Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
910 FOUS54 KMRX 151304 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 854 AM EDT Tue Jul 15 2025 TNZ017-152000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 854 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 70 89 Temp 82 88 90 83 74 72 70 71 82 87 89 84 75 72 70 72 81 86 88 83 Dewpt 72 70 69 72 71 70 69 70 73 71 71 72 72 71 70 71 73 72 71 72 RH 72 55 50 70 90 93 97 97 74 59 56 67 90 97100 97 77 63 57 70 Wind Dir SW W W N S SE SE SE SW SW SW SW S S S SW SW SW SW SW Wind Spd 1 2 3 3 2 2 1 1 3 5 5 4 2 2 1 1 5 6 6 4 Clouds SC SC SC B1 B1 SC SC SC SC SC SC SC B1 B1 SC SC SC B1 B1 B1 PoP 12hr 60 50 60 40 70 QPF 12hr 0.05 0.05 0.04 0.04 0.09 Rain shwrs S C C S S S L L C C S S C C L L C Tstms S C C S S C L C C S C L L C Heat index 87 93 94 88 87 94 95 89 86 93 94 89 Max heat 94 96 96 97 86 94 96 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 88 70 88 70 88 70 88 Temp 72 72 85 80 72 72 85 81 72 71 85 83 72 71 86 82 Dewpt 71 71 73 73 71 71 71 72 70 71 73 73 71 71 72 72 PWind Dir S W S W S W SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 PoP 12hr 40 70 30 70 40 60 40 60 Rain shwrs C S C L C C L C S C L C S S L Tstms C C L C C L C S C C S C $$ TNZ071-152000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 854 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 73 93 74 93 Temp 86 92 93 86 79 76 74 75 85 91 92 87 80 76 74 76 85 91 92 86 Dewpt 73 71 70 72 73 73 71 72 74 73 72 72 73 72 71 72 74 73 72 72 RH 65 51 47 63 82 90 90 90 70 56 52 61 79 87 90 87 70 56 52 63 Wind Dir W W W SW NW W W SW SW SW SW S S S S SW SW SW SW SW Wind Spd 1 2 4 3 2 2 2 2 3 5 5 5 3 3 2 3 5 6 6 5 Clouds FW FW SC SC B1 SC SC SC FW SC SC SC B1 SC B1 SC SC SC SC B1 PoP 12hr 40 30 50 40 60 QPF 12hr 0.03 0.03 0.03 0.02 0.07 Rain shwrs C C S S S C C C C S S S S L L C Tstms C C S S C C C S S S L L C Heat index 93 99 99 92 93100100 94 84 93100100 92 Max heat 101 101 88 100 100 91 100 101 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 92 73 91 73 91 74 92 Temp 76 76 90 85 75 75 89 83 75 75 89 87 76 76 90 86 Dewpt 72 73 73 72 73 73 73 73 73 72 74 73 73 72 73 72 PWind Dir SW SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 SC SC B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 40 70 30 70 30 50 30 50 Rain shwrs C C L C C L C S C C S S C Tstms C C L C C L S S C C S C $$ TNZ036-152000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 854 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 94 72 93 74 92 Temp 86 92 94 87 78 75 74 75 84 91 92 86 78 76 74 75 84 90 91 85 Dewpt 74 72 71 72 72 72 71 72 74 73 72 73 73 72 71 73 74 74 73 72 RH 68 52 47 61 82 90 90 90 72 56 52 65 85 87 90 94 72 60 56 65 Wind Dir SE SW W NW NE S W SW SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 1 2 2 2 1 1 1 1 3 5 4 2 2 2 2 2 4 5 5 3 Clouds FW SC SC SC SC SC SC FW SC SC SC B1 B1 SC SC SC SC SC B1 B1 PoP 12hr 40 20 50 30 60 QPF 12hr 0.02 0.04 0.03 0.02 0.08 Rain shwrs S C S S S S C C C C S S S S L L C Tstms S C S S S C C C S S S L C C Heat index 94100101 94 91100100 93 91 99100 91 Max heat 100 101 87 100 101 90 99 101 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 91 73 90 72 91 73 92 Temp 75 75 89 83 75 74 88 82 74 74 89 85 75 75 91 84 Dewpt 72 73 74 73 73 73 73 74 73 72 73 72 72 73 73 72 PWind Dir SW SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 SC B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 30 70 20 70 20 60 30 60 Rain shwrs C C L S C L S S L C S S L Tstms C C L S C L S S L C S C $$ TNZ099-152000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 854 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 75 95 75 94 Temp 88 94 94 88 81 78 76 76 85 92 93 88 80 77 76 75 87 93 91 85 Dewpt 74 72 71 73 73 73 72 73 74 74 73 74 74 74 73 74 74 73 73 74 RH 63 49 47 61 77 85 87 90 70 56 52 63 82 90 90 97 65 52 56 70 Wind Dir N W NW NW SE S SE S S S S S S S S S S S S S Wind Spd 1 2 3 2 1 1 1 2 3 5 5 3 2 2 2 2 4 5 6 3 Clouds FW SC FW SC FW SC SC SC FW SC SC B1 SC SC SC SC FW SC SC B1 PoP 12hr 20 20 50 30 60 QPF 12hr 0 0 0.04 0.01 0.07 Rain shwrs S S S S C C C C S S L L C Tstms S S S C C C S S L C C Heat index 97102101 96 86 93102102 97 85 95102100 93 Max heat 102 104 92 102 103 93 102 102 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 92 74 92 74 94 74 93 Temp 77 76 90 84 76 76 89 83 76 74 91 87 76 76 91 86 Dewpt 74 74 73 74 74 73 73 73 73 74 73 73 74 74 72 73 PWind Dir S S S SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 SC SC B1 SC SC SC B1 SC FW SC SC SC FW SC SC PoP 12hr 30 70 20 60 20 50 20 60 Rain shwrs C S L S S L S S C S S S L Tstms C S L S S L S S C S S C $$ NCZ060-152000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 854 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 92 68 89 69 89 Temp 84 91 87 79 72 70 69 70 80 86 88 80 72 71 70 69 81 86 87 80 Dewpt 72 70 70 71 70 70 68 69 73 71 70 72 71 70 69 69 74 71 71 72 RH 67 50 57 77 93100 97 97 79 61 55 77 97 97 97100 79 61 59 77 Min/Max RH 50 100 55 100 55 Wind Dir N W S SE E E E E SE S S S SE SE SE SE S S S S Wind Dir Deg 0 24 17 12 10 11 11 11 15 17 17 16 13 14 13 15 18 19 18 18 Wind Spd 0 2 2 2 1 1 1 1 2 4 4 2 2 1 1 1 2 4 4 3 Clouds FW SC B1 SC SC SC B1 B1 SC SC B1 B1 B1 SC B1 SC SC B1 B1 B1 Clouds (%) 8 30 56 41 46 37 59 66 33 48 51 60 52 43 56 43 35 62 56 52 Vsby 10 10 10 10 10 7 7 7 10 6 6 10 PoP 12hr 50 40 60 50 70 QPF 12hr 0.23 0.01 0.09 0.03 0.17 Rain shwrs C C C S S S C C L L C C S S C C L L C Tstms C C C S C L L C S S C L L C Heat index 90 97 92 84 91 93 84 86 91 93 84 Max heat 97 94 91 93 91 93 ChanceThunder 50 40 60 40 70 Max Mix Hgt AGL Mix Hgt 5800 5200 5000 Max Vent Rt 26500 30000 57700 T Wind Dir S S S T Wind Spd 3 5 8 ADI 23 26 50 Max LVORI 7 9 9 Stability A A G F A B G G B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE 25000 0 Sta Pres 27.96 27.93 27.96 27.98 27.96 27.93 27.96 28.00 27.99 27.97 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 89 67 91 67 90 Temp 70 70 85 78 70 68 86 78 69 68 87 82 70 68 87 81 Dewpt 70 70 71 72 70 68 71 71 69 68 71 71 70 68 70 71 PWind Dir S S S SW SW W S W Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC B1 B1 B1 SC B1 B1 SC SC B1 SC SC SC B1 PoP 12hr 40 70 30 70 30 60 30 60 Rain shwrs C S L C C L C S L C S L Tstms C S L C C L C S L C 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 $$