Alert archive / North Carolina / Coastal Flood Advisories in 2021
Coastal Flood Advisory 9, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this coastal flood advisory at Oct 29, 2021, 4:52 PM EDT for Dare County, North Carolina. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Oct 29, 2021, 4:52 PM EDT (20:52 UTC)
- Expired
- Oct 30, 2021, 12:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Newport/Morehead City, NC
County Dare County, NC
The radar
The Morehead City radar (KMHX), 150 km from the middle of the area, began a volume at 20:52 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, 8.9 hours before the alert went out and 150 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.
- Mixed-layer CAPE
- 523 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 683 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 298 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.0
What forecasters said that day
The local office's own words before this coastal flood advisory 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 coastal flood advisory went out at Oct 29, 3:25 PM EDT, 1 hour 27 minutes earlier.
Area forecast discussion, Oct 29, 3:25 PM EDT, 1 hour 27 minutes before
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</html>Hazardous weather outlook, Oct 29, 2:45 PM EDT, 2 hours 7 minutes before
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<div class="status" id="status">Temporary Notice</div>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
Please try again in a few minutes.
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</html>The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 7:00 AM EDT | Areal Flood Advisory | MHX | Craven | 2 hr |
| Oct 29, 7:24 AM EDT | Special Weather Statement | MHX | Pamlico | 66 min |
| Oct 29, 7:49 AM EDT | Special Marine Warning | MHX | 26 min | |
| Oct 29, 6:47 PM EDT | Beach Hazards Statement | MHX | Carteret, Dare, Hyde | 25 hr |
| Oct 29, 7:42 PM EDT | Small Craft Advisory | MHX | 50 hr |
Nearby
Coastal Flood Advisories in North Carolina, 2021Every coastal flood advisory 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.