Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 61, NWS Newport/Morehead City, NC

July 28, 2014Carteret County, Craven County, Pamlico County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Jul 28, 2014, 5:31 PM EDT for Carteret County, Craven County, Pamlico County, North Carolina. It was in force for 44 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
Jul 28, 2014, 5:31 PM EDT (21:31 UTC)
Expired
Jul 28, 2014, 6:15 PM EDT
In force
44 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

Counties Carteret County, NC, Craven County, NC, Pamlico County, NC

The radar

The Morehead City radar (KMHX), 32 km from the middle of the area, began a volume at 21:35 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
Jul 28, 3:25 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.5 hours before the alert went out and 31 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 2014-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1920 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 12:00Z on 2014-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1920 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.7

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 Jul 28, 3:17 PM EDT, 2 hours 14 minutes earlier.

Area forecast discussion, Jul 28, 3:17 PM EDT, 2 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
317 PM EDT MON JUL 28 2014

.SYNOPSIS...
A STRONG COLD FRONT WILL MOVE THROUGH EASTERN NORTH CAROLINA
TONIGHT. THE FRONT WILL BECOME STATIONARY OVER THE OFFSHORE WATERS
THROUGH THE WEEK...DRIFTING BACK TOWARD THE COAST LATE IN THE WEEK.

&&

.NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
AS OF 3 PM MON...LOW PRESSURE CENTERED OVER SOUTHERN NY/NORTHERN
PA...WITH ATTENDANT COLD FRONT EXTENDING FROM THE MID-ATLANTIC
THROUGH CNTRL NC INTO THE GULF STATES. FRONT WILL CONTINUE TO MOVE
EASTWARD THIS AFTN WITH ENC IN WARM SECTOR. SPC CONTINUES TO
OUTLOOK EASTERN NC IN SLIGHT RISK...WITH UNSTABLE AIRMASS AND
FAVORABLE DYNAMICS...AS UPPER TROUGH APPROACHES ACCOMPANIED BY
70-80KT UPPER JET. MODELS CONTINUE TO DEPICT VERY UNSTABLE
ENVIRONMENT WITH STRONG SHEAR AND CLASSIC INVERTED V-TYPE
SOUNDING. CAPE VALUES 3000-4000J/KG...LI VALUES -8/-9C...AND 0-6KM
SHEAR 30-35KT. BEST INSTABILITY AND MOISTURE WILL BE ALONG AND
EAST OF HIGHWAY 17 WITH DEEP WESTERLY FLOW CAPPING INLAND AREAS.
CONVECTIVE COVERAGE STILL REMAINS SOMEWHAT UNCERTAIN THROUGH THIS
EVENING AS MODELS CONTINUE TO TREND DRIER...THOUGH STILL THINK
BEST CHANCES WILL BE ALONG THE COASTAL AREAS MAINLY E OF HIGHWAY
17...FROM ABOUT OREGON INLET TO NEW BERN/RICHLANDS AREA AND POINTS
E/SE WITH ENHANCED CONVERGENCE AIDED BY SEABREEZE AND DIFF HEATING
BOUNDARIES. MAIN LIMITING FACTOR TODAY WILL BE THE DEEP WESTERLY
FLOW...WITH GUIDANCE SHOWING DEWPOINTS INLAND MIXING DOWN INTO THE
LOW/MID 60S. HOWEVER ANY TSTM THAT DOES DEVELOP HAS THE POTENTIAL
TO BECOME STRONG TO SEVERE GIVEN THE ATMOSPHERE...WITH DAMAGING
WIND GUSTS...LARGE HAIL...AND FREQUENT LIGHTNING. ISOLATED TORNADO
THREAT AS WELL GIVEN STRONG SHEAR AND BOUNDARY. WILL DELAY START
OF SCT CONVECTION UNTIL AFT 20Z THIS AFTN. OVERNIGHT LOWS EXPECTED
FROM THE UPR 60S INLAND AND THE 70S COAST.

&&

.SHORT TERM /6 AM TUESDAY MORNING THROUGH 6 PM TUESDAY/...
AS OF 3 PM MON...WE SHOULD BE MAINLY DRY...AS SFC FRONT WILL HAVE
SHIFTED OFFSHORE. HOWEVER...RETAINED A SLIGHT CHANCE THUNDER AS
H85 MB FLOW REMAINS SW DESPITE LIGHT N FLOW AT THE SFC. SOME
ELEVATED INSTABILITY COUPLED WITH LINGERING LOW/MID LEVEL MOISTURE
COULD GENERATE AN ISOLATED THUNDERSHOWER ESP ACROSS THE EASTERN
2/3 OF THE FA. PLEASANT TEMPS EXPECTED TUE WITH HIGHS IN THE MID 80S.

&&

.LONG TERM /TUESDAY NIGHT THROUGH MONDAY/...
AS OF 230 PM MON...AN UNSEASONABLY DEEP LONGWAVE UPPER TROUGH
WILL RESIDE OVER THE EASTERN CONUS THROUGH THE MID TO LATE WEEK
PERIOD. SFC HIGH PRES TO THE WEST WILL RIDGE INTO THE REGION TUE
NIGHT THROUGH THURS NIGHT WITH A FRONTAL BOUNDARY STALLED WELL
OFFSHORE BRINGING LIGHT NLY FLOW AND UNSEASONABLY LOW DEWPOINTS
ACROSS THE REGION. CANNOT RULE OUT AN ISOLATED SHOWER DEVELOPING
THROUGH PEAK HEATING EACH AFTERNOON BUT WITH A RELATIVELY DRY
AIRMASS IN PLACE...PWATS BELOW 1.25" (LESS THAN 25 PERCENTILE FOR
THIS TIME OF YEAR)...COVERAGE WILL BE MINIMAL AND WILL KEEP POPS
BELOW 10 PERCENT. TEMPS WILL BE COMFORTABLE WITH LOWS IN THE LOW
TO MID 60S INLAND TO AROUND 70 COAST AND HIGHS IN THE MID 80S TO
LOW 80S OBX.

BY FRIDAY...THE OFFSHORE BOUNDARY BEGINS TO RETREAT WESTWARD AS AN
INVERTED TROUGH WHILE SHORTWAVE ENERGY AND MOISTURE FROM AN UPSTREAM
SYSTEM MOVES ACROSS THE AREA BRINGING INCREASING PRECIP CHANCES. BY
LATE IN THE WEEKEND INTO EARLY NEXT WEEK THE UPPER TROUGH LIFTS
NORTH AND IS REPLACED BY THE SUBTROPICAL RIDGE BUILDING IN FROM THE
WESTERN ATLANTIC WHILE THE QUASI-STATIONARY SFC TROUGH CONTINUES
ACROSS EASTERN NC. MOIST S TO SW FLOW PERSISTING ALOFT...SFC
CONVERGENCE ALONG THE TROUGH AND AN UNSTABLE ENVIRONMENT WILL KEEP
CHC POPS IN THE FORECAST THROUGH THE WEEKEND AND INTO EARLY NEXT
WEEK. TEMPS REMAIN NEAR OR SLIGHTLY BELOW CLIMO WITH SEASONABLE
DEWPOINT TEMPS FOR THE LATER HALF OF THE LONG TERM.

&&

.AVIATION /19Z MONDAY THROUGH SATURDAY/...
SHORT TERM /THROUGH 18Z TUESDAY/...
AS OF 130 PM MON...A COLD FRONT WILL PUSH ACROSS EASTERN NC THROUGH
THE AFTERNOON/EVENING. THIS BOUNDARY WILL TRIGGER SHOWER AND
THUNDERSTORM DEVELOPMENT WITH THE MAIN THREAT OF DAMAGING WIND AND
LARGE HAIL CONFINED TO EWN/OAJ. THEREFORE...A BRIEF PERIOD OF SUB-
VFR CIGS/VSBYS IS POSSIBLE IN ASSOCIATION WITH ANY PRECIPITATION
ACTIVITY. THE FRONT WILL MOVE OFFSHORE LATER THIS EVENING WITH
LINGERING LOW/HIGH CLOUDS ACROSS THE AREA. GUSTY SW WINDS THIS
AFTERNOON WILL SUBSIDE AND VEER TO THE NORTH AFTER THE FRONTAL
PASSAGE...FROM EAST TO WEST. NORTH WINDS...SOME LINGERING CLOUDS
AND A DRIER AIRMASS WILL KEEP CONDITIONS DRY THROUGH THE REST
OF THE PERIOD. EXPECT SOME CU DEVELOPMENT TUESDAY LATE MORNING.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 230 PM MON...HIGH PRES BUILDING IN FROM THE WEST WILL BRING
GOOD FLYING WEATHER FOR THE MIDDLE OF THE WEEK WITH VFR CONDITIONS
DOMINATING. CANNOT RULE OUT PATCHY EARLY MORNING FOG AT THE
TERMINALS EACH MORNING BUT WITH AN UNSEASONABLY DRY AIRMASS IN PLACE
CONDITIONS ARE NOT CONDUCIVE FOR WIDESPREAD FOG DEVELOPMENT. A TROUGH
OF LOW PRESSURE MOVES BACK INTO THE REGION LATE FRI AND SAT BRINGING
INCREASING MOISTURE AND CHANCES FOR SHOWERS OR THUNDERSTORMS.

&&

.MARINE...
SHORT TERM /TONIGHT THROUGH TUESDAY/...
AS OF 3 PM MON...LATEST OBS SHOW SW WINDS 10-20 KT AND SEAS 2-4 FT
NORTH OF HATTERAS AND 3-5 FT SOUTH. COLD FRONT WILL MOVE THROUGH THE
WATERS TONIGHT. WINDS BECOME NORTHERLY 10-15 KT BEHIND THE FRONT.
SCATTERED TSTMS EXPECTED THIS AFTERNOON AND EVENING...ESP ACROSS
THE SOUTHERN WATERS WITH STRONG/SEVERE STORMS POSSIBLE. WINDS N-NE
10-15 KT AND SEAS 2-4 FT ON TUE.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 230 PM MON...HIGH PRES BUILDS IN FROM THE WEST THROUGH THE
MIDDLE OF THE WEEK WITH A STALLED FRONTAL BOUNDARY WELL EAST OF THE
WATERS. WINDS WILL PREDOMINATELY BE NE TO E AOB 15 KT TUES NIGHT
INTO FRI WITH SEAS AROUND 2 TO 4 FT. THE FRONT RETREATS WESTWARD AS
A COASTAL TROUGH LATE FRI INTO SAT WITH WINDS BECOMING SLY LESS THAN
15 KT EAST OF THE TROUGH WITH SEAS GENERALLY 2 TO 3 FT.

&&

.MHX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
MARINE...NONE.

&&

SYNOPSIS...JAC
NEAR TERM...JAC
SHORT TERM...JAC
LONG TERM...SK
AVIATION...LEP
MARINE...JAC/SK
Hazardous weather outlook, Jul 28, 11:04 AM EDT, 6 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1104 AM EDT MON JUL 28 2014

NCZ095-098-103-104-291515-
CARTERET-ONSLOW-OUTER BANKS DARE-OUTER BANKS HYDE-
1104 AM EDT MON JUL 28 2014

...MODERATE RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT THIS EVENING
SOUTH OF CAPE HATTERAS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON 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.

A STRONG COLD FRONT WILL APPROACH EASTERN NORTH CAROLINA TODAY.
SCATTERED STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS
AFTERNOON AND EVENING. THE MAIN THREATS WILL BE DAMAGING WIND
GUSTS...HAIL...AND FREQUENT LIGHTNING.

HOT AND HUMID TODAY WITH HEAT INDEX VALUES AROUND 100 TO 104
DEGREES THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ045>047-080-081-092>094-291515-
WASHINGTON-TYRRELL-MAINLAND DARE-BEAUFORT-MAINLAND HYDE-JONES-CRAVEN-
PAMLICO-
1104 AM EDT MON JUL 28 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A STRONG COLD FRONT WILL APPROACH EASTERN NORTH CAROLINA TODAY.
SCATTERED STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS
AFTERNOON AND EVENING. THE MAIN THREATS WILL BE DAMAGING WIND
GUSTS...HAIL...AND FREQUENT LIGHTNING.

HOT AND HUMID TODAY WITH HEAT INDEX VALUES AROUND 100 TO 104
DEGREES THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ029-044-079-090-091-291515-
MARTIN-PITT-GREENE-DUPLIN-LENOIR-
1104 AM EDT MON JUL 28 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A STRONG COLD FRONT WILL APPROACH EASTERN NORTH CAROLINA TODAY.
SCATTERED STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS
AFTERNOON AND EVENING. THE MAIN THREATS WILL BE DAMAGING WIND
GUSTS...HAIL...AND FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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, Jul 28, 5:07 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
507 PM EDT MON JUL 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0454 PM     HAIL             NEUSE FOREST            34.96N  76.95W
07/28/2014  M1.00 INCH       CRAVEN             NC   SPOTTER

&&

EVENT NUMBER MHX1400500

MELENDEZ
Local storm report, Jul 28, 5:10 PM EDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
510 PM EDT MON JUL 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 PM     HAIL             RIVERDALE               34.99N  77.00W
07/28/2014  M0.50 INCH       CRAVEN             NC   SPOTTER

&&

EVENT NUMBER MHX1400501

MELENDEZ
Local storm report, Jul 28, 5:13 PM EDT, 18 minutes before
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Local storm report, Jul 28, 5:17 PM EDT, 14 minutes before
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Local storm report, Jul 28, 5:24 PM EDT, 7 minutes before
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Special weather statement, Jul 28, 5:26 PM EDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:53 PM EDTSpecial Weather StatementMHXCraven, Jones67 min
Jul 28, 4:21 PM EDTSpecial Weather StatementMHXDuplin, Onslow54 min
Jul 28, 4:31 PM EDTSpecial Marine WarningMHX44 min
Jul 28, 4:32 PM EDTSevere Thunderstorm WarningMHXCarteret, Craven, Jones, Pamlico43 min
Jul 28, 5:11 PM EDTSevere Thunderstorm WarningMHXCarteret, Craven, Pamlico49 min
Jul 28, 5:15 PM EDTSpecial Marine WarningMHX45 min
Jul 28, 5:26 PM EDTSpecial Weather StatementMHXCarteret34 min
Jul 28, 6:07 PM EDTSpecial Marine WarningMHX53 min
Jul 28, 6:11 PM EDTSpecial Weather StatementMHXCarteret49 min
Jul 28, 7:26 PM EDTSpecial Marine WarningMHX49 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014Every severe thunderstorm warning in 2014

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.