Alert archive / North Carolina / Tornado Warnings in 2008

Tornado Warning 22, NWS Raleigh, NC

May 9, 2008Granville County, Person County, North Carolina

NWS Raleigh, NC issued this tornado warning at May 9, 2008, 12:54 AM EDT for Granville County, Person 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: May 9, 2008, 12:54 AM EDT (04:54 UTC)
Expired: May 9, 2008, 1:30 AM EDT
In force: 36 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

Counties Granville County, NC, Person County, NC

The radar

The Raleigh/Durham radar (KRAX), 95 km from the middle of the area, began a volume at 04:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 8, 7:20 PM EDT	Tornado Watch	SPC	8 hr
May 8, 8:38 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.9 hours before the alert went out and 91 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: 1104 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 995 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 184 m²/s²
0-3 km storm-relative helicity: 331 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KRAH 090454
TORRAH
NCC077-145-090530-
/O.NEW.KRAH.TO.W.0022.080509T0454Z-080509T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1254 AM EDT FRI MAY 9 2008

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  PERSON COUNTY IN CENTRAL NORTH CAROLINA
  NORTHWESTERN GRANVILLE COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 130 AM EDT

* AT 1249 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 6 MILES NORTHWEST OF BUSHY FORK...OR 8 MILES NORTH OF
  PROSPECT HILL...MOVING NORTHEAST AT 39 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CONCORD...ROXBORO...
  BETHEL HILL...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF THE
BUILDING IN A SMALL ROOM SUCH AS A CLOSET OR BATHROOM OR IN AN
INTERIOR HALLWAY. USE BLANKETS OR PILLOWS TO PROTECT YOUR BODY FROM
FLYING DEBRIS. STAY AWAY FROM WINDOWS AND EXTERIOR WALLS.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. TAKE COVER NOW IF A BASEMENT IS NOT AVAILABLE...MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS
AND EXTERIOR WALLS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT FRIDAY MORNING FOR
CENTRAL NORTH CAROLINA.

LAT...LON 3628 7918 3634 7916 3648 7916 3657 7901
      3656 7884 3655 7883 3656 7864 3638 7863
      3626 7916
TIME...MOT...LOC 0454Z 237DEG 34KT 3638 7912

$$

WSS

2 follow-up statements

000 
WWUS52 KRAH 090509
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
109 AM EDT FRI MAY 9 2008

NCC077-145-090530-
/O.CON.KRAH.TO.W.0022.000000T0000Z-080509T0530Z/
PERSON NC-GRANVILLE NC-
109 AM EDT FRI MAY 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR
NORTHWESTERN GRANVILLE AND PERSON COUNTIES...

AT 107 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED JUST WEST OF 
ROXBORO...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... OAK HILL AND BETHEL
HILL.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. TAKE COVER NOW IF A BASEMENT IS NOT AVAILABLE...MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS
AND EXTERIOR WALLS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT FRIDAY MORNING FOR
CENTRAL NORTH CAROLINA.

LAT...LON 3628 7918 3634 7916 3648 7916 3657 7901
      3656 7884 3655 7883 3656 7864 3638 7863
      3626 7916
TIME...MOT...LOC 0509Z 240DEG 16KT 3642 7903

$$

WSS

000 
WWUS52 KRAH 090518
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
116 AM EDT FRI MAY 9 2008

NCC077-145-090530-
/O.CON.KRAH.TO.W.0022.000000T0000Z-080509T0530Z/
PERSON NC-GRANVILLE NC-
116 AM EDT FRI MAY 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR
NORTHWESTERN GRANVILLE AND PERSON COUNTIES...

AT 115 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NORTH OF 
ROXBORO...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... OAK HILL AND BETHEL
HILL.

ANOTHER STORM WITH A POSSIBLE TORNADO WAS LOCATED 3 MILES SOUTHWEST 
OF BUSHY FORK. THIS STORM WAS MOVING NORTHEAST AT 40 MPH AND WILL 
MOVE TOWARD ROXBORO.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. TAKE COVER NOW IF A BASEMENT IS NOT AVAILABLE...MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS
AND EXTERIOR WALLS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT FRIDAY MORNING FOR
CENTRAL NORTH CAROLINA.

LAT...LON 3628 7918 3634 7916 3648 7916 3657 7901
      3656 7884 3655 7883 3656 7864 3638 7863
      3626 7916
TIME...MOT...LOC 0516Z 240DEG 16KT 3643 7900

$$

WSS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 8:17 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Montgomery, Randolph, Stanly	43 min
May 8, 8:47 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Guilford, Randolph	43 min
May 8, 9:12 PM EDT	Tornado Warning	RAH	Guilford, Randolph	33 min
May 8, 9:23 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Granville, Person	52 min
May 8, 9:49 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Forsyth	56 min
May 8, 10:16 PM EDT	Tornado Warning	RAH	Davidson, Forsyth	44 min
May 8, 10:56 PM EDT	Areal Flood Advisory	RAH	Forsyth	3 hr
May 8, 10:58 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Forsyth, Guilford	47 min
May 8, 11:09 PM EDT	Tornado Warning	RAH	Davidson, Forsyth, Guilford	51 min
May 8, 11:31 PM EDT	Flash Flood Warning	RAH	Davidson, Forsyth, Guilford	3 hr
May 8, 11:34 PM EDT	Tornado Warning	RAH	Alamance, Guilford	41 min
May 9, 12:00 AM EDT	Severe Thunderstorm Warning	RAH	Forsyth, Guilford	45 min
May 9, 12:11 AM EDT	Tornado Warning	RAH	Alamance, Guilford	49 min
May 9, 12:57 AM EDT	Tornado Warning	RAH	Alamance	19 min
May 9, 1:28 AM EDT	Tornado Warning	RAH	Granville, Person	47 min
May 9, 1:47 AM EDT	Severe Thunderstorm Warning	RAH	Person	28 min
May 9, 7:05 AM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Nash	40 min
May 9, 7:27 AM EDT	Tornado Warning	RAH	Halifax	18 min

Nearby

Tornado Warnings in North Carolina, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.