Alert archive / North Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Newport/Morehead City, NC

August 7, 2017Dare County, North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Aug 7, 2017, 8:14 AM EDT for Dare County, North Carolina. It was in force for 61 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
Aug 7, 2017, 8:14 AM EDT (12:14 UTC)
Expired
Aug 7, 2017, 9:15 AM EDT
In force
61 min
Issued by
NWS Newport/Morehead City, NC

County Dare County, NC

The radar

The Morehead City radar (KMHX), 139 km from the middle of the area, began a volume at 12:18 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, 0.2 hours before the alert went out and 138 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 2017-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1192 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 2017-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
1192 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 7, 6:33 AM EDT, 1 hour 41 minutes earlier.

Area forecast discussion, Aug 7, 6:33 AM EDT, 1 hour 41 minutes before
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Hazardous weather outlook, Aug 7, 3:57 AM EDT, 4 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service Newport/Morehead City NC
357 AM EDT Mon Aug 7 2017

NCZ029-044>047-079>081-090>094-080800-
Martin-Pitt-Washington-Tyrrell-Mainland Dare-Greene-Beaufort-
Mainland Hyde-Duplin-Lenoir-Jones-Craven-Pamlico-
357 AM EDT Mon Aug 7 2017

This Hazardous Weather Outlook is for eastern North Carolina.

.DAY ONE...Today and Tonight.

Scattered strong to possibly severe thunderstorms are forecast to
develop this afternoon into this evening ahead of a weak cold front.
Damaging wind gusts and torrential downpours will be the main
threats.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered to numerous showers and thunderstorms expected Tuesday.
Locally heavy downpours likely in spots with minor poor drainage
flooding possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ103-080800-
Outer Banks Dare-
357 AM EDT Mon Aug 7 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING FROM RODANTHE SOUTH...

This Hazardous Weather Outlook is for eastern North Carolina.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Beach Hazards Statement.

Scattered strong to possibly severe thunderstorms are forecast to
develop this afternoon into this evening ahead of a weak cold front.
Damaging wind gusts and torrential downpours will be the main
threats.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered to numerous showers and thunderstorms expected Tuesday.
Locally heavy downpours likely in spots with minor poor drainage
flooding possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ095-098-104-080800-
Carteret-Onslow-Outer Banks Hyde-
357 AM EDT Mon Aug 7 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

This Hazardous Weather Outlook is for eastern North Carolina.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Beach Hazards Statement.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered to numerous showers and thunderstorms expected Tuesday.
Locally heavy downpours likely in spots with minor poor drainage
flooding possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 7, 8:14 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Newport/Morehead City NC
814 AM EDT MON AUG 7 2017

NCZ046-047-081-103-071315-
Mainland Dare-Mainland Hyde-Tyrrell-Outer Banks Dare-
814 AM EDT MON AUG 7 2017

...A STRONG THUNDERSTORM WILL AFFECT MAINLAND DARE...NORTHEASTERN
MAINLAND HYDE...NORTHERN OUTER BANKS DARE AND SOUTHEASTERN TYRRELL
COUNTIES...

At 813 AM EDT, a strong thunderstorm was located near FORT LANDING,
or 15 miles west of Stumpy Point, moving northeast at 30 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Kill Devil Hills, Stumpy Point, Manns Harbor, Nags Head, Manteo,
WHALEBONE, COLINGTON, FORT LANDING, BUFFALO CITY, Jockeys Ridge State
Park, Roanoke Island Festival Park, Wright Brothers National
Monument, Nags Head Fishing Pier, Wanchese, Bodie Island Lighthouse,
Outer Banks Fishing Pier and Avalon Pier.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3554 7603 3570 7614 3605 7568 3566 7537
TIME...MOT...LOC 1213Z 238DEG 42KT 3567 7601

11

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:13 PM EDTBeach Hazards StatementMHX24 hr
Aug 7, 10:40 AM EDTSpecial Weather StatementMHXCarteret65 min
Aug 7, 11:51 AM EDTSpecial Weather StatementMHXDare39 min
Aug 7, 12:04 PM EDTSpecial Marine WarningMHX41 min
Aug 7, 1:43 PM EDTSpecial Weather StatementMHXOnslow62 min
Aug 7, 1:58 PM EDTSpecial Weather StatementMHXDuplin47 min
Aug 7, 2:10 PM EDTSpecial Weather StatementMHXJones35 min
Aug 7, 2:39 PM EDTSpecial Weather StatementMHXOnslow51 min
Aug 7, 2:50 PM EDTSpecial Weather StatementMHXHyde40 min
Aug 7, 3:08 PM EDTSevere Thunderstorm WarningMHXOnslow26 min
Aug 7, 3:18 PM EDTSpecial Weather StatementMHXPamlico42 min
Aug 7, 3:38 PM EDTSpecial Weather StatementMHXLenoir37 min
Aug 7, 3:39 PM EDTSpecial Weather StatementMHXTyrrell36 min
Aug 7, 3:40 PM EDTSpecial Marine WarningMHX35 min
Aug 7, 5:04 PM EDTSpecial Marine WarningMHX41 min
Aug 7, 5:05 PM EDTSpecial Weather StatementMHXCurrituck25 min

Nearby

Special Weather Statements in North Carolina, 2017Every special weather statement in 2017

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.