The 500 mb maps below indicate that the high pressure center has moved slightly to the south and east since yesterday, now located across northern Arizona. The same "cool" northwesterly flow will be across Colorado again, keeping our temperatures seasonal despite the massive ridge in place. Embedded in this northwest flow today is an extremely weak disturbance. You can see this feature …

Ben Castellani

Ben Castellani

Ben grew up in southwestern Pennsylvania and holds both a bachelor's and a master's degree in Meteorology, the latter being from CU Boulder. His hometown received nearly three feet of snow from the Storm of the Century back in March of 1993, sparking his initial interest in impactful weather. Ben currently works on remote sensing and data analysis software at NV5 Geospatial Software in Boulder.

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