDTFlash Flood WatchGSPAlexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more18 hr
May 24, 4:26 AM EDTAreal Flood AdvisoryGSPBurke, Caldwell6 hr
May 24, 11:04 AM EDTSpecial Weather StatementGSPGraham71 min
May 24, 11:10 AM EDTSevere Thunderstorm WarningGSPGraham, Swain47 min
May 24, 12:18 PM EDTSpecial Weather StatementGSPGraham42 min
May 24, 1:01 PM EDTSpecial Weather StatementGSPJackson44 min
May 24, 2:39 PM EDTSpecial Weather StatementGSPMcDowell36 min
May 24, 2:47 PM EDTSevere Thunderstorm WarningGSPMcDowell, Polk, Rutherford43 min
May 24, 3:11 PM EDTSpecial Weather StatementGSPIredell34 min
May 24, 3:41 PM EDTTornado WarningGSPDavie, Iredell, Rowan34 min
May 24, 3:59 PM EDTAreal Flood AdvisoryGSPBurke, McDowell3 hr
May 24, 4:00 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg45 min
May 24, 4:15 PM EDTTornado WarningGSPAlexander, Iredell31 min
May 24, 4:16 PM EDTTornado WarningGSPUnion29 min
May 24, 4:21 PM EDTAreal Flood AdvisoryGSPMecklenburg6 hr
May 24, 4:23 PM EDTTornado WarningGSPBurke, McDowell37 min
May 24, 4:57 PM EDTSpecial Weather StatementGSPStanly33 min
May 24, 4:58 PM EDTAreal Flood AdvisoryGSPBurke, Caldwell3 hr
May 24, 5:32 PM EDTAreal Flood AdvisoryGSPMcDowell, Rutherford3 hr
May 24, 6:04 PM EDTFlash Flood WarningGSPMcDowell, Rutherford6 hr
May 24, 6:17 PM EDTSpecial Weather StatementGSPBurke43 min
May 24, 6:39 PM EDTSpecial Weather StatementGSPCaldwell36 min
May 24, 6:46 PM EDTSpecial Weather StatementGSPPolk, Rutherford44 min
May 24, 7:28 PM EDTAreal Flood AdvisoryGSPHenderson107 min

Nearby

Tornado Warnings in North Carolina, 2017Every tornado warning in 2017Tornadoes in 2017

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.