Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
191 FOUS54 KMRX 131751 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 151 PM EDT Sun Jul 13 2025 TNZ017-140800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 151 PM EDT Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 88 69 90 69 Temp 85 81 72 70 69 70 78 84 86 82 73 71 69 71 81 86 86 81 74 72 70 71 Dewpt 72 71 70 69 69 70 72 72 71 72 71 70 69 70 73 73 72 72 71 70 69 71 RH 65 72 93 97100100 82 67 61 72 93 97100 97 77 65 63 74 90 93 97100 Wind Dir W W SW S S S SW W W E S SE E E SW W SW SE SE SE SE SE Wind Spd 5 3 2 1 1 1 2 4 4 2 1 1 1 1 1 3 3 2 2 1 1 1 Clouds SC FW FW SC B1 B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 40 30 70 40 QPF 12hr 0 0.02 0.02 0.07 0.03 Rain shwrs C C S S C C C S S L L C C C Tstms C C S S C C S S C L C S S Heat index 91 84 90 91 87 86 93 93 86 Max heat 92 92 94 94 95 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 70 89 70 89 70 87 70 89 Temp 85 82 72 72 85 82 72 72 84 82 72 71 83 81 72 71 84 81 Dewpt 73 73 70 71 73 73 71 71 74 73 71 71 74 72 70 71 73 72 PWind Dir SW S SW SW SW SW W S W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 70 40 70 30 70 40 70 40 50 Rain shwrs C L C S C L C S C L C C C L C S C C Tstms C L C S C L C C C C S C C S C $$ TNZ071-140800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 151 PM EDT Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 93 72 94 73 Temp 88 83 77 73 72 74 84 89 91 86 78 75 74 75 85 92 94 87 79 77 74 75 Dewpt 73 71 72 71 70 71 73 73 72 72 72 72 71 72 74 74 72 72 73 73 71 73 RH 61 67 85 93 93 90 70 59 54 63 82 90 90 90 70 56 49 61 82 87 90 94 Wind Dir W W S SW S SW W W W NW SE E E E W W W W E S S S Wind Spd 5 4 2 1 1 1 2 3 5 3 2 1 1 1 1 3 3 3 2 2 2 2 Clouds B1 SC SC FW B1 SC SC SC SC SC SC SC SC SC FW SC SC SC B1 SC B1 SC PoP 12hr 20 30 20 50 40 QPF 12hr 0 0 0 0.04 0.03 Rain shwrs C S S C S S C C C C S S C Tstms C S S C S S C C C S S S Heat index 96 88 90 97 99 92 93102102 94 Max heat 98 84 97 101 87 102 103 90 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 73 92 73 91 73 91 73 92 Temp 91 85 76 75 90 85 76 75 89 84 76 75 88 83 76 75 89 86 Dewpt 75 72 72 72 75 72 72 72 74 73 72 72 74 72 72 72 74 71 PWind Dir SW S SW SW SW SW SW S W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC B1 SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 60 30 60 30 70 30 60 30 50 Rain shwrs C L C S C L C S C L C S S L C S S C Tstms S L C C L C S S L C S L C S C $$ TNZ036-140800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 151 PM EDT Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 91 71 93 72 Temp 86 82 75 72 71 72 84 89 90 84 76 73 72 74 85 91 91 85 78 75 73 74 Dewpt 74 72 71 71 70 71 74 74 73 72 72 72 71 72 75 74 73 73 72 73 71 73 RH 68 72 87 97 97 97 72 61 58 67 87 97 97 93 72 58 56 67 82 94 93 97 Wind Dir SW SW W SW SW SW SW W W NW NE N N NE SW SW W NW NE N SW SW Wind Spd 3 2 1 1 1 1 1 2 2 2 1 1 1 1 1 2 2 2 1 1 1 1 Clouds B2 SC FW SC SC B1 FW SC SC SC SC SC SC SC FW SC SC B1 SC SC SC SC PoP 12hr 20 40 20 50 30 QPF 12hr 0.02 0 0 0.03 0.02 Rain shwrs S S S C C S S C C C C S Tstms S S S C C S S C C C S Heat index 94 87 91 98 98 90 94101100 92 Max heat 97 98 99 84 101 102 89 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 73 91 72 91 72 91 72 91 Temp 90 84 75 75 89 84 75 75 89 83 75 74 88 83 75 74 89 84 Dewpt 75 73 72 72 75 73 72 73 75 73 72 72 75 73 72 72 74 72 PWind Dir SW SW SW SW SW SW SW W W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 60 30 70 30 70 30 70 30 50 Rain shwrs S L C C L C S C L C S C L C S C C Tstms S L C C L C S C L C C L S S C $$ TNZ099-140800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 151 PM EDT Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 95 74 96 74 Temp 90 83 78 74 73 75 86 91 92 87 80 76 74 76 87 93 93 86 80 77 75 76 Dewpt 73 73 73 72 71 72 74 74 73 73 74 74 73 74 75 75 73 74 74 73 73 73 RH 58 72 85 93 93 90 68 58 54 63 82 94 97 94 68 56 52 68 82 87 94 90 Wind Dir E W SW W N N NW NW W W NW N N N N W W W SE S S S Wind Spd 5 3 1 1 0 0 1 2 4 3 1 1 1 1 2 2 3 2 1 1 1 1 Clouds SC SC SC FW FW FW FW SC FW SC SC FW SC FW FW FW SC SC SC SC SC SC PoP 12hr 10 30 5 40 30 QPF 12hr 0 0 0 0.03 0.01 Rain shwrs C S S C C C C S S S Tstms C S S C C C S Heat index 98 89 94101101 94 85 96105102 94 85 Max heat 101 84 101 103 90 105 105 91 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 74 93 74 92 74 92 74 93 Temp 91 85 76 75 90 84 76 75 89 83 76 75 89 83 76 75 90 85 Dewpt 75 74 74 74 75 74 74 73 75 73 74 73 75 74 74 73 75 74 PWind Dir S S S S S SW SW W W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 SC SC SC PoP 12hr 60 20 70 20 70 20 70 30 60 Rain shwrs S L S C L S S L S S L C S L Tstms S L S C L S S L S S L C S C $$ NCZ060-140800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 151 PM EDT Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 91 67 92 68 Temp 87 79 71 68 67 68 82 87 88 81 73 69 67 69 83 88 88 79 72 70 69 69 Dewpt 69 70 69 68 66 67 72 71 70 71 70 69 67 69 73 72 71 72 71 70 69 69 RH 55 74 93100 97 97 72 59 55 72 90100100100 72 59 57 79 97100100100 Max/Min RH 100 55 100 56 100 Wind Dir NW NW N N N N NW NW NW NW N N N N W W NW SE SE SE SE SE Wind Dir Deg 29 29 0 0 0 0 31 29 30 30 0 0 0 0 25 25 29 12 13 13 12 14 Wind Spd 5 2 0 0 0 0 2 3 4 2 0 0 0 0 1 2 3 2 1 1 1 1 Clouds SC SC FW FW B1 B1 FW FW FW FW SC SC SC SC FW SC B1 B2 B1 SC B2 B1 Clouds (%) 35 33 18 14 52 54 9 19 19 15 27 30 45 26 16 33 58 73 59 41 72 52 Vsby 10 10 10 10 7 7 10 10 10 10 10 10 PoP 12hr 10 30 20 70 50 QPF 12hr 0 0 0 0.09 0.07 Rain shwrs C C C S S S S L L C C S S C Tstms C C C S S S L L C S S Heat index 91 87 93 93 85 89 95 94 Max heat 93 93 93 95 96 ChanceThunder 10 30 20 70 40 Max Mix Hgt AGL Mix Hgt 4900 5700 Max Vent Rt 34200 36700 T Wind Dir NW W T Wind Spd 6 5 ADI Max LVORI Stability MM MM MM MM MM MM MM MM MM MM MM Ceiling MM MM MM MM MM MM MM MM MM MM MM Sta Pres MM MM MM MM MM MM MM MM MM MM MM Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 68 89 68 89 68 89 68 89 Temp 85 78 70 69 84 77 70 70 84 79 70 70 85 78 70 69 85 79 Dewpt 73 72 70 69 73 72 70 70 73 72 70 70 73 71 70 69 72 72 PWind Dir S SE S SE SW S W E NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 80 50 80 30 80 30 70 40 60 Rain shwrs C D C S C D C C D C C L C S C L Tstms C L C C L C S L C C 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 $$