Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
959 FOUS54 KMRX 181928 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 328 PM EDT Fri Apr 18 2025 TNZ017-190800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 328 PM EDT Fri Apr 18 2025 Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon 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 55 83 58 84 58 Temp 82 76 66 59 56 57 71 81 83 76 66 61 59 60 73 82 84 78 69 64 59 59 Dewpt 43 49 49 48 49 50 55 47 46 51 52 53 53 54 59 58 58 57 56 55 53 54 RH 25 39 54 67 77 77 57 30 27 42 61 75 80 81 62 44 41 48 63 73 80 83 Wind Dir SW S S SW S S SW W W W S SE SE E SE W S SE SE SE SE S Wind Spd 11 8 5 2 2 1 4 10 10 4 2 1 1 1 1 2 3 3 3 2 2 3 Wind Gust 23 Clouds FW FW SC SC FW B1 B2 SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 SC SC PoP 12hr 0 0 0 10 0 QPF 12hr 0 0 0 0 0 Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 82 59 74 54 79 56 79 59 81 Temp 80 75 63 59 71 70 57 56 76 72 60 58 76 72 61 60 79 75 Dewpt 53 54 57 58 57 55 53 54 56 56 55 56 59 57 57 58 59 58 PWind Dir SW SW W NE SW SE S SE S Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 B2 B2 B1 B1 B1 SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 20 60 40 20 40 10 50 20 50 Rain shwrs S C L C C S C C C C S S C C Tstms S S S S $$ TNZ071-190800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 328 PM EDT Fri Apr 18 2025 Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 86 62 86 62 Temp 84 78 70 66 63 63 75 84 86 80 71 67 64 63 76 83 86 80 71 68 64 63 Dewpt 44 48 49 51 52 53 54 52 51 53 54 54 55 56 60 60 58 58 56 54 53 54 RH 25 35 47 58 67 70 48 33 30 39 55 63 73 78 58 46 39 47 59 61 67 72 Wind Dir SW SW SW SW SW SW SW SW SW SW S S SE E SW SW SW S S S S S Wind Spd 14 10 9 8 6 6 11 13 12 5 3 2 2 2 2 4 4 3 4 4 4 5 Wind Gust 27 Clouds SC SC FW B1 FW B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 SC PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 61 76 58 81 59 81 62 83 Temp 80 77 65 61 73 71 63 59 78 75 63 61 79 76 66 62 80 77 Dewpt 56 56 59 59 61 59 57 57 61 59 58 58 62 61 60 60 62 60 PWind Dir SW SW W E NW SE S S SW Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B2 OV B2 B2 B2 B1 B1 SC B1 B1 B2 B2 B1 B2 B1 B1 PoP 12hr 30 70 40 20 40 10 50 30 50 Rain shwrs C C L L C S C C C C S C C C Tstms C C S S S S $$ TNZ036-190800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 328 PM EDT Fri Apr 18 2025 Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon 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 60 85 61 86 61 Temp 82 79 70 65 62 60 73 82 84 80 70 66 63 62 75 83 86 80 71 68 63 62 Dewpt 44 47 48 50 52 54 56 54 54 54 55 55 56 56 60 61 59 58 56 55 53 54 RH 26 32 45 58 70 81 55 38 36 41 59 68 78 81 60 47 40 47 59 63 70 75 Wind Dir SW SW SW W SW SW SW SW SW SW SW SW SE NE S S S S S S S S Wind Spd 13 9 8 5 5 5 9 11 10 4 2 2 1 1 2 4 4 3 3 3 3 4 Wind Gust 27 20 18 19 21 Clouds SC SC SC SC FW B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 0 0 0 10 0 QPF 12hr 0 0 0 0 0 Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 81 60 77 57 82 59 81 61 82 Temp 78 75 64 60 75 71 61 58 79 75 63 60 79 75 65 62 79 77 Dewpt 57 57 60 59 59 59 56 56 60 59 58 58 63 61 60 60 63 60 PWind Dir SW SW W NE SE E S S SW Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B2 OV B2 B1 B1 B1 SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 40 70 40 10 30 10 50 20 50 Rain shwrs C L L C C S C C C S S C C Tstms C S S S S S $$ TNZ099-190800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 328 PM EDT Fri Apr 18 2025 Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 88 63 86 63 Temp 85 79 70 65 61 61 74 84 87 82 71 67 64 64 76 83 86 81 73 68 65 64 Dewpt 43 48 50 53 54 55 58 53 53 56 57 58 58 58 61 60 58 57 56 55 55 56 RH 23 34 49 65 78 81 57 34 31 41 61 73 81 81 60 46 39 44 55 63 70 75 Wind Dir S S S S S S S S SW S S S SE SE S S S S S S S S Wind Spd 11 6 5 5 4 4 8 10 9 3 2 1 1 1 3 6 8 4 4 3 4 5 Wind Gust 24 17 16 18 Clouds SC SC CL FW FW SC SC SC SC B1 B2 B2 B2 B2 B1 B1 B1 B2 B2 SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 63 76 59 82 62 82 63 84 Temp 80 77 65 63 73 73 63 60 79 77 64 63 80 76 67 64 80 78 Dewpt 57 60 62 61 62 62 60 59 62 61 61 60 63 63 62 61 62 62 PWind Dir S SW S SE SE SE S SE S Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 40 70 50 20 30 10 40 30 40 Rain shwrs C L L L L S S C S C S C S C Tstms C S S C C S S S S $$ NCZ060-190800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 328 PM EDT Fri Apr 18 2025 Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon 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 55 86 58 84 58 Temp 81 75 64 61 57 55 73 83 85 78 67 63 60 59 73 81 83 77 68 64 60 59 Dewpt 43 45 47 49 51 51 52 48 50 51 53 53 54 55 59 55 52 52 51 50 51 52 RH 26 34 54 65 80 86 48 30 30 39 61 70 81 87 62 41 34 42 54 60 72 78 Max/Min RH 86 29 87 34 80 Wind Dir S S SE SE SE SE S SW SW S SE SE E SE S S S SE SE SE SE SE Wind Dir Deg 18 16 13 12 12 12 19 20 20 19 14 13 11 12 16 18 17 15 15 15 15 15 Wind Spd 9 5 3 2 2 2 4 6 5 2 2 1 1 1 2 4 5 3 3 2 2 2 Wind Gust 20 Clouds FW FW FW FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 SC Clouds (%) 16 13 6 21 15 41 32 36 56 65 63 75 73 79 72 65 68 75 66 57 51 46 Vsby 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 ChanceThunder 0 0 0 5 0 Max Mix Hgt AGL Mix Hgt 5000 6100 Max Vent Rt 75700 84100 T Wind Dir S S T Wind Spd 13 10 ADI 66 73 Max LVORI 6 6 Stability B G G B B F F B B F G Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE 23500 Sta Pres 28.04 28.09 28.12 28.12 28.13 28.12 28.13 28.10 28.05 28.02 28.03 Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 83 59 75 55 79 56 79 59 82 Temp 80 75 63 59 72 69 59 56 76 73 60 58 76 73 62 59 78 75 Dewpt 51 52 56 58 58 56 55 56 57 56 55 56 58 56 56 57 57 56 PWind Dir S S SW S S E SE SE S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 OV OV B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 30 70 70 20 50 10 50 30 50 Rain shwrs C C L L L S S C C C C C S C C Tstms C S S C S C S S 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 $$