Alert archive / North Carolina / Tornado Warnings in 2004

Tornado Warning 51, NWS Raleigh, NC

October 13, 2004Johnston County, Nash County, North Carolina

NWS Raleigh, NC issued this tornado warning at Oct 13, 2004, 7:07 PM EDT for Johnston County, Nash County, North Carolina. It was in force for 38 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 13, 2004, 7:07 PM EDT (23:07 UTC)
Expired: Oct 13, 2004, 7:45 PM EDT
In force: 38 min
Issued by: NWS Raleigh, NC
Area: Counties, with a storm outline in the text

Counties Johnston County, NC, Nash County, NC

The radar

The Raleigh/Durham radar (KRAX), 23 km from the middle of the area, began a volume at 23:09 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, 11.1 hours before the alert went out and 155 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: 272 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 881 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KRAH 132307
TORRAH
NCC101-127-132345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
706 PM EDT WED OCT 13 2004

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTHERN JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA
  SOUTHERN NASH COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 745 PM EDT

* AT 706 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES NORTH OF EMIT...OR ABOUT 19 MILES EAST OF
  RALEIGH...MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MIDDLESEX...SAMARIA...
  BAILEY...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS. STAY AWAY FROM WINDOWS AND EXTERIOR WALLS AS FLYING DEBRIS
GENERATED BY TORNADIC WINDS CAN BE DEADLY.

LAT...LON 3552 7870 3569 7848 3581 7825 3590 7820
      3589 7793 3589 7793 3582 7795 3573 7819
      3560 7813 3558 7807 3542 7816 3536 7816
      3528 7832 3526 7848

$$

WSS

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 6:41 AM EDT	Severe Thunderstorm Warning	RAH	Stanly	19 min
Oct 13, 6:55 AM EDT	Severe Thunderstorm Warning	RAH	Montgomery	35 min
Oct 13, 5:35 PM EDT	Tornado Warning	RAH	Person	25 min
Oct 13, 6:41 PM EDT	Severe Thunderstorm Warning	RAH	Wake	34 min
Oct 13, 6:48 PM EDT	Tornado Warning	RAH	Wake	12 min
Oct 13, 6:57 PM EDT	Tornado Warning	RAH	Wake	18 min
Oct 13, 7:10 PM EDT	Severe Thunderstorm Warning	RAH	Orange	35 min
Oct 13, 7:45 PM EDT	Tornado Warning	RAH	Nash, Wilson	30 min

Nearby

Tornado Warnings in North Carolina, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.