Alert archive / North Carolina / Tornado Warnings in 2007

Tornado Warning 9, NWS Greenville-Spartanburg, SC

April 15, 2007Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 15, 2007, 2:34 PM EDT for Iredell County, North Carolina. It was in force for 41 min. 3 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: Apr 15, 2007, 2:34 PM EDT (18:34 UTC)
Expired: Apr 15, 2007, 3:15 PM EDT
In force: 41 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

County Iredell County, NC

The radar

The Roanoke radar (KFCX), 131 km from the middle of the area, began a volume at 18:34 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
Apr 15, 2:55 PM EDT	TSTM WND DMG	Harmony, NC	COUNTY REPORTS BACK HALF OF A ROOF ON A MOBILE HOME BLOWN OFF ON TOMLIN MILL RD. JUST TO THE SOUTHWEST OF HARMONY.
Apr 15, 3:15 PM EDT	EXTR WIND CHILL 0	10 Ne Statesville, NC	SPOTTER REPORTS POWER LINES DOWN ON OLIN LOOP ROAD.
Apr 15, 3:15 PM EDT	TSTM WND DMG	10 Ne Statesville, NC	SPOTTER REPORTS POWER LINES DOWN ON OLIN LOOP ROAD.

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
Apr 15, 12:42 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.6 hours before the alert went out and 90 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: 21 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 510 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 273 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KGSP 151835
TORGSP
NCC097-151915-
/O.NEW.KGSP.TO.W.0009.070415T1834Z-070415T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
234 PM EDT SUN APR 15 2007

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 315 PM EDT

* AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES
  SOUTHWEST OF HARMONY...OR ABOUT 9 MILES NORTHWEST OF STATESVILLE...
  MOVING NORTHEAST AT 25 MPH.

* THE TORNADO EXPECTED TO BE NEAR...
  INTERSTATE 77...10 MILES NORTHWEST OF TURNERSBURG AROUND 250 PM 
  EDT...
  HARMONY AROUND 255 PM EDT...

MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS. MAKE SURE THERE ARE AS MANY WALLS AND FLOORS
BETWEEN YOU AND THE OUTSIDE AS POSSIBLE.

TO REPORT TORNADOES...DAMAGING WINDS...LARGE HAIL...OR FLOODING...
THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3597 8100 3582 8105 3586 8071 3604 8068
      3605 8091

$$

GMS

2 follow-up statements

000 
WWUS52 KGSP 151853
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
253 PM EDT SUN APR 15 2007

NCC097-151915-
/O.CON.KGSP.TO.W.0009.000000T0000Z-070415T1915Z/
IREDELL NC-
253 PM EDT SUN APR 15 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR NORTHERN
IREDELL COUNTY...

AT 250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HARMONY...OR ABOUT
12 MILES WEST OF MOCKSVILLE...MOVING EAST AT 25 MPH.

LAT...LON 3597 8100 3582 8105 3586 8071 3604 8068
      3605 8091

$$

GMS

000 
WWUS52 KGSP 151915
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
314 PM EDT SUN APR 15 2007

NCC097-151924-
/O.EXP.KGSP.TO.W.0009.000000T0000Z-070415T1915Z/
IREDELL NC-
314 PM EDT SUN APR 15 2007

...THE TORNADO WARNING FOR NORTHERN IREDELL COUNTY EXPIRES AT 315 PM
EDT...

THE STORM WILL MOVE OUT OF IREDELL COUNTY BY 320 PM EDT.

LAT...LON 3597 8100 3582 8105 3586 8071 3604 8068
      3605 8091

$$

GMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 9:58 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	36 min
Apr 15, 3:34 AM EDT	High Wind Warning	GSP	Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more	56 hr
Apr 15, 3:34 AM EDT	Wind Advisory	GSP	Alexander, Cabarrus, Catawba, Cleveland, Davie, Gaston and 5 more	40 hr
Apr 15, 5:45 AM EDT	Freeze Warning	GSP	Avery, Buncombe, Graham, Haywood, Jackson, Macon and 5 more	27 hr
Apr 15, 12:01 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	29 min
Apr 15, 12:09 PM EDT	Severe Thunderstorm Warning	GSP	Burke	66 min
Apr 15, 12:38 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	67 min
Apr 15, 2:02 PM EDT	Tornado Warning	GSP	Alexander	29 min
Apr 15, 3:18 PM EDT	Freeze Watch	GSP	Avery, Buncombe, Graham, Haywood, Jackson, Macon and 4 more	12 hr
Apr 15, 4:02 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	29 min
Apr 15, 4:14 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	46 min
Apr 15, 4:40 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	35 min

Nearby

Tornado Warnings in North Carolina, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.