Long Fog
Only maps with statistically significant (97.5% level) areas are posted here. The colored areas mean: blue for below normal & yellow for above normal

A complete technical report describing the procedures used to produce and analyze these figures is available in .pdf format. (1.5Mb size)

Map variable Map level or type Hours prior to start of event

Temperature 500 mb 0  12 
700 mb 0  12 
850 mb 0  12  24 

Height 500 mb 0  12  24 
700 mb 0  12  24 
850 mb 0  12 
Standard deviation @ 300 0  12  24  36  48  60  72  84 
Standard deviation @ 500 0  12 

Specific Humidity 500 mb 0 
850 mb 0 
Standard deviation @ 850 0 

Surface Temperature 0  12 
Standard deviation 0  12  24  36  48  60 

Surface Wind U (zonal) component 0  12  24  36 
V (meridional) component 0  12  24  36 

U Wind 500 mb 0  12  24  36 
850 mb 0  12  24  36 
standard deviation @ 300 36  48 

V Wind 500 mb 0  12  24  36 
850 mb 0  12  24  36 

Omega 300 mb 0  12 
500 mb 0 
700 mb 0 
850 mb 0  12