Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 46, NWS Wilmington, NC

May 15, 2012Bladen County, Columbus County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 15, 2012, 1:24 PM EDT for Bladen County, Columbus County, North Carolina. It was in force for 26 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 15, 2012, 1:24 PM EDT (17:24 UTC)
Expired
May 15, 2012, 1:50 PM EDT
In force
26 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

Counties Bladen County, NC, Columbus County, NC

The radar

The Wilmington radar (KLTX), 40 km from the middle of the area, began a volume at 17:27 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 15, 1:30 PM EDTHAIL 13 Sw Lake Waccamaw, NCDIME TO QUARTER SIZE HAIL FELL FOR APPROXIMATELY 2 MINUTES

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, 5.4 hours before the alert went out and 154 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 2012-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1713 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 2012-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
1713 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

544 
WUUS52 KILM 151724
SVRILM
NCC017-047-151815-
/O.NEW.KILM.SV.W.0046.120515T1724Z-120515T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
124 PM EDT TUE MAY 15 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BLADEN COUNTY IN SOUTHEAST NORTH CAROLINA
  EASTERN COLUMBUS COUNTY IN SOUTHEAST NORTH CAROLINA

* UNTIL 215 PM EDT

* AT 122 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  CRUSOE ISLAND...OR 9 MILES SOUTHEAST OF WHITEVILLE...AND MOVING
  NORTHEAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
   REDBUG...
   HALLSBORO...
   LAKE WACCAMAW...
   COUNCIL...
   CARVERS...

MORE DANGEROUS THUNDERSTORMS MAY DEVELOP AND AFFECT OTHER COMMUNITIES
IN THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS.

&&

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3449 7826 3415 7852 3414 7855 3422 7873
      3461 7853
TIME...MOT...LOC 1724Z 208DEG 16KT 3426 7858

$$

BACON
1 follow-up statement
506 
WWUS52 KILM 151750
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
150 PM EDT TUE MAY 15 2012

NCC017-047-151800-
/O.CAN.KILM.SV.W.0046.000000T0000Z-120515T1815Z/
COLUMBUS NC-BLADEN NC-
150 PM EDT TUE MAY 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLADEN AND
EASTERN COLUMBUS COUNTIES IS CANCELED...

AT 145 PM EDT...THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS
WEAKENED...THUS THE WARNING HAS BEEN CANCELED.

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3449 7826 3415 7852 3414 7855 3422 7873
      3461 7853
TIME...MOT...LOC 1750Z 208DEG 16KT 3436 7851

$$

BACON

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:51 PM EDTSpecial Weather StatementILMBrunswick54 min
May 14, 10:05 PM EDTAreal Flood AdvisoryILMBrunswick, New Hanover35 min
May 14, 10:37 PM EDTAreal Flood WarningILMBrunswick3 hr
May 14, 11:50 PM EDTTornado WarningILMBrunswick, Columbus26 min
May 15, 12:32 AM EDTSpecial Weather StatementILMColumbus58 min
May 15, 6:28 AM EDTSpecial Weather StatementILMBrunswick62 min
May 15, 1:18 PM EDTSpecial Weather StatementILMColumbus27 min
May 15, 1:22 PM EDTSevere Thunderstorm WarningILMBladen, Pender9 min
May 15, 2:56 PM EDTSpecial Weather StatementILMColumbus64 min
May 15, 3:55 PM EDTSpecial Weather StatementILMRobeson65 min
May 15, 4:03 PM EDTSevere Thunderstorm WarningILMBladen, Columbus, Robeson34 min
May 15, 4:33 PM EDTSpecial Weather StatementILMBladen57 min
May 15, 7:08 PM EDTSpecial Weather StatementILMRobeson67 min

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.