Alert archive / North Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 340, NWS Raleigh, NC

August 29, 2011Cumberland County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Aug 29, 2011, 8:54 PM EDT for Cumberland County, North Carolina. It was in force for 52 min. 2 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
Aug 29, 2011, 8:54 PM EDT (00:54 UTC)
Expired
Aug 29, 2011, 9:46 PM EDT
In force
52 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

County Cumberland County, NC

The radar

The Raleigh/Durham radar (KRAX), 82 km from the middle of the area, began a volume at 00:57 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
Aug 29, 9:00 PM EDTTSTM WND DMG2 Sw Hope Mills, NCONE TREE DOWN NEAR INTERSECTION OF BLACK BRIDGE ROAD AND HOME STRETCH DRIVE
Aug 29, 9:15 PM EDTTSTM WND DMG3 Sw Vander, NCONE TREE BLOWN DOWN NEAR VANDER ON JUDSON CHURCH ROAD.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 29, 3:28 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.9 hours before the alert went out and 160 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 2011-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 474 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 2011-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -74 square meters per square second.19395878Sfc1 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
474 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1203 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-74 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.2

Open this sounding in Storm Lab

The text

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

136 
WUUS52 KRAH 300054
SVRRAH
NCC051-300200-
/O.NEW.KRAH.SV.W.0340.110830T0054Z-110830T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
854 PM EDT MON AUG 29 2011

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

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

* UNTIL 1000 PM EDT

* AT 853 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HOPE MILLS...OR 8 MILES SOUTH OF
  FAYETTEVILLE...MOVING EAST AT 10 MPH. QUARTER SIZED HAIL AND WINDS
  IN EXCESS OF 58 MPH ARE LIKELY WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  VANDER...CEDAR CREEK...

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
MONDAY EVENING FOR CENTRAL NORTH CAROLINA.

&&

LAT...LON 3486 7893 3488 7893 3495 7903 3506 7909
      3518 7863 3512 7865 3512 7864 3509 7867
      3499 7865 3491 7854 3485 7850 3484 7885
      3483 7891
TIME...MOT...LOC 0053Z 250DEG 9KT 3496 7895

$$

KRR
2 follow-up statements
335 
WWUS52 KRAH 300130
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
930 PM EDT MON AUG 29 2011

NCC051-300200-
/O.CON.KRAH.SV.W.0340.000000T0000Z-110830T0200Z/
CUMBERLAND NC-
930 PM EDT MON AUG 29 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR SOUTHERN CUMBERLAND COUNTY...

AT 930 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR CEDAR
CREEK...OR 9 MILES SOUTHEAST OF FAYETTEVILLE...MOVING EAST AT 10 MPH.

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

LOCATIONS IN THE PATH OF THE STORM INCLUDE... VANDER AND STEDMAN.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
MONDAY EVENING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3486 7893 3489 7893 3495 7903 3504 7907
      3512 7865 3509 7867 3499 7865 3491 7854
      3490 7854 3485 7850 3484 7885 3483 7891
TIME...MOT...LOC 0130Z 250DEG 9KT 3499 7877

$$

KRR
440 
WWUS52 KRAH 300146
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
946 PM EDT MON AUG 29 2011

NCC051-300155-
/O.CAN.KRAH.SV.W.0340.000000T0000Z-110830T0200Z/
CUMBERLAND NC-
946 PM EDT MON AUG 29 2011

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

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
MONDAY EVENING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3486 7893 3489 7893 3495 7903 3504 7907
      3512 7865 3509 7867 3499 7865 3491 7854
      3490 7854 3485 7850 3484 7885 3483 7891
TIME...MOT...LOC 0145Z 250DEG 9KT 3500 7873

$$

KRR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 8:22 PM EDTSpecial Weather StatementRAHScotland53 min
Aug 29, 8:38 PM EDTSevere Thunderstorm WarningRAHHoke, Scotland67 min
Aug 29, 8:50 PM EDTSpecial Weather StatementRAHJohnston55 min
Aug 29, 9:05 PM EDTSpecial Weather StatementRAHWilson55 min
Aug 29, 9:23 PM EDTAreal Flood AdvisoryRAHCumberland, Hoke3 hr
Aug 29, 9:34 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Wilson25 min
Aug 29, 9:56 PM EDTAreal Flood AdvisoryRAHWilson2 hr
Aug 29, 11:28 PM EDTSpecial Weather StatementRAHSampson47 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2011Every severe thunderstorm warning in 2011

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.