Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 49, NWS Newport/Morehead City, NC

July 10, 2007Greene County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Jul 10, 2007, 3:12 PM EDT for Greene County, North Carolina. It was in force for 33 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 10, 2007, 3:12 PM EDT (19:12 UTC)
Expired
Jul 10, 2007, 3:45 PM EDT
In force
33 min
Issued by
NWS Newport/Morehead City, NC
Area
Counties, with a storm outline in the text

County Greene County, NC

The radar

The Raleigh/Durham radar (KRAX), 76 km from the middle of the area, began a volume at 19:14 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, 7.2 hours before the alert went out and 107 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 2007-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1362 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 2007-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939Sfc1 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
1362 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

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 Jul 10, 11:30 AM EDT, 3 hours 42 minutes earlier.

Area forecast discussion, Jul 10, 11:30 AM EDT, 3 hours 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1130 AM EDT TUE JUL 10 2007

.SYNOPSIS...
A WEAK TROUGH OF LOW PRESSURE WILL CONTINUE OVER THE PIEDMONT OF
NORTH CAROLINA WITH HIGH PRESSURE OFFSHORE THROUGH MID WEEK.  A
COLD FRONT WILL APPROACH THE REGION FROM THE NORTHWEST FRIDAY AND
BECOME STATIONARY AND SLOWLY DISSIPATE.

&&

.NEAR TERM /THROUGH TODAY/...
THE MAIN PROBLEM THIS MORNING ARE THE LINGERING CLOUDS ASSOCIATED
WITH THE LOW AND RAIN THAT MOVED THROUGH THE AREA LATE LAST NIGHT
AND EARLY THIS MORNING.  FOR THE MOST PART, THE RAIN HAS MOVED AWAY
FROM THE AREA.  LATEST GUIDANCE HAS HIGHS IN AROUND 90 INSTEAD OF
CURRENT FORECAST OF MID 90S.  ARW IS SHOWING CLOUDS CONTINUING TO
LINGER SO I WILL LIKELY LOWER TEMPS A CATEGORY OR SO FOR THIS
AFTERNOON.  NO OTHER CHANGES NEED ATTM.

&&

.SHORT TERM /TONIGHT THROUGH THURSDAY/...
WARM AND MUGGY AGAIN TONIGHT WITH INCREASED STABILITY AS VORT MAX
MOVES AWAY FROM THE AREA. WILL CONTINUE CHC POPS FOR COASTAL AREA
TONIGHT...THEN SLGT CHC POPS FOR THE ENTIRE CWA WED AND WED NIGHT.
A FRONTAL BOUNDARY WILL APPROACH THE AREA ON THU HELPING TO
INCREASE DYNAMICS FOR SCT TSTM DVPLMNT.  EXPECT HOT AND HUMID
SUMMER CONDITIONS TO CONTINUE WED WITH HEAT INDICIES AGAIN
APPROACHING DANGEROUS LEVELS. SLIGHTLY LESS HUMID CONDITIONS
EXPECTED THU.

&&

.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
NO CHANGES MADE TO EXTENDED GRIDS. KEPT MAINLY CHC POPS GOING
GIVEN UNCERTAINTY ON EXACTLY WHERE FRONT WILL STALL THIS WEEKEND.
TEMPS WILL REMAIN NEAR NORMAL WITH UPPER 80S AROUND 90 INLAND TO
MID 80S BEACHES. WILL REMAIN MUGGY WITH LOWS MAINLY 70 TO 75.

&&

.AVIATION /07Z TUESDAY THROUGH SATURDAY/...
MORNING IFR/MVFR LOW CLOUDS HAVE BEEN BURNING OFF DURING THE PAST
HOUR AND EXPECT MOSTLY VFR CONDITIONS EXPECTED THROUGH THE REMAINDER
OF THE DAY...EXCEPT IN AND NEAR SCT CONVECTION.

GENERALLY VFR FOR MID THROUGH LATE WEEK.

&&

.MARINE...
THUNDERSTORMS PUSHING EAST OF SRN WATERS LATE THIS MORNING AND
EXPECT MAINLY ISOLATED COVERAGE THROUGH THE AFTERNOON. WINDS AROUND
DIAMOND BUOY HAVE BEEN A LITTLE STRONGER...AROUND 20 KT...WITH
CONVECTION IN THE VICINITY. EXPECT SWLY WINDS TO BECOME 15-20 KT
ACROSS MOST OF THE SRN WATERS DURING THE AFTERNOON AS GRDNT TIGHTENS
WITH TRF TO THE W. WITH SPEEDS IN 15 TO 20 KT RANGE EXPECT SEAS TO
REACH SCA RANGE CENTRAL WTRS TONIGHT. WINDS INCREASE A BIT MORE WED
INTO THU AS GRDNT TIGHTENS AHEAD OF APPROACHING FRONT. EXTENDED SCA
TO SRN WTRS WED AND CONT SCA FOR ALL CSTL WTRS S OF OREGON INLET
INTO THU NIGHT AS SW WINDS OF 15 TO 25 KTS WILL KEEP SEAS AOA 6 FT
20 MILES OUT. FRONT DROPS INTO THE NRN WTRS FRI WITH WINDS/SEAS
DECREASING. FRONT LIFTS BACK N ON SAT AND COULD SEE SW FLOW INCREASE
TO NEAR SCA AGAIN SAT BUT FOR NOW KEPT BELOW.

FOR RIP CURRENTS KEPT LOW RISK ALL WTRS...HOWEVER WILL BE VERY
CLOSE TO MODERATE RISK S FACING BEACHES AS WINDS INCREASE THIS
AFTN. LACK OF SWELL KEEPS THREAT IN LOW RANGE...HOWEVER WILL HAVE TO
WATCH CLOSELY IF WINDS PICK UP A BIT MORE THAN EXPECTED.

&&

.MHX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
MARINE...SMALL CRAFT ADVISORY FROM 11 PM THIS EVENING TO 2 AM EDT
     FRIDAY FOR AMZ152-154-156.
     SMALL CRAFT ADVISORY FROM 8 AM WEDNESDAY TO 2 AM EDT FRIDAY
     FOR AMZ158.

&&

TK/SK
Hazardous weather outlook, Jul 10, 3:34 AM EDT, 11 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
334 AM EDT TUE JUL 10 2007

NCZ029-044-045-079-080-090>093-098-110745-
MARTIN-PITT-WASHINGTON-GREENE-BEAUFORT-DUPLIN-LENOIR-JONES-CRAVEN-
ONSLOW-
334 AM EDT TUE JUL 10 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

HEAT INDICIES NEAR 105 DEGREES ARE LIKELY WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NCZ046-047-081-094-095-103-104-110745-
TYRRELL-MAINLAND DARE-MAINLAND HYDE-PAMLICO-CARTERET-
OUTER BANKS DARE-OUTER BANKS HYDE-
334 AM EDT TUE JUL 10 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Jul 10, 2:27 PM EDT, 45 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 10, 3:58 AM EDTMarine Weather StatementMHX62 min
Jul 10, 4:56 AM EDTMarine Weather StatementMHX64 min
Jul 10, 1:17 PM EDTAreal Flood AdvisoryMHXCraven26 min
Jul 10, 1:38 PM EDTAreal Flood WarningMHXCraven107 min
Jul 10, 1:57 PM EDTAreal Flood AdvisoryMHXCarteret90 min
Jul 10, 2:30 PM EDTSevere Thunderstorm WarningMHXCarteret45 min
Jul 10, 2:37 PM EDTSpecial Marine WarningMHX53 min
Jul 10, 5:24 PM EDTSevere Thunderstorm WarningMHXGreene36 min
Jul 10, 6:01 PM EDTSevere Thunderstorm WarningMHXGreene44 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2007Every severe thunderstorm warning in 2007

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.