Table 4: Potentially causal variables that have highest correlation coefficient (r) with the properties of inversions and low-level jets. Only with significance level exceeding 95% are marked. See the text for definition of the symbols.

VariableStatistical relationships
AWIUTUNIS

TIS : −0.40NR: −0.46
T850: 0.55No significant
correlations
Z850: 0.40
RH850: −0.56q850: −0.50
RH850: −0.50
TIDT850: 0.43 : 0.76H: 0.49
RH850: −0.45RH850: −0.56q850: −0.43
T850: 0.54
zTbNot analysed : 0.58No significant correlations
QIST850: 0.64Z850: 0.52P: −0.46
q850: 0.48U850: −0.53T850: 0.53
LCC: 0.50 : 0.43
RH850: −0.56
QIDNo significant
correlations
NR: −0.50q850: −0.40 
: −0.52
zqbSWR: : No significant correlations