Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
101 FOUS54 KMRX 160554 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 154 AM EDT Wed Jul 16 2025 TNZ017-162000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 154 AM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 90 70 89 70 87 Temp 71 72 82 86 87 82 75 73 71 72 80 85 86 82 76 73 71 72 80 83 84 80 Dewpt 69 70 72 71 70 71 71 71 70 71 73 72 70 73 72 71 70 71 74 72 71 72 RH 93 93 72 61 57 69 87 93 97 97 79 65 59 74 87 93 97 97 82 70 65 77 Wind Dir SE S SW SW S SW SW S S SW W W SW SW S S S SW W W SW W Wind Spd 1 1 4 6 6 4 2 2 1 2 5 8 6 4 2 2 1 2 4 5 4 2 Clouds SC FW SC SC SC SC B2 B1 B1 SC SC B1 SC SC B1 B1 B1 B2 B2 B1 B1 B1 PoP 12hr 40 50 70 40 70 QPF 12hr 0.06 0.16 0.10 0.06 0.16 Rain shwrs C C C C C C L L C C S S C C L L C Tstms C C C C C L L C C S S S C L L C Heat index 87 91 91 87 84 90 91 87 83 88 89 84 Max heat 93 94 92 91 86 89 91 Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 71 86 69 86 70 88 70 89 Temp 72 72 82 79 72 71 82 80 72 72 84 81 72 71 85 82 Dewpt 71 71 72 73 71 71 72 73 71 72 72 73 71 70 72 73 PWind Dir SW SW SW W SW W S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 30 70 40 70 40 70 40 60 Rain shwrs C C L C S C L C S C L C S S L Tstms C C L C S C C S C C S C $$ TNZ071-162000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 154 AM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 75 93 74 92 Temp 75 76 85 91 92 87 81 77 75 77 86 91 91 87 81 77 76 77 84 89 89 85 Dewpt 71 71 74 71 70 72 72 71 71 71 74 72 71 72 72 72 72 73 75 73 72 73 RH 87 85 70 52 49 61 74 82 87 82 68 54 52 61 74 85 87 87 74 59 57 67 Wind Dir W SW SW SW SW SW SW SW SW SW SW SW SW SW S S SW SW SW SW SW SW Wind Spd 2 2 4 5 6 5 3 3 3 3 6 6 6 5 3 3 2 2 4 5 6 4 Clouds B1 SC SC SC SC SC B1 SC SC SC FW SC SC SC B1 SC SC SC SC B1 B1 B2 PoP 12hr 40 40 40 30 60 QPF 12hr 0 0.01 0.02 0.02 0.12 Rain shwrs C C C S S S S C C C C S S S S L L C Tstms C C C S S S C C C S S S L C C Heat index 93 98 98 94 85 94 99 98 94 85 92 97 96 92 Max heat 98 99 90 99 99 91 97 97 Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 90 74 91 74 93 74 95 Temp 77 75 86 83 76 76 89 83 76 76 90 85 77 76 92 87 Dewpt 73 72 73 74 73 72 73 74 73 73 74 74 74 73 73 74 PWind Dir SW SW SW SW SW SW S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC SC FW SC PoP 12hr 30 70 30 60 30 60 30 50 Rain shwrs C C L C S L C S L C S S C Tstms C C L C S C C S C C S C $$ TNZ036-162000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 154 AM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 93 73 93 74 91 Temp 73 75 85 90 91 86 79 76 75 76 85 90 90 85 79 76 74 76 84 89 89 83 Dewpt 72 73 74 72 71 72 72 72 71 72 75 73 71 73 73 73 72 73 76 74 72 74 RH 97 94 70 56 52 63 79 87 87 87 72 58 54 67 82 90 93 90 77 61 57 74 Wind Dir W SW SW SW SW SW W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 1 1 3 5 5 3 2 2 2 2 5 5 4 2 2 2 2 2 3 4 3 2 Clouds SC SC FW SC SC B1 B2 B1 B1 SC SC SC SC B1 B1 SC B1 B1 SC B1 B1 B2 PoP 12hr 50 30 50 30 70 QPF 12hr 0.01 0.02 0.03 0.02 0.13 Rain shwrs C C C S S S S C C C C S S S S L L C Tstms C C C S S S C C C C S S S S L C C Heat index 93 97 98 92 94 98 96 92 93 98 96 90 Max heat 97 99 87 98 99 88 98 98 Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 73 89 72 90 72 92 73 94 Temp 75 74 86 82 75 75 88 83 75 75 90 84 75 75 92 86 Dewpt 72 73 74 73 73 73 74 74 73 73 74 75 73 73 73 75 PWind Dir SW SW SW SW SW SW W W Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC PoP 12hr 30 70 30 70 30 60 30 50 Rain shwrs C C L C C L C S L C S S C Tstms C C L C C C C S C C S C $$ TNZ099-162000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 154 AM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 75 95 76 93 Temp 76 76 85 91 93 87 81 78 76 77 86 91 91 86 81 78 76 77 86 91 90 85 Dewpt 73 73 75 72 71 73 73 73 73 73 74 72 71 73 74 74 73 74 76 73 72 74 RH 90 90 72 54 49 63 77 85 90 87 68 54 52 65 79 88 90 90 72 56 56 70 Wind Dir S S S S S S S S S S S S S S S S S S SW S SW SW Wind Spd 1 2 4 5 5 3 2 2 2 2 4 5 6 3 2 2 1 2 3 4 5 3 Clouds SC FW FW FW SC SC SC FW SC SC FW FW SC B1 SC SC SC FW SC SC B1 B2 PoP 12hr 30 20 40 20 60 QPF 12hr 0 0 0.03 0.01 0.09 Rain shwrs C C S C C S S S S L L S Tstms C C S C C S S S S L C S Heat index 94 99100 94 86 94 99 98 93 86 96100 97 93 Max heat 99 100 92 99 99 90 100 99 Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 92 74 92 75 95 75 96 Temp 77 76 89 84 76 76 90 84 76 76 92 86 77 77 93 87 Dewpt 74 74 73 74 74 74 74 75 75 75 74 75 75 75 74 75 PWind Dir SW SW SW W W W W W Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 SC SC SC B1 SC SC B1 SC FW SC SC SC FW FW SC PoP 12hr 20 60 20 60 20 60 20 50 Rain shwrs S C L S S L S S L S S C Tstms S C L S S L S S L S S C $$ NCZ060-162000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 154 AM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 91 69 90 69 90 Temp 69 70 80 86 87 80 73 71 70 70 82 86 86 80 73 72 70 70 81 86 85 79 Dewpt 68 69 73 69 68 71 70 69 68 69 73 69 69 71 71 70 69 70 74 70 69 72 RH 97 97 79 57 53 74 90 93 93 97 74 57 57 74 93 93 97100 79 59 59 79 Min/Max RH 53 97 55 100 57 Wind Dir E SE SE S S S SE E E SE S S S S SE N N N SW SW SW S Wind Dir Deg 10 12 14 16 16 16 13 11 11 14 18 19 19 18 14 0 0 0 22 22 22 19 Wind Spd 1 2 3 5 5 3 2 1 1 1 2 4 4 2 1 0 0 0 2 3 3 2 Clouds B1 B1 SC FW SC SC SC FW B1 SC FW SC SC SC SC SC B1 SC SC B1 B2 B2 Clouds (%) 59 63 34 25 38 47 35 22 57 37 23 40 46 49 36 43 56 41 35 59 70 75 Vsby 7 7 10 10 10 10 10 10 7 8 10 10 PoP 12hr 40 30 50 30 70 QPF 12hr 0 0.02 0.07 0.02 0.28 Rain shwrs S S C C C C S S C C C C C C L L C Tstms S S C C C S S C C C S S C L L C Heat index 84 90 91 83 87 90 90 83 86 91 89 Max heat 90 91 91 91 91 90 ChanceThunder 40 30 50 30 70 Max Mix Hgt AGL Mix Hgt 5400 5400 4300 Max Vent Rt 48200 47000 15000 T Wind Dir S S SW T Wind Spd 9 9 4 ADI 48 46 14 Max LVORI 9 9 10 Stability F A B G G B B G F B B Ceiling NONE NONE NONE NONE NONE 25000 0 9800 NONE NONE 25000 Sta Pres 27.98 27.96 27.93 27.96 28.00 27.99 27.97 28.01 28.03 28.03 28.02 Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 89 68 90 68 91 69 92 Temp 70 69 84 78 70 70 86 79 70 70 88 80 71 70 88 81 Dewpt 70 69 70 71 70 70 71 72 70 70 71 72 70 70 71 72 PWind Dir S SW SW W NW W NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 70 30 70 20 60 30 60 Rain shwrs C C L C S L S S L C S S L Tstms C C L C S L S S L C S L This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$