Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Newport/Morehead City, NC

August 7, 20214 counties in North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Aug 7, 2021, 2:33 PM EDT for 4 counties in North Carolina. It was in force for 42 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, 2021, 2:33 PM EDT (18:33 UTC)
Expired
Aug 7, 2021, 3:15 PM EDT
In force
42 min
Issued by
NWS Newport/Morehead City, NC
Hail
0.00 in
Wind
30

Counties Greene County, NC, Lenoir County, NC, Martin County, NC, Pitt County, NC

The radar

The Raleigh/Durham radar (KRAX), 101 km from the middle of the area, began a volume at 18:37 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, 6.6 hours before the alert went out and 116 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 2021-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1428 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2021-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
1428 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

335 
WWUS82 KMHX 071833
SPSMHX

Special Weather Statement
National Weather Service Newport/Morehead City NC
233 PM EDT Sat Aug 7 2021
 
NCZ029-044-079-080-091-071915-
Greene NC-Beaufort NC-Lenoir NC-Martin NC-Pitt NC-
233 PM EDT Sat Aug 7 2021

...Strong thunderstorms with heavy rain will impact portions of 
Greene, northern Lenoir, Pitt, western Martin and northwestern 
Beaufort Counties through 315 PM EDT...

At 232 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Lewiston Woodville to 8 miles northwest 
of Farmville to 10 miles west of Mount Olive. Movement was east at 
30 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Greenville, Kinston, Winterville, Williamston, Ayden, Farmville, La
Grange, Bethel, Grifton, Stokes, Snow Hill, Bell Arthur,
Robersonville, Pactolus, House, Bruce, Dawson, Graingers, Institute
and Jason.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3601 7721 3593 7719 3593 7709 3594 7705
      3589 7702 3586 7704 3586 7701 3570 7713
      3517 7762 3519 7783 3534 7782 3538 7780
      3543 7783 3557 7782 3580 7747 3583 7739
      3582 7735 3591 7734 3600 7741 3607 7733
TIME...MOT...LOC 1832Z 249DEG 34KT 3606 7723 3567 7772 3525 7826 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

27

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 7:01 AM EDTSpecial Weather StatementMHXDuplin29 min
Aug 7, 8:26 AM EDTAreal Flood AdvisoryMHXGreene, Lenoir, Martin, Pitt2 hr
Aug 7, 11:02 AM EDTSpecial Marine WarningMHX43 min
Aug 7, 12:54 PM EDTSpecial Marine WarningMHX36 min
Aug 7, 2:48 PM EDTAreal Flood AdvisoryMHXBeaufort, Greene, Martin, Pitt117 min
Aug 7, 3:13 PM EDTSpecial Weather StatementMHXGreene, Pitt47 min
Aug 7, 5:35 PM EDTAreal Flood AdvisoryMHXDuplin, Lenoir85 min
Aug 7, 6:58 PM EDTAreal Flood AdvisoryMHXDuplin, Jones, Lenoir2 hr

Nearby

Special Weather Statements in North Carolina, 2021Every special weather statement in 2021

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.