360
FNUS75 KSLC 170937
SMFSLC
SMOKE MANAGEMENT FORECAST
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH
307 AM MDT WED SEP 17 2025......CHENG
DISCUSSION
WITH A STORM SYSTEM CONTINUING TO GRAZE NORTHEAST UTAH
TODAY, GENERALLY HIGH CLEARING INDICES CAN BE EXPECTED ACROSS
EASTERN UTAH WHILE LOWER CLEARING INDICES CAN BE EXPECTED ACROSS
MUCH OF WESTERN UTAH. A DOWNWARD TREND IN MIXING CAN BE EXPECTED
TOMORROW AS HIGH PRESSURE AND ASSOCIATED WEAKER TRANSPORT WINDS MOVE
INTO THE AREA. INCREASED SOUTHWESTERLY FLOW WILL BRING IMPROVED
MIXING ONCE AGAIN FRIDAY INTO SATURDAY.
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 *
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...AIR SHED 1...
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TODAY...
AFTERNOON MIXING HEIGHT..... 6500
TRANSPORT WINDS............. N 9
CLEARING INDEX.............. 540
TOMORROW...
AFTERNOON MIXING HEIGHT..... 5500
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 370
FRIDAY...
AFTERNOON MIXING HEIGHT..... 6700
TRANSPORT WINDS............. S 10
CLEARING INDEX.............. 680
SATURDAY...
AFTERNOON MIXING HEIGHT..... 7200
TRANSPORT WINDS............. S 9
CLEARING INDEX.............. 620
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...AIR SHED 2...
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TODAY...
AFTERNOON MIXING HEIGHT..... 7400
TRANSPORT WINDS............. N 11
CLEARING INDEX.............. 780
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6500
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 460
FRIDAY...
AFTERNOON MIXING HEIGHT..... 9500
TRANSPORT WINDS............. SW 13
CLEARING INDEX.............. 1000+
SATURDAY...
AFTERNOON MIXING HEIGHT..... 8200
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 870
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...AIR SHED 3...
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TODAY...
AFTERNOON MIXING HEIGHT..... 11000
TRANSPORT WINDS............. N 12
CLEARING INDEX.............. 1000+
TOMORROW...
AFTERNOON MIXING HEIGHT..... 8200
TRANSPORT WINDS............. NE 11
CLEARING INDEX.............. 870
FRIDAY...
AFTERNOON MIXING HEIGHT..... 8300
TRANSPORT WINDS............. SW 12
CLEARING INDEX.............. 1000+
SATURDAY...
AFTERNOON MIXING HEIGHT..... 8000
TRANSPORT WINDS............. W 11
CLEARING INDEX.............. 870
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...AIR SHED 4...
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TODAY...
AFTERNOON MIXING HEIGHT..... 8200
TRANSPORT WINDS............. N 8
CLEARING INDEX.............. 660
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6600
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 480
FRIDAY...
AFTERNOON MIXING HEIGHT..... 7300
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 740
SATURDAY...
AFTERNOON MIXING HEIGHT..... 7300
TRANSPORT WINDS............. SW 9
CLEARING INDEX.............. 620
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...AIR SHED 5...
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TODAY...
AFTERNOON MIXING HEIGHT..... 7600
TRANSPORT WINDS............. NW 9
CLEARING INDEX.............. 710
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6600
TRANSPORT WINDS............. E 8
CLEARING INDEX.............. 530
FRIDAY...
AFTERNOON MIXING HEIGHT..... 8200
TRANSPORT WINDS............. SW 11
CLEARING INDEX.............. 930
SATURDAY...
AFTERNOON MIXING HEIGHT..... 7600
TRANSPORT WINDS............. S 8
CLEARING INDEX.............. 600
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...AIR SHED 6...
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TODAY...
AFTERNOON MIXING HEIGHT..... 8100
TRANSPORT WINDS............. NW 12
CLEARING INDEX.............. 960
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6800
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 460
FRIDAY...
AFTERNOON MIXING HEIGHT..... 9500
TRANSPORT WINDS............. SW 11
CLEARING INDEX.............. 1000+
SATURDAY...
AFTERNOON MIXING HEIGHT..... 8400
TRANSPORT WINDS............. W 10
CLEARING INDEX.............. 810
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...AIR SHED 7...
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TODAY...
AFTERNOON MIXING HEIGHT..... 6900
TRANSPORT WINDS............. NW 12
CLEARING INDEX.............. 790
TOMORROW...
AFTERNOON MIXING HEIGHT..... 5800
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 400
FRIDAY...
AFTERNOON MIXING HEIGHT..... 8300
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 790
SATURDAY...
AFTERNOON MIXING HEIGHT..... 8800
TRANSPORT WINDS............. SW 9
CLEARING INDEX.............. 870
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...AIR SHED 8...
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TODAY...
AFTERNOON MIXING HEIGHT..... 7600
TRANSPORT WINDS............. NW 11
CLEARING INDEX.............. 870
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6700
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 480
FRIDAY...
AFTERNOON MIXING HEIGHT..... 9800
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 960
SATURDAY...
AFTERNOON MIXING HEIGHT..... 8100
TRANSPORT WINDS............. S 9
CLEARING INDEX.............. 670
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...AIR SHED 9...
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TODAY...
AFTERNOON MIXING HEIGHT..... 7300
TRANSPORT WINDS............. N 12
CLEARING INDEX.............. 870
TOMORROW...
AFTERNOON MIXING HEIGHT..... 5300
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 350
FRIDAY...
AFTERNOON MIXING HEIGHT..... 6200
TRANSPORT WINDS............. SW 9
CLEARING INDEX.............. 540
SATURDAY...
AFTERNOON MIXING HEIGHT..... 9500
TRANSPORT WINDS............. W 10
CLEARING INDEX.............. 970
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...AIR SHED 10...
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TODAY...
AFTERNOON MIXING HEIGHT..... 7900
TRANSPORT WINDS............. NW 14
CLEARING INDEX.............. 1000+
TOMORROW...
AFTERNOON MIXING HEIGHT..... 7700
TRANSPORT WINDS............. E 7
CLEARING INDEX.............. 520
FRIDAY...
AFTERNOON MIXING HEIGHT..... 10500
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 1000+
SATURDAY...
AFTERNOON MIXING HEIGHT..... 7100
TRANSPORT WINDS............. W 9
CLEARING INDEX.............. 630
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...AIR SHED 11...
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TODAY...
AFTERNOON MIXING HEIGHT..... 8000
TRANSPORT WINDS............. N 13
CLEARING INDEX.............. 1000+
TOMORROW...
AFTERNOON MIXING HEIGHT..... 5200
TRANSPORT WINDS............. NE 8
CLEARING INDEX.............. 390
FRIDAY...
AFTERNOON MIXING HEIGHT..... 8100
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 830
SATURDAY...
AFTERNOON MIXING HEIGHT..... 10400
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 1000+
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...AIR SHED 12...
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TODAY...
AFTERNOON MIXING HEIGHT..... 9300
TRANSPORT WINDS............. NW 13
CLEARING INDEX.............. 1000+
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6200
TRANSPORT WINDS............. N 9
CLEARING INDEX.............. 530
FRIDAY...
AFTERNOON MIXING HEIGHT..... 7700
TRANSPORT WINDS............. SW 10
CLEARING INDEX.............. 750
SATURDAY...
AFTERNOON MIXING HEIGHT..... 9100
TRANSPORT WINDS............. W 11
CLEARING INDEX.............. 970
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...AIR SHED 13...
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TODAY...
AFTERNOON MIXING HEIGHT..... 8800
TRANSPORT WINDS............. NW 13
CLEARING INDEX.............. 1000+
TOMORROW...
AFTERNOON MIXING HEIGHT..... 7700
TRANSPORT WINDS............. SW 7
CLEARING INDEX.............. 550
FRIDAY...
AFTERNOON MIXING HEIGHT..... 9200
TRANSPORT WINDS............. SW 11
CLEARING INDEX.............. 1000+
SATURDAY...
AFTERNOON MIXING HEIGHT..... 7500
TRANSPORT WINDS............. W 10
CLEARING INDEX.............. 720
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...AIR SHED 14...
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TODAY...
AFTERNOON MIXING HEIGHT..... 12100
TRANSPORT WINDS............. NW 13
CLEARING INDEX.............. 1000+
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6900
TRANSPORT WINDS............. NE 11
CLEARING INDEX.............. 780
FRIDAY...
AFTERNOON MIXING HEIGHT..... 7400
TRANSPORT WINDS............. SW 12
CLEARING INDEX.............. 840
SATURDAY...
AFTERNOON MIXING HEIGHT..... 8900
TRANSPORT WINDS............. W 14
CLEARING INDEX.............. 1000+
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...AIR SHED 15...
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TODAY...
AFTERNOON MIXING HEIGHT..... 9500
TRANSPORT WINDS............. NW 14
CLEARING INDEX.............. 1000+
TOMORROW...
AFTERNOON MIXING HEIGHT..... 7300
TRANSPORT WINDS............. N 8
CLEARING INDEX.............. 560
FRIDAY...
AFTERNOON MIXING HEIGHT..... 6100
TRANSPORT WINDS............. S 10
CLEARING INDEX.............. 590
SATURDAY...
AFTERNOON MIXING HEIGHT..... 9900
TRANSPORT WINDS............. W 13
CLEARING INDEX.............. 1000+
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...AIR SHED 16...
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TODAY...
AFTERNOON MIXING HEIGHT..... 7800
TRANSPORT WINDS............. NW 13
CLEARING INDEX.............. 990
TOMORROW...
AFTERNOON MIXING HEIGHT..... 6200
TRANSPORT WINDS............. E 8
CLEARING INDEX.............. 480
FRIDAY...
AFTERNOON MIXING HEIGHT..... 8300
TRANSPORT WINDS............. SW 11
CLEARING INDEX.............. 940
SATURDAY...
AFTERNOON MIXING HEIGHT..... 8000
TRANSPORT WINDS............. W 10
CLEARING INDEX.............. 810
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