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Skew-T Log P Diagram

Weather Radar

2017.09.19

Weather Charts

  • Bukgangneung 2:40 p.m.

그림1.png

500 hPa

  • 상층 -18도

  • 북쪽 한랭공기 남하(절리저기압),가을

그림2.png
그림3.png

850 hPa

  • About to form cut-off low with cold core.

  • The cold air flows southward toward the area where hail occurred.

  • Cold advection blows from cold core which exists near 9 degrees Celsius.

  • There is 15 degrees Celsius line on the Korean Peninsula.

  • The temperature difference between 500hPa an 850hPa temperature is about 33 degrees, which was very large.

그림4.png

Surface

  • Jets stream crosses over the Korean Peninsula.

  • Cold front is just before to pass the Korean Peninsula.

  • A low pressure with a large temperature gradient is located, creating an unstable atmosphere.

  • When cold front moves downward, horizontal temperature gradient increases.

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