Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
059 FOUS54 KMRX 190718 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 317 AM EDT Wed Mar 19 2025 TNZ017-192000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 317 AM EDT Wed Mar 19 2025 Date Wed 03/19/25 Thu 03/20/25 Fri 03/21/25 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 77 50 53 27 56 Temp 40 39 61 75 76 66 58 59 57 50 49 48 46 42 38 34 30 28 40 50 54 48 Dewpt 31 29 30 28 29 30 32 39 45 44 43 36 31 30 28 24 22 22 24 24 25 27 RH 70 67 31 17 18 26 37 47 64 80 80 63 55 62 67 66 72 78 52 36 32 44 Wind Dir E E SE SW SW S S S S SW W W W W W W W W W W SW S Wind Spd 2 2 2 8 11 12 11 11 10 11 14 19 20 17 13 10 6 4 5 6 5 2 Wind Gust 23 21 31 Clouds SC B1 SC SC SC SC FW FW B1 B2 B2 B1 B1 B2 B1 SC FW FW FW FW SC SC PoP 12hr 0 90 50 20 0 QPF 12hr 0 0.04 0.05 0.02 0 Rain shwrs C D C C C C S S Snowshwrs S Wind chill 38 34 29 26 23 Min chill 37 32 26 20 25 Date Sat 03/22/25 Sun 03/23/25 Mon 03/24/25 Tue 03/25/25 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 60 36 66 46 64 37 54 Temp 38 39 55 53 41 37 61 57 50 50 59 56 43 38 50 47 Dewpt 27 30 38 35 35 33 37 37 39 44 46 38 35 33 32 31 PWind Dir S W W SW S SW W W Wind Char LT GN LT LT LT GN LT GN Avg Clouds SC B1 B1 SC FW FW SC SC SC B1 B2 SC SC SC B1 B1 PoP 12hr 10 30 5 10 60 60 20 30 Rain shwrs C S C L L C S C $$ TNZ071-192000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 317 AM EDT Wed Mar 19 2025 Date Wed 03/19/25 Thu 03/20/25 Fri 03/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 46 52 31 60 Temp 48 45 63 73 76 68 65 65 57 49 47 48 48 44 40 36 33 32 44 54 59 53 Dewpt 31 30 29 30 30 32 35 49 45 42 37 32 31 29 28 25 25 24 25 26 27 29 RH 51 55 27 20 18 26 33 56 64 77 68 54 51 55 62 64 72 72 47 34 29 39 Wind Dir SW SW SW SW SW S S SW SW SW W W W W W W W NW N W SW SW Wind Spd 4 5 10 19 19 16 17 17 16 14 18 19 18 11 6 4 2 2 2 3 4 3 Wind Gust 37 40 32 29 29 27 Clouds B1 SC B1 B1 FW FW SC B1 OV B2 B1 B2 B1 B1 SC FW FW FW FW SC SC SC PoP 12hr 5 100 30 10 0 QPF 12hr 0 0.15 0.04 0 0 Rain shwrs C D L S S C C Wind chill 38 Min chill 38 32 31 35 Wind Y Y Y Date Sat 03/22/25 Sun 03/23/25 Mon 03/24/25 Tue 03/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 65 39 72 50 67 40 59 Temp 45 43 60 57 45 40 65 63 57 54 63 57 46 41 54 51 Dewpt 29 34 39 36 36 35 40 41 44 47 44 38 36 34 34 33 PWind Dir SW W S S S SW W W Wind Char LT GN LT LT LT GN LT GN Avg Clouds SC SC SC FW FW FW SC SC B1 B2 B2 SC SC SC B1 B1 PoP 12hr 20 20 5 20 70 50 20 20 Rain shwrs S S S C L C C S S $$ TNZ036-192000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 317 AM EDT Wed Mar 19 2025 Date Wed 03/19/25 Thu 03/20/25 Fri 03/21/25 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 74 44 51 29 60 Temp 47 46 60 70 73 68 64 63 53 46 46 48 48 43 39 35 32 30 44 54 58 52 Dewpt 34 33 34 33 34 35 39 50 43 40 34 32 30 27 26 24 24 24 25 26 27 29 RH 60 60 37 25 24 29 40 62 69 79 63 54 49 53 59 64 72 78 47 34 30 41 Wind Dir W SW SW SW SW SW S SW SW W W W W W NW W NW NW S SW SW SW Wind Spd 3 3 9 16 17 14 13 13 10 10 13 14 13 9 5 3 2 2 2 3 4 3 Wind Gust 31 34 27 25 24 19 Clouds B1 B1 B1 B1 SC FW B1 B2 OV B2 B1 B2 B1 SC SC FW FW CL FW SC SC SC PoP 12hr 10 100 30 10 0 QPF 12hr 0 0.19 0.02 0 0 Rain shwrs S L D C S S C C Wind Y Y Y Date Sat 03/22/25 Sun 03/23/25 Mon 03/24/25 Tue 03/25/25 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 40 65 38 70 50 66 39 59 Temp 43 42 60 56 43 39 64 63 55 53 63 55 45 41 54 51 Dewpt 30 34 39 36 36 35 40 42 44 48 42 37 36 33 33 31 PWind Dir SW W NW S S W W W Wind Char LT GN LT LT LT GN LT LT Avg Clouds SC B1 SC SC FW FW SC SC B1 B2 B1 SC SC SC B1 B1 PoP 12hr 20 20 5 20 70 40 20 20 Rain shwrs S S S C L C C S S $$ TNZ099-192000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 317 AM EDT Wed Mar 19 2025 Date Wed 03/19/25 Thu 03/20/25 Fri 03/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 44 53 32 63 Temp 49 46 60 71 76 71 67 63 52 47 47 50 51 46 41 38 35 33 46 58 62 55 Dewpt 33 34 36 37 38 41 48 54 41 37 33 31 30 29 27 25 26 25 27 28 28 31 RH 54 63 41 29 25 34 50 72 66 68 58 48 44 51 57 59 69 72 47 32 27 40 Wind Dir S S S S S S S SW W W W W W NW NW NW NW NW N S S S Wind Spd 4 5 10 16 17 13 14 13 11 10 13 16 13 9 5 2 2 1 2 3 4 3 Wind Gust 31 34 24 25 24 19 Clouds FW SC B1 B1 SC SC B1 B2 B1 B1 B1 B1 B1 SC FW CL CL CL CL FW FW FW PoP 12hr 20 90 10 0 0 QPF 12hr 0 0.17 0 0 0 Rain shwrs C D D S Wind Y Y Y Date Sat 03/22/25 Sun 03/23/25 Mon 03/24/25 Tue 03/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 68 41 74 54 67 42 63 Temp 45 45 65 60 46 42 68 66 59 55 66 59 47 42 59 56 Dewpt 32 37 39 38 39 38 43 45 49 51 44 41 38 35 35 35 PWind Dir S W N S S W NW NW Wind Char LT GN LT LT LT GN LT LT Avg Clouds SC SC SC FW FW FW FW SC B1 B2 B1 SC SC B1 SC SC PoP 12hr 20 10 5 20 70 30 10 5 Rain shwrs S S C L C S Tstms S $$ NCZ060-192000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 317 AM EDT Wed Mar 19 2025 Date Wed 03/19/25 Thu 03/20/25 Fri 03/21/25 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 75 44 51 27 62 Temp 43 40 60 71 73 66 60 60 55 47 46 47 45 41 37 34 29 28 42 56 60 51 Dewpt 30 29 27 24 28 31 34 47 46 42 37 29 28 26 24 23 21 20 23 21 22 25 RH 60 64 28 17 19 27 37 62 72 83 71 49 51 55 59 64 72 71 46 25 23 36 Min/Max RH 17 83 53 74 22 Wind Dir E E S SW S S SE S W W W W W NW NW NW NW NW NW W W SW Wind Dir Deg 11 11 17 20 18 16 15 18 24 27 27 27 28 29 30 31 32 31 32 28 24 20 Wind Spd 2 2 5 9 11 9 10 9 6 5 10 13 13 11 9 5 3 2 2 3 4 2 Wind Gust 25 26 26 23 18 Clouds SC SC SC SC FW FW SC B1 B2 B2 B1 B2 B2 B1 SC FW FW CL FW FW FW SC Clouds (%) 44 26 30 42 21 20 27 61 87 71 61 78 74 56 44 25 14 2 6 12 19 28 Vsby 10 10 10 10 10 10 10 6 6 10 10 PoP 12hr 5 100 30 10 0 QPF 12hr 0 0.10 0.04 0 0 Rain shwrs S D L S S C C Wind chill 39 34 30 Min chill 34 29 24 31 ChanceThunder 0 5 5 5 0 Max Mix Hgt AGL Mix Hgt 4700 5000 4700 Max Vent Rt 124200 144900 46200 T Wind Dir S W W T Wind Spd 18 24 8 ADI 108 126 Max LVORI 3 3 Stability G B B E E C C MM MM MM MM Ceiling NONE NONE NONE NONE 4700 20800 NONE MM MM MM MM Sta Pres 27.88 27.83 27.73 27.66 27.68 27.73 27.81 MM MM MM MM Date Sat 03/22/25 Sun 03/23/25 Mon 03/24/25 Tue 03/25/25 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 36 64 36 72 48 66 36 59 Temp 40 39 59 55 41 37 67 61 53 50 62 56 43 38 54 50 Dewpt 26 31 36 33 34 33 36 38 42 46 44 36 35 32 30 30 PWind Dir S W N S S SW NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW SC SC FW FW FW SC SC SC B2 B2 SC SC SC SC SC PoP 12hr 10 20 5 20 70 50 10 10 Rain shwrs S S C L C C This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$