Hail and Damaging Winds in North Carolina, August 22, 2013

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
433 PM EDT THU AUG 22 2013

.SYNOPSIS...
A COLD FRONT WILL APPROACH THE AREA FRIDAY AND PUSH SOUTH OF THE
REGION SATURDAY. HIGH PRESSURE WILL THEN BUILD IN FROM THE NORTH
THROUGH THE MIDDLE OF NEXT WEEK.

&&

.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
AS OF 4 PM THU...SHORTWAVE TROUGH EVIDENT ON WV IMAGERY ACROSS
CENTRAL NC WHILE MID/HIGH CLOUDS ALONG THE COAST PUSHING EWD.
CLEARING ACROSS WRN SECTIONS HAS BROUGHT INCREASING INSTABILITY
WITH CONVECTION DEVELOPING ALONG THE PIEDMONT TROUGH AND DIFF
HEATING BOUNDARIES. SCT TSTMS TO CONTINUE INTO EARLY
EVENING...THEN DISSIPATE WITH LOSS OF HEATING AND SUBSIDENCE AS
THE SHORTWAVE MOVES EAST OF THE AREA. MODELS SUGGESTING SCT
SHOWERS TO DEVELOP ALONG COASTAL SECTIONS AFTER MIDNIGHT SO
MAINTAINED SLT CHC/LOW END CHANCE POPS THERE. COULD SEE PATCHY
FOG LATE ESPECIALLY IF SKIES CLEAR SUFFICIENTLY. TEMPS WILL BE
MILD WITH LOWS AROUND 70 INLAND TO MID 70S COAST.

&&

.SHORT TERM /FRIDAY/...
AS OF 4 PM THU...UPPER TROUGH AND ATTENDANT COLD FRONT APPROACH
FROM THE NORTH FRI MORNING WITH THE FRONT PUSHING ACROSS THE
REGION THROUGH THE AFTERNOON. SOME SLIGHT DIFFERENCES AMONG THE
MODELS WITH THE TIMING OF THE FRONT MOVING INTO THE REGION...THOUGH
THE GFS IS STRONGER PUSHING THE FRONT THROUGH BY EVENING WHILE THE
ECMWF AND NAM STALL THE FRONT ACROSS SRN SECTIONS UNTIL A STRONGER
PUSH LATE FRI NIGHT. MID LEVEL ENERGY WITH FRONTAL FORCING INTO A
MOIST/UNSTABLE AIRMASS WILL BRING SCT CONVECTION FRI AFTERNOON.
A FEW STORMS COULD BE STRONG TO MARGINALLY SEVERE WITH DAMAGING
WIND GUSTS THE PRIMARY THREAT HOWEVER SHEAR WILL BE SOMEWHAT
LIMITED WITH 0-6KM BULK SHEAR ONLY AROUND 20 KT...SO A WIDESPREAD
SEVERE OUTBREAK NOT EXPECTED. LOW LEVEL THICKNESSES AROUND
1410-1420M SUPPORTING HIGHS IN THE MID-UPPER 80S.

&&

.LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
AS OF 300 PM THURSDAY...LATEST MODELS ARE IN GOOD AGREEMENT DURING
PERIOD WITH GOOD CONTINUITY WITH PREVIOUS RUNS AND FORECASTS. SHRT
WV TROF WILL PUSH SFC FRONT ACROSS AREA FRI NIGHT. AT LEAST SCT
COVERAGE OF STRONG THUNDERSTORMS EXPECTED TO ONGOING OVER INLAND
SECTIONS FRI EVENING...WITH ACTIVITY SPREADING TO COAST OVERNIGHT.
MARGINAL SVR THREAT WILL CONTINUE DURING FRI EVENING WITH WIND GUSTS
THE MAIN THREAT. INITIAL WIND SHIFT WITH FRONT WILL BE S OF AREA
EARLY SAT MORNING...BUT DRYING WILL BE DELAYED UNTIL DURING DAY SAT
WITH CAA AND N-NE WINDS PUSHING S ACROSS AREA DURING DAY. CONTINUED
SLGT CHC POPS FOR SRN HALF OF AREA THROUGH EARLY SAT AFTN.

STRONG HIGH PRES BUILDING IN FROM THE NORTH WILL BRING COOLER AND
DRIER CONDITIONS FOR SAT NIGHT THROUGH MON WITH TEMPS UP TO 10 DEGS
BELOW NORMAL. HIGH PRES WILL GRADUALLY MOVE OFFSHORE TUE AND WED
WITH TEMPS MODERATING BACK TO NEAR NORMAL...AND SLIGHT CHC POPS
RETURNING BY WED AFTN. NEXT SHRT WV AND FRONT WILL APPROACH FROM NW
ON THU...WITH CHC POPS FOR SHOWERS AND STORMS DURING AFTN.

&&

.AVIATION /20Z THURSDAY THROUGH TUESDAY/...
SHORT TERM /THROUGH FRIDAY/...
AS OF 2 PM THU...MID LEVEL CLOUDS ACROSS ERN NC PUSHING EAST OF
THE TERMINALS...WITH CLEARING TO THE WEST ALLOWING FOR GREATER
INSOLATION. BEGINNING TO SEE CONVECTIVE DEVELOPMENT NEAR THE
INLAND TROUGH WHICH IS BEGINNING TO PUSH INTO THE COASTAL PLAIN
AND EXPECT SCT TSTMS INTO EARLY EVENING. SHOWERS EXPECTED TO
DISSIPATE LATE EVENING...THOUGH MAY SEE SHOWERS WITH ISOL TSTMS
CONTINUE ALONG THE COAST OVERNIGHT. PATCHY FOG POSSIBLE LATE
TONIGHT BRINGING MAINLY MVFR VSBYS THOUGH COULD SEE BRIEF PERIODS
OF IFR. A FRONTAL BOUNDARY WILL PUSH SOUTH THROUGH THE REGION FRI
WITH A WARM UNSTABLE AIRMASS AHEAD OF THE FRONT AND EXPECT
SCATTERED THUNDERSTORMS TO DEVELOP LATE MORNING.

LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF 300 PM THURSDAY...PERIOD OF SUB-VFR CONDITIONS LIKELY WITH SCT
TSTMS FRI NIGHT AS COLD FRONT MOVES ACROSS AREA. A SMALL RISK FOR
SHOWERS AND THUNDERSTORMS WILL PERSIST OVER SRN SECTIONS SATURDAY AS
FRONT MOVES TO THE SOUTH. DRIER AND MORE STABLE CONDITIONS ARE
EXPECTED FOR SATURDAY NIGHT THROUGH TUESDAY AS HIGH PRESSURE BUILDS
OVER THE AREA WITH PREVAILING VFR CONDITIONS LIKELY.

&&

.MARINE...
SHORT TERM /THROUGH FRIDAY/...
AS OF 4 PM THU...SW WINDS AROUND 5-15 KT PERSIST THROUGH FRI
MORNING...THEN A COLD FRONT WILL PUSH INTO THE WATERS THROUGH THE
AFTERNOON WITH WINDS SHIFTING TO THE N. INITIALLY...THE SURGE NOT
EXPECTED TO BE STRONGER THAN 15 KT WITH THE FRONT. SOME
DISAGREEMENT AMONG THE MODELS WHETHER THE FRONT WILL PUSH THROUGH
ALL WATERS OR STALL NEAR THE SOUTHERN WATERS LATE IN THE
AFTERNOON. SEAS WILL BE AROUND 2-4 FT WITH DOMINANT PERIOD AROUND
10 SEC WITH LINGERING SE SWELL FROM THE REMNANTS OF TC ERIN.

LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF 300 PM THURSDAY...MARINERS CAN EXPECT SMALL CRAFT ADVISORY
CONDITIONS TO DEVELOP ON SATURDAY AND CONTINUE INTO SUNDAY AS A POST
FRONTAL NORTHERLY SURGE DEVELOPS ON THE WATERS. THE LATEST MODELS
CONTINUE IN GOOD AGREEMENT DURING PERIOD BUT APPEAR UNDERDONE WITH
POST-FRONT CAA SURGE OVER WARM WATER TEMPS. PRE-FRONTAL W-SW WINDS
WILL SHIFT TO N-NE FRIDAY NIGHT...WITH STRONGER SURGE OF NE WINDS TO
AROUND 20 KT FOLLOWING N TO S ON SAT. CAA WILL CONTINUE SAT NIGHT
INTO SUN WITH FREQUENT GUSTS TO 25 KT POSSIBLE...ESPECIALLY OVER
OUTER PORTIONS OF CENTRAL AND SRN WATERS. HIGH PRESSURE WILL BUILD
OVER AREA SUN NIGHT AND MOVE OFFSHORE MONDAY WITH WINDS DIMINISHING
TO 10 KT OR LESS AND VEERING TO E-SE. SW WINDS WILL REDEVELOP MON
NIGHT AND TUE AS INLAND TROF BECOMES RE-ESTABLISHED.

BLEND OF PREVIOUS FCST AND SWAN USED FOR SEAS FRI NIGHT THROUGH SUN
NIGHT AS WW3 UNDERDONE WITH CAA NE SURGE. WW3 USED FOR SEAS DURING
PERIOD AFTER CAA ABATES. SEA HEIGHTS WILL REMAIN 2-3 FT THROUGH FRI
NIGHT...THEN BUILD TO 4-6 FT WITH NE WIND SURGE LATE SAT THROUGH
SUNDAY. SEAS ARE THEN FORECAST TO SUBSIDE BELOW 4 FT MONDAY.

&&

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

&&

SYNOPSIS...SK
NEAR TERM...SK
SHORT TERM...SK
LONG TERM...JBM/JME
AVIATION...JBM/SK
MARINE...JBM/SK

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
350 PM EDT THU AUG 22 2013

NCZ029-044>047-079>081-090>094-232000-
MARTIN-PITT-WASHINGTON-TYRRELL-MAINLAND DARE-GREENE-BEAUFORT-
MAINLAND HYDE-DUPLIN-LENOIR-JONES-CRAVEN-PAMLICO-
350 PM EDT THU AUG 22 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS WILL PRODUCE LOCALIZED MINOR FLOODING AND
STRONG WIND GUSTS THROUGH THIS EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

ANOTHER ROUND OF SCATTERED THUNDERSTORMS EXPECTED LATE FRIDAY
AFTERNOON THROUGH THE EVENING. A FEW OF THE STORMS WILL PRODUCE
STRONG WINDS GUSTS...FREQUENT LIGHTNING...AND LOCALIZED MINOR
FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ095-098-103-104-232000-
CARTERET-ONSLOW-OUTER BANKS DARE-OUTER BANKS HYDE-
350 PM EDT THU AUG 22 2013

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

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.

SCATTERED THUNDERSTORMS WILL PRODUCE LOCALIZED MINOR FLOODING AND
STRONG WIND GUSTS THROUGH THIS EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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.

ANOTHER ROUND OF SCATTERED THUNDERSTORMS EXPECTED LATE FRIDAY
AFTERNOON THROUGH THE EVENING. A FEW OF THE STORMS WILL PRODUCE
STRONG WINDS GUSTS...FREQUENT LIGHTNING...AND LOCALIZED MINOR
FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
440 PM EDT THU AUG 22 2013

NCZ090>092-222145-
DUPLIN-JONES-LENOIR-
440 PM EDT THU AUG 22 2013

...STRONG THUNDERSTORMS WILL MOVE ACROSS DUPLIN...JONES AND LENOIR
COUNTIES THROUGH 545 PM EDT...

AT 439 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM BEAUTANCUS TO 7 MILES
NORTHWEST OF CALYPSO...OR ALONG A LINE EXTENDING FROM 7 MILES
SOUTHEAST OF MOUNT OLIVE TO 8 MILES WEST OF MOUNT OLIVE...MOVING
SOUTHEAST AT 10 MPH.

LOCATIONS IN THE PATH OF THESE STORMS INCLUDE...CALYPSO...
BEAUTANCUS...FAISON...ALBERTSON...KORNEGAY.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.

DEADLY CLOUD TO GROUND LIGHTNING.

HEAVY RAINFALL AND MINOR FLOODING.

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.

&&

LAT...LON 3519 7817 3518 7807 3520 7805 3520 7801
      3519 7798 3517 7796 3518 7793 3516 7790
      3518 7784 3526 7783 3500 7762 3493 7804
      3510 7818
TIME...MOT...LOC 2039Z 314DEG 7KT 3513 7797 3521 7820

JAC