Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
707 FOUS54 KMRX 130553 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 153 AM EDT Sun Jul 13 2025 TNZ017-132000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 153 AM EDT Sun Jul 13 2025 Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 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 87 68 89 69 90 Temp 68 70 79 83 85 81 73 71 69 70 80 85 87 82 75 72 70 71 81 86 88 82 Dewpt 67 69 72 71 70 71 71 69 69 70 73 71 71 72 71 70 69 70 73 72 71 72 RH 97 97 79 67 61 72 93 93100100 79 63 59 72 87 93 97 97 77 63 57 72 Wind Dir SE S W W W W S S SE S W W W NW SE E E E SW W S S Wind Spd 1 1 3 6 5 3 1 1 1 1 2 4 4 2 1 1 1 1 1 2 3 2 Clouds SC SC SC SC B1 SC SC SC B1 B1 SC SC SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 40 30 50 30 70 QPF 12hr 0.04 0.04 0.06 0.07 0.07 Rain shwrs C C S C C C C C S S L L C Tstms C C S C C C C S S C L C Obvis PF Heat index 88 89 85 84 90 93 87 86 92 94 87 Max heat 89 90 92 94 84 94 96 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 69 89 69 88 69 88 69 88 Temp 72 72 84 82 72 71 85 82 72 71 83 81 72 72 83 80 Dewpt 70 70 72 72 70 70 73 72 70 70 73 73 70 71 74 72 PWind Dir SE SW S SW S SW S W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 40 70 40 60 40 60 30 60 Rain shwrs C S C L C S C L C S C L C S C L Tstms C S C L C C L C S C C S C $$ TNZ071-132000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 153 AM EDT Sun Jul 13 2025 Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 72 94 73 95 Temp 72 73 83 89 90 85 78 75 73 75 85 91 92 86 80 76 74 75 86 93 94 86 Dewpt 70 71 73 72 72 72 72 72 71 72 73 72 72 72 72 72 71 72 74 72 72 72 RH 93 93 72 57 56 65 82 90 93 90 67 54 52 63 77 87 90 90 68 51 49 63 Wind Dir S SW W W W W SW SW S SW W W W NW E E E E W W W SW Wind Spd 2 2 3 5 5 4 2 1 1 1 2 3 5 3 1 1 1 1 1 2 4 3 Clouds FW FW FW SC SC FW SC FW SC SC FW SC SC B1 SC SC SC SC FW SC SC SC PoP 12hr 40 20 40 20 50 QPF 12hr 0.01 0.04 0.02 0 0.05 Rain shwrs C C C S S S C C S S C C C Tstms S C C S S S C C S S C C C Heat index 89 96 97 91 92 99100 92 84 94101102 92 Max heat 96 98 87 99 100 90 101 103 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 93 73 91 73 92 73 91 Temp 76 75 90 85 76 76 89 84 76 75 89 84 76 75 89 83 Dewpt 72 72 73 72 72 72 73 72 72 72 73 72 73 72 74 73 PWind Dir S SW S SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 70 40 60 30 60 30 60 Rain shwrs C S S L C C L C S L C S L Tstms C S S L C S L C S L C S C $$ TNZ036-132000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 153 AM EDT Sun Jul 13 2025 Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 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 71 93 72 94 Temp 71 72 83 89 88 84 77 74 72 74 86 91 90 84 77 75 73 75 86 92 91 85 Dewpt 69 71 74 73 72 72 72 71 71 71 74 72 72 73 72 72 71 72 76 73 73 73 RH 93 97 74 59 59 67 85 90 97 90 68 54 56 70 85 90 93 90 72 54 56 67 Wind Dir SW SW SW W SW W SW SW SW SW SW W W NW N NE N NE S SW W W Wind Spd 1 1 2 3 4 2 1 1 1 1 1 2 2 2 1 1 1 1 1 2 2 2 Clouds SC SC SC SC SC SC SC FW FW FW FW SC SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 40 20 40 10 50 QPF 12hr 0.12 0 0.04 0 0.04 Rain shwrs C S C C S S S C C C C C Tstms S S C C S S S C C C C C Heat index 90 97 95 90 94 99 97 90 96101100 92 Max heat 97 97 86 99 99 86 101 101 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 72 93 72 91 72 91 72 91 Temp 74 75 90 84 75 75 89 83 75 74 89 84 74 75 89 83 Dewpt 72 72 73 73 72 72 73 73 72 72 74 73 73 73 74 73 PWind Dir SW SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 70 30 60 30 60 30 60 Rain shwrs C S L C C L C S S L C S L Tstms C S L C C L C S C C S C $$ TNZ099-132000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 153 AM EDT Sun Jul 13 2025 Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 73 95 74 96 Temp 73 74 86 91 90 85 78 75 73 75 86 92 92 87 80 77 75 76 87 94 94 86 Dewpt 71 72 74 72 72 72 73 73 72 73 75 73 72 73 74 74 73 74 75 73 73 73 RH 93 93 68 54 56 65 85 94 97 94 70 54 52 63 82 90 94 94 68 51 51 65 Wind Dir S S W W W W W SW N N NW W W W NW N N N N W W N Wind Spd 1 1 2 4 5 4 1 1 0 0 2 3 5 3 2 1 1 1 2 2 3 3 Clouds FW FW FW FW SC B1 FW FW FW FW FW FW SC SC FW FW FW FW FW SC SC B1 PoP 12hr 40 10 30 5 40 QPF 12hr 0.12 0 0.01 0 0.04 Rain shwrs C C C C C C C Tstms C C C C C C C Heat index 94 99 97 91 95101100 94 85 96103103 93 Max heat 99 99 87 101 101 92 103 104 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 94 74 92 74 92 74 92 Temp 76 75 91 85 76 76 90 84 76 75 90 83 75 75 89 83 Dewpt 74 73 73 74 74 74 74 74 74 73 74 74 74 73 74 75 PWind Dir SE S S S S S S S Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 60 30 60 30 60 30 60 Rain shwrs C S L C S L C S L C S L Tstms C S L C S C S S C C S C $$ NCZ060-132000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 153 AM EDT Sun Jul 13 2025 Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 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 90 67 92 68 92 Temp 66 68 81 86 88 79 72 70 68 69 83 88 89 82 74 70 68 70 83 89 86 78 Dewpt 66 68 73 70 69 70 69 68 67 68 73 71 70 71 70 69 68 69 74 71 71 72 RH 100100 77 59 54 74 90 93 97 97 72 57 54 69 87 97100 97 74 56 61 82 Min/Max RH 54 100 52 100 56 Wind Dir N N NW NW NW W N N N N NW NW NW NW N N N N W W W E Wind Dir Deg 0 0 30 29 30 28 0 0 0 0 31 29 29 30 34 0 0 0 28 25 27 11 Wind Spd 0 0 2 5 5 2 0 0 0 0 2 4 4 2 1 0 0 0 1 2 3 2 Clouds SC SC FW FW FW SC SC FW SC SC FW SC FW SC FW FW SC SC FW SC B1 B1 Clouds (%) 36 26 9 25 21 29 29 22 39 36 13 26 23 36 25 17 34 35 18 38 60 60 Vsby 7 8 10 10 10 10 10 10 7 7 10 10 PoP 12hr 30 10 40 20 70 QPF 12hr 0.01 0 0.01 0.01 0.10 Rain shwrs C S C C S S S S L L C Tstms C S C C S S L L C Heat index 86 91 92 89 94 94 86 90 95 91 Max heat 91 92 94 96 95 95 ChanceThunder 30 10 40 20 70 Max Mix Hgt AGL Mix Hgt 4700 5600 6000 Max Vent Rt 37600 43000 18000 T Wind Dir NW NW NW T Wind Spd 8 8 3 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 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 67 89 68 88 67 89 67 88 Temp 70 69 84 77 70 69 84 78 69 69 85 77 69 70 84 78 Dewpt 70 69 73 73 70 69 73 73 69 69 72 72 69 69 73 72 PWind Dir SE S SE S SE S SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 SC B1 PoP 12hr 50 80 50 70 40 70 40 70 Rain shwrs C S C D C S C L C C L C S L Tstms 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 $$