Skew-T Log P Diagram

Weather Radar

Damyang County, Jangseong County, and Gokseong County in South Jeolla Province, from 5:10 p.m. to 7 p.m.

The cut-off low appears with cold core that has cold air of -28 degrees Celsius.
The Korean Peninsula is located in trough, so the cold air moves southward from the north.
Cold advection: an inflow of cold air into Korea.
There is a -15 degrees Celsius line near the area that hailstone have occurred.
Cold air at the upper level + strong vorticity -> just before being cut-off low

The upper jet is blowing toward Korea and jet streak exists near the upper part of Korea.
The temperature difference between surface level and 500hPa level is more than 35 degrees Celsius.
The Korea Peninsula is located in the east side of the trough which indicates high possibility of strong low-pressure updraft.
The upper level jet is blowing toward Korea so the cold air moves southward from the north.
Low pressure system in Korea can create convective clouds.