Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
200 FOUS54 KMRX 051122 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 722 AM EDT Sat Apr 5 2025 TNZ017-052000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 722 AM EDT Sat Apr 5 2025 Date Sat 04/05/25 Sun 04/06/25 Mon 04/07/25 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 85 62 73 48 57 Temp 65 77 84 84 79 71 68 64 64 68 71 69 66 62 59 54 49 51 53 55 51 Dewpt 62 62 59 58 56 58 59 60 60 60 60 60 59 58 56 53 49 48 45 41 38 RH 90 60 43 41 45 63 73 87 87 76 68 73 78 87 90 96100 89 74 59 61 Wind Dir S SW SW SW S S SW SW SW SW SW SW SE SW W W NW NW NW NW NW Wind Spd 3 8 12 12 8 8 6 5 5 9 10 9 5 5 5 5 4 5 6 9 6 Clouds B1 SC SC SC SC B1 B2 B2 B2 B2 OV OV B2 OV OV OV OV B2 B2 B2 SC PoP 12hr 5 30 100 90 30 QPF 12hr 0 0.06 0.72 0.35 0.04 Rain shwrs S S C L D D D D C C C C S S Tstms C C S S Date Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 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 32 51 28 60 38 66 46 62 Temp 41 32 47 45 31 30 55 53 40 40 64 61 51 47 59 57 Dewpt 33 22 20 19 21 23 27 31 33 35 42 42 43 45 46 42 PWind Dir NW NW N SW SE S S W Wind Char LT LT LT LT LT LT LT GN Avg Clouds SC SC FW CL CL CL FW FW FW SC B1 B1 B1 B2 B1 SC PoP 12hr 5 0 0 0 5 30 60 60 Rain shwrs C C L L L $$ TNZ071-052000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 722 AM EDT Sat Apr 5 2025 Date Sat 04/05/25 Sun 04/06/25 Mon 04/07/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 63 73 48 58 Temp 70 78 84 85 81 75 70 67 65 68 71 69 66 64 61 53 49 51 55 57 54 Dewpt 63 61 60 59 58 59 60 61 61 62 63 62 60 59 56 52 47 45 44 42 38 RH 78 56 44 41 46 58 71 81 87 81 76 78 81 84 84 96 93 80 66 57 54 Wind Dir SW SW SW SW SW S SW SW S SW SW SW SW SW W W NW NW N NW NW Wind Spd 9 16 18 17 10 11 11 11 12 13 11 10 9 8 5 5 5 5 6 6 5 Wind Gust 26 20 21 23 23 24 Clouds B1 SC B1 SC SC B1 B1 B2 B2 B2 OV OV OV B2 OV OV OV B2 B2 B1 SC PoP 12hr 5 30 100 70 20 QPF 12hr 0 0.39 1.22 0.30 0.04 Rain shwrs S C C L D D L L C C S S Tstms S S C C S Date Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 35 55 32 63 42 69 49 66 Temp 44 35 51 50 37 33 59 58 46 44 67 64 55 49 63 60 Dewpt 35 25 24 24 25 26 33 37 37 37 44 45 45 47 47 43 PWind Dir N N NE NW S SW SW W Wind Char LT LT LT LT LT GN LT GN Avg Clouds FW SC FW CL CL FW FW FW FW SC B1 B1 B1 B1 B1 SC PoP 12hr 0 0 0 0 5 30 60 40 Rain shwrs C C L C C Tstms S $$ TNZ036-052000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 722 AM EDT Sat Apr 5 2025 Date Sat 04/05/25 Sun 04/06/25 Mon 04/07/25 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 86 63 71 47 59 Temp 68 78 83 85 81 74 69 67 65 67 70 69 66 62 58 51 47 51 57 58 54 Dewpt 63 63 62 60 60 61 61 62 62 62 62 62 60 58 55 49 44 43 42 38 35 RH 84 60 49 43 49 64 76 84 90 84 76 78 81 87 90 93 89 74 57 47 48 Wind Dir SW SW SW SW SW SW SW SW S SW S S SW W W NW NW N N NW NW Wind Spd 6 13 14 13 10 9 9 9 10 10 9 8 6 5 4 4 5 5 5 6 5 Wind Gust 18 24 26 25 20 21 21 21 21 Clouds B1 SC SC FW SC B1 B2 OV OV B2 OV OV OV B2 OV B2 B2 B2 B2 B1 FW PoP 12hr 5 40 100 60 10 QPF 12hr 0 0.49 1.17 0.17 0 Rain shwrs C S C L L D D L L C C Tstms S S C S S C C S Date Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 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 34 55 32 63 42 68 48 66 Temp 43 34 51 49 36 33 59 57 44 44 66 63 53 49 63 60 Dewpt 34 23 23 22 25 25 32 36 37 37 45 46 46 47 47 43 PWind Dir NW N N S S SW SW W Wind Char LT LT LT LT LT GN LT LT Avg Clouds FW SC FW CL CL FW FW FW FW SC B1 B1 B1 B1 SC SC PoP 12hr 0 0 0 0 5 30 60 40 Rain shwrs C C L C C Tstms S $$ TNZ099-052000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 722 AM EDT Sat Apr 5 2025 Date Sat 04/05/25 Sun 04/06/25 Mon 04/07/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 66 73 51 60 Temp 68 77 84 86 82 74 72 70 67 69 71 71 69 64 59 53 51 54 58 59 56 Dewpt 65 65 64 62 61 63 62 64 64 64 65 64 62 60 57 52 47 47 45 41 38 RH 90 67 51 45 49 69 71 81 90 84 81 79 78 87 93 96 86 77 62 51 51 Wind Dir S S S S S S S S S S S S SW SW W NW NW NW NW NW NW Wind Spd 5 11 13 13 9 9 9 10 10 10 10 9 5 4 3 3 4 5 8 9 6 Wind Gust 16 21 24 19 21 20 21 21 21 Clouds B1 SC B1 FW SC B1 B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 FW PoP 12hr 5 30 100 50 10 QPF 12hr 0 0.36 1.75 0.12 0 Rain shwrs C L D D D C C S S Tstms S S S C C S Obvis PF Date Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 58 35 66 45 71 50 70 Temp 46 38 55 53 39 36 62 61 48 46 69 66 55 51 67 64 Dewpt 37 29 26 27 28 28 36 40 40 40 46 47 48 48 48 45 PWind Dir N N N SE S S SW W Wind Char LT GN LT LT LT GN LT LT Avg Clouds FW FW CL CL CL FW FW FW FW SC SC SC B1 SC SC SC PoP 12hr 0 0 0 0 5 20 50 20 Rain shwrs S C C S S Tstms S $$ NCZ060-052000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 722 AM EDT Sat Apr 5 2025 Date Sat 04/05/25 Sun 04/06/25 Mon 04/07/25 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 62 72 51 61 Temp 65 74 81 83 78 71 68 67 64 67 70 68 66 63 60 56 52 54 58 57 52 Dewpt 62 61 58 56 56 58 59 60 60 61 60 60 58 57 56 54 50 50 44 41 36 RH 90 64 46 40 47 63 73 78 87 81 71 76 75 81 87 93 93 86 59 55 54 Min/Max RH 40 93 68 96 53 Wind Dir SE S S S S S S S S S S S S SW W W NW NW NW NW NW Wind Dir Deg 14 18 19 19 18 18 18 18 18 18 18 18 18 20 24 27 29 30 30 31 32 Wind Spd 4 6 10 10 6 5 5 5 6 8 8 6 5 4 3 2 2 4 6 8 6 Wind Gust 18 20 20 18 19 19 17 18 19 18 17 17 Clouds B1 B1 SC FW FW B1 B1 B2 B2 OV OV OV OV OV OV OV B2 B2 B2 B2 SC Clouds (%) 58 51 40 25 23 63 60 70 79 90 94 95 93 91 91 89 86 85 76 71 49 Vsby 10 10 10 10 10 10 10 10 10 6 4 4 PoP 12hr 5 10 100 80 20 QPF 12hr 0 0 1.60 0.42 0.02 Rain shwrs L D D D D C C S S S S Tstms C C C ChanceThunder 5 10 30 30 5 Max Mix Hgt AGL Mix Hgt 6800 2900 2800 Max Vent Rt 175000 70400 46400 T Wind Dir S S NW T Wind Spd 21 18 12 ADI 152 61 40 Max LVORI 5 5 5 Stability F B B E E C C D D B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE 8000 Sta Pres 28.02 27.97 27.85 27.85 27.81 27.71 27.67 27.63 27.63 27.68 27.72 Date Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 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 33 56 29 65 38 68 45 64 Temp 42 33 52 49 34 30 61 57 42 40 66 62 50 46 61 58 Dewpt 32 26 21 20 24 26 29 32 34 35 39 40 43 44 43 40 PWind Dir NW N N S SE S S W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC FW FW CL CL CL FW FW FW SC SC B1 B1 B1 SC SC PoP 12hr 0 0 0 0 0 20 50 40 Rain shwrs S C C C C Tstms 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 $$