Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Newport/Morehead City, NC

July 31, 2011Martin County, North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Jul 31, 2011, 5:09 AM EDT for Martin County, North Carolina. It was in force for 66 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
Jul 31, 2011, 5:09 AM EDT (09:09 UTC)
Expired
Jul 31, 2011, 6:15 AM EDT
In force
66 min
Issued by
NWS Newport/Morehead City, NC

County Martin County, NC

The radar

The Raleigh/Durham radar (KRAX), 113 km from the middle of the area, began a volume at 09:08 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 9.2 hours before the alert went out and 237 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, Greensboro/Hi Pt, NC at 00:00Z on 2011-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 635 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, Greensboro/Hi Pt, NC at 00:00Z on 2011-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
635 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1928 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 31, 3:40 AM EDT, 1 hour 29 minutes earlier.

Area forecast discussion, Jul 31, 3:40 AM EDT, 1 hour 29 minutes before
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Hazardous weather outlook, Jul 31, 3:37 AM EDT, 1 hour 32 minutes before
HAZARDOUS WEATHER OUTLOOK FOR EASTERN NORTH CAROLINA
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
337 AM EDT SUN JUL 31 2011

NCZ029-044>047-079>081-090>095-098-103-104-010745-
MARTIN-PITT-WASHINGTON-TYRRELL-MAINLAND DARE-GREENE-BEAUFORT-
MAINLAND HYDE-DUPLIN-LENOIR-JONES-CRAVEN-PAMLICO-CARTERET-ONSLOW-
OUTER BANKS DARE-OUTER BANKS HYDE-
337 AM EDT SUN JUL 31 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND
TONIGHT. SOME THUNDERSTORMS MAY BECOME SEVERE WITH MAIN THREATS OF
LOCALLY HEAVY RAINFALL AND DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 31, 12:01 AM EDT, 5 hours 8 minutes before
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Special weather statement, Jul 31, 5:09 AM EDT, 0 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 31, 12:01 AM EDTSpecial Weather StatementMHXMartin59 min
Jul 31, 5:45 AM EDTSpecial Weather StatementMHXPitt60 min
Jul 31, 6:51 AM EDTSpecial Weather StatementMHXBeaufort, Pitt54 min
Jul 31, 7:28 AM EDTSpecial Weather StatementMHXWashington62 min
Jul 31, 8:30 AM EDTSpecial Weather StatementMHXBeaufort, Tyrrell, Washington60 min
Jul 31, 9:36 AM EDTSpecial Weather StatementMHXTyrrell54 min
Jul 31, 11:36 AM EDTSpecial Weather StatementMHXDare24 min
Jul 31, 12:06 PM EDTSpecial Weather StatementMHXDare54 min
Jul 31, 2:18 PM EDTSpecial Weather StatementMHXMartin, Pitt57 min
Jul 31, 2:50 PM EDTSpecial Weather StatementMHXLenoir25 min
Jul 31, 3:11 PM EDTAreal Flood AdvisoryMHXGreene, Lenoir, Martin, Pitt94 min
Jul 31, 3:21 PM EDTSpecial Weather StatementMHXJones, Lenoir, Martin, Pitt54 min
Jul 31, 3:37 PM EDTSevere Thunderstorm WarningMHXBeaufort, Martin, Washington38 min
Jul 31, 3:43 PM EDTAreal Flood AdvisoryMHXBeaufort, Craven, Jones, Lenoir, Martin, Pitt and 1 more92 min
Jul 31, 4:16 PM EDTSpecial Weather StatementMHXCraven, Jones, Onslow59 min
Jul 31, 4:19 PM EDTSpecial Weather StatementMHXTyrrell, Washington56 min
Jul 31, 4:23 PM EDTSpecial Marine WarningMHX52 min
Jul 31, 4:30 PM EDTSpecial Weather StatementMHXDuplin60 min
Jul 31, 4:33 PM EDTSevere Thunderstorm WarningMHXOnslow42 min
Jul 31, 5:15 PM EDTSpecial Weather StatementMHXOnslow60 min
Jul 31, 5:17 PM EDTSpecial Weather StatementMHXCraven58 min
Jul 31, 6:22 PM EDTSpecial Weather StatementMHXOnslow53 min
Jul 31, 6:32 PM EDTSpecial Marine WarningMHX58 min
Jul 31, 7:47 PM EDTSpecial Weather StatementMHXCarteret58 min

Nearby

Special Weather Statements in North Carolina, 2011Every special weather statement in 2011

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.