Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
806 FOUS54 KMRX 170746 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 346 AM EDT Tue Jun 17 2025 TNZ017-172000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 346 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 67 84 68 84 Temp 68 69 78 84 85 80 71 69 68 69 76 81 83 80 73 70 69 70 77 80 80 74 Dewpt 67 68 70 71 71 71 69 68 67 68 70 71 70 71 69 68 67 68 71 72 70 68 RH 97 97 76 65 63 74 93 97 97 97 82 72 65 74 87 93 93 93 82 77 72 82 Wind Dir S SW SW SW SW SW SW S SW SW SW SW SW SW S SW SW SW SW W SW W Wind Spd 1 1 4 6 6 4 3 2 3 5 10 11 11 6 4 3 5 6 10 12 11 6 Clouds SC B2 SC SC B1 SC B1 SC B1 B2 SC B1 SC SC SC FW B1 B2 B1 B1 B2 B2 PoP 12hr 60 60 70 30 90 QPF 12hr 0.01 0.09 0.01 0 0.43 Rain shwrs C L C C S C C L L C C C C D D C Tstms C L C C C L L S S C L C S Heat index 88 90 86 88 83 Max heat 90 91 87 90 84 85 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 85 64 89 67 91 69 92 Temp 67 67 82 79 66 68 86 83 70 71 88 84 72 73 89 85 Dewpt 67 67 66 67 63 65 68 70 67 68 70 72 69 70 71 73 PWind Dir SW W SE SW S SW SE N Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 10 0 10 5 20 10 30 Rain shwrs C S C Tstms S S C $$ TNZ071-172000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 346 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 70 86 70 85 Temp 71 72 79 84 84 78 73 72 71 72 78 83 85 81 75 73 72 73 79 82 80 75 Dewpt 69 70 72 73 72 71 69 69 68 69 72 74 73 72 71 70 70 71 74 75 72 70 RH 93 93 79 70 67 79 87 90 90 90 82 74 67 74 87 90 93 93 85 79 77 84 Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW W SW SW Wind Spd 3 4 8 10 11 9 8 6 8 10 11 11 11 8 6 6 8 9 10 10 8 5 Clouds B2 SC SC SC SC B2 B1 B1 B2 B1 B1 B1 SC SC SC SC B1 B2 B1 B1 B2 B2 PoP 12hr 60 70 70 40 90 QPF 12hr 0.03 0.06 0.05 0 0.42 Rain shwrs S S S C C L S C C C C L L S S C C L L D D S Tstms S S S C C C S S C S C L L S S S S S C L C S Heat index 90 90 90 92 85 89 84 Max heat 90 93 90 92 89 88 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 87 67 91 71 92 72 93 Temp 70 71 85 81 70 70 89 84 74 74 91 86 75 75 92 85 Dewpt 69 69 69 70 66 67 71 72 69 70 74 74 72 72 75 73 PWind Dir SW N SE SW S W S NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 20 10 0 10 5 20 10 40 Rain shwrs S S C Tstms S S C $$ TNZ036-172000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 346 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 69 85 70 84 Temp 70 71 77 83 83 76 72 71 70 71 77 82 84 79 75 73 72 73 79 82 80 75 Dewpt 69 70 72 74 73 71 70 69 69 70 73 75 75 73 72 71 71 71 75 75 73 70 RH 97 97 85 74 72 85 93 93 97 97 87 79 74 82 90 93 97 93 88 79 79 84 Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 2 3 6 9 9 8 5 5 5 6 9 9 9 6 5 5 5 6 8 8 5 3 Wind Gust 18 17 16 17 18 19 16 17 Clouds B2 B1 B1 SC B1 B2 B2 B1 OV B2 B2 B1 B1 SC SC B1 B2 B2 B1 B2 B2 B2 PoP 12hr 70 70 70 40 90 QPF 12hr 0.07 0.22 0.04 0 0.38 Rain shwrs C S C C C L S C C C C L L S S C C L L D D S Tstms S C C C C S C C S C L L S S C C C C L C S Heat index 90 89 89 92 89 84 Max heat 90 94 89 92 89 88 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 87 67 91 70 92 72 93 Temp 70 70 86 79 69 70 88 83 73 73 91 85 75 75 92 85 Dewpt 69 69 70 70 66 68 72 72 69 71 75 74 72 72 75 74 PWind Dir W SE NE S SW SW N E Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 20 10 0 10 5 20 10 40 Rain shwrs S S C Tstms S S C $$ TNZ099-172000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 346 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 71 88 72 87 Temp 72 72 80 85 84 76 73 71 71 73 78 85 87 81 75 73 72 74 82 85 83 77 Dewpt 70 71 73 74 74 71 71 71 71 71 74 75 75 73 73 72 72 73 76 75 74 72 RH 93 97 79 70 72 85 93100100 93 88 72 68 77 94 97100 97 82 72 74 85 Wind Dir S S S S S S S S S S SW SW S S S S S S SW SW SW W Wind Spd 2 4 8 10 10 6 5 4 4 5 6 9 9 5 4 3 3 4 5 8 6 4 Wind Gust 17 Clouds SC SC SC B1 B1 B2 B2 B1 B2 B1 B2 B1 SC SC SC SC SC B1 B1 B1 B2 B2 PoP 12hr 80 70 60 40 90 QPF 12hr 0.11 0.17 0.15 0 0.20 Rain shwrs S S C C L L S C C C C L L S S C C C C D D S Tstms S S C C L C S C C S C L L S S S S S C L C S Heat index 84 93 91 94 96 86 89 94 90 Max heat 93 93 94 97 94 93 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 90 70 93 73 94 74 94 Temp 71 72 88 83 71 73 90 85 74 75 92 86 76 76 92 85 Dewpt 71 71 71 71 69 69 72 72 71 72 74 73 73 74 75 74 PWind Dir W NE E S S S W NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 20 20 5 20 5 30 10 50 Rain shwrs S S S C S C Tstms S S C S C $$ NCZ060-172000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 346 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 66 84 66 85 Temp 67 68 78 83 82 76 70 68 67 68 76 81 82 78 71 69 68 68 77 82 80 73 Dewpt 66 67 70 70 70 69 68 67 66 67 71 71 70 70 69 68 67 68 73 72 70 68 RH 97 97 76 65 67 79 93 97 97 97 85 72 67 76 93 97 97100 87 72 72 84 Min/Max RH 63 100 67 100 70 Wind Dir SE S SW SW SW SW SE SE S SW SW SW SW SW S S S SW SW SW W W Wind Dir Deg 14 16 21 21 20 21 14 14 16 20 21 22 21 20 18 19 19 21 23 23 25 25 Wind Spd 1 1 4 5 6 5 2 2 2 3 5 5 6 3 2 2 2 2 4 5 5 2 Clouds B1 B1 SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1 SC SC B1 B1 B2 B1 B1 B2 B2 Clouds (%) 55 64 39 50 51 65 68 75 73 78 68 63 54 41 38 51 57 76 54 61 70 76 Vsby 7 10 10 10 10 6 10 10 7 7 10 PoP 12hr 60 70 70 40 90 QPF 12hr 0.14 0.06 0.15 0 0.27 Rain shwrs S C C L C C S C C L L C C C C C C D D C Tstms S C C C S C S S C L L C C S C L C S Heat index 87 86 85 86 87 83 Max heat 87 88 85 86 87 87 ChanceThunder 60 50 70 30 70 Max Mix Hgt AGL Mix Hgt 4000 3300 2600 Max Vent Rt 74300 60100 42300 T Wind Dir SW SW SW T Wind Spd 13 11 13 ADI 65 52 56 Max LVORI 9 6 9 Stability F B A F F B B G F B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.92 27.92 27.89 27.92 27.97 27.98 27.95 27.98 28.00 27.98 27.96 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 88 63 91 66 92 67 92 Temp 67 67 85 78 66 67 88 81 69 70 89 81 70 71 89 80 Dewpt 67 67 67 68 64 65 68 70 67 68 70 71 68 68 71 72 PWind Dir W NW E SW SE NW E N Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 30 20 5 20 10 40 20 50 Rain shwrs C S S C S S C Tstms S S S C S S C This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$