Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
714 FOUS54 KMRX 151743 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 142 PM EDT Tue Jul 15 2025 TNZ017-160800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 142 PM EDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri 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 69 91 70 89 70 Temp 88 82 74 72 71 72 82 87 87 83 76 74 71 73 81 84 85 81 75 73 72 72 Dewpt 70 71 70 70 68 70 72 72 72 72 71 70 69 70 72 73 72 72 71 71 69 70 RH 55 69 87 93 90 93 72 61 61 70 85 87 93 90 74 70 65 74 87 93 90 93 Wind Dir W N S SE SE SE SW SW SW SW S S S SW SW SW W SW S S S SW Wind Spd 3 3 2 2 1 1 3 5 5 4 2 2 1 2 5 6 6 4 2 2 2 2 Clouds SC B1 B1 SC SC SC SC SC SC SC B1 B1 SC B1 SC B1 SC SC B1 SC B1 SC PoP 12hr 50 60 50 70 40 QPF 12hr 0.05 0.04 0.10 0.05 0.04 Rain shwrs C C S S C C C C S S C C L L C C C C C Tstms C C S C C C C C L L C S Heat index 93 86 86 93 94 88 86 91 92 85 Max heat 96 94 96 84 93 93 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 87 70 87 70 87 70 89 70 90 Temp 83 81 72 72 82 80 72 72 83 81 73 72 85 83 72 72 86 83 Dewpt 73 72 70 70 73 71 70 70 73 72 70 70 73 72 69 70 71 71 PWind Dir SW S W SW W SW SW S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC PoP 12hr 70 30 60 30 60 40 60 40 50 Rain shwrs C L C C L C S C L C C C L C S C C Tstms C L C C L C S C C S C S S C $$ TNZ071-160800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 142 PM EDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 94 75 93 75 Temp 93 87 80 76 74 76 86 92 92 87 80 77 76 77 86 90 90 85 81 78 76 77 Dewpt 71 71 72 72 71 71 73 73 72 72 72 71 71 72 74 74 73 71 72 72 71 72 RH 49 59 77 87 90 85 65 54 52 61 77 82 85 85 68 60 58 63 74 82 85 85 Wind Dir W SW NW W W SW SW SW SW SW S SW S SW SW SW SW SW S SW SW SW Wind Spd 4 3 2 2 2 2 3 5 6 5 3 3 2 3 5 6 6 5 3 3 2 2 Clouds SC SC B1 SC SC SC FW SC SC SC B1 SC B1 SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 20 50 30 50 40 QPF 12hr 0.03 0.03 0.02 0.03 0.03 Rain shwrs C S S C C C C S S C C C C S S C Tstms C S S C C C S S C C C S Heat index 100 93 84 93101100 94 84 94 99 98 90 85 Max heat 102 90 101 102 90 99 100 89 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 74 92 73 93 74 92 74 95 Temp 89 85 77 75 89 84 76 76 90 85 76 76 90 86 76 76 91 87 Dewpt 74 72 72 72 74 72 72 71 75 72 72 71 73 72 71 71 73 72 PWind Dir SW SW SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 SC SC SC B1 SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 60 20 50 20 60 30 60 30 50 Rain shwrs C L S S C S S L C S S L C S S C Tstms C L S S C S S L C S C S S C $$ TNZ036-160800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 142 PM EDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri 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 93 74 92 73 Temp 92 85 78 75 73 75 85 91 91 85 79 76 74 76 85 90 90 85 79 76 75 76 Dewpt 71 72 72 71 70 72 74 74 73 72 72 72 71 72 75 75 73 72 72 72 71 72 RH 51 65 82 87 90 90 70 58 56 65 79 87 90 87 72 62 58 65 79 87 87 87 Wind Dir W NW NE S W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 2 2 1 1 1 1 3 5 5 3 2 2 2 2 4 5 4 3 2 2 2 2 Clouds SC SC SC SC SC FW SC SC SC SC SC SC B1 SC SC SC B1 SC SC B1 SC B1 PoP 12hr 20 50 30 60 40 QPF 12hr 0.04 0.03 0.02 0.03 0.02 Rain shwrs C S S C C C C S S L L C C C C C Tstms C S S C C C S S L C C S Heat index 99 91 93101100 91 94101 98 91 Max heat 101 87 101 102 88 101 101 88 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 91 73 91 72 92 73 92 72 94 Temp 89 83 75 75 89 83 74 74 90 84 76 75 90 84 76 75 92 86 Dewpt 75 72 72 72 75 73 72 71 74 72 72 72 73 71 71 71 73 72 PWind Dir SW SW SW SW SW SW SW W SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC SC SC B1 SC SC SC SC SC SC SC B1 SC SC SC SC PoP 12hr 70 20 60 20 60 30 60 30 50 Rain shwrs C L S C L S C L C S S L C S C Tstms C L S C L S C L C S C S S C $$ TNZ099-160800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 142 PM EDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 95 75 95 75 Temp 94 88 81 77 76 76 86 92 92 87 80 78 76 77 86 92 92 85 80 77 75 77 Dewpt 71 72 73 73 72 72 74 74 74 73 74 73 73 73 75 74 74 72 73 73 73 73 RH 47 59 77 87 87 87 68 56 56 63 82 85 90 87 70 56 56 65 79 87 94 87 Wind Dir NW NW SE S SE S S S S S S S S S S S S S S S S S Wind Spd 3 2 1 1 1 2 3 5 5 3 2 2 2 2 4 5 5 3 2 2 2 2 Clouds FW SC FW SC SC SC FW SC SC SC SC SC SC FW FW SC SC B1 SC SC SC SC PoP 12hr 10 40 20 50 30 QPF 12hr 0 0.04 0.01 0.10 0.02 Rain shwrs S C C S S S S C C C C S Tstms S C C S S S C C C S S Heat index 101 95 86 94102102 94 85 95102102 91 84 Max heat 104 92 102 103 90 102 103 89 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 74 93 74 94 74 95 75 95 Temp 91 85 77 75 89 84 76 76 91 85 76 76 91 86 77 77 93 86 Dewpt 74 73 73 73 74 73 72 73 74 73 73 73 72 73 73 72 73 72 PWind Dir SW SW SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC B1 SC FW SC SC SC FW SC SC SC FW FW SC PoP 12hr 60 20 50 20 60 20 60 20 50 Rain shwrs S L S S C S S L S S S L S S C Tstms S L S S C S S C S S C S S C $$ NCZ060-160800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 142 PM EDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri 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 90 69 90 69 Temp 86 79 72 70 69 70 81 86 87 80 73 71 70 71 82 86 85 79 73 71 70 70 Dewpt 70 71 69 69 68 69 73 71 70 71 70 69 68 69 73 72 71 71 70 69 68 69 RH 59 77 90 97 97 97 77 61 57 74 90 93 93 93 74 63 63 77 90 93 93 97 Max/Min RH 97 55 97 61 100 Wind Dir S SE E E E E SE S S SE SE SE SE SE S SW S S SE N N N Wind Dir Deg 17 12 10 11 11 11 15 17 18 15 14 14 15 15 18 20 19 18 15 0 0 0 Wind Spd 2 2 1 1 1 1 2 4 4 2 2 1 1 1 2 4 3 2 1 0 0 0 Clouds B1 SC SC SC B1 B1 SC SC B1 SC SC SC B1 SC SC B1 B1 B1 B1 B1 SC B1 Clouds (%) 56 41 46 37 59 66 33 48 51 43 50 41 63 49 38 54 54 58 53 51 48 57 Vsby 10 10 10 7 7 8 10 10 10 10 10 10 PoP 12hr 30 50 40 60 40 QPF 12hr 0.01 0.09 0.02 0.10 0.04 Rain shwrs C C S S C C C C S S L L C C C Tstms C C S S C C C C S L L C S Heat index 91 86 91 92 83 87 92 90 Max heat 95 91 93 92 91 ChanceThunder 30 50 40 60 30 Max Mix Hgt AGL Mix Hgt 4800 4000 Max Vent Rt 32900 29600 T Wind Dir S SW T Wind Spd 5 6 ADI 33 28 Max LVORI 9 9 Stability A G F A B G G B B G F Ceiling NONE NONE NONE NONE NONE NONE NONE 25000 0 9800 NONE Sta Pres 27.93 27.96 27.98 27.96 27.93 27.96 28.00 27.99 27.97 28.01 28.03 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 90 68 90 68 91 69 91 68 91 Temp 86 79 70 70 85 79 70 70 87 80 71 70 87 80 71 70 87 80 Dewpt 71 71 69 69 72 71 69 69 72 71 69 68 70 71 69 68 71 71 PWind Dir SW S W W W NW W SW W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 SC SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 30 60 20 60 30 60 30 60 Rain shwrs C L C S L S S L C S S L C S L Tstms C L C S L S S L C S C S 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 $$