####018011510#### FNUS75 KSLC 091035 SMFSLC Smoke Management Forecast National Weather Service Salt Lake City Utah 435 AM MDT Fri May 9 2025......Seaman .DISCUSSION...High pressure will strengthen overhead through Saturday maintaining a warming and drying trend. Mixing heights will be a bit limited today as this ridge strengthens, and combined with light winds will limit ventilation a bit, but Clearing Index values should exceed 500 across all air sheds. Continued warming Saturday will result in high mixing heights and ensure excellent ventilation across all air sheds. Southerly flow will strengthen Sunday into Monday, and combined with high mixing heights, will ensure excellent ventilation across all air sheds. A Graphical version of the clearing index is available at: https://www.weather.gov/slc/ClearingIndex * All heights are above sea level (ASL) unless noted otherwise * ----------------------------------------------------------------- ...AIR SHED 1... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10900 Transport Winds............. E 10 Clearing Index.............. 990 TOMORROW... Afternoon Mixing Height..... 12500 Transport Winds............. S 16 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 14300 Transport Winds............. SW 28 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 9900 Transport Winds............. SW 21 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 2... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 11600 Transport Winds............. NE 8 Clearing Index.............. 910 TOMORROW... Afternoon Mixing Height..... 12700 Transport Winds............. S 16 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 13200 Transport Winds............. SW 31 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 8400 Transport Winds............. SW 31 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 3... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 12100 Transport Winds............. NE 8 Clearing Index.............. 960 TOMORROW... Afternoon Mixing Height..... 12100 Transport Winds............. E 13 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 13100 Transport Winds............. SW 25 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 9000 Transport Winds............. SW 28 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 4... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9600 Transport Winds............. E 7 Clearing Index.............. 620 TOMORROW... Afternoon Mixing Height..... 10400 Transport Winds............. S 14 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 10200 Transport Winds............. SW 28 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 9000 Transport Winds............. SW 18 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 5... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9200 Transport Winds............. E 8 Clearing Index.............. 680 TOMORROW... Afternoon Mixing Height..... 10000 Transport Winds............. S 12 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 10300 Transport Winds............. SW 26 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 8600 Transport Winds............. S 21 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 6... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9700 Transport Winds............. NE 6 Clearing Index.............. 630 TOMORROW... Afternoon Mixing Height..... 10400 Transport Winds............. S 12 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 11100 Transport Winds............. SW 26 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 8600 Transport Winds............. SW 23 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 7... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9700 Transport Winds............. NE 8 Clearing Index.............. 710 TOMORROW... Afternoon Mixing Height..... 9500 Transport Winds............. S 12 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 10000 Transport Winds............. SW 25 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 8100 Transport Winds............. SW 30 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 8... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10100 Transport Winds............. NE 8 Clearing Index.............. 780 TOMORROW... Afternoon Mixing Height..... 11700 Transport Winds............. S 13 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 12800 Transport Winds............. SW 28 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 9700 Transport Winds............. SW 28 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 9... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 11200 Transport Winds............. N 9 Clearing Index.............. 880 TOMORROW... Afternoon Mixing Height..... 10100 Transport Winds............. SW 11 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 10600 Transport Winds............. SW 23 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 11400 Transport Winds............. SW 25 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 10... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10800 Transport Winds............. N 7 Clearing Index.............. 810 TOMORROW... Afternoon Mixing Height..... 11500 Transport Winds............. S 12 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 12000 Transport Winds............. SW 24 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 9800 Transport Winds............. SW 24 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 11... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10800 Transport Winds............. NE 8 Clearing Index.............. 870 TOMORROW... Afternoon Mixing Height..... 10200 Transport Winds............. S 12 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 11800 Transport Winds............. SW 23 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 10600 Transport Winds............. SW 28 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 12... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 11600 Transport Winds............. NE 8 Clearing Index.............. 900 TOMORROW... Afternoon Mixing Height..... 10300 Transport Winds............. S 11 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 12700 Transport Winds............. SW 22 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 11400 Transport Winds............. SW 27 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 13... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 11300 Transport Winds............. NE 7 Clearing Index.............. 850 TOMORROW... Afternoon Mixing Height..... 11100 Transport Winds............. S 11 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 12500 Transport Winds............. SW 25 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 8000 Transport Winds............. SW 28 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 14... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 11700 Transport Winds............. NE 8 Clearing Index.............. 920 TOMORROW... Afternoon Mixing Height..... 11300 Transport Winds............. E 9 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 14200 Transport Winds............. SW 22 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 10900 Transport Winds............. SW 28 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 15... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 11800 Transport Winds............. E 12 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9300 Transport Winds............. E 12 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 13300 Transport Winds............. SW 18 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 13100 Transport Winds............. SW 26 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 16... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10400 Transport Winds............. NE 8 Clearing Index.............. 840 TOMORROW... Afternoon Mixing Height..... 10200 Transport Winds............. S 12 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 11400 Transport Winds............. SW 25 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 8700 Transport Winds............. SW 27 Clearing Index.............. 1000+ $$