Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 69, NWS Raleigh, NC

May 9, 2012Cumberland County, Sampson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 9, 2012, 4:57 PM EDT for Cumberland County, Sampson County, North Carolina. It was in force for 48 min. 1 report 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
May 9, 2012, 4:57 PM EDT (20:57 UTC)
Expired
May 9, 2012, 5:45 PM EDT
In force
48 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Cumberland County, NC, Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 61 km from the middle of the area, began a volume at 21:00 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
May 9, 5:25 PM EDTTSTM WND DMG7 Ssw Clinton, NCFOUR TREES WERE BLOWN DOWN AROUND CLINTON BETWEEN 525 PM AND 537 PM EDT.

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

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.0 hours before the alert went out and 150 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, Newport, NC at 12:00Z on 2012-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 598 joules per kilogram.LCLEL10008507005003002001001 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, Newport, NC at 12:00Z on 2012-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939Sfc1 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
598 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
73 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.

464 
WUUS52 KRAH 092057
SVRRAH
NCC051-163-092215-
/O.NEW.KRAH.SV.W.0069.120509T2057Z-120509T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
457 PM EDT WED MAY 9 2012

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CUMBERLAND COUNTY IN CENTRAL NORTH CAROLINA
  SAMPSON COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 615 PM EDT

* AT 455 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES WEST OF GARLAND...OR 11 MILES NORTH OF
  ELIZABETHTOWN...MOVING NORTHEAST AT 30 MPH. WINDS IN EXCESS OF 58
  MPH ARE LIKELY WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  ROSEBORO...
  SALEMBURG...
  CLINTON...
  HOBBTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRAIGHT LINE WINDS CAN BLOW DOWN TREES...POWER LINES...AND DAMAGE
MOBILE HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. STAY AWAY FROM WINDOWS AS FLYING DEBRIS
GENERATED BY DAMAGING WINDS CAN BE DEADLY.

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 3485 7850 3485 7862 3509 7867 3514 7863
      3517 7863 3520 7865 3520 7863 3530 7858
      3531 7855 3526 7847 3526 7841 3529 7831
      3522 7824 3520 7816 3505 7815 3475 7841
TIME...MOT...LOC 2057Z 212DEG 25KT 3479 7855

$$

MWS
4 follow-up statements
190 
WWUS52 KRAH 092108
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
508 PM EDT WED MAY 9 2012

NCC051-163-092215-
/O.CON.KRAH.SV.W.0069.000000T0000Z-120509T2215Z/
CUMBERLAND NC-SAMPSON NC-
508 PM EDT WED MAY 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SAMPSON AND SOUTHEASTERN CUMBERLAND COUNTIES...

AT 505 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 8 MILES
NORTHWEST OF GARLAND...OR 15 MILES SOUTHWEST OF CLINTON...MOVING
NORTHEAST AT 30 MPH.

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

LOCATIONS IN THE PATH OF THE STORM INCLUDE... AUTRYVILLE...
ROSEBORO...SALEMBURG...SPIVEY'S CORNER...HOBBTON AND NEWTON GROVE.

STRAIGHT LINE WINDS CAN BLOW DOWN TREES...POWER LINES...AND DAMAGE
MOBILE HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. STAY AWAY FROM WINDOWS AS FLYING DEBRIS
GENERATED BY DAMAGING WINDS CAN BE DEADLY.

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 3485 7850 3485 7862 3509 7867 3514 7863
      3517 7863 3520 7865 3520 7863 3530 7858
      3531 7855 3526 7847 3526 7841 3529 7831
      3522 7824 3520 7816 3505 7815 3475 7841
TIME...MOT...LOC 2108Z 212DEG 25KT 3486 7850

$$

MWS
896 
WWUS52 KRAH 092128
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
528 PM EDT WED MAY 9 2012

NCC051-092137-
/O.CAN.KRAH.SV.W.0069.000000T0000Z-120509T2215Z/
CUMBERLAND NC-
528 PM EDT WED MAY 9 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CUMBERLAND COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND 
THE WARNING IS NO LONGER IN EFFECT. 

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 3491 7854 3498 7863 3504 7866 3509 7867
      3514 7863 3520 7865 3520 7863 3530 7858
      3531 7855 3526 7847 3525 7841 3528 7831
      3523 7825 3520 7816 3519 7816 3505 7815
      3475 7841
TIME...MOT...LOC 2127Z 206DEG 37KT 3503 7841

$$

NCC163-092215-
/O.CON.KRAH.SV.W.0069.000000T0000Z-120509T2215Z/
SAMPSON NC-
528 PM EDT WED MAY 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SAMPSON COUNTY...

AT 523 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR
SALEMBURG...OR NEAR CLINTON...MOVING NORTHEAST AT 45 MPH.

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

LOCATIONS IN THE PATH OF THE STORM INCLUDE... SPIVEY'S CORNER...
HOBBTON AND NEWTON GROVE.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF 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 3491 7854 3498 7863 3504 7866 3509 7867
      3514 7863 3520 7865 3520 7863 3530 7858
      3531 7855 3526 7847 3525 7841 3528 7831
      3523 7825 3520 7816 3519 7816 3505 7815
      3475 7841
TIME...MOT...LOC 2127Z 206DEG 37KT 3503 7841

$$

MWS
957 
WWUS52 KRAH 092138
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
538 PM EDT WED MAY 9 2012

NCC163-092215-
/O.CON.KRAH.SV.W.0069.000000T0000Z-120509T2215Z/
SAMPSON NC-
538 PM EDT WED MAY 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR EASTERN SAMPSON COUNTY...

AT 537 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR
HOBBTON...OR 11 MILES NORTH OF CLINTON...MOVING NORTHEAST AT 35 MPH.

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

LOCATIONS IN THE PATH OF THE STORM INCLUDE... NEWTON GROVE.

STRAIGHT LINE WINDS CAN BLOW DOWN TREES...POWER LINES...AND DAMAGE
MOBILE HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. STAY AWAY FROM WINDOWS AS FLYING DEBRIS
GENERATED BY DAMAGING WINDS CAN BE DEADLY.

THIS STORM WILL PRODUCE HEAVY RAINFALL...WHICH WILL FLOOD LOW LYING
AREAS SUCH AS DITCHES...UNDERPASSES AND OTHER AREAS OF POOR DRAINAGE.
AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. MOTORISTS SHOULD
ALSO REDUCE DRIVING SPEEDS TO AVOID HYDROPLANING.

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 3479 7837 3490 7837 3501 7848 3513 7849
      3526 7860 3529 7858 3531 7855 3526 7849
      3525 7841 3528 7831 3522 7824 3520 7816
      3504 7816
TIME...MOT...LOC 2138Z 216DEG 32KT 3516 7831

$$

MWS
122 
WWUS52 KRAH 092145
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
545 PM EDT WED MAY 9 2012

NCC163-092154-
/O.CAN.KRAH.SV.W.0069.000000T0000Z-120509T2215Z/
SAMPSON NC-
545 PM EDT WED MAY 9 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SAMPSON COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF 
THE AREA...AND THE WARNING IS NO LONGER IN EFFECT. 

IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS...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 3479 7837 3490 7837 3501 7848 3513 7849
      3526 7860 3529 7858 3531 7855 3526 7849
      3525 7841 3528 7831 3522 7824 3520 7816
      3504 7816
TIME...MOT...LOC 2144Z 216DEG 32KT 3520 7827

$$

MWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 2:16 PM EDTAreal Flood AdvisoryRAHDavidson, Forsyth, Guilford, Randolph3 hr
May 9, 3:31 PM EDTSpecial Weather StatementRAHChatham, Durham, Orange, Person59 min
May 9, 3:47 PM EDTSevere Thunderstorm WarningRAHChatham, Durham, Orange, Person58 min
May 9, 4:20 PM EDTFlash Flood WarningRAHEdgecombe, Nash, Wilson4 hr
May 9, 4:24 PM EDTSevere Thunderstorm WarningRAHFranklin, Granville, Wake66 min
May 9, 4:51 PM EDTSpecial Weather StatementRAHSampson69 min
May 9, 5:04 PM EDTAreal Flood AdvisoryRAHWake2 hr
May 9, 5:26 PM EDTSpecial Weather StatementRAHFranklin, Warren64 min
May 9, 5:32 PM EDTSpecial Weather StatementRAHWayne58 min
May 9, 5:41 PM EDTAreal Flood AdvisoryRAHHalifax2 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.