Alert archive / North Carolina / Flash Flood Watches in 2018

Flash Flood Watch 8, NWS Newport/Morehead City, NC

November 14, 201812 counties in North Carolina

NWS Newport/Morehead City, NC issued this flash flood watch at Nov 14, 2018, 3:22 AM EST for 12 counties in North Carolina. It took effect at Nov 15, 2018, 3:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Nov 14, 2018, 3:22 AM EST (08:22 UTC)
In effect from: Nov 15, 2018, 3:00 AM EST
Expired: Nov 15, 2018, 4:35 PM EST
In force: 14 hr
Issued by: NWS Newport/Morehead City, NC
Flood severity: None

Counties Beaufort County, NC, Dare County, NC, Duplin County, NC, Greene County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Pamlico County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC

The radar

The Morehead City radar (KMHX), 78 km from the middle of the area, began a volume at 08:25 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, 8.4 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 639 m above ground
0-6 km bulk shear: 88 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: -28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Nov 14, 1:00 AM EST, 2 hours 22 minutes earlier.

Area forecast discussion, Nov 14, 1:00 AM EST, 2 hours 22 minutes before

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Hazardous weather outlook, Nov 13, 10:21 PM EST, 5 hours 1 minute 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
Nov 14, 3:16 AM EST	Gale Warning	MHX		51 hr
Nov 14, 2:28 PM EST	High Surf Advisory	MHX		37 hr

Nearby

Flash Flood Watches in North Carolina, 2018 Every flash flood watch 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.