Alert archive / North Carolina / Tornado Warnings in 2004

Tornado Warning 13, NWS Raleigh, NC

August 13, 2004Franklin County, North Carolina

NWS Raleigh, NC issued this tornado warning at Aug 13, 2004, 6:39 PM EDT for Franklin County, North Carolina. It was in force for 36 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: Aug 13, 2004, 6:39 PM EDT (22:39 UTC)
Expired: Aug 13, 2004, 7:15 PM EDT
In force: 36 min
Issued by: NWS Raleigh, NC
Area: Counties, with a storm outline in the text

County Franklin County, NC

The radar

The Raleigh/Durham radar (KRAX), 63 km from the middle of the area, began a volume at 22:51 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.7 hours before the alert went out and 147 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: 34 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 610 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 106 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.

000 
WFUS52 KRAH 132239
TORRAH
NCC069-132315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
640 PM EDT FRI AUG 13 2004

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN FRANKLIN COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 715 PM EDT

* AT 640 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER KEARNEY...OR ABOUT 6 MILES NORTHEAST OF LOUISBURG...
  MOVING NORTHEAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GUPTON...

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 3624 7824 3624 7816 3620 7809 3620 7804
      3605 7830 3616 7842 3617 7840 3622 7839
      3622 7834 3626 7831

$$

23

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 6:15 PM EDT	Severe Thunderstorm Warning	RAH	Stanly	45 min
Aug 13, 6:24 PM EDT	Tornado Warning	RAH	Chatham, Wake	51 min
Aug 13, 6:51 PM EDT	Flash Flood Warning	RAH	Durham, Wake	114 min
Aug 13, 7:01 PM EDT	Severe Thunderstorm Warning	RAH	Wake	59 min
Aug 13, 7:10 PM EDT	Tornado Warning	RAH	Orange	35 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.