Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 73, NWS Newport/Morehead City, NC

May 18, 2006Dare County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 18, 2006, 10:22 PM EDT for Dare 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 counties it named.

The facts

Issued
May 18, 2006, 10:22 PM EDT (02:22 UTC)
Expired
May 18, 2006, 11:15 PM EDT
In force
53 min
Issued by
NWS Newport/Morehead City, NC
Area
Counties, with a storm outline in the text

County Dare County, NC

The radar

The Morehead City radar (KMHX), 150 km from the middle of the area, began a volume at 02:22 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 00:00Z, 2.4 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 00:00Z on 2006-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 190 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2006-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
190 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 18, 3:20 PM EDT, 7 hours 2 minutes earlier.

Area forecast discussion, May 18, 3:20 PM EDT, 7 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
320 PM EDT THU MAY 18 2006

.SHORT TERM /TONIGHT THROUGH FRIDAY NIGHT/...SOME DISAGREEMENT ON
TIMING OF FROPA TNGT BTWN THE MDLS. GFS IS A FEW HRS FASTER THAN
NAM12 AND PNAM...BUT THEY ALL AGREE ON BRINGG PCPN INTO WRN CWA ARND
21Z. AM STILL NOT CONVINCED IT WL BE THAT EARLY...BUT CARRYING A
SLGT CHC WONT HURT. BEST OMEGA WONT MV OVR CWA TIL AFT 00Z. CAPES
NOT ALL THAT IMPRESSV...BEING CONFINED MAINLY TO THE CST. HWVR
DECENT K INDICES IN THE 30S. AFT FROPA FLO WL TURN QUICKLY BACK TO
SW AHD OF NXT SHOT. THIS ONE APPRS TO BE DRY AND IS XPCTD THRU THE
AREA FRI NGT. UPR LO APPRS TO FINALLY BE LIFTG OUT OF THE GRT LKS
STATES THIS WKEND.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...WE RMN IN AN
UNSETTLED PATTERN IN THE XTNDD. AFT MAIN UPR TROF SWINGS THRU SAT WE
WL BE ON BACK SIDE OF TROF THRU MIDWK. SERIES OF WK WVS WL MV THRU
THE FLO PUSHG WK BNDRYS THRU CWA. DGEX AND GFS BOTH AGREE ON
THIS...BUT NOT SO MUCH ON TIMING. BOTH AGREE BEST CHC FOR PCPN IN
XTNDD WL BE ON WED. DGEX IS DRIER THAN GFS...WHICH IS A KNOWN GFS
BIAS FOR THIS TIME OF YEAR. HPC KEEPS IT DRY AND THIS IS THE
PREFERRED WAY TO GO ATTM. TEMPS WL BE SEASONABLE...70 AND 80S.

&&

.AVIATION...STILL MOSTLY CLEAR BUT CLOUDS APPROACHING RAPIDLY FROM
THE WEST. HOWEVER...EXPECT VFR THROUGH THE PERIOD OUTSIDE OF
SCATTERED SHOWERS AND STORMS. LOW LEVELS WILL BE RATHER DRY SO CLOUD
BASES GENERALLY NO LOWER THAN AROUND 4KFT. COLD FRONT WILL MOVE EAST
OF THE TERMINALS AFTER ABOUT 05-07Z. ONLY BROKEN MID DECK AFTER THAT
THROUGH EARLY FRI MORNING...THEN ONLY BROKEN CIRRUS AFTER THAT.
SURFACE WINDS WILL BE SOUTHWEST THROUGH EARLY FRIDAY MORNING...THEN
VEERING TO WEST DURING THE DAY.

&&

.MARINE...WINDS HAVE BEEN STEADILY INCREASING THIS AFTERNOON AHEAD
OF THE APPROACHING COLD FRONT. EXPECT FRONT TO MOVE THROUGH THE
MARINE ZONES SHORTLY AFTER MIDNIGHT. HAVE EXTENDED SMALL CRAFT TO
INCLUDE THE WATERS NORTH OF OREGON INLET. SO THE SMALL CRAFT
ADVISORY IS NOW IN EFFECT FOR ALL COASTAL WATERS AND THE PAMLICO
SOUND THROUGH 18Z FRIDAY. FOR THE ALBEMARLE I CAPPED WINDS AT 20
KNOTS AND KEPT THE EXERCISE CAUTION. THE FRONT WILL BECOME
STATIONARY TO OUR SOUTH AND WEST FROM FRIDAY THROUGH AROUND TUESDAY
NIGHT. THE FRONT WILL MOVE NORTH OF THE AREA ON WEDNESDAY.
HOWEVER...THERE IS STILL QUITE A BIT OF UNCERTAINTY IN THE EXTENDED
TIMEFRAME SO CONFIDENCE IS NOT TOO HIGH.

&&

.MHX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
MARINE...SMALL CRAFT ADVISORY FOR AMZ135-150-152-154-156-158 UNTIL 2
PM FRIDAY.

&&

SHORT TERM...CGG
LONG TERM...CGG
AVIATION...HSA
MARINE...HSA
Hazardous weather outlook, May 18, 5:05 AM EDT, 17 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK FOR EASTERN NORTH CAROLINA
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
505 AM EDT THU MAY 18 2006

NCZ029-044>047-079>081-090>095-098-103-104-190915-
MARTIN-PITT-WASHINGTON-TYRRELL-MAINLAND DARE-GREENE-BEAUFORT-
MAINLAND HYDE-DUPLIN-LENOIR-JONES-CRAVEN-PAMLICO-CARTERET-ONSLOW-
OUTER BANKS DARE-OUTER BANKS HYDE-
505 AM EDT THU MAY 18 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
CAROLINA.

.DAY ONE...TODAY AND TONIGHT

THERE IS A MODERATE THREAT FOR DANGEROUS RIP CURRENTS ON SOUTH
FACING BEACHES SOUTH OF CAPE HATTERAS TODAY.

SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP LATE THIS
AFTERNOON AND CONTINUE INTO THE EVENING HOURS. SOME OF THE
THUNDERSTORMS COULD BE STRONG WITH WIND GUSTS TO 50 MPH AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

AMZ130-135-150-152-154-156-158-170-190915-
ALBEMARLE SOUND-PAMLICO SOUND-
S OF CURRITUCK BEACH LIGHT TO OREGON INLET NC OUT 20 NM-
S OF OREGON INLET TO CAPE HATTERAS NC OUT 20 NM-
S OF CAPE HATTERAS TO OCRACOKE INLET NC OUT 20 NM
INCLUDING THE MONITOR NATIONAL MARINE SANCTUARY-
S OF OCRACOKE INLET TO CAPE LOOKOUT NC OUT 20 NM-
S OF CAPE LOOKOUT TO N OF SURF CITY NC OUT 20 NM-
WATERS FROM CURRITUCK BEACH LIGHT TO SURF CITY NC FROM 20 TO
40 NM-
505 AM EDT THU MAY 18 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
CAROLINA.

.DAY ONE...TODAY AND TONIGHT

SMALL CRAFT ADVSORIES HAVE BEEN ISSUED FOR SOUTHWEST WINDS TO 25
KNOTS AND SEAS OF 5 TO 8 FEET SOUTH OF OREGON INLET AND OVER THE
PAMLICO SOUND.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SMALL CRAFT ADVISORY CONDITIONS WILL CONTINUE THROUGH FRIDAY.

In the hours before

Local storm report, May 18, 9:49 PM EDT, 33 minutes before
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Local storm report, May 18, 9:51 PM EDT, 31 minutes before
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Local storm report, May 18, 9:53 PM EDT, 29 minutes before
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Local storm report, May 18, 9:54 PM EDT, 28 minutes before
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Local storm report, May 18, 9:56 PM EDT, 26 minutes before
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Local storm report, May 18, 10:07 PM EDT, 15 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 8:24 PM EDTSevere Thunderstorm WarningMHXGreene36 min
May 18, 8:52 PM EDTSevere Thunderstorm WarningMHXPitt53 min
May 18, 8:56 PM EDTSevere Thunderstorm WarningMHXLenoir49 min
May 18, 8:58 PM EDTSevere Thunderstorm WarningMHXDuplin47 min
May 18, 9:11 PM EDTSpecial Marine WarningMHX64 min
May 18, 9:24 PM EDTSevere Thunderstorm WarningMHXBeaufort51 min
May 18, 9:27 PM EDTSevere Thunderstorm WarningMHXWashington33 min
May 18, 9:39 PM EDTSevere Thunderstorm WarningMHXCraven51 min
May 18, 9:43 PM EDTSevere Thunderstorm WarningMHXJones33 min
May 18, 9:46 PM EDTSevere Thunderstorm WarningMHXTyrrell59 min
May 18, 9:55 PM EDTSevere Thunderstorm WarningMHXPamlico50 min
May 18, 10:12 PM EDTSpecial Marine WarningMHX48 min
May 18, 10:30 PM EDTSpecial Marine WarningMHX60 min
May 18, 11:24 PM EDTSpecial Marine WarningMHX51 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2006Every severe thunderstorm warning in 2006

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.