Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 2, NWS Greenville-Spartanburg, SC

March 1, 2017Alexander County, Catawba County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 1, 2017, 5:07 PM EST for Alexander County, Catawba County, Iredell County, North Carolina. It was in force for 38 min. 9 reports 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: Mar 1, 2017, 5:07 PM EST (22:07 UTC)
Expired: Mar 1, 2017, 5:45 PM EST
In force: 38 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Alexander County, NC, Catawba County, NC, Iredell County, NC

The radar

The Greer radar (KGSP), 142 km from the middle of the area, began a volume at 22:07 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
Mar 1, 5:12 PM EST	TSTM WND DMG	Hickory, NC	STRUCTURE FIRE DUE TO DOWN POWERLINES ON 12TH STREET.
Mar 1, 5:14 PM EST	TSTM WND DMG	3 Ne Hickory, NC	TREES BLOWN DOWN ON 22ND STREET.
Mar 1, 5:15 PM EST	HAIL 1.5	Conover, NC
Mar 1, 5:17 PM EST	TSTM WND DMG	Conover, NC	STRUCTURE FIRE DUE TO DOWN POWERLINES ON HERMAN SIPE RD.
Mar 1, 5:21 PM EST	TSTM WND DMG	4 Ese Claremont, NC	NUMEROUS TREES AND POWER LINES DOWN BETWEEN CLAREMONT AND CATAWBA.
Mar 1, 5:21 PM EST	HAIL 1.25	St. Stephens, NC
Mar 1, 5:36 PM EST	HAIL 1.75	4 Nw Statesville, NC	GOLF BALL SIZE HAIL REPORTED ON MILLERS FARM ROAD.
Mar 1, 5:37 PM EST	HAIL 1.25	2 W Statesville, NC
Mar 1, 5:42 PM EST	HAIL 1.75	4 Se Statesville, NC

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
Mar 1, 3:02 PM EST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.1 hours before the alert went out and 112 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: 27 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 878 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 312 m²/s²
0-3 km storm-relative helicity: 375 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

708 
WFUS52 KGSP 012207
TORGSP
NCC003-035-097-012245-
/O.NEW.KGSP.TO.W.0002.170301T2207Z-170301T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
507 PM EST WED MAR 1 2017

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Central Catawba County in the Piedmont of North Carolina...
  Southeastern Alexander County in the Piedmont of North Carolina...
  Central Iredell County in the Piedmont of North Carolina...

* Until 545 PM EST
    
* At 507 PM EST, a severe thunderstorm capable of producing a tornado
  was located near Hickory, or near Longview, moving east 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...
  St. Stephens around 510 PM EST. 
  Newton, Conover, Claremont and Lake Hickory around 520 PM EST. 
  Catawba, Lookout Shoals Lake and Stony Point around 530 PM EST. 
  Statesville and Troutman around 540 PM EST. 

Other locations impacted by this dangerous thunderstorm include
Scotts, Oxford and Turnersburg.

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.

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.

&&

LAT...LON 3592 8078 3573 8075 3568 8077 3564 8076
      3567 8143 3568 8143 3576 8137 3577 8135
      3579 8135
TIME...MOT...LOC 2207Z 259DEG 43KT 3572 8136 

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

$$

08

2 follow-up statements

085 
WWUS52 KGSP 012214
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
514 PM EST WED MAR 1 2017

NCC003-035-097-012245-
/O.CON.KGSP.TO.W.0002.000000T0000Z-170301T2245Z/
Catawba NC-Alexander NC-Iredell NC-
514 PM EST WED MAR 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EST FOR
NORTHEASTERN CATAWBA...SOUTHEASTERN ALEXANDER AND CENTRAL IREDELL
COUNTIES...
    
At 514 PM EST, a severe thunderstorm capable of producing a tornado
was located near Hickory, or near St. Stephens, moving east at 50
mph.

HAZARD...Tornado and half dollar size hail. 

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...
  Claremont around 520 PM EST. 
  Lookout Shoals Lake, Catawba and Stony Point around 530 PM EST. 
  Statesville and Troutman around 540 PM EST. 

Other locations impacted by this dangerous storm include Scotts,
Oxford and Turnersburg.

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.

Ahead of the tornado, up to half dollar size hail driven by strong 
winds poses a serious threat of injury, and extensive damage to 
homes and vehicles.

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 3592 8078 3573 8075 3568 8077 3564 8076
      3569 8136 3576 8137 3577 8135 3579 8135
TIME...MOT...LOC 2214Z 259DEG 43KT 3574 8126 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

08

933 
WWUS52 KGSP 012228
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
528 PM EST WED MAR 1 2017

NCC003-035-012237-
/O.CAN.KGSP.TO.W.0002.000000T0000Z-170301T2245Z/
Catawba NC-Alexander NC-
528 PM EST WED MAR 1 2017

...THE TORNADO WARNING FOR NORTHEASTERN CATAWBA AND SOUTHEASTERN
ALEXANDER COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 1000 PM EST for
the Piedmont of North Carolina.

LAT...LON 3592 8078 3573 8075 3567 8077 3570 8097
      3571 8101 3571 8106 3573 8107 3576 8109
      3577 8109 3577 8110 3578 8111 3580 8108
      3586 8104
TIME...MOT...LOC 2227Z 255DEG 40KT 3577 8107 

$$

NCC097-012245-
/O.CON.KGSP.TO.W.0002.000000T0000Z-170301T2245Z/
Iredell NC-
528 PM EST WED MAR 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EST FOR CENTRAL
IREDELL COUNTY...
    
At 527 PM EST, a severe thunderstorm capable of producing a tornado
was located 10 miles west of Statesville, or near Lookout Shoals
Lake, moving east at 45 mph.

HAZARD...Tornado and ping pong ball size hail. 

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...
  Stony Point around 530 PM EST. 
  Statesville and Troutman around 540 PM EST. 

Other locations impacted by this dangerous storm include Scotts and
Turnersburg.

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.

Ahead of the tornado, up to ping pong ball size hail driven by 
strong winds poses a serious threat of injury, and extensive damage 
to homes and vehicles.

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 3592 8078 3573 8075 3567 8077 3570 8097
      3571 8101 3571 8106 3573 8107 3576 8109
      3577 8109 3577 8110 3578 8111 3580 8108
      3586 8104
TIME...MOT...LOC 2227Z 255DEG 40KT 3577 8107 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

08

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 2:35 PM EST	Wind Advisory	GSP	Avery, Buncombe, Burke, Caldwell, Henderson, McDowell and 4 more	21 hr
Mar 1, 3:53 PM EST	Special Weather Statement	GSP	Madison, Mitchell, Swain, Yancey	67 min
Mar 1, 4:17 PM EST	Severe Thunderstorm Warning	GSP	Graham, Swain	43 min
Mar 1, 4:34 PM EST	Severe Thunderstorm Warning	GSP	Burke, Caldwell, Catawba, McDowell	41 min
Mar 1, 4:40 PM EST	Tornado Warning	GSP	Burke, Catawba	35 min
Mar 1, 5:03 PM EST	Severe Thunderstorm Warning	GSP	Cleveland, Polk, Rutherford	42 min
Mar 1, 5:30 PM EST	Special Weather Statement	GSP	Catawba	30 min
Mar 1, 5:40 PM EST	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	35 min
Mar 1, 5:45 PM EST	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln	45 min
Mar 1, 6:19 PM EST	Severe Thunderstorm Warning	GSP	Cabarrus, Gaston, Iredell, Lincoln, Mecklenburg, Rowan	56 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.