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."