Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
554 FOUS54 KMRX 200022 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 822 PM EDT Sat Apr 19 2025 TNZ017-200800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 822 PM EDT Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue 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 59 83 59 83 59 Temp 67 62 60 61 74 80 83 77 70 65 60 61 74 81 81 73 68 64 60 59 Dewpt 53 53 53 55 59 57 56 59 58 56 54 54 55 53 52 55 57 58 59 59 RH 61 72 78 81 59 45 40 54 66 73 81 78 51 38 37 53 68 81 96100 Wind Dir S E E E S SW SW SE SE SE S S SW SW SW SW SW SW W W Wind Spd 2 1 1 1 1 2 3 3 4 3 3 4 9 12 12 8 5 3 2 2 Wind Gust 23 Clouds B1 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 0 5 0 20 70 QPF 12hr 0 0 0 0.01 0.19 Rain shwrs S S C C L L L Tstms C S S Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 73 55 78 56 79 58 81 59 77 Temp 70 69 59 56 75 72 58 58 77 72 62 60 79 75 62 61 75 73 Dewpt 58 56 55 56 56 56 54 56 59 59 56 58 60 58 57 58 59 57 PWind Dir SW SE SW E S SE SW S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B2 B2 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 30 50 10 50 20 50 30 60 Rain shwrs L L S C C C S C S S C C S C C L Tstms S S S S S S S $$ TNZ071-200800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 822 PM EDT Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 85 64 84 62 Temp 70 67 64 63 76 83 85 80 72 69 66 65 75 81 82 75 69 66 63 62 Dewpt 56 56 55 56 60 59 57 59 57 55 54 55 55 55 55 57 59 61 60 60 RH 61 68 73 78 58 44 39 49 59 61 65 70 50 41 40 54 70 84 90 93 Wind Dir S SW N E W SW SW S S S S S SW SW SW SW SW SW SW SW Wind Spd 3 2 2 2 2 5 5 4 5 5 5 6 14 18 14 9 5 3 2 2 Wind Gust 25 Clouds B2 OV B2 B2 B1 B1 B1 B2 B2 B1 SC SC SC B1 B1 B2 OV OV OV B2 PoP 12hr 0 5 0 40 70 QPF 12hr 0 0 0 0.11 0.37 Rain shwrs C C C C L L D Tstms S C S S S Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 58 80 59 81 61 84 62 81 Temp 71 71 62 59 77 75 62 61 79 75 65 62 82 78 67 63 78 76 Dewpt 61 59 58 58 61 60 57 58 62 61 59 59 62 59 58 59 61 58 PWind Dir SW SE N E SE SE SW S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 80 30 50 10 50 20 40 20 50 Rain shwrs D D S C C C C C S S C C S C C Tstms S C S S S S S S S S $$ TNZ036-200800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 822 PM EDT Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue 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 85 63 81 61 Temp 70 66 63 63 75 83 85 79 72 69 65 64 74 79 79 73 67 64 62 61 Dewpt 55 56 56 56 60 59 57 59 57 56 55 55 57 57 57 60 61 61 59 59 RH 59 70 78 78 60 44 39 50 59 63 70 73 55 47 47 64 81 90 90 93 Wind Dir SW S S NE SW SW SW S S S S S SW SW SW SW SW SW W NW Wind Spd 2 1 1 1 2 5 5 3 3 4 4 5 12 13 12 6 4 2 2 2 Wind Gust 24 25 23 Clouds B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 SC B1 B2 B2 B2 B2 OV B2 PoP 12hr 0 5 0 50 70 QPF 12hr 0 0 0 0.23 0.28 Rain shwrs C C L L L L L Tstms C C S S Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 75 57 81 59 81 60 84 61 81 Temp 72 71 61 58 78 74 62 61 79 75 64 62 81 78 66 62 79 76 Dewpt 60 58 58 57 60 59 57 58 62 61 59 59 63 60 59 59 62 59 PWind Dir S S SE NE S S SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 70 30 40 10 50 20 40 30 60 Rain shwrs L L S C C C C C S S C C S C C L Tstms S S S S S S S S S S S S $$ TNZ099-200800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 822 PM EDT Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 87 63 84 63 Temp 72 67 64 64 77 84 85 80 72 69 66 64 75 81 82 75 69 66 64 63 Dewpt 58 58 59 59 62 58 56 58 57 56 57 57 58 58 59 60 62 62 62 61 RH 61 73 84 84 60 41 37 47 59 63 73 78 55 46 46 60 78 87 93 93 Wind Dir S S SE SE S S S S S S S S S SW SW SW SW SW SW S Wind Spd 2 1 1 1 3 8 8 5 4 4 5 5 10 12 10 5 2 2 1 1 Wind Gust 20 20 Clouds B2 B2 OV B2 B1 B1 B2 OV SC SC SC SC SC B1 B1 B2 OV B2 OV OV PoP 12hr 0 0 0 40 70 QPF 12hr 0 0 0 0.12 0.48 Rain shwrs C C C C L L D Tstms S C C S C C Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 60 82 61 83 63 86 64 84 Temp 74 72 63 61 79 77 64 62 80 77 66 64 83 80 68 65 81 79 Dewpt 62 63 60 60 62 62 61 60 63 62 61 61 63 61 61 60 62 61 PWind Dir S S SE E S S S S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 80 30 40 10 40 20 30 20 40 Rain shwrs D D C C C C S C S C S C C Tstms S C C C S S S S S S $$ NCZ060-200800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 822 PM EDT Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue 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 59 84 58 83 60 Temp 67 62 61 61 74 80 82 76 69 64 61 59 72 80 81 74 67 64 61 60 Dewpt 52 53 54 55 59 54 52 52 53 52 52 52 53 50 49 52 55 57 57 57 RH 59 72 78 81 59 41 35 43 57 65 72 78 51 35 33 46 65 78 87 90 Max/Min RH 81 35 80 32 90 Wind Dir S SE E E S S S S SE SE SE SE S S SW SW S S S S Wind Dir Deg 16 13 11 11 17 18 17 16 15 15 15 14 18 19 20 21 19 18 19 18 Wind Spd 1 1 1 1 2 5 5 4 3 3 3 3 8 9 8 3 2 1 1 1 Wind Gust 18 19 18 Clouds B1 B2 B2 B2 B1 B1 B2 OV B2 B1 SC B1 SC SC SC B2 B2 B2 B2 OV Clouds (%) 69 81 87 76 67 66 75 89 76 55 50 55 44 42 50 78 84 83 85 91 Vsby 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 0 0 20 60 QPF 12hr 0 0 0 0.01 0.48 Rain shwrs S S C C L L D Tstms S C S C C ChanceThunder 0 0 0 20 30 Max Mix Hgt AGL Mix Hgt 5800 6400 Max Vent Rt 80100 124400 T Wind Dir S SW T Wind Spd 10 16 ADI 70 108 Max LVORI 5 4 Stability D F B B F F B B D D Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.11 28.12 28.10 28.05 28.04 28.05 28.00 27.98 28.00 27.98 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 75 56 80 56 81 58 83 59 81 Temp 72 69 59 56 77 73 60 57 78 74 62 60 80 76 63 59 78 75 Dewpt 57 56 55 56 56 56 54 56 57 56 56 57 56 55 56 57 56 55 PWind Dir SW E SW SE SE SE S SE S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 80 30 50 10 50 20 30 20 50 Rain shwrs D D C C C C S C S S S C S S C C Tstms C C C S S S S S 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 $$