Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
296 FOUS54 KMRX 201128 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 728 AM EDT Sun Apr 20 2025 TNZ017-202000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 728 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 59 81 57 75 Temp 60 74 82 83 78 70 65 62 61 74 80 80 72 66 61 59 58 66 72 75 70 Dewpt 54 58 58 57 58 57 57 54 54 55 52 53 56 59 59 59 58 58 54 52 53 RH 81 57 44 41 50 63 75 75 78 51 38 39 57 78 93100100 75 53 45 55 Wind Dir E E W S SE SE S SE SE SW SW SW W SW SW SW W W W W W Wind Spd 1 1 2 3 4 4 3 3 4 9 12 12 9 5 3 2 2 2 4 4 2 Wind Gust 23 Clouds B2 B2 B2 B1 B2 B2 B2 B1 SC SC SC SC B2 B2 B2 OV OV B2 B1 B2 B2 PoP 12hr 5 0 30 70 40 QPF 12hr 0 0 0.03 0.35 0.06 Rain shwrs S C L L L L C C C C S Tstms S C S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 55 79 56 79 58 80 59 77 Temp 59 57 77 72 59 59 79 72 62 60 79 74 61 60 76 71 Dewpt 53 53 55 56 54 56 59 58 57 58 61 59 58 58 59 56 PWind Dir SE W E S SE SW S W Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 20 40 10 50 30 60 30 60 Rain shwrs S S S C C C C C C L C C C L Tstms S S C C C $$ TNZ071-202000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 728 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 65 81 61 75 Temp 63 76 83 85 80 73 70 67 66 76 81 80 73 67 64 63 61 67 73 75 70 Dewpt 56 60 62 59 59 57 56 54 55 55 55 56 59 61 61 61 60 61 58 57 57 RH 78 58 49 41 49 57 61 63 68 48 41 44 62 81 90 93 97 81 59 54 63 Wind Dir NE W SW SW S S S S S SW SW SW SW SW SW SW NW N W SW S Wind Spd 2 2 4 5 4 5 5 5 6 14 17 14 8 5 3 2 2 2 3 4 2 Wind Gust 25 Clouds B2 B1 B1 B1 B2 B2 B1 SC SC SC B1 B2 B2 B2 OV OV OV B2 B2 B2 B2 PoP 12hr 5 0 50 70 50 QPF 12hr 0 0 0.12 0.39 0.16 Rain shwrs C C L L L L C C C C S Tstms S C C S S S C S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 81 59 80 61 83 62 81 Temp 63 59 77 75 63 61 79 75 65 63 81 78 66 63 79 74 Dewpt 57 56 59 59 57 57 63 60 59 60 63 60 59 59 61 59 PWind Dir SE N E S S SW S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 20 50 20 50 30 50 30 50 Rain shwrs S S C C S C C S C C C S C C C Tstms S S S S S S C S S $$ TNZ036-202000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 728 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 64 79 59 76 Temp 63 76 83 85 79 71 68 65 65 75 79 76 71 65 63 59 60 67 73 76 71 Dewpt 56 60 61 59 59 58 57 55 56 57 58 59 61 61 61 59 59 60 56 55 55 RH 78 58 47 41 50 63 68 70 73 54 49 56 71 87 93100 96 78 55 48 57 Wind Dir E S SW SW S S SW SW SW SW SW SW W SW SW W N NE SW S S Wind Spd 1 2 4 4 3 4 4 5 5 12 13 11 5 3 2 2 2 2 2 3 2 Wind Gust 17 23 25 21 Clouds B2 B2 B1 B2 B2 B1 SC SC SC SC B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 PoP 12hr 5 0 60 70 40 QPF 12hr 0 0 0.19 0.28 0.08 Rain shwrs C L L L C C C C C C S Tstms C C C S S C S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 81 59 80 60 82 61 80 Temp 62 60 79 73 62 61 79 75 64 61 79 76 63 62 78 73 Dewpt 57 55 59 59 57 57 63 61 59 60 63 60 59 60 62 59 PWind Dir N SE NE S SW SW S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 20 40 20 50 30 50 30 50 Rain shwrs S S C S C C C C C C S C C C Tstms S S S C S C S S $$ TNZ099-202000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 728 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 64 82 62 76 Temp 64 77 84 85 80 73 69 66 65 75 81 81 75 69 65 63 62 69 74 76 73 Dewpt 59 63 62 60 59 58 57 58 58 59 59 59 62 63 63 63 62 63 61 60 61 RH 84 62 48 43 49 59 66 75 78 58 47 47 64 81 93100100 81 64 58 66 Wind Dir NE S S S S S S S S S SW SW SW SW SW SW N NE S SW S Wind Spd 1 3 6 8 5 4 4 5 5 10 11 10 5 2 1 1 2 2 3 3 2 Wind Gust 14 20 21 Clouds B2 B2 B1 B2 B2 B1 B1 FW SC SC B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 PoP 12hr 0 0 60 60 60 QPF 12hr 0 0 0.14 0.38 0.18 Rain shwrs C L L L L L C C L L S Tstms C C C S S C S C C S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 61 83 63 85 64 84 Temp 64 62 80 75 65 62 80 77 66 64 83 78 68 65 82 77 Dewpt 60 59 61 62 61 60 63 63 62 61 63 61 61 60 63 62 PWind Dir E SE SE S S S S S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 40 20 50 30 30 30 40 Rain shwrs S S S C S C C S C S C S C C C Tstms S S S S S S S C S S $$ NCZ060-202000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 728 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 59 82 58 76 Temp 60 74 82 82 75 68 65 61 60 73 81 81 74 67 62 60 59 69 74 76 70 Dewpt 56 60 56 54 53 54 52 52 53 53 51 51 54 56 58 59 58 61 58 56 57 RH 87 62 41 38 46 61 63 72 78 49 35 35 50 68 87 96 96 76 57 50 63 Min/Max RH 37 78 33 100 50 Wind Dir E S S S S SE SE SE SE S SW SW SW SW SW N SW SW SW SW W Wind Dir Deg 11 18 18 18 16 14 14 14 12 18 20 21 22 20 22 0 20 23 23 23 28 Wind Spd 1 2 4 5 4 4 3 3 3 6 9 8 3 1 1 0 1 1 2 3 1 Wind Gust 17 19 Clouds B2 B1 B1 B2 B2 B1 B1 B2 B1 SC SC B1 B2 B2 B2 B2 OV B2 B2 B2 B2 Clouds (%) 76 62 67 70 79 62 55 73 60 45 41 52 79 83 83 86 89 82 83 77 84 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 5 0 30 60 60 QPF 12hr 0 0 0.03 0.35 0.34 Rain shwrs S C L L L L L L L L S Tstms C C C S S C C C S ChanceThunder 5 0 30 40 50 Max Mix Hgt AGL Mix Hgt 6400 6000 2300 Max Vent Rt 88400 117700 18400 T Wind Dir S SW SW T Wind Spd 10 16 6 ADI 77 102 16 Max LVORI 6 4 8 Stability F B B F F B B D D B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.12 28.09 28.05 28.03 28.02 27.99 27.96 27.99 27.98 27.98 27.97 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 56 80 56 80 58 82 59 83 Temp 61 57 78 72 59 58 78 74 62 59 80 76 63 60 81 74 Dewpt 55 54 55 56 55 56 58 56 56 58 58 56 56 57 57 56 PWind Dir W S SE SE SE S SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 50 20 50 30 40 30 50 Rain shwrs S S C C S S C C C S S C S C C C Tstms S S S S S S C 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 $$