Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
Versions:
1
2
519 FOUS54 KMRX 101732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 PM EDT Wed Sep 10 2025 TNZ017-110800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 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 50 80 52 81 53 Temp 75 67 58 54 52 52 67 75 77 68 59 56 53 53 69 77 78 68 60 57 54 55 Dewpt 56 56 54 52 50 50 56 55 55 56 54 52 50 50 56 54 54 55 54 53 53 53 RH 52 68 86 93 93 93 68 50 47 65 83 86 89 89 63 45 43 63 81 86 96 93 Wind Dir NW NW NE E NE E NE N N N NE NE E NE NE N N NE E E E E Wind Spd 4 2 1 1 1 1 2 3 4 2 2 2 1 2 2 2 3 2 2 2 2 2 Clouds FW FW FW FW FW FW FW FW FW FW CL CL FW FW CL CL CL CL CL CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 55 83 59 85 57 84 57 83 Temp 78 69 58 56 79 72 63 61 81 72 62 59 80 72 61 59 79 72 Dewpt 57 57 55 54 58 61 58 58 62 61 57 56 61 60 58 57 61 60 PWind Dir W SE W S N NE NE E N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 0 5 $$ TNZ071-110800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 83 58 84 57 Temp 79 72 65 62 59 59 72 80 81 73 67 63 59 59 72 81 82 73 66 62 59 58 Dewpt 59 60 59 57 56 56 60 61 61 62 60 59 57 57 59 59 57 57 57 56 55 55 RH 50 66 81 84 90 90 66 52 51 68 78 87 93 93 64 47 43 57 73 81 87 90 Wind Dir N NE E E E NE NE NE NE E E E NE NE NE NE NE E E E E E Wind Spd 4 3 2 1 2 2 2 4 5 4 2 2 2 3 3 5 5 4 3 2 2 2 Clouds CL FW FW FW FW FW FW FW FW FW FW CL FW FW CL FW CL CL CL CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 59 87 64 90 63 88 63 87 Temp 82 74 64 60 84 78 68 65 86 79 68 64 84 77 68 64 84 77 Dewpt 60 59 57 57 61 62 61 61 66 63 62 59 64 63 61 60 64 63 PWind Dir NW SE W S N NE NE E N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 0 5 $$ TNZ036-110800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 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 58 83 58 84 56 Temp 80 71 64 62 59 59 73 81 80 72 66 62 60 59 74 82 82 72 65 61 58 57 Dewpt 61 60 59 58 56 56 61 62 62 62 60 58 56 55 59 59 57 58 57 56 55 55 RH 52 68 84 87 90 90 66 53 54 71 81 87 87 87 59 46 43 61 75 84 90 93 Wind Dir N N NE NE NE NE E NE NE N N NE NE NE NE NE NE NE NE NE NE NE Wind Spd 2 2 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 Clouds FW FW FW FW SC SC SC SC FW FW FW CL FW FW CL CL CL CL FW CL FW FW PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 86 59 88 63 90 63 88 62 87 Temp 82 73 63 60 84 77 66 64 87 77 67 64 85 76 67 63 84 76 Dewpt 60 60 57 57 63 63 62 61 66 64 61 59 64 63 60 59 64 62 PWind Dir S NE W N N NE NE NE SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 0 5 $$ TNZ099-110800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 87 61 87 60 Temp 84 76 69 65 63 62 77 85 85 77 70 66 64 62 76 85 85 77 69 65 62 61 Dewpt 60 61 62 61 60 60 62 62 63 64 64 63 61 60 62 59 57 58 59 58 58 58 RH 44 60 78 87 90 93 60 46 48 64 81 90 90 93 62 41 39 52 70 78 87 90 Wind Dir N N N N N N N N N N N N N N NE NE NE NE NE N NE NE Wind Spd 5 4 2 1 1 2 2 4 5 4 2 2 2 2 3 4 5 4 2 2 1 1 Clouds FW FW CL CL CL FW FW FW FW FW CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 61 91 65 94 65 92 66 90 Temp 85 78 66 62 88 80 69 66 91 82 71 66 88 81 70 67 87 80 Dewpt 60 60 60 59 60 62 63 62 64 65 64 62 63 63 63 61 63 62 PWind Dir E SE NW NW N N NE NE E Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds CL FW CL CL FW FW FW FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 0 5 0 5 $$ NCZ060-110800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 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 53 82 53 83 54 Temp 77 67 59 56 53 53 71 80 79 69 62 58 55 54 72 80 79 69 62 58 56 55 Dewpt 56 56 55 54 52 51 59 58 58 58 57 56 53 53 59 57 57 57 57 56 54 54 RH 48 68 87 93 96 93 66 47 49 68 84 93 93 96 64 45 47 66 84 93 93 96 Max/Min RH 96 46 96 44 96 Wind Dir N N E N N S NW N N N NE E E E E NW N N E E E E Wind Dir Deg 33 34 11 0 0 16 32 33 33 34 5 8 8 8 9 31 33 34 8 10 10 10 Wind Spd 5 2 1 0 0 1 2 4 5 2 1 1 1 1 1 2 3 2 1 1 1 1 Clouds FW CL CL FW FW SC FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW Clouds (%) 6 5 3 7 20 31 19 16 9 6 3 6 12 20 6 6 12 7 8 7 15 25 Vsby 10 10 10 8 7 7 10 10 10 10 10 10 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 ChanceThunder 0 0 0 0 0 Max Mix Hgt AGL Mix Hgt 5400 5900 Max Vent Rt 46800 24400 T Wind Dir N N T Wind Spd 6 4 ADI 47 24 Max LVORI 7 8 Stability B G G B B G G B B G G Ceiling NONE 8000 NONE NONE 9800 NONE NONE NONE NONE NONE NONE Sta Pres 27.99 28.02 28.05 28.02 28.00 28.01 28.05 28.02 28.00 28.02 28.03 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 84 54 86 59 89 58 87 59 85 Temp 80 70 60 56 83 72 62 60 86 75 63 59 84 73 64 60 82 72 Dewpt 59 58 57 55 58 60 58 57 62 63 60 57 61 61 60 58 61 62 PWind Dir NW E NW E N NE NE E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW SC FW SC FW FW FW SC PoP 12hr 0 0 0 5 5 5 5 5 10 This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$