Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
846 FOUS54 KMRX 141711 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 111 PM EDT Mon Jul 14 2025 TNZ017-150800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 111 PM EDT Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu 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 89 70 88 70 Temp 86 82 74 71 69 71 81 86 88 83 75 72 70 72 81 86 87 82 75 72 71 72 Dewpt 70 71 70 69 69 70 73 71 70 72 71 70 69 71 73 72 72 73 72 71 69 71 RH 59 69 87 93100 97 77 61 55 70 87 93 97 97 77 63 61 74 90 97 93 97 Wind Dir W NW SE S E SE W W W SE SE SE SE S SW SW SW SW S S S S Wind Spd 5 3 1 1 0 0 1 3 3 3 2 1 1 1 2 5 5 3 2 2 1 1 Clouds SC SC SC FW B1 B1 SC SC SC SC B1 SC B1 SC SC SC B1 SC B1 SC B1 SC PoP 12hr 30 50 40 70 40 QPF 12hr 0.04 0.05 0.03 0.05 0.06 Rain shwrs C C S C C C C S S C C L L C C S S C Tstms C C S C C C S C C L C C S S C Heat index 91 86 86 92 93 89 87 92 94 87 Max heat 93 94 95 86 95 96 85 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 88 70 89 70 88 Temp 85 82 73 72 85 83 72 72 84 81 72 71 85 82 72 71 84 82 Dewpt 73 73 71 71 73 73 71 71 74 73 71 71 73 73 71 70 73 72 PWind Dir SW S W SW W S SW SW W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC PoP 12hr 60 30 70 30 60 30 50 30 50 Rain shwrs C L C S C L C S S L C S C C C S C C Tstms C L C S S C C S C C S C C S C $$ TNZ071-150800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 111 PM EDT Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 96 73 94 74 Temp 90 85 79 76 73 75 86 92 95 88 80 76 75 76 85 91 92 85 79 76 75 76 Dewpt 71 71 72 72 71 71 74 72 70 72 73 72 71 72 74 74 74 73 73 73 72 72 RH 54 63 79 87 93 87 68 52 45 59 79 87 87 87 70 58 56 67 82 90 90 87 Wind Dir W NW E E NE NE N W W SW S S S S SW SW SW S S S S S Wind Spd 5 3 2 1 1 1 1 2 4 3 2 2 2 2 2 4 5 4 2 2 2 2 Clouds B1 SC SC FW SC SC SC FW FW SC B1 SC SC SC FW SC SC B1 B1 SC SC SC PoP 12hr 20 30 30 60 30 QPF 12hr 0 0.02 0.04 0.05 0.03 Rain shwrs C S S C C C S S L L C C S Tstms C S S C C S S L L C S S Heat index 96 90 94100102 95 84 93101102 92 Max heat 99 87 100 103 91 101 103 89 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 73 92 74 93 73 92 73 93 Temp 90 87 76 76 90 86 77 76 91 86 77 75 90 85 76 75 90 85 Dewpt 74 73 72 72 74 72 72 72 74 72 73 72 75 72 72 72 75 72 PWind Dir SW S SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC B1 B1 SC B1 SC SC SC SC SC SC SC PoP 12hr 50 20 60 20 60 20 50 30 40 Rain shwrs S C S S L S S L S S C C S S C Tstms S C S S L S S L S S C C S C $$ TNZ036-150800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 111 PM EDT Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu 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 94 72 92 72 Temp 88 83 77 73 72 74 86 92 92 87 78 75 73 75 85 91 90 84 78 75 73 75 Dewpt 72 72 72 71 71 72 75 73 72 73 73 72 71 73 75 74 73 74 73 73 72 73 RH 59 70 85 93 97 93 70 54 52 63 85 90 93 94 72 58 58 72 85 94 97 94 Wind Dir W NW E N N NE S SW SW NW SE SW SW SW SW SW SW SW SW SW SW SW Wind Spd 3 2 1 1 1 1 1 2 2 2 1 1 1 1 2 3 3 2 2 2 2 2 Clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC PoP 12hr 10 30 30 60 30 QPF 12hr 0 0.01 0.02 0.04 0.02 Rain shwrs C S C C C S S L L C C S Tstms C S C C S S L C C C S Heat index 95 88 95101100 94 94101 98 91 Max heat 97 84 101 102 90 101 101 88 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 92 72 91 72 92 Temp 90 85 76 75 89 84 75 75 90 84 75 75 88 84 75 75 90 84 Dewpt 75 73 72 72 75 73 72 73 75 73 72 72 75 73 73 73 75 73 PWind Dir SW SW SW SW SW W SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC B1 B1 SC B1 SC B1 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 60 20 70 20 60 20 50 30 50 Rain shwrs S L S S L S S L S C C C S S C Tstms S L S S L S S L S C C C S C $$ TNZ099-150800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 111 PM EDT Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 95 75 92 74 Temp 92 85 79 76 74 75 87 93 94 88 81 77 75 76 85 91 90 85 79 76 75 76 Dewpt 73 74 74 74 73 73 75 73 72 74 74 74 73 74 76 74 74 74 75 74 74 74 RH 54 70 85 94 97 94 68 52 49 63 79 90 94 94 75 58 60 70 88 94 97 94 Wind Dir W NW NW N N N NE SW W W SE S S S S S S S S S S S Wind Spd 4 3 1 1 1 1 1 2 3 2 1 1 1 1 2 4 4 3 2 1 1 2 Clouds SC SC FW FW FW FW SC FW SC SC SC FW SC SC SC SC B1 B1 SC SC SC FW PoP 12hr 10 20 20 60 30 QPF 12hr 0 0 0 0.05 0.02 Rain shwrs S S S S S L L C C S Tstms S S S S S L L C S S Heat index 101 93 96102102 97 86 94101 99 93 Max heat 102 88 102 102 94 101 101 90 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 74 92 74 93 74 93 74 95 Temp 91 85 77 76 89 84 76 75 90 85 76 76 90 84 76 75 91 85 Dewpt 75 73 74 74 76 74 74 73 75 74 74 74 75 74 74 73 75 73 PWind Dir S S S SW SW SW SW SW W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW B1 B1 SC SC B1 SC SC SC SC SC SC SC B1 SC FW FW SC PoP 12hr 60 20 60 20 60 20 50 20 50 Rain shwrs S L S S L S L S S C S S C Tstms S C S S L S L S S C S S C $$ NCZ060-150800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 111 PM EDT Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu 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 67 91 68 87 69 Temp 88 81 72 69 68 69 83 89 89 80 73 71 69 70 81 85 85 79 73 71 69 70 Dewpt 68 70 70 69 67 67 73 70 71 72 71 70 69 70 74 73 72 71 71 70 69 70 RH 52 69 93100 97 93 72 54 56 77 93 97100100 79 67 65 77 93 97100100 Max/Min RH 100 52 100 63 100 Wind Dir NW NW N N N N S W SW SE E SE SE SE S S S SE SE SE SE SE Wind Dir Deg 30 32 0 0 0 0 18 25 23 14 10 13 12 13 17 18 18 15 14 13 13 13 Wind Spd 4 2 0 0 0 0 1 2 2 2 1 1 1 1 2 3 3 2 1 1 1 1 Clouds SC SC FW FW SC SC FW FW SC SC B1 SC B2 B1 SC B1 B1 B1 B1 SC B1 SC Clouds (%) 32 34 11 14 50 27 16 24 37 50 57 47 72 66 45 57 55 63 53 45 55 40 Vsby 10 10 10 10 7 7 10 10 10 10 10 10 PoP 12hr 10 50 50 70 50 QPF 12hr 0 0.07 0.06 0.26 0.08 Rain shwrs S S C C C C S S C C L L C C S S C Tstms S S C C C C C L L C S C Heat index 92 85 89 94 95 84 86 92 91 Max heat 94 94 96 92 93 ChanceThunder 10 50 50 70 30 Max Mix Hgt AGL Mix Hgt 6000 4700 Max Vent Rt 19400 28600 T Wind Dir SW S T Wind Spd 3 6 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 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 90 68 90 68 91 Temp 84 79 70 69 86 79 70 70 86 79 70 70 86 78 70 70 86 79 Dewpt 73 72 70 69 73 71 70 69 73 72 69 69 73 72 70 70 72 72 PWind Dir S SE SW SE W SE W S NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 SC B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 70 30 70 30 70 30 60 30 60 Rain shwrs C L C S L C S L C S L C S L Tstms C L C S L C S 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 $$