Sounding Type Question

Skew-T plot of sounding: Jackson, MS 00z 25 Apr 2003

This sounding was taken 0000 UTC 25 April 2003 at Jackson, MS (JAN). Severe weather occurred within a few hours of this sounding.

How would you classify this sounding?
Type I
Type II
Type III
Type IV

Incorrect. Type I soundings are characterized by a moist, fairly well-mixed layer of at least 100-150 hPa depth, separated from a dry layer above by a capping inversion. This gives a goalpost appearance to the sounding.
Correct. This sounding is best classified as Type II. Note the relatively warm temperatures, the deep moisture, and the absence of a low-level inversion. Storm reports indicate several tornadoes occurred, along with large hail, high winds, and local flooding.
Incorrect. Type III sounding appear similar to Type II soundings, but are 10-15°C cooler.
Incorrect. Type IV soundings are characterized by a relatively dry, well-mixed lower layer, with RH increasing with height, giving the appearance of an "inverted V."
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