Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 28, NWS Raleigh, NC

March 24, 2012Sampson County, Wayne County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Mar 24, 2012, 5:37 PM EDT for Sampson County, Wayne County, North Carolina. It was in force for 53 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
Mar 24, 2012, 5:37 PM EDT (21:37 UTC)
Expired
Mar 24, 2012, 6:30 PM EDT
In force
53 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Sampson County, NC, Wayne County, NC

The radar

The Raleigh/Durham radar (KRAX), 54 km from the middle of the area, began a volume at 21:38 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.

IssuedProductOfficeLasted
Mar 24, 3:38 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.6 hours before the alert went out and 132 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 2012-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 441 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, Newport, NC at 12:00Z on 2012-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 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
441 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
-59 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.

281 
WUUS52 KRAH 242137
SVRRAH
NCC163-191-242230-
/O.NEW.KRAH.SV.W.0028.120324T2137Z-120324T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
537 PM EDT SAT MAR 24 2012

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN WAYNE COUNTY IN CENTRAL NORTH CAROLINA
  NORTHEASTERN SAMPSON COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 630 PM EDT

* AT 533 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HOBBTON...OR 11 MILES NORTH OF CLINTON...
  MOVING NORTHEAST AT 10 MPH. QUARTER SIZED HAIL AND WINDS IN EXCESS
  OF 58 MPH ARE LIKELY WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  HOBBTON...
  NEWTON GROVE...

THIS INCLUDES INTERSTATE 40 BETWEEN EXITS 341 AND 348.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

&&

LAT...LON 3509 7837 3521 7845 3528 7833 3528 7831
      3533 7826 3532 7824 3534 7821 3535 7816
      3537 7816 3519 7800 3519 7805 3517 7807
      3518 7816 3513 7816
TIME...MOT...LOC 2137Z 237DEG 10KT 3517 7836

$$

22
3 follow-up statements
231 
WWUS52 KRAH 242156
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
556 PM EDT SAT MAR 24 2012

NCC163-191-242230-
/O.CON.KRAH.SV.W.0028.000000T0000Z-120324T2230Z/
WAYNE NC-SAMPSON NC-
556 PM EDT SAT MAR 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHEASTERN SAMPSON AND SOUTHWESTERN WAYNE COUNTIES...

AT 551 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR
HOBBTON...OR 13 MILES NORTH OF CLINTON...MOVING NORTHEAST 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... MOUNT OLIVE AND
GRANTHAM.

THIS INCLUDES INTERSTATE 40 BETWEEN EXITS 343 AND 348.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. BE PREPARED TO MOVE QUICKLY TO AN INTERIOR ROOM OF A SAFE
SHELTER IF YOU HEAR OR SEE A TORNADO.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

LAT...LON 3513 7834 3525 7837 3528 7831 3533 7826
      3532 7824 3534 7821 3535 7816 3537 7816
      3519 7800 3519 7805 3517 7808 3518 7816
      3513 7816
TIME...MOT...LOC 2156Z 237DEG 10KT 3520 7831

$$

22
530 
WWUS52 KRAH 242217 RRA
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
617 PM EDT SAT MAR 24 2012

NCC163-191-242230-
/O.CON.KRAH.SV.W.0028.000000T0000Z-120324T2230Z/
WAYNE NC-SAMPSON NC-
617 PM EDT SAT MAR 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHEASTERN SAMPSON AND SOUTHWESTERN WAYNE COUNTIES...

AT 614 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR
GRANTHAM...OR 7 MILES WEST OF MOUNT OLIVE...MOVING EAST AT 20 MPH.

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

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

LAT...LON 3513 7820 3528 7830 3531 7823 3534 7813
      3519 7800 3519 7805 3517 7808 3518 7816
      3513 7816
TIME...MOT...LOC 2217Z 249DEG 15KT 3523 7817

$$

22
633 
WWUS52 KRAH 242224
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
624 PM EDT SAT MAR 24 2012

NCC163-191-242234-
/O.EXP.KRAH.SV.W.0028.000000T0000Z-120324T2230Z/
WAYNE NC-SAMPSON NC-
624 PM EDT SAT MAR 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SAMPSON AND
SOUTHWESTERN WAYNE COUNTIES EXPIRES AT 630 PM 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

LAT...LON 3513 7820 3528 7830 3531 7823 3534 7813
      3519 7800 3519 7805 3517 7808 3518 7816
      3513 7816
TIME...MOT...LOC 2224Z 249DEG 15KT 3524 7814

$$

22

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 12:32 AM EDTSpecial Weather StatementRAHWake43 min
Mar 24, 1:08 PM EDTSpecial Weather StatementRAHSampson52 min
Mar 24, 2:43 PM EDTSpecial Weather StatementRAHEdgecombe, Halifax, Johnston, Nash, Wayne, Wilson47 min
Mar 24, 3:17 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Wilson43 min
Mar 24, 3:43 PM EDTSpecial Weather StatementRAHWayne62 min
Mar 24, 3:53 PM EDTSpecial Weather StatementRAHSampson67 min
Mar 24, 4:04 PM EDTSpecial Weather StatementRAHEdgecombe56 min
Mar 24, 4:12 PM EDTSpecial Weather StatementRAHSampson63 min
Mar 24, 4:14 PM EDTSevere Thunderstorm WarningRAHWayne46 min
Mar 24, 4:35 PM EDTSevere Thunderstorm WarningRAHSampson, Wayne40 min
Mar 24, 4:36 PM EDTSevere Thunderstorm WarningRAHForsyth39 min
Mar 24, 4:40 PM EDTSevere Thunderstorm WarningRAHDavidson, Forsyth95 min
Mar 24, 5:16 PM EDTSevere Thunderstorm WarningRAHDavidson59 min
Mar 24, 5:24 PM EDTSpecial Weather StatementRAHCumberland, Harnett, Johnston, Sampson, Wayne81 min
Mar 24, 5:33 PM EDTSevere Thunderstorm WarningRAHGuilford87 min
Mar 24, 5:52 PM EDTSevere Thunderstorm WarningRAHGuilford, Randolph83 min
Mar 24, 5:58 PM EDTSevere Thunderstorm WarningRAHMontgomery, Stanly62 min
Mar 24, 6:01 PM EDTSevere Thunderstorm WarningRAHDavidson59 min
Mar 24, 6:23 PM EDTSpecial Weather StatementRAHWake52 min
Mar 24, 6:23 PM EDTSevere Thunderstorm WarningRAHRandolph97 min
Mar 24, 6:24 PM EDTSevere Thunderstorm WarningRAHAnson51 min
Mar 24, 6:37 PM EDTSpecial Weather StatementRAHWayne53 min
Mar 24, 6:51 PM EDTSevere Thunderstorm WarningRAHAlamance84 min
Mar 24, 6:52 PM EDTSevere Thunderstorm WarningRAHDurham, Orange38 min
Mar 24, 7:14 PM EDTSevere Thunderstorm WarningRAHGuilford, Randolph61 min
Mar 24, 7:17 PM EDTAreal Flood AdvisoryRAHGuilford, Randolph2 hr
Mar 24, 7:24 PM EDTAreal Flood AdvisoryRAHWayne2 hr
Mar 24, 7:25 PM EDTSevere Thunderstorm WarningRAHDurham, Orange, Person65 min
Mar 24, 7:27 PM EDTSpecial Weather StatementRAHMoore, Richmond78 min
Mar 24, 7:42 PM EDTSevere Thunderstorm WarningRAHAlamance, Chatham, Randolph64 min
Mar 24, 7:58 PM EDTAreal Flood AdvisoryRAHAlamance2 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.