Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 36, NWS Greenville-Spartanburg, SC

October 23, 2017Alexander County, Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Oct 23, 2017, 4:50 PM EDT for Alexander County, Caldwell County, North Carolina. It was in force for 14 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: Oct 23, 2017, 4:50 PM EDT (20:50 UTC)
Expired: Oct 23, 2017, 5:04 PM EDT
In force: 14 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

Counties Alexander County, NC, Caldwell County, NC

The radar

The Roanoke radar (KFCX), 146 km from the middle of the area, began a volume at 20:53 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.

Issued	Product	Office	Lasted
Oct 23, 2:00 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.8 hours before the alert went out and 128 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

317 
WFUS52 KGSP 232050
TORGSP
NCC003-027-232130-
/O.NEW.KGSP.TO.W.0036.171023T2050Z-171023T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
450 PM EDT MON OCT 23 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Northwestern Alexander County in the Piedmont of North Carolina...
  Northeastern Caldwell County in western North Carolina...

* Until 530 PM EDT

* At 449 PM EDT, a confirmed tornado was located 9 miles west of
  Taylorsville, or 6 miles east of Cedar Rock, moving north at 35
  mph.

  HAZARD...Damaging tornado. 

  SOURCE...Public confirmed tornado. 

  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
  northwestern Alexander and northeastern Caldwell Counties,
  including the following locations: Ellendale, Kings Creek and
  Little River In Alexander County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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!

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 3607 8141 3605 8139 3604 8140 3604 8137
      3600 8133 3601 8129 3603 8127 3604 8119
      3603 8117 3603 8114 3587 8124 3592 8145
      3607 8144
TIME...MOT...LOC 2049Z 201DEG 29KT 3593 8135 

TORNADO...OBSERVED
HAIL...0.00IN

$$

KRENTZ

1 follow-up statement

346 
WWUS52 KGSP 232104
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
504 PM EDT MON OCT 23 2017

NCC003-027-232114-
/O.CAN.KGSP.TO.W.0036.000000T0000Z-171023T2130Z/
Alexander NC-Caldwell NC-
504 PM EDT MON OCT 23 2017

...THE TORNADO WARNING FOR NORTHWESTERN ALEXANDER AND NORTHEASTERN
CALDWELL 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 900 PM EDT for western and
the Piedmont of North Carolina.

LAT...LON 3607 8141 3605 8139 3604 8140 3604 8137
      3600 8133 3601 8129 3603 8127 3604 8119
      3603 8117 3603 8114 3587 8124 3592 8145
      3607 8144
TIME...MOT...LOC 2103Z 201DEG 29KT 3604 8130 

$$

KRENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 23, 3:01 AM EDT	Wind Advisory	GSP	Graham, Haywood, Jackson, Macon, Swain, Transylvania	11 hr
Oct 23, 11:44 AM EDT	Areal Flood Advisory	GSP	Transylvania	6 hr
Oct 23, 11:58 AM EDT	Areal Flood Advisory	GSP	Jackson, Macon	9 hr
Oct 23, 12:08 PM EDT	Areal Flood Advisory	GSP	Henderson, Transylvania	6 hr
Oct 23, 12:16 PM EDT	Special Weather Statement	GSP	Macon	59 min
Oct 23, 12:21 PM EDT	Areal Flood Advisory	GSP	Haywood	6 hr
Oct 23, 12:27 PM EDT	Special Weather Statement	GSP	Henderson, Polk	33 min
Oct 23, 12:43 PM EDT	Areal Flood Advisory	GSP	Buncombe, Henderson	6 hr
Oct 23, 12:46 PM EDT	Special Weather Statement	GSP	Avery	29 min
Oct 23, 1:00 PM EDT	Special Weather Statement	GSP	Henderson, Polk	45 min
Oct 23, 1:04 PM EDT	Areal Flood Warning	GSP	Transylvania	6 hr
Oct 23, 1:09 PM EDT	Special Weather Statement	GSP	Jackson	51 min
Oct 23, 1:47 PM EDT	Areal Flood Advisory	GSP	Buncombe, Henderson, Transylvania	6 hr
Oct 23, 1:53 PM EDT	Special Weather Statement	GSP	Mitchell, Yancey	37 min
Oct 23, 2:02 PM EDT	Areal Flood Warning	GSP	Henderson	6 hr
Oct 23, 2:02 PM EDT	Special Weather Statement	GSP	Buncombe, Henderson	28 min
Oct 23, 2:07 PM EDT	River Flood Warning	GSP	Henderson, Transylvania	66 hr
Oct 23, 2:25 PM EDT	Special Weather Statement	GSP	Avery, Burke, McDowell, Polk, Rutherford	35 min
Oct 23, 2:26 PM EDT	Areal Flood Warning	GSP	Buncombe, Henderson, McDowell, Rutherford, Yancey	6 hr
Oct 23, 2:44 PM EDT	Areal Flood Warning	GSP	Buncombe, Haywood, Henderson, Madison, Transylvania	6 hr
Oct 23, 3:04 PM EDT	Areal Flood Advisory	GSP	Avery, Burke, McDowell, Mitchell, Polk, Rutherford	6 hr
Oct 23, 3:09 PM EDT	Areal Flood Advisory	GSP	Avery, Mitchell, Yancey	6 hr
Oct 23, 3:32 PM EDT	Flash Flood Warning	GSP	Avery, Mitchell	6 hr
Oct 23, 3:32 PM EDT	Tornado Warning	GSP	Cleveland	28 min
Oct 23, 3:41 PM EDT	Flash Flood Warning	GSP	Yancey	6 hr
Oct 23, 3:45 PM EDT	Flash Flood Warning	GSP	Burke, McDowell	6 hr
Oct 23, 3:48 PM EDT	River Flood Warning	GSP	Buncombe, Henderson	30 hr
Oct 23, 3:57 PM EDT	River Flood Warning	GSP	Buncombe	16 hr
Oct 23, 3:59 PM EDT	Tornado Warning	GSP	Burke, Catawba, Cleveland, Lincoln, Rutherford	31 min
Oct 23, 4:16 PM EDT	River Flood Advisory	GSP	Haywood	12 hr
Oct 23, 4:25 PM EDT	Tornado Warning Tornado observed	GSP	Alexander, Burke, Caldwell, Catawba	35 min
Oct 23, 4:30 PM EDT	Flash Flood Warning	GSP	Burke, Caldwell	6 hr
Oct 23, 4:30 PM EDT	Special Weather Statement	GSP	Davie, Gaston, Lincoln, Mecklenburg	60 min
Oct 23, 4:41 PM EDT	River Flood Advisory	GSP	Buncombe	12 hr
Oct 23, 4:58 PM EDT	Areal Flood Advisory	GSP	Gaston, Lincoln, Mecklenburg	6 hr
Oct 23, 5:14 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	46 min
Oct 23, 5:18 PM EDT	Areal Flood Advisory	GSP	Burke, Caldwell	6 hr
Oct 23, 5:18 PM EDT	Severe Thunderstorm Warning	GSP	Iredell	11 min
Oct 23, 5:26 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg, Rowan, Union	49 min
Oct 23, 5:36 PM EDT	Severe Thunderstorm Warning	GSP	Davie	24 min
Oct 23, 5:44 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Iredell, Mecklenburg, Rowan	6 hr
Oct 23, 5:48 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Iredell, Rowan	42 min
Oct 23, 6:18 PM EDT	Special Weather Statement	GSP	Union	42 min
Oct 23, 7:03 PM EDT	Areal Flood Warning	GSP	Buncombe, Haywood, Henderson, Madison, Rutherford, Transylvania	6 hr
Oct 23, 7:20 PM EDT	Areal Flood Advisory	GSP	Polk, Rutherford	3 hr
Oct 23, 7:33 PM EDT	Areal Flood Warning	GSP	Avery, Burke, Caldwell, McDowell, Mitchell, Yancey	6 hr

Nearby

Tornado Warnings in North Carolina, 2017 Every tornado warning in 2017 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.