Alert archive / North Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Newport/Morehead City, NC

August 20, 2018Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Aug 20, 2018, 3:01 PM EDT for Onslow County, North Carolina. It was in force for 74 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 20, 2018, 3:01 PM EDT (19:01 UTC)
Expired: Aug 20, 2018, 4:15 PM EDT
In force: 74 min
Issued by: NWS Newport/Morehead City, NC

County Onslow County, NC

The radar

The Morehead City radar (KMHX), 35 km from the middle of the area, began a volume at 19:00 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 12:00Z, 7.0 hours before the alert went out and 276 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 430 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 516 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 20, 2:53 PM EDT, 8 minutes earlier.

Area forecast discussion, Aug 20, 2:53 PM EDT, 8 minutes before

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Hazardous weather outlook, Aug 20, 11:16 AM EDT, 3 hours 45 minutes before

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In the hours before

Special weather statement, Aug 20, 3:01 PM 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.

Issued	Product	Office	Counties	Lasted
Aug 19, 8:27 PM EDT	Special Weather Statement	MHX	Duplin	48 min
Aug 19, 9:04 PM EDT	Special Weather Statement	MHX	Craven	56 min
Aug 19, 9:59 PM EDT	Special Weather Statement	MHX	Craven	61 min
Aug 19, 11:03 PM EDT	Special Weather Statement	MHX	Craven, Pamlico	57 min
Aug 20, 12:47 AM EDT	Special Weather Statement	MHX	Craven, Jones	43 min
Aug 20, 1:32 AM EDT	Areal Flood Advisory	MHX	Craven, Jones	118 min
Aug 20, 2:04 AM EDT	Special Weather Statement	MHX	Craven	41 min
Aug 20, 2:18 AM EDT	Special Weather Statement	MHX	Lenoir	42 min
Aug 20, 3:03 AM EDT	Special Weather Statement	MHX	Craven	42 min
Aug 20, 3:30 AM EDT	Special Weather Statement	MHX	Dare	45 min
Aug 20, 3:33 AM EDT	Special Weather Statement	MHX	Beaufort	42 min
Aug 20, 4:27 AM EDT	Special Weather Statement	MHX	Duplin	48 min
Aug 20, 5:14 AM EDT	Areal Flood Advisory	MHX	Craven, Duplin, Jones, Lenoir, Onslow	2 hr
Aug 20, 5:23 AM EDT	Special Weather Statement	MHX	Craven, Jones	52 min
Aug 20, 12:56 PM EDT	River Flood Warning	MHX	Jones	71 hr
Aug 20, 1:30 PM EDT	Special Marine Warning	MHX		60 min
Aug 20, 6:22 PM EDT	Areal Flood Advisory	MHX	Craven, Jones, Lenoir, Onslow	113 min
Aug 20, 7:11 PM EDT	Special Weather Statement	MHX	Dare	64 min

Nearby

Special Weather Statements in North Carolina, 2018 Every special weather statement in 2018

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.