Alert archive / North Carolina / Freeze Warnings in 2024

Freeze Warning 2, NWS Newport/Morehead City, NC

November 21, 202414 counties in North Carolina

NWS Newport/Morehead City, NC issued this freeze warning at Nov 21, 2024, 1:36 PM EST for 14 counties in North Carolina. It took effect at Nov 22, 2024, 4:00 AM EST. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 21, 2024, 1:36 PM EST (18:36 UTC)
In effect from
Nov 22, 2024, 4:00 AM EST
Expired
Nov 22, 2024, 8:25 AM EST
In force
4 hr
Issued by
NWS Newport/Morehead City, NC

Counties Beaufort County, NC, Carteret County, NC, Craven County, NC, Duplin County, NC, Greene County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Onslow County, NC, Pamlico County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC

The radar

The Morehead City radar (KMHX), 63 km from the middle of the area, began a volume at 18:35 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

Roanoke, VA (KRNK), launched 12:00Z, 6.6 hours before the alert went out and 303 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, Roanoke, VA at 12:00Z on 2024-11-21Temperature 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, Roanoke, VA at 12:00Z on 2024-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1364 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
135 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
Nov 20, 10:54 PM ESTSpecial Marine WarningMHX111 min
Nov 20, 11:04 PM ESTSpecial Marine WarningMHX116 min
Nov 20, 11:55 PM ESTSpecial Marine WarningMHX2 hr
Nov 21, 12:02 AM ESTSpecial Marine WarningMHX118 min
Nov 21, 12:26 AM ESTSpecial Marine WarningMHX94 min
Nov 21, 12:36 AM ESTSpecial Marine WarningMHX114 min
Nov 21, 12:46 AM ESTSpecial Marine WarningMHX44 min
Nov 21, 1:14 AM ESTSpecial Marine WarningMHX2 hr
Nov 21, 1:25 AM ESTSpecial Marine WarningMHX2 hr
Nov 21, 2:12 AM ESTFreeze WatchMHXDuplin, Greene, Lenoir, Martin, Onslow, Pitt11 hr
Nov 21, 4:05 AM ESTGale WatchMHX10 hr
Nov 21, 1:54 PM ESTGale WarningMHX44 hr
Nov 21, 1:54 PM ESTSmall Craft AdvisoryMHX40 hr
Nov 21, 2:16 PM ESTCoastal Flood AdvisoryMHXDare44 hr

Nearby

Freeze Warnings in North Carolina, 2024Every freeze warning in 2024

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.