Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
225 FOUS54 KMRX 010532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 131 AM EDT Mon Sep 1 2025 TNZ017-012000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 131 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 79 53 75 57 75 Temp 57 57 69 75 76 69 61 58 55 55 67 73 73 67 61 59 59 58 66 70 72 67 Dewpt 55 54 56 56 55 55 54 51 51 51 55 56 56 58 57 57 56 57 60 61 61 61 RH 93 90 63 52 48 61 78 77 86 86 65 55 55 73 87 93 90 96 81 73 68 81 Wind Dir E E E NE E E E E E E SE W W S SE E E E S SW SW S Wind Spd 2 3 3 3 3 3 3 2 2 2 2 3 3 2 2 1 1 2 3 5 5 2 Clouds SC B1 SC SC SC SC SC FW SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 SC SC PoP 12hr 5 0 10 20 50 QPF 12hr 0 0 0 0 0.08 Rain shwrs S S C C C C S Tstms S C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 58 77 57 77 56 79 52 78 Temp 61 60 74 68 62 58 74 68 59 58 76 69 57 54 73 67 Dewpt 59 58 65 64 61 58 58 58 55 55 59 58 54 51 53 53 PWind Dir SE SW SW SW S W N N Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 SC SC FW FW SC SC FW SC SC FW FW PoP 12hr 20 60 40 5 10 10 5 5 Rain shwrs S S L C S Tstms S S C $$ TNZ071-012000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 131 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 61 77 62 78 Temp 63 63 72 79 79 72 66 64 62 61 71 74 76 71 66 64 63 63 69 75 77 72 Dewpt 61 62 63 63 62 62 62 60 59 60 61 61 61 61 61 60 60 61 64 64 65 64 RH 93 97 73 58 56 71 87 87 90 97 71 64 60 71 84 87 90 93 84 69 67 76 Wind Dir N NE N N NE NW SE NE N E NE NW NW E E E E SE S SW SW SW Wind Spd 2 2 2 2 4 2 2 2 2 2 2 3 4 2 2 2 2 2 3 5 6 4 Clouds B2 B1 SC SC FW SC FW SC B1 B1 B1 B1 SC B1 B1 B1 B2 B2 B1 B1 SC SC PoP 12hr 20 10 20 30 40 QPF 12hr 0 0 0 0 0.05 Rain shwrs S S S S S S C C C C C C C Tstms S S S S S C C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 80 60 81 59 82 55 80 Temp 65 63 79 70 65 61 79 73 63 60 80 73 62 56 77 70 Dewpt 62 62 68 66 63 61 61 61 59 58 61 59 55 52 56 55 PWind Dir S SW SW SW S W N NE Wind Char LT GN LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC FW FW FW SC SC SC SC SC FW FW PoP 12hr 30 50 30 5 10 10 5 5 Rain shwrs C S S C C Tstms S S C $$ TNZ036-012000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 131 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 59 76 60 77 Temp 62 62 72 78 79 71 65 63 61 61 70 74 76 69 64 63 61 62 68 74 75 69 Dewpt 61 61 64 64 63 63 62 61 60 60 62 61 61 61 61 60 61 61 64 65 65 64 RH 97 97 76 62 58 76 90 93 97 97 76 64 60 76 90 90100 97 87 74 71 84 Wind Dir NE NE SE S E NW SE N NE NE S W W NE NE NE NE N S SW SW SW Wind Spd 1 1 1 2 2 2 1 1 1 1 2 2 2 1 1 1 1 1 2 4 4 2 Clouds B2 B1 B1 SC SC SC SC FW B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B1 SC SC PoP 12hr 20 20 30 40 50 QPF 12hr 0 0 0 0.01 0.13 Rain shwrs S S C C C C S S C C C C C C C Tstms S S S S S S S S C C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 61 79 57 81 58 82 54 80 Temp 63 63 78 70 62 58 79 72 62 59 80 71 60 56 77 70 Dewpt 63 62 68 65 62 58 61 61 59 58 60 58 54 51 55 55 PWind Dir SW SW W SW W W N N Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 SC SC SC FW FW FW SC SC SC SC FW FW FW PoP 12hr 30 60 30 5 10 10 5 5 Rain shwrs C S C L C Tstms S S C $$ TNZ099-012000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 131 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 62 79 63 80 Temp 67 66 73 77 78 73 67 65 63 63 71 76 77 73 67 65 64 64 71 77 77 73 Dewpt 65 64 62 62 63 63 63 62 60 59 60 60 61 61 62 62 61 62 64 65 66 66 RH 93 93 68 60 60 71 87 90 90 87 68 58 58 66 84 90 90 93 79 67 69 79 Wind Dir SE SE S S E S NE S E SE S S S E E E SE SE S S S S Wind Spd 2 2 4 4 4 2 2 2 1 2 2 4 4 2 2 1 1 2 3 5 5 3 Clouds B1 B1 B1 B1 SC SC SC FW B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 20 20 30 30 50 QPF 12hr 0 0 0 0.02 0.08 Rain shwrs S C C S S S S C C C C C C S Tstms S S S S S S C S C C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 60 85 61 85 58 83 Temp 65 64 81 74 65 61 82 76 64 62 83 75 63 59 79 72 Dewpt 65 64 68 67 64 61 61 61 62 60 62 59 57 53 56 55 PWind Dir S SW W SW SW NW N N Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC FW FW FW FW FW FW SC SC FW FW FW PoP 12hr 20 40 20 5 5 10 5 5 Rain shwrs S S S C S Tstms S C $$ NCZ060-012000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 131 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 79 55 78 57 77 Temp 60 59 70 76 74 67 62 60 57 56 68 75 74 67 62 60 59 58 68 74 74 67 Dewpt 59 57 58 59 60 60 59 56 53 52 55 56 56 58 57 57 56 57 61 62 61 61 RH 96 93 66 56 62 78 90 87 86 86 63 52 53 73 84 90 90 96 78 66 64 81 Min/Max RH 56 90 50 96 62 Wind Dir E SE SE SW NW SE E SE E SE SE SW NW SE SE E SE E S S S SE Wind Dir Deg 11 12 12 23 30 12 9 12 11 12 13 22 31 14 12 11 12 11 16 19 18 14 Wind Spd 2 2 2 2 3 2 2 1 1 2 2 2 2 1 1 1 1 2 2 4 4 2 Clouds B1 B2 B1 SC SC SC B1 SC B1 B1 B1 B1 SC SC B1 B1 B2 B2 B1 B1 SC SC Clouds (%) 54 70 62 38 46 49 61 35 60 63 58 53 46 47 53 59 70 81 65 55 40 36 Vsby 7 10 10 10 10 10 10 7 7 7 10 10 PoP 12hr 10 10 20 30 50 QPF 12hr 0 0 0 0 0.08 Rain shwrs S S S S C C C C C C C Tstms S S S S C C C ChanceThunder 10 10 20 20 40 Max Mix Hgt AGL Mix Hgt 4400 4300 3600 Max Vent Rt 19100 20700 26800 T Wind Dir SE S S T Wind Spd 5 5 8 ADI 19 21 28 Max LVORI 6 6 8 Stability F A B F F A B F D B B Ceiling NONE NONE NONE 23500 NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.04 28.01 27.99 27.99 28.00 27.98 27.93 27.91 27.91 27.88 27.83 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 58 80 57 81 54 83 53 82 Temp 60 60 77 68 61 58 79 70 58 55 81 70 57 54 79 67 Dewpt 59 59 64 64 61 58 56 58 56 54 58 57 55 51 55 54 PWind Dir SE SW SE W SE W N N Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 SC SC SC SC FW FW FW SC SC SC SC SC FW FW PoP 12hr 30 50 30 5 5 10 5 5 Rain shwrs C S S C C Tstms C S S C S This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$