Record Cold Halloween!

Surface Map Forecast. Valid At 6 AM MDT Wednesday Oct 30th, 2019. NAM 12 KM Precipitation Type Forecast. Valid At 6 AM MDT Wednesday Oct 30th, 2019. NWS Storm Total Snowfall Forecast. Valid Today Through 6 PM MDT Wednesday, Oct 30th, 2019. GFS 500 MB (18,000') Forecast. Valid At 6 PM MDT Today. Record Cold Halloween. Early this Tuesday morning a powerful mid-upper level storm was developing over the Great Basin. By tonight a closed low will be approaching the Four Corners Region. As this anomalously deep ( see the NWS AFD issued at 3:32 AM MDT this morning ) closed low swings across northern New Mexico and southern Colorado Wednesday into Halloween it will send a record cold airmass southward into the area. Areas of fog, light drizzle, light rain may change over to light freezing drizzle and light freezing rain with pockets of light snow over our far northern areas later tonight into Wednesday morning. NWS Forecast High Tempera...