Table 3: Mean dewpoint depression at three levels (1000–850 hPa, 850–600 hPa, and 600–400 hPa) for mean soundings prior to, during, and after MCS progression through the domain for each case type. Statistical significance of these values at 95% based on a student's t-test is also indicated.

Before MCS (°C)During MCS (°C)After MCS (°C)

600–400 hPa
TCP−9.23−9.07−4.00
NTCP−11.31−11.11−11.06
Stat. Sign. 95%YesYesYes
850–600 hPa
TCP−7.24−5.64−3.96
NTCP−6.36−5.46−7.04
Stat. Sign. 95%YesYesYes
1000–850 hPa
TCP−3.25−4.06−4.51
NTCP−6.40−5.31−6.37
Stat. Sign. 95%YesYesYes