Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 147, NWS Raleigh, NC

June 29, 20128 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jun 29, 2012, 11:15 PM EDT for 8 counties in North Carolina. It was in force for 75 min. 11 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
Jun 29, 2012, 11:15 PM EDT (03:15 UTC)
Expired
Jun 30, 2012, 12:30 AM EDT
In force
75 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Edgecombe County, NC, Franklin County, NC, Halifax County, NC, Johnston County, NC, Nash County, NC, Wake County, NC, Warren County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 62 km from the middle of the area, began a volume at 03:18 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

TimeReportWhereRemark
Jun 29, 11:20 PM EDTTSTM WND DMG2 S Ingleside, NCPOWER LINES DOWN
Jun 29, 11:22 PM EDTTSTM WND DMG2 Ne Louisburg, NCTREE DOWN AT T K ALLEN ROAD AND HIGHWAY 561
Jun 29, 11:22 PM EDTTSTM WND DMG2 Sw Falls Lake, NCTREE DOWN AT FALLS OF NEUSE AND LITCHFORD RD.
Jun 29, 11:28 PM EDTTSTM WND DMGRaleigh, NCTREE ON POWER LINES AT OXFORD RD. AND REAVES DR.
Jun 29, 11:30 PM EDTTSTM WND DMG3 Sse Rolesville, NCTREE DOWN ON MITCHEL MILL RD.
Jun 29, 11:30 PM EDTTSTM WND DMG3 Sw New Hope, NCTREES DOWN AT HAVEN RD AND DONALD ROSS RD.
Jun 29, 11:30 PM EDTTSTM WND DMG4 Sw New Hope, NCTREE ON POWER LINE AT 2801 GLADSTONE DR.
Jun 29, 11:35 PM EDTTSTM WND DMG3 E Garner, NCTREE DOWN AT TIMBER DR. AND WHITE OAK RD.
Jun 29, 11:40 PM EDTTSTM WND DMG4 Nw Spring Hope, NCTREE DOWN SEVEN PATHS ROAD AND ARTHUR WILDER ROAD
Jun 29, 11:55 PM EDTTSTM WND DMG2 Wsw Wilson, NCTREE DOWN ON NEAL DR. AT US-42.
Jun 30, 12:05 AM EDTTSTM WND DMG3 Ssw Wilson, NCWILLOW SPRINGS GOLF CLUB REPORTED 38 TREES BLOWN DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.3 hours before the alert went out and 172 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2012-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2265 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2012-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2265 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
2336 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
32 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.

714 
WUUS52 KRAH 300315
SVRRAH
NCC065-069-083-101-127-183-185-195-300430-
/O.NEW.KRAH.SV.W.0147.120630T0315Z-120630T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1115 PM EDT FRI JUN 29 2012

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EDGECOMBE COUNTY IN CENTRAL NORTH CAROLINA
  FRANKLIN COUNTY IN CENTRAL NORTH CAROLINA
  HALIFAX COUNTY IN CENTRAL NORTH CAROLINA
  WAKE COUNTY IN CENTRAL NORTH CAROLINA
  SOUTHERN WARREN COUNTY IN CENTRAL NORTH CAROLINA
  WILSON COUNTY IN CENTRAL NORTH CAROLINA
  NASH COUNTY IN CENTRAL NORTH CAROLINA
  NORTHEASTERN JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 1230 AM EDT

* AT 1110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM HILLSBOROUGH TO    
  KERR LAKE...  MOVING SOUTHEAST AT 60 MPH. WINDS IN EXCESS OF 58    
  MPH ARE LIKELY WITH THIS STORM.  SEVERE WINDS EXTEND WELL OUT      
  AHEAD OF THESE THUNDERSTORMS.

* LOCATIONS IMPACTED INCLUDE...
  RALEIGH...CENTERVILLE...
  BUNN...LOUISBURG...
  ROCKY MOUNT...ENFIELD...
  CLAYTON...ENFIELD...
  BATTLEBORO...BAILEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL WILL DAMAGE VEHICLES...WINDOWS AND SOME ROOFS. SEVERE
WINDS WILL BLOW DOWN TREES...POWER LINES...AND CAN DAMAGE MOBILE
HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED. STAY AWAY FROM WINDOWS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.

&&

LAT...LON 3600 7740 3582 7735 3557 7781 3560 7805
      3553 7809 3552 7826 3585 7891 3595 7873
      3608 7873 3602 7855 3618 7850 3616 7842
      3627 7830 3620 7801 3652 7790 3649 7764
      3641 7754 3632 7757 3633 7744 3611 7722
TIME...MOT...LOC 0312Z 311DEG 54KT 3644 7794 3594 7868

$$

22
2 follow-up statements
885 
WWUS52 KRAH 300400
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1200 AM EDT SAT JUN 30 2012

NCC065-069-083-101-127-183-185-195-300430-
/O.CON.KRAH.SV.W.0147.000000T0000Z-120630T0430Z/
EDGECOMBE NC-FRANKLIN NC-HALIFAX NC-WAKE NC-WARREN NC-WILSON NC-
NASH NC-JOHNSTON NC-
1200 AM EDT SAT JUN 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR NORTHERN JOHNSTON...NASH...WILSON...SOUTHERN WARREN...WAKE...
HALIFAX...FRANKLIN AND EDGECOMBE COUNTIES...

AT 1154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE SEVERE WINDS...LOCATED ALONG A LINE EXTENDING FROM 
SCOTLAND NECK TO LUCAMA...MOVING SOUTHEAST AT 60 MPH.  IN 
ADDITION...A THUNDERSTORM OVER NORTHERN HALIFAX COUNTY IS ALSO 
CAPABLE OF PRODUCING SEVERE WIND IN EXCESS OF 58 MPH.

HAZARDS IN THE WARNING INCLUDE...
DAMAGING WINDS IN EXCESS OF 58 MPH.

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

LAT...LON 3600 7740 3582 7735 3557 7781 3560 7805
      3553 7809 3552 7826 3585 7891 3595 7873
      3608 7873 3602 7855 3618 7850 3616 7842
      3627 7830 3620 7801 3652 7790 3649 7764
      3641 7754 3632 7757 3633 7744 3611 7722
TIME...MOT...LOC 0358Z 300DEG 53KT 3615 7734 3566 7798

$$

22
764 
WWUS52 KRAH 300425
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1225 AM EDT SAT JUN 30 2012

NCC065-069-083-101-127-183-185-195-300434-
/O.EXP.KRAH.SV.W.0147.000000T0000Z-120630T0430Z/
EDGECOMBE NC-FRANKLIN NC-HALIFAX NC-WAKE NC-WARREN NC-WILSON NC-
NASH NC-JOHNSTON NC-
1225 AM EDT SAT JUN 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN JOHNSTON...NASH...
WILSON...SOUTHERN WARREN...WAKE...HALIFAX...FRANKLIN AND EDGECOMBE
COUNTIES EXPIRES AT 1230 AM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND THE WARNING 
WILL BE ALLOWED TO EXPIRE.

IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE
HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE 1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN RALEIGH.

LAT...LON 3600 7740 3582 7735 3557 7781 3560 7805
      3553 7809 3552 7826 3585 7891 3595 7873
      3608 7873 3602 7855 3618 7850 3616 7842
      3627 7830 3620 7801 3652 7790 3649 7764
      3641 7754 3632 7757 3633 7744 3611 7722
TIME...MOT...LOC 0424Z 300DEG 53KT 3596 7693 3547 7757

$$

22

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 9:55 PM EDTSpecial Weather StatementRAHAlamance, Forsyth, Guilford50 min
Jun 29, 10:04 PM EDTSevere Thunderstorm WarningRAHAlamance, Forsyth, Guilford, Orange, Person56 min
Jun 29, 10:40 PM EDTSevere Thunderstorm WarningRAHDurham, Granville, Vance, Warren50 min
Jun 29, 11:04 PM EDTSpecial Weather StatementRAHChatham, Davidson, Franklin, Randolph, Wake56 min
Jun 29, 11:44 PM EDTSpecial Weather StatementRAHAlamance, Durham, Forsyth, Granville, Guilford, Orange and 3 more91 min
Jun 29, 11:44 PM EDTSevere Thunderstorm WarningRAHHarnett, Johnston, Wake, Wayne, Wilson61 min
Jun 30, 12:07 AM EDTSevere Thunderstorm WarningRAHCumberland, Hoke, Sampson34 min
Jun 30, 3:19 PM EDTExcessive Heat WatchRAHAnson, Chatham, Cumberland, Durham, Edgecombe, Franklin and 20 more26 hr

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning in 2012

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.