Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Newport/Morehead City, NC

September 18, 2012Craven County, Jones County, Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Sep 18, 2012, 1:29 PM EDT for Craven County, Jones County, Onslow County, North Carolina. It was in force for 61 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
Sep 18, 2012, 1:29 PM EDT (17:29 UTC)
Expired
Sep 18, 2012, 2:30 PM EDT
In force
61 min
Issued by
NWS Newport/Morehead City, NC

Counties Craven County, NC, Jones County, NC, Onslow County, NC

The radar

The Morehead City radar (KMHX), 36 km from the middle of the area, began a volume at 17:30 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 nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 5.5 hours before the alert went out and 36 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 2012-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1124 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2012-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
1124 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Newport/Morehead City, NC wrote its last area forecast discussion before this special weather statement went out at Sep 18, 9:53 AM EDT, 3 hours 36 minutes earlier.

Area forecast discussion, Sep 18, 9:53 AM EDT, 3 hours 36 minutes before
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Hazardous weather outlook, Sep 18, 3:38 AM EDT, 9 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK FOR EASTERN NORTH CAROLINA
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
338 AM EDT TUE SEP 18 2012

NCZ029-044>047-079>081-090>094-190800-
MARTIN-PITT-WASHINGTON-TYRRELL-MAINLAND DARE-GREENE-BEAUFORT-
MAINLAND HYDE-DUPLIN-LENOIR-JONES-CRAVEN-PAMLICO-
338 AM EDT TUE SEP 18 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
EASTERN NORTH CAROLINA THIS AFTERNOON AND THIS EVENING. THE
PRIMARY THREATS WILL BE DAMAGING WINDS...FREQUENT LIGHTNING AND
LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ095-098-103-104-190800-
CARTERET-ONSLOW-OUTER BANKS DARE-OUTER BANKS HYDE-
338 AM EDT TUE SEP 18 2012

...MODERATE RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   MODERATE RIP CURRENT RISK.

STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
EASTERN NORTH CAROLINA THIS AFTERNOON AND THIS EVENING. THE
PRIMARY THREATS WILL BE DAMAGING WINDS...FREQUENT LIGHTNING AND
LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Sep 18, 10:48 AM EDT, 2 hours 41 minutes before
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Special weather statement, Sep 18, 11:02 AM EDT, 2 hours 27 minutes before
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Special weather statement, Sep 18, 12:00 PM EDT, 1 hour 29 minutes before
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Special weather statement, Sep 18, 12:41 PM EDT, 48 minutes before
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Special weather statement, Sep 18, 1:08 PM EDT, 21 minutes before
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Special weather statement, Sep 18, 1:29 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
129 PM EDT TUE SEP 18 2012

NCZ044-080-091>095-098-181830-
BEAUFORT-CARTERET-CRAVEN-JONES-LENOIR-ONSLOW-PAMLICO-PITT-
129 PM EDT TUE SEP 18 2012

...A LINE OF STRONG THUNDERSTORMS WILL MOVE ACROSS PAMLICO...
CRAVEN...ONSLOW...JONES...BEAUFORT...CARTERET...LENOIR AND PITT
COUNTIES THROUGH 230 PM EDT...

AT 127 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM FORT BARNWELL TO
FOLKSTONE...OR ALONG A LINE EXTENDING FROM 11 MILES EAST OF KINSTON
TO NORTH TOPSAIL BEACH...MOVING EAST AT 20 MPH.

LOCATIONS IN THE PATH OF THESE STORMS INCLUDE...FORT BARNWELL...
JACKSONVILLE...VANCEBORO...COVE CITY...POLLOCKSVILLE...TRENTON
RIVERSIDE...NEW BERN...PINEY GREEN...AND ONSLOW BEACH.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.
DEADLY CLOUD TO GROUND LIGHTNING.

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. STRONG WINDS ARE
CAPABLE OF KNOCKING DOWN SMALL TREES AND BLOWING AROUND TRASH CANS...
POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR OBJECTS.

IF YOU SEE LIGHTNING OR HEAR THUNDER...YOU ARE AT RISK. TAKE SHELTER
INDOORS IMMEDIATELY. IF YOU CANNOT FIND SHELTER IN A BUILDING A
VEHICLE PROVIDES SAFETY FROM LIGHTNING.

&&

LAT...LON 3447 7757 3558 7746 3548 7696 3547 7698
      3544 7696 3546 7692 3543 7684 3540 7680
      3537 7670 3535 7669 3500 7688 3507 7700
      3501 7697 3496 7690 3465 7706 3462 7717
      3453 7733 3444 7753
TIME...MOT...LOC 1727Z 270DEG 17KT 3528 7739 3451 7747

DAG

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 11:02 AM EDTSpecial Weather StatementMHXGreene, Jones, Lenoir, Onslow58 min
Sep 18, 12:00 PM EDTSpecial Weather StatementMHXDuplin, Lenoir45 min
Sep 18, 12:41 PM EDTSpecial Weather StatementMHXCarteret, Pamlico49 min
Sep 18, 1:08 PM EDTSpecial Weather StatementMHXBeaufort, Washington67 min
Sep 18, 1:11 PM EDTSpecial Marine WarningMHX64 min
Sep 18, 1:37 PM EDTSpecial Weather StatementMHXPamlico, Tyrrell53 min
Sep 18, 2:30 PM EDTSpecial Weather StatementMHXBeaufort, Carteret, Hyde, Pamlico60 min
Sep 18, 3:00 PM EDTSpecial Weather StatementMHXDuplin60 min
Sep 18, 3:16 PM EDTSpecial Marine WarningMHX59 min
Sep 18, 3:48 PM EDTSpecial Weather StatementMHXJones, Lenoir, Onslow57 min
Sep 18, 3:50 PM EDTSpecial Marine WarningMHX55 min
Sep 18, 3:57 PM EDTSpecial Marine WarningMHX63 min
Sep 18, 4:14 PM EDTSpecial Marine WarningMHX61 min
Sep 18, 4:24 PM EDTTornado WarningMHXJones18 min
Sep 18, 4:33 PM EDTTornado WarningMHXCraven27 min
Sep 18, 4:52 PM EDTSpecial Weather StatementMHXGreene, Pitt53 min
Sep 18, 4:58 PM EDTSpecial Weather StatementMHXOnslow47 min
Sep 18, 4:58 PM EDTTornado WarningMHXCraven32 min
Sep 18, 5:11 PM EDTTornado WarningMHXBeaufort, Craven19 min
Sep 18, 5:19 PM EDTSpecial Marine WarningMHX56 min
Sep 18, 5:21 PM EDTSpecial Weather StatementMHXCarteret, Pamlico54 min

Nearby

Special Weather Statements in North Carolina, 2012Every special weather statement 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.