Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
339 FOUS54 KMRX 121700 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 100 PM EDT Wed Mar 12 2025 TNZ017-130800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 100 PM EDT Wed Mar 12 2025 Date 03/12/25 Thu 03/13/25 Fri 03/14/25 Sat 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 44 71 43 73 56 Temp 72 61 52 47 45 44 57 68 71 65 54 49 46 44 59 70 72 66 58 58 57 56 Dewpt 30 36 38 36 36 38 44 46 46 46 45 45 43 42 49 48 47 47 49 49 49 51 RH 21 39 59 65 70 79 62 45 41 50 71 86 89 93 69 45 41 50 72 72 75 83 Wind Dir SW W S SE SE SE S SW W NE E E E E SE S S SE SE S S S Wind Spd 9 3 2 1 1 1 1 2 2 2 1 2 2 2 4 10 13 10 9 9 10 11 Wind Gust 20 21 Clouds FW CL CL FW SC B1 B1 B1 B1 SC FW CL FW FW FW SC SC SC SC SC B1 B2 PoP 12hr 0 5 0 5 30 QPF 12hr 0 0 0 0 0 Rain shwrs C C C Date 03/15 Sun 03/16/25 Mon 03/17/25 Tue 03/18/25 Wed 03/19/25 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 57 67 38 54 33 67 40 71 Temp 71 66 62 57 65 57 44 38 51 49 37 34 63 59 45 41 68 63 Dewpt 54 52 55 54 48 40 36 30 28 27 29 28 34 37 37 37 42 44 PWind Dir S S SW W NW SW SW SE SW Wind Char GN GN GN LT GN LT LT LT LT Avg Clouds B2 B1 B2 B2 B1 SC SC SC SC FW CL FW FW FW SC SC B1 B1 PoP 12hr 70 100 60 30 10 0 0 0 10 Rain shwrs C L D D L C C C Tstms C S $$ TNZ071-130800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 100 PM EDT Wed Mar 12 2025 Date 03/12/25 Thu 03/13/25 Fri 03/14/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 71 46 76 61 Temp 75 66 58 53 50 49 61 70 71 67 57 52 49 47 60 73 76 70 64 64 62 61 Dewpt 32 37 38 38 38 40 47 51 50 49 48 47 46 46 50 52 49 49 50 51 52 53 RH 21 34 47 57 63 71 60 51 47 52 72 83 89 96 69 48 39 47 60 63 70 75 Wind Dir SW SW SW SW SW SW SW W W NW S SE SE SE SE S S S S S S S Wind Spd 12 5 4 3 2 2 2 4 4 2 2 2 2 2 3 10 12 9 10 11 13 14 Wind Gust 21 23 26 26 Clouds CL CL CL FW SC B2 B2 B2 B1 FW SC FW SC SC SC SC SC SC SC B1 B1 B2 PoP 12hr 0 20 5 10 60 QPF 12hr 0 0 0 0 0.03 Rain shwrs S L L L Date 03/15 Sun 03/16/25 Mon 03/17/25 Tue 03/18/25 Wed 03/19/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 57 67 38 58 36 70 44 72 Temp 70 69 62 57 65 58 46 38 55 53 42 37 66 62 50 45 69 66 Dewpt 56 54 55 53 46 39 34 30 29 30 31 30 36 37 37 37 44 46 PWind Dir S S SW W NW SE SW S SW Wind Char BZ GN GN LT LT LT LT LT GN Avg Clouds B2 B2 B2 B2 B1 SC SC SC FW FW CL FW FW FW SC SC B1 B1 PoP 12hr 90 100 50 20 5 0 0 5 20 Rain shwrs L D D D C C S S S Tstms S C S $$ TNZ036-130800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 100 PM EDT Wed Mar 12 2025 Date 03/12/25 Thu 03/13/25 Fri 03/14/25 Sat 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 48 71 48 76 59 Temp 76 67 57 52 50 48 60 69 71 65 56 52 50 48 59 71 75 69 63 63 61 59 Dewpt 37 36 38 39 39 40 47 51 50 50 50 49 48 47 52 53 51 50 50 52 54 56 RH 24 32 49 61 66 74 62 53 47 58 80 89 93 96 78 53 43 51 62 67 78 90 Wind Dir SW SW SW SW SW W SW SW SW SW SW SW S E SE S S S S S S S Wind Spd 10 5 2 2 2 2 2 4 4 2 1 1 1 2 3 9 11 9 9 10 10 10 Wind Gust 19 21 23 25 24 Clouds CL FW FW FW B1 B2 B2 B2 SC FW FW FW SC B1 SC B1 SC SC SC B1 B2 B2 PoP 12hr 0 20 5 5 60 QPF 12hr 0 0 0 0 0.06 Rain shwrs S S L L L Tstms S Date 03/15 Sun 03/16/25 Mon 03/17/25 Tue 03/18/25 Wed 03/19/25 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 72 56 66 37 59 36 69 46 70 Temp 69 66 61 56 64 57 44 37 55 53 41 37 65 61 51 46 67 64 Dewpt 58 55 56 53 46 38 34 29 29 31 32 31 36 38 38 39 46 45 PWind Dir S S SW W NW W SW SW SW Wind Char GN GN GN LT LT LT LT LT GN Avg Clouds B2 B2 B2 B2 B1 SC SC SC FW FW CL FW FW FW SC B1 B1 B2 PoP 12hr 90 100 40 20 5 0 0 5 20 Rain shwrs L D D D C C S S Tstms S C S $$ TNZ099-130800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 100 PM EDT Wed Mar 12 2025 Date 03/12/25 Thu 03/13/25 Fri 03/14/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 71 53 73 62 Temp 78 69 59 54 52 51 60 68 71 66 58 55 54 53 60 68 73 70 66 64 63 62 Dewpt 35 38 39 39 40 44 51 53 53 52 53 52 53 53 56 57 55 55 55 57 57 58 RH 21 32 47 57 63 77 72 59 53 61 83 90 96100 87 68 53 59 68 78 81 87 Wind Dir SW S S S S SE S S S S S S SE SE SE S S SE S S S S Wind Spd 9 3 2 2 2 2 4 5 5 2 2 2 2 2 6 12 13 11 13 13 14 13 Wind Gust 24 21 26 26 28 26 Clouds CL FW CL SC B2 B2 B2 B1 SC FW FW SC B1 B2 B2 B1 SC B1 B1 B2 OV B2 PoP 12hr 5 40 20 5 80 QPF 12hr 0 0.04 0 0 0.29 Rain shwrs C C S S S S D D D Tstms S S S S Date 03/15 Sun 03/16/25 Mon 03/17/25 Tue 03/18/25 Wed 03/19/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 56 68 39 62 39 71 47 72 Temp 68 67 62 56 66 58 47 39 58 56 44 40 67 64 53 48 69 66 Dewpt 59 58 58 53 44 40 35 30 30 33 35 34 37 40 40 41 47 47 PWind Dir S S SW NW NW SW S S S Wind Char BZ GN GN LT LT LT LT LT GN Avg Clouds B2 B2 B2 B1 SC SC SC FW FW CL CL FW FW FW SC SC B1 B1 PoP 12hr 90 90 30 10 0 0 0 5 10 Rain shwrs D D D L C S Tstms S C C $$ NCZ060-130800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 100 PM EDT Wed Mar 12 2025 Date 03/12/25 Thu 03/13/25 Fri 03/14/25 Sat 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 44 71 44 70 56 Temp 75 64 55 48 45 44 56 67 71 64 53 49 47 45 58 67 69 65 61 60 58 56 Dewpt 32 35 37 37 37 39 47 48 45 45 46 46 46 45 52 51 49 50 51 52 52 53 RH 21 34 51 65 73 82 72 50 39 50 77 89 96100 80 56 49 58 70 75 80 90 Max/Min RH 86 39 100 49 90 Wind Dir SW SW SE SE SE SE SE S S S SE E SE SE SE S SE SE SE S S SE Wind Dir Deg 22 21 15 12 12 13 14 18 17 18 14 11 12 12 14 16 15 14 15 16 16 15 Wind Spd 8 2 1 1 1 1 1 3 3 2 1 1 1 2 5 9 10 8 10 10 11 10 Wind Gust 20 20 25 26 27 26 Clouds CL CL CL FW SC B1 B2 B1 SC FW FW FW SC B1 B1 B1 SC B1 B1 B1 B2 B2 Clouds (%) 2 3 5 12 40 65 81 62 41 21 15 16 46 58 63 55 45 57 54 63 81 84 Vsby 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 20 20 20 70 QPF 12hr 0 0.01 0 0 0.06 Rain shwrs S S S S S S S S L L D Tstms S S S ChanceThunder 0 20 20 0 5 Max Mix Hgt AGL Mix Hgt 4600 3100 Max Vent Rt 36600 60500 T Wind Dir S SE T Wind Spd 5 16 ADI 32 53 Max LVORI 5 9 Stability B G F B B G F C C MM MM Ceiling NONE NONE NONE NONE 18200 NONE NONE NONE NONE MM MM Sta Pres 27.78 27.80 27.78 27.75 27.77 27.78 27.80 27.78 27.70 MM MM Date 03/15 Sun 03/16/25 Mon 03/17/25 Tue 03/18/25 Wed 03/19/25 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 70 54 67 35 58 33 70 40 71 Temp 66 65 60 54 65 56 44 35 54 52 38 34 66 60 47 41 67 63 Dewpt 54 52 55 52 43 36 34 29 26 27 28 27 31 34 35 35 41 43 PWind Dir SE S SW NW NW N S SE S Wind Char GN GN LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 SC SC SC FW CL CL FW FW FW SC SC SC B1 PoP 12hr 90 100 40 20 5 0 0 0 10 Rain shwrs D D D D C C S Tstms S C 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 $$