Alert archive / North Carolina / Frost Advisories in 2022

Frost Advisory 1, NWS Newport/Morehead City, NC

March 27, 2022Carteret County, Dare County, North Carolina

NWS Newport/Morehead City, NC issued this frost advisory at Mar 27, 2022, 7:11 PM EDT for Carteret County, Dare County, North Carolina. It took effect at Mar 28, 2022, 4:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Mar 27, 2022, 7:11 PM EDT (23:11 UTC)
In effect from
Mar 28, 2022, 4:00 AM EDT
Expired
Mar 28, 2022, 9:00 AM EDT
In force
5 hr
Issued by
NWS Newport/Morehead City, NC

Counties Carteret County, NC, Dare County, NC

The radar

The Morehead City radar (KMHX), 90 km from the middle of the area, began a volume at 23:10 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, 11.2 hours before the alert went out and 348 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, Greensboro/Hi Pt, NC at 12:00Z on 2022-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 2022-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1614 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 3:19 AM EDTFreeze WarningMHXBeaufort, Carteret, Craven, Dare, Duplin, Greene and 9 more30 hr

Nearby

Frost Advisories in North Carolina, 2022Every frost advisory in 2022

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.