Alert archive / North Carolina / Mesoscale Discussions in 2024

Mesoscale Discussion 41

January 9, 202425 counties in North Carolina; Southampton County, City of Franklin, City of Suffolk, Virginia

The Storm Prediction Center issued this mesoscale discussion at Jan 9, 2024, 7:25 PM EST for 25 counties in North Carolina; Southampton County, City of Franklin, City of Suffolk, Virginia. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Jan 9, 2024, 7:25 PM EST (00:25 UTC)
Expired
Jan 9, 2024, 9:00 PM EST
In force
95 min
Issued by
the Storm Prediction Center
Concerning
Tornado watch 7
All 28 counties

Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Currituck County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, New Hanover County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, City of Franklin, VA, City of Suffolk, VA, Southampton County, VA

The radar

The Morehead City radar (KMHX), 50 km from the middle of the area, began a volume at 00:24 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 00:00Z, 0.4 hours before the alert went out and 49 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, Newport, NC at 00:00Z on 2024-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 176 joules per kilogram.LCLLFCEL10008507005003002001001 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, Newport, NC at 00:00Z on 2024-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1067 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
176 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
1067 m²/s²
0-3 km storm-relative helicity
1216 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in North Carolina, 2024Mesoscale Discussions in Virginia, 2024Every mesoscale discussion 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.