


Smoke Management Weather Forecast
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
465 FNUS75 KSLC 050938 SMFSLC Smoke Management Forecast National Weather Service Salt Lake City Utah 338 AM MDT Mon May 5 2025......Seaman .DISCUSSION...A slow moving low pressure system will bring widespread precipitation to the region today, boosting the Clearing Index to 1000+. This low will begin moving away from the area Tuesday, with a more stable airmass settling over the area. This will limit mixing, and keep the Clearing Index near 500 across many air sheds which don`t receive precipitation. By Wednesday mixing heights will increase somewhat, however with a decrease in winds Clearing Index will again be somewhat limited, particularly across western Utah. Deeper mixing is expected Thursday into Friday as the airmass warms. 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..... 5600 Transport Winds............. N 21 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 4900 Transport Winds............. N 13 Clearing Index.............. 630 WEDNESDAY... Afternoon Mixing Height..... 6700 Transport Winds............. N 8 Clearing Index.............. 530 THURSDAY... Afternoon Mixing Height..... 8700 Transport Winds............. SE 9 Clearing Index.............. 700 ----------------------------------------------------------------- ...AIR SHED 2... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3400 Transport Winds............. N 16 Clearing Index.............. 940 TOMORROW... Afternoon Mixing Height..... 4800 Transport Winds............. N 11 Clearing Index.............. 680 WEDNESDAY... Afternoon Mixing Height..... 7300 Transport Winds............. NW 8 Clearing Index.............. 600 THURSDAY... Afternoon Mixing Height..... 8300 Transport Winds............. N 9 Clearing Index.............. 740 ----------------------------------------------------------------- ...AIR SHED 3... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3500 Transport Winds............. N 11 Clearing Index.............. 700 TOMORROW... Afternoon Mixing Height..... 6200 Transport Winds............. W 11 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 7000 Transport Winds............. W 10 Clearing Index.............. 700 THURSDAY... Afternoon Mixing Height..... 8100 Transport Winds............. W 10 Clearing Index.............. 830 ----------------------------------------------------------------- ...AIR SHED 4... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5100 Transport Winds............. N 18 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 6200 Transport Winds............. E 18 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 6000 Transport Winds............. E 10 Clearing Index.............. 630 THURSDAY... Afternoon Mixing Height..... 7100 Transport Winds............. W 9 Clearing Index.............. 640 ----------------------------------------------------------------- ...AIR SHED 5... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4500 Transport Winds............. NE 13 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 5000 Transport Winds............. E 14 Clearing Index.............. 820 WEDNESDAY... Afternoon Mixing Height..... 5500 Transport Winds............. E 12 Clearing Index.............. 630 THURSDAY... Afternoon Mixing Height..... 6900 Transport Winds............. NW 9 Clearing Index.............. 610 ----------------------------------------------------------------- ...AIR SHED 6... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4500 Transport Winds............. E 10 Clearing Index.............. 950 TOMORROW... Afternoon Mixing Height..... 5400 Transport Winds............. E 16 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 5900 Transport Winds............. N 9 Clearing Index.............. 760 THURSDAY... Afternoon Mixing Height..... 7900 Transport Winds............. NW 10 Clearing Index.............. 810 ----------------------------------------------------------------- ...AIR SHED 7... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5100 Transport Winds............. E 12 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 3700 Transport Winds............. E 16 Clearing Index.............. 850 WEDNESDAY... Afternoon Mixing Height..... 4800 Transport Winds............. NE 8 Clearing Index.............. 470 THURSDAY... Afternoon Mixing Height..... 8200 Transport Winds............. NW 13 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 8... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3800 Transport Winds............. N 11 Clearing Index.............. 790 TOMORROW... Afternoon Mixing Height..... 4600 Transport Winds............. N 10 Clearing Index.............. 570 WEDNESDAY... Afternoon Mixing Height..... 6100 Transport Winds............. NW 8 Clearing Index.............. 500 THURSDAY... Afternoon Mixing Height..... 7200 Transport Winds............. N 9 Clearing Index.............. 630 ----------------------------------------------------------------- ...AIR SHED 9... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 7700 Transport Winds............. S 12 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 6500 Transport Winds............. NE 17 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 6400 Transport Winds............. NW 9 Clearing Index.............. 580 THURSDAY... Afternoon Mixing Height..... 7900 Transport Winds............. NW 10 Clearing Index.............. 730 ----------------------------------------------------------------- ...AIR SHED 10... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5000 Transport Winds............. N 11 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 5100 Transport Winds............. NE 10 Clearing Index.............. 790 WEDNESDAY... Afternoon Mixing Height..... 6000 Transport Winds............. NW 10 Clearing Index.............. 830 THURSDAY... Afternoon Mixing Height..... 7400 Transport Winds............. NW 10 Clearing Index.............. 730 ----------------------------------------------------------------- ...AIR SHED 11... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 7100 Transport Winds............. S 13 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 6300 Transport Winds............. NE 17 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 6400 Transport Winds............. N 8 Clearing Index.............. 660 THURSDAY... Afternoon Mixing Height..... 8200 Transport Winds............. NW 10 Clearing Index.............. 800 ----------------------------------------------------------------- ...AIR SHED 12... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5900 Transport Winds............. SE 12 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 7100 Transport Winds............. N 11 Clearing Index.............. 970 WEDNESDAY... Afternoon Mixing Height..... 7000 Transport Winds............. NW 9 Clearing Index.............. 890 THURSDAY... Afternoon Mixing Height..... 8400 Transport Winds............. NW 9 Clearing Index.............. 760 ----------------------------------------------------------------- ...AIR SHED 13... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3900 Transport Winds............. NE 11 Clearing Index.............. 770 TOMORROW... Afternoon Mixing Height..... 4300 Transport Winds............. N 9 Clearing Index.............. 710 WEDNESDAY... Afternoon Mixing Height..... 6600 Transport Winds............. NW 10 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 8400 Transport Winds............. NW 11 Clearing Index.............. 880 ----------------------------------------------------------------- ...AIR SHED 14... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4500 Transport Winds............. E 11 Clearing Index.............. 890 TOMORROW... Afternoon Mixing Height..... 6700 Transport Winds............. W 11 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 7700 Transport Winds............. W 9 Clearing Index.............. 980 THURSDAY... Afternoon Mixing Height..... 9100 Transport Winds............. W 10 Clearing Index.............. 930 ----------------------------------------------------------------- ...AIR SHED 15... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5100 Transport Winds............. SE 13 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 7100 Transport Winds............. NW 11 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 7000 Transport Winds............. W 9 Clearing Index.............. 990 THURSDAY... Afternoon Mixing Height..... 8600 Transport Winds............. NW 10 Clearing Index.............. 850 ----------------------------------------------------------------- ...AIR SHED 16... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4400 Transport Winds............. E 12 Clearing Index.............. 980 TOMORROW... Afternoon Mixing Height..... 4800 Transport Winds............. NE 12 Clearing Index.............. 820 WEDNESDAY... Afternoon Mixing Height..... 6000 Transport Winds............. NW 10 Clearing Index.............. 780 THURSDAY... Afternoon Mixing Height..... 7900 Transport Winds............. NW 10 Clearing Index.............. 810 $$