Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
036 FOUS54 KMRX 121745 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 144 PM EDT Sat Jul 12 2025 TNZ017-130800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 144 PM EDT Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 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 87 68 89 68 Temp 85 80 73 70 68 70 79 83 85 81 73 71 69 70 79 85 87 83 75 71 69 70 Dewpt 71 71 70 69 68 70 72 72 71 72 70 70 68 70 72 72 70 72 70 69 67 68 RH 63 74 90 97100100 79 70 63 74 90 97 97100 79 65 57 70 84 93 93 93 Wind Dir W SW S SW S S W W W W W W SE W W W NW NE NE E E E Wind Spd 5 4 2 1 1 2 3 6 6 3 1 1 0 0 2 3 3 2 1 1 1 1 Clouds SC SC SC FW SC SC SC SC SC SC SC SC B1 SC SC SC SC B1 SC SC B1 B1 PoP 12hr 30 50 20 30 20 QPF 12hr 0.01 0.01 0 0 0 Rain shwrs C C S C C S S C C S S Tstms C C S C C S S C C S S Obvis PF Heat index 91 83 88 91 85 90 93 89 Max heat 94 90 92 91 94 85 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 69 90 70 89 70 88 69 87 Temp 87 84 72 72 86 82 73 72 85 82 72 72 84 82 73 71 83 81 Dewpt 71 72 70 70 73 71 70 71 73 73 71 71 73 72 71 71 73 72 PWind Dir SE SE SW S SW S SW SW W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 40 30 60 40 80 50 80 50 60 Rain shwrs C C S C L C C C D C C C D C S C L Tstms C C S C C S C C S C C S C $$ TNZ071-130800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 144 PM EDT Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 91 72 94 72 Temp 88 85 78 75 73 75 84 88 91 85 78 75 72 74 85 91 93 87 80 76 74 75 Dewpt 72 71 71 71 70 71 72 73 72 70 71 72 71 71 73 72 71 71 72 71 70 71 RH 59 63 79 87 90 87 67 61 54 61 79 90 97 90 67 54 49 59 77 85 87 87 Wind Dir W SW SW SW SW SW W W W W W SE SE NE NW NW NW N NE E E E Wind Spd 5 4 3 2 2 2 3 5 5 4 2 1 1 1 2 3 4 3 2 1 1 1 Clouds SC SC FW FW FW FW FW SC FW SC SC SC SC SC SC FW SC SC SC FW SC SC PoP 12hr 10 30 10 30 10 QPF 12hr 0 0 0 0 0 Rain shwrs C S C C C C Tstms C S C C C C Heat index 95 90 90 96 99 90 92 99100 93 84 Max heat 98 85 96 100 86 99 100 90 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 73 93 74 91 73 91 73 91 Temp 92 86 76 75 91 85 76 76 89 84 76 75 89 84 76 75 89 84 Dewpt 72 71 71 71 74 72 72 72 75 73 72 72 75 72 72 72 74 72 PWind Dir NW S SW S SW S SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 40 30 60 40 70 40 70 40 60 Rain shwrs C C S L C S C L C S C L C S C L Tstms C C S L C S L C S L C S C $$ TNZ036-130800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 144 PM EDT Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 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 88 83 76 73 71 73 83 89 90 84 77 73 71 73 85 91 90 84 78 74 72 74 Dewpt 74 71 71 70 70 71 74 73 72 72 70 70 70 71 74 73 72 72 72 71 70 71 RH 63 67 85 90 97 93 74 59 56 67 79 90 97 93 70 56 56 67 82 90 93 90 Wind Dir W SW SW W SW SW SW W W W NW NW N N W W NW N N N NE NE Wind Spd 3 2 2 2 2 2 2 3 3 2 2 1 1 1 1 2 2 2 2 1 1 1 Clouds B1 SC FW SC FW FW SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC B1 PoP 12hr 20 40 10 40 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S C C C C C Tstms S S C C C C C Heat index 97 88 90 97 97 90 93100 97 90 Max heat 97 84 97 100 85 100 100 87 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 72 93 73 91 72 91 72 90 Temp 92 86 75 75 91 84 75 75 89 82 74 74 89 83 74 74 87 82 Dewpt 73 72 72 72 74 73 72 72 76 73 72 72 75 73 72 72 75 72 PWind Dir S 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 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 30 70 30 70 40 70 40 70 Rain shwrs C C S L C S C L C S C L C S C L Tstms C C S L C C L C C L S C C $$ TNZ099-130800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 144 PM EDT Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 94 73 95 74 Temp 92 86 78 75 74 75 86 90 91 85 78 75 74 75 86 92 92 87 80 77 74 76 Dewpt 73 72 72 72 72 72 74 74 73 73 73 72 72 72 74 73 73 73 73 73 73 73 RH 54 63 82 90 93 90 68 60 56 67 85 90 93 90 68 54 54 63 79 87 97 90 Wind Dir W S SW W SW W W W W NW NW NW NW N N NW N N N N N N Wind Spd 5 3 2 1 1 1 2 4 6 4 2 1 1 1 2 2 4 3 2 1 1 1 Clouds FW FW FW FW FW FW FW SC B1 SC FW SC SC FW FW FW SC SC SC FW FW FW PoP 12hr 5 40 5 30 5 QPF 12hr 0 0.03 0 0 0 Rain shwrs C C C C C Tstms C C C C C Heat index 101 92 94 99100 92 94101101 94 84 Max heat 102 89 99 102 86 101 102 92 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 97 74 94 74 92 74 93 74 93 Temp 94 86 76 75 91 84 76 75 89 84 77 75 89 83 76 75 90 84 Dewpt 74 73 73 73 75 74 74 73 75 74 74 73 75 75 74 74 75 73 PWind Dir SE S S S S S S SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW SC SC SC SC B1 B1 B1 SC B1 B1 SC B1 B1 B1 B1 SC B1 PoP 12hr 40 30 70 30 70 30 70 40 60 Rain shwrs C C S L C S C L C S S L C S S L Tstms C C S L C S C S S L C S L $$ NCZ060-130800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 144 PM EDT Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 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 65 90 66 92 67 Temp 83 78 71 68 67 68 81 86 86 80 72 69 67 68 82 88 89 81 73 70 69 70 Dewpt 71 71 69 68 67 68 72 71 70 70 70 69 67 68 72 70 69 70 70 69 67 68 RH 67 79 93100100100 74 61 59 72 93100100100 72 55 52 69 90 97 93 93 Max/Min RH 100 57 100 50 97 Wind Dir NW W N N N N NW NW NW NW NW N N N NW NW NW NW N N N N Wind Dir Deg 29 26 0 0 0 0 29 30 30 30 31 0 0 0 32 31 32 32 2 0 0 0 Wind Spd 4 2 0 0 0 0 2 5 5 3 1 0 0 0 2 3 4 2 1 0 0 0 Clouds B1 FW FW FW SC SC FW FW SC SC FW FW B1 SC SC SC SC SC SC FW SC SC Clouds (%) 53 25 13 23 45 38 20 25 27 28 21 16 53 50 27 35 26 37 32 24 43 32 Vsby 10 10 10 10 7 7 10 10 10 10 10 10 PoP 12hr 10 40 5 40 20 QPF 12hr 0 0.01 0 0.01 0 Rain shwrs C C C C C S S S Tstms C C C C C S S Heat index 88 85 91 91 83 87 93 94 85 Max heat 90 91 93 93 95 ChanceThunder 10 40 5 40 20 Max Mix Hgt AGL Mix Hgt 5200 4700 Max Vent Rt 62400 38600 T Wind Dir NW N T Wind Spd 10 8 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 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 68 89 68 88 67 89 68 89 Temp 87 78 70 69 85 77 70 70 84 77 70 69 85 79 71 69 85 79 Dewpt 71 71 70 69 73 71 70 70 74 72 70 69 73 72 70 69 72 71 PWind Dir S SE SE SE S SE SW SE W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 40 80 50 80 50 80 50 70 Rain shwrs S L C S C D C C C D C S C D C S C L Tstms S L C C L C C L C 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 $$