Alert archive / North Carolina / Tornado Warnings in 2014

Tornado Warning 5, NWS Raleigh, NC

January 11, 2014Johnston County, North Carolina

NWS Raleigh, NC issued this tornado warning at Jan 11, 2014, 2:20 PM EST for Johnston County, North Carolina. It was in force for 25 min. 2 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: Jan 11, 2014, 2:20 PM EST (19:20 UTC)
Expired: Jan 11, 2014, 2:45 PM EST
In force: 25 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

County Johnston County, NC

The radar

The Raleigh/Durham radar (KRAX), 26 km from the middle of the area, began a volume at 19:21 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
Jan 11, 2:30 PM EST	TSTM WND DMG	3 Wnw Selma, NC	MULTIPLE TEES DOWN IN ROAD.
Jan 11, 2:38 PM EST	TSTM WND DMG	1 N Princeton, NC	MEDIA REPORT OF A BARN BLOWN OVER ON OLD ROCK QUARRY ROAD NEAR PRINCETON. TIME ESTIMATED BY RADAR. RADAR SUGGESTS STRAIGHT-LINE WIND 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.

Issued	Product	Office	Lasted
Jan 11, 11:50 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 7.3 hours before the alert went out and 152 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: 590 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 670 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

654 
WFUS52 KRAH 111920
TORRAH
NCC101-111945-
/O.NEW.KRAH.TO.W.0005.140111T1920Z-140111T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
220 PM EST SAT JAN 11 2014

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 245 PM EST
    
* AT 220 PM EST...DOPPLER RADAR INDICATED A SEVERE SQUALL LINE
  CAPABLE OF PRODUCING A TORNADO AS WELL AS DAMAGING STRAIGHT LINE
  WINDS. THESE DANGEROUS STORMS WERE LOCATED OVER WILSON'S MILLS...OR
  7 MILES NORTH OF SMITHFIELD...AND MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SMITHFIELD...CLAYTON...WILSON'S MILLS...WEST SMITHFIELD...SELMA...
  FOUR OAKS...PINE LEVEL...KENLY...PRINCETON...MICRO...FLOWERS AND
  EMIT.

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 IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

THIS CLUSTER OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 3548 7812 3547 7813 3545 7845 3568 7847
      3578 7825 3577 7825 3571 7816 3561 7813
      3558 7807
TIME...MOT...LOC 1920Z 241DEG 55KT 3561 7835 
$$

ELLIS

1 follow-up statement

884 
WWUS52 KRAH 111937
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
237 PM EST SAT JAN 11 2014

NCC101-111947-
/O.EXP.KRAH.TO.W.0005.000000T0000Z-140111T1945Z/
JOHNSTON NC-
237 PM EST SAT JAN 11 2014

...THE TORNADO WARNING FOR JOHNSTON COUNTY WILL EXPIRE AT 245 PM
EST...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3548 7812 3547 7813 3545 7845 3568 7847
      3578 7825 3577 7825 3571 7816 3561 7813
      3558 7807
TIME...MOT...LOC 1935Z 241DEG 55KT 3561 7835 

$$

ELLIS

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 10, 9:01 PM EST	Special Weather Statement	RAH	Cumberland	44 min
Jan 10, 9:16 PM EST	Special Weather Statement	RAH	Cumberland	44 min
Jan 10, 9:26 PM EST	Special Weather Statement	RAH	Sampson	49 min
Jan 10, 9:29 PM EST	Areal Flood Advisory	RAH	Cumberland	2 hr
Jan 10, 9:32 PM EST	Severe Thunderstorm Warning	RAH	Johnston, Sampson, Wayne	28 min
Jan 10, 10:08 PM EST	Special Weather Statement	RAH	Wayne	52 min
Jan 10, 10:39 PM EST	Special Weather Statement	RAH	Franklin, Johnston, Nash, Wake, Wilson	66 min
Jan 11, 6:58 AM EST	Special Weather Statement	RAH	Davidson, Forsyth, Guilford	77 min
Jan 11, 8:26 AM EST	Special Weather Statement	RAH	Alamance, Durham, Orange, Person	49 min
Jan 11, 9:15 AM EST	Special Weather Statement	RAH	Chatham, Durham, Franklin, Granville, Vance, Wake and 1 more	75 min
Jan 11, 9:38 AM EST	Special Weather Statement	RAH	Alamance, Chatham, Durham, Granville, Orange, Person	52 min
Jan 11, 10:38 AM EST	Special Weather Statement	RAH	Chatham, Durham, Granville, Lee, Vance	52 min
Jan 11, 10:49 AM EST	Special Weather Statement	RAH	Harnett, Johnston, Wake	56 min
Jan 11, 11:58 AM EST	Special Weather Statement	RAH	Davidson, Forsyth, Guilford, Randolph	62 min
Jan 11, 12:06 PM EST	Severe Thunderstorm Warning	RAH	Anson, Montgomery, Richmond, Stanly	39 min
Jan 11, 12:11 PM EST	Areal Flood Advisory	RAH	Alamance, Davidson, Forsyth, Guilford, Randolph	3 hr
Jan 11, 12:20 PM EST	Severe Thunderstorm Warning	RAH	Davidson, Forsyth, Guilford, Randolph	40 min
Jan 11, 12:45 PM EST	Severe Thunderstorm Warning	RAH	Anson, Montgomery, Moore, Richmond	60 min
Jan 11, 12:50 PM EST	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Guilford, Randolph	55 min
Jan 11, 1:21 PM EST	Severe Thunderstorm Warning	RAH	Chatham, Durham, Orange	54 min
Jan 11, 1:22 PM EST	Severe Thunderstorm Warning	RAH	Harnett, Hoke, Lee, Moore	38 min
Jan 11, 1:23 PM EST	Tornado Warning	RAH	Alamance, Chatham, Orange	37 min
Jan 11, 1:31 PM EST	Special Weather Statement	RAH	Cumberland, Johnston, Sampson	59 min
Jan 11, 1:41 PM EST	Tornado Warning	RAH	Chatham, Durham, Orange, Wake	34 min
Jan 11, 1:42 PM EST	Areal Flood Advisory	RAH	Durham, Orange, Person	2 hr
Jan 11, 1:45 PM EST	Severe Thunderstorm Warning	RAH	Franklin, Granville, Person, Vance, Wake	60 min
Jan 11, 1:45 PM EST	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Johnston, Nash, Sampson, Wayne and 1 more	60 min
Jan 11, 2:01 PM EST	Tornado Warning	RAH	Durham, Johnston, Wake	29 min
Jan 11, 2:13 PM EST	Tornado Warning	RAH	Franklin, Granville, Vance, Wake	32 min
Jan 11, 2:22 PM EST	Severe Thunderstorm Warning	RAH	Halifax, Nash, Warren	53 min
Jan 11, 2:34 PM EST	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Wayne, Wilson	56 min
Jan 11, 3:08 PM EST	Special Weather Statement	RAH	Sampson	37 min
Jan 11, 4:55 PM EST	Areal Flood Advisory	RAH	Moore	6 hr
Jan 11, 4:55 PM EST	River Flood Warning	RAH	Alamance	23 hr
Jan 11, 5:48 PM EST	River Flood Warning	RAH	Chatham	32 hr

Nearby

Tornado Warnings in North Carolina, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.