500 MB HEIGHT FORECASTS VALID 12Z 1/25/2000

MRF FORECAST IN BLUE, ETA VERIFICATION IN ORANGE

132 HR MRF FCST FROM 00Z 1/20 108 HR MRF FCST FROM 00Z 1/21
84 HR MRF FCST FROM 00Z 1/22 60 HR MRF FCST FROM 00Z 1/23

There were clearly a lot of problems associated with forecasts of the 500 mb pattern, with the oldest forecasts showing trenmendous errors, especially over northern Canada. Significant errors were still evident at 60 hours, with problems in both the northern and southern streams.