Alert archive / North Carolina / Tornado Warnings in 2015

Tornado Warning 4, NWS Raleigh, NC

July 13, 2015Sampson County, North Carolina

NWS Raleigh, NC issued this tornado warning at Jul 13, 2015, 11:45 AM EDT for Sampson County, North Carolina. It was in force for 45 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: Jul 13, 2015, 11:45 AM EDT (15:45 UTC)
Expired: Jul 13, 2015, 12:30 PM EDT
In force: 45 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

County Sampson County, NC

The radar

The Wilmington radar (KLTX), 78 km from the middle of the area, began a volume at 15:44 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 nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 3.8 hours before the alert went out and 126 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: 876 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 892 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

953 
WFUS52 KRAH 131545
TORRAH
NCC163-131630-
/O.NEW.KRAH.TO.W.0004.150713T1545Z-150713T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1145 AM EDT MON JUL 13 2015

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN SAMPSON COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 1230 PM EDT
    
* AT 1145 AM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 7
  MILES WEST OF HARRELLS...OR 17 MILES EAST OF ELIZABETHTOWN...AND
  MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HARRELLS AND IVANHOE. 

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

&&

LAT...LON 3458 7826 3461 7831 3463 7832 3467 7832
      3469 7835 3470 7837 3473 7839 3480 7834
      3475 7820 3474 7820 3471 7813 3472 7811
      3471 7811 3468 7816 3455 7825
TIME...MOT...LOC 1545Z 299DEG 20KT 3469 7832 

$$

WSS

3 follow-up statements

593 
WWUS52 KRAH 131554
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1154 AM EDT MON JUL 13 2015

NCC163-131630-
/O.CON.KRAH.TO.W.0004.000000T0000Z-150713T1630Z/
SAMPSON NC-
1154 AM EDT MON JUL 13 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM EDT FOR
SOUTHEASTERN SAMPSON COUNTY...
    
AT 1153 AM EDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO AND LARGE HAIL. THIS 
DANGEROUS STORM WAS LOCATED NEAR HARRELLS...OR 16 MILES WEST OF 
WALLACE...MOVING SOUTHEAST AT 20 MPH. IN ADDITION TO A 
TORNADO...LARGE HAIL UP TO PING PONG BALL SIZE IS EXPECTED WITH THIS 
STORM.

LOCATIONS IMPACTED INCLUDE...
HARRELLS AND IVANHOE. 

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

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL AUTHORITY WHO WILL RELAY YOUR
REPORT. THIS ACT MAY SAVE THE LIVES OF OTHERS IN THE PATH OF
DANGEROUS WEATHER.


&&

LAT...LON 3458 7826 3461 7831 3463 7832 3467 7832
      3469 7835 3470 7837 3472 7834 3475 7830
      3475 7820 3474 7820 3471 7813 3472 7811
      3471 7811 3468 7816 3455 7825
TIME...MOT...LOC 1553Z 298DEG 19KT 3468 7829 

$$

WSS

215 
WWUS52 KRAH 131608
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1208 PM EDT MON JUL 13 2015

NCC163-131630-
/O.CON.KRAH.TO.W.0004.000000T0000Z-150713T1630Z/
SAMPSON NC-
1208 PM EDT MON JUL 13 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM EDT FOR
SOUTHEASTERN SAMPSON COUNTY...
    
AT 1208 PM EDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM 
WAS LOCATED 7 MILES SOUTH OF HARRELLS...OR 15 MILES SOUTHWEST OF 
WALLACE...MOVING SOUTHEAST AT 20 MPH. IN ADDITION TO A 
TORNADO...LARGE HAIL UP TO PING PONG BALL SIZE IS EXPECTED WITH THIS 
STORM.

LOCATIONS IMPACTED INCLUDE...
IVANHOE.

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

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL AUTHORITY WHO WILL RELAY YOUR
REPORT. THIS ACT MAY SAVE THE LIVES OF OTHERS IN THE PATH OF
DANGEROUS WEATHER.

&&

LAT...LON 3458 7826 3461 7831 3463 7832 3466 7830
      3468 7828 3469 7826 3470 7821 3471 7818
      3471 7813 3470 7813 3468 7816 3455 7825
TIME...MOT...LOC 1608Z 306DEG 19KT 3462 7823 

$$

WSS

840 
WWUS52 KRAH 131622
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1222 PM EDT MON JUL 13 2015

NCC163-131632-
/O.EXP.KRAH.TO.W.0004.000000T0000Z-150713T1630Z/
SAMPSON NC-
1222 PM EDT MON JUL 13 2015

...THE TORNADO WARNING FOR SOUTHEASTERN SAMPSON COUNTY WILL EXPIRE AT
1230 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3458 7826 3461 7831 3463 7832 3466 7830
      3468 7828 3469 7826 3470 7821 3471 7818
      3471 7813 3470 7813 3468 7816 3455 7825
TIME...MOT...LOC 1621Z 299DEG 20KT 3462 7823 

$$

WSS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 6:00 AM EDT	Special Weather Statement	RAH	Wake	60 min
Jul 13, 6:19 AM EDT	Special Weather Statement	RAH	Wake	56 min
Jul 13, 6:53 AM EDT	Special Weather Statement	RAH	Johnston	52 min
Jul 13, 7:04 AM EDT	Special Weather Statement	RAH	Harnett	56 min
Jul 13, 7:21 AM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston, Wake	54 min
Jul 13, 7:59 AM EDT	Special Weather Statement	RAH	Wayne	46 min
Jul 13, 8:14 AM EDT	Special Weather Statement	RAH	Wayne	61 min
Jul 13, 10:19 AM EDT	Special Weather Statement	RAH	Wayne	56 min
Jul 13, 11:21 AM EDT	Special Weather Statement	RAH	Wayne	24 min
Jul 13, 12:46 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Sampson	59 min
Jul 13, 2:18 PM EDT	Special Weather Statement	RAH	Cumberland	57 min
Jul 13, 2:20 PM EDT	Special Weather Statement	RAH	Hoke	55 min
Jul 13, 2:44 PM EDT	Areal Flood Advisory	RAH	Cumberland	2 hr
Jul 13, 2:58 PM EDT	Special Weather Statement	RAH	Harnett	62 min
Jul 13, 6:03 PM EDT	Special Weather Statement	RAH	Davidson	42 min
Jul 13, 6:30 PM EDT	Special Weather Statement	RAH	Stanly	45 min
Jul 13, 6:38 PM EDT	Areal Flood Advisory	RAH	Davidson	3 hr
Jul 13, 7:18 PM EDT	Special Weather Statement	RAH	Alamance, Forsyth, Guilford	57 min
Jul 13, 7:27 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Moore, Randolph	63 min
Jul 13, 7:46 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth	59 min

Nearby

Tornado Warnings in North Carolina, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.