Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
872 FOUS54 KMRX 151524 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1124 AM EDT Sun Jun 15 2025 TNZ017-152000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1124 AM EDT Sun Jun 15 2025 Date Sun 06/15/25 Mon 06/16/25 Tue 06/17/25 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 80 67 84 67 84 Temp 76 78 76 70 69 68 69 75 82 83 78 71 69 67 69 77 82 83 77 Dewpt 71 70 70 68 68 67 68 71 71 70 70 69 68 66 68 71 71 70 70 RH 85 76 82 93 97 97 97 87 69 65 76 93 97 97 97 82 69 65 79 Wind Dir W W W SW S S SW SW SW W SW S S S S SW SW SW SW Wind Spd 8 6 4 2 2 2 2 4 6 5 3 2 2 2 2 5 10 9 5 Clouds B2 B2 B2 B2 B2 B2 OV B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 PoP 12hr 70 50 80 50 90 QPF 12hr 0.10 0.08 0.13 0.05 0.26 Rain shwrs L L C S C C L D C C C C C C D D C Tstms L L C C L L C S S C L C Obvis PF Heat index 86 87 86 88 Max heat 83 87 89 87 90 Date Wed 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 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 85 68 83 65 84 63 87 Temp 69 69 83 80 70 70 81 76 67 67 82 79 65 65 85 82 Dewpt 69 69 72 71 69 69 71 68 67 66 65 66 62 64 67 69 PWind Dir SW SW SW SW SW W E SW Wind Char LT GN LT GN LT LT LT LT Avg Clouds B2 B2 B1 SC SC B1 B2 B1 B2 B1 SC FW FW FW FW SC PoP 12hr 40 60 30 80 40 20 5 20 Rain shwrs C S S L C C C D C S S Tstms C S C C S L C S S $$ TNZ071-152000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1124 AM EDT Sun Jun 15 2025 Date Sun 06/15/25 Mon 06/16/25 Tue 06/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 70 85 71 85 Temp 81 81 77 73 71 70 72 78 83 84 80 74 73 71 73 78 83 84 79 Dewpt 73 73 71 71 70 70 70 73 73 73 72 71 70 69 70 73 74 73 72 RH 77 77 82 93 97100 93 85 72 70 77 90 90 93 90 85 74 70 79 Wind Dir SW SW SW S SW SW SW SW SW SW SW S S SW SW SW SW SW SW Wind Spd 8 6 4 3 2 2 3 4 6 6 4 3 3 4 5 9 10 9 6 Clouds B2 B1 B1 B1 B2 B2 B2 B1 B1 B2 B1 B1 B1 B2 OV B2 B1 B2 B2 PoP 12hr 60 40 80 60 90 QPF 12hr 0.26 0.09 0.08 0.11 0.24 Rain shwrs C C C S S C C L D L L C C C C D D C Tstms C L C S C L L C S S C S L C C Heat index 86 86 89 90 84 90 90 Max heat 86 89 89 90 90 91 Date Wed 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 88 71 86 68 87 67 90 Temp 73 73 86 81 73 73 84 79 70 70 85 81 69 69 88 84 Dewpt 71 71 75 72 71 71 74 71 69 69 69 69 67 67 71 71 PWind Dir SW SW SW SW SW NW E W Wind Char LT GN LT GN LT LT LT LT Avg Clouds B2 B2 B2 SC SC B1 B1 B1 B1 B1 SC FW FW FW FW FW PoP 12hr 40 70 40 80 40 30 10 30 Rain shwrs C S C L C C C D C C C Tstms C S C L C S S L C C C $$ TNZ036-152000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1124 AM EDT Sun Jun 15 2025 Date Sun 06/15/25 Mon 06/16/25 Tue 06/17/25 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 82 69 84 70 84 Temp 80 82 77 72 70 70 71 76 82 83 79 73 71 71 70 77 81 83 78 Dewpt 73 74 72 71 70 70 70 73 74 74 73 71 70 70 70 74 74 74 72 RH 79 77 85 97100100 97 90 77 74 82 93 97 97100 90 79 74 82 Wind Dir SW W SW S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 4 4 2 2 2 2 2 2 4 4 3 2 2 3 5 5 8 6 4 Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 OV B2 B2 B2 B1 B2 PoP 12hr 70 40 80 60 90 QPF 12hr 0.24 0.03 0.24 0.11 0.28 Rain shwrs L L C S C C L D L L C C L L D D C Tstms L L C S C L L C S S C S L C C Heat index 84 88 88 90 86 90 Max heat 84 88 88 90 86 90 Date Wed 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 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 70 87 71 85 68 87 67 90 Temp 72 72 85 81 73 71 83 78 70 70 85 81 69 69 88 83 Dewpt 71 72 76 73 71 71 74 72 69 69 69 70 67 67 71 72 PWind Dir SW SW SW SW W NW N S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 SC SC B2 B1 B1 B1 B1 SC FW FW SC SC FW PoP 12hr 30 70 40 80 30 30 5 30 Rain shwrs C C C L C C C D C C C Tstms C C C L C S C L S S C $$ TNZ099-152000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1124 AM EDT Sun Jun 15 2025 Date Sun 06/15/25 Mon 06/16/25 Tue 06/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 70 86 71 87 Temp 85 86 81 74 72 70 72 79 84 85 80 73 73 71 73 81 86 85 80 Dewpt 73 72 72 73 71 70 72 73 74 74 73 72 72 71 72 74 74 74 73 RH 67 63 74 97 97100100 82 72 70 79 97 97100 97 79 68 70 79 Wind Dir SW W SW S SW S S SW SW SW SW S S S S SW SW SW SW Wind Spd 5 5 3 1 1 1 2 3 5 5 4 2 2 2 4 5 8 8 4 Clouds B2 B1 B1 B1 B1 B1 B2 B1 B1 B2 B1 B1 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 50 40 70 60 90 QPF 12hr 0.03 0.06 0.17 0.22 0.29 Rain shwrs C C C S S C C L L L L L L L L D D C Tstms C L C S C L L C S C C C L C C Heat index 92 92 85 91 93 84 86 94 93 84 Max heat 92 92 91 94 94 94 Date Wed 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 89 72 88 70 90 70 92 Temp 73 73 88 82 74 74 86 82 72 72 88 84 72 72 90 86 Dewpt 73 73 76 73 73 73 74 72 72 72 70 71 70 70 72 72 PWind Dir S SW SW SW W NW NW SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC FW FW FW SC FW PoP 12hr 30 70 40 80 30 40 10 30 Rain shwrs C C C L C C C D C S C C Tstms C C C L C C C L C C C $$ NCZ060-152000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1124 AM EDT Sun Jun 15 2025 Date Sun 06/15/25 Mon 06/16/25 Tue 06/17/25 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 84 65 84 66 84 Temp 81 82 75 69 67 66 67 76 82 83 77 70 68 66 68 76 81 83 77 Dewpt 69 69 69 68 67 66 67 71 71 70 70 68 67 66 68 72 71 71 70 RH 67 65 82 97100100100 85 69 65 79 93 97100100 87 72 67 79 Min/Max RH 63 100 65 100 67 Wind Dir W W W S N N S SW SW SW SW S S S S SW SW SW SW Wind Dir Deg 25 24 24 18 0 0 18 23 23 23 20 17 17 18 18 21 22 22 21 Wind Spd 5 5 2 1 0 0 1 2 4 4 2 1 1 1 2 3 5 4 2 Clouds B2 B1 B1 B1 B1 B2 OV B1 B2 B2 B1 B1 B1 B2 OV B1 B2 B1 B1 Clouds (%) 75 62 56 64 69 74 88 56 84 85 51 68 61 76 89 65 75 65 62 Vsby 10 10 10 10 10 7 10 10 6 6 10 10 10 10 10 PoP 12hr 60 50 90 60 90 QPF 12hr 0.03 0.06 0.27 0.33 0.32 Rain shwrs C C C C C C D D L L C C L L D D C Tstms C C C S C L L C S C S C L L C Heat index 84 85 86 87 85 88 Max heat 84 87 86 88 85 88 ChanceThunder 50 30 70 40 70 Max Mix Hgt AGL Mix Hgt 4500 3800 4500 Max Vent Rt 62700 35300 77000 T Wind Dir W SW SW T Wind Spd 11 6 14 ADI 54 31 67 Max LVORI 9 9 9 Stability B B F D B B F D B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.95 27.92 27.93 27.94 27.92 27.88 27.90 27.91 27.91 27.90 Date Wed 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 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 66 86 67 85 65 86 63 89 Temp 68 68 84 79 69 69 84 76 67 67 84 79 65 65 87 82 Dewpt 68 68 72 70 69 69 71 69 67 67 67 68 64 64 67 69 PWind Dir S SW S W NW NW NE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B1 B1 SC B1 B1 B1 B1 B1 SC FW FW SC SC FW PoP 12hr 40 80 40 80 40 40 10 40 Rain shwrs C C C D C C C D C S S C C Tstms C C C L C S C L C S C 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 $$