Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
801 FOUS54 KMRX 280532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 131 AM EDT Thu Aug 28 2025 TNZ017-282000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 131 AM EDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 78 52 81 56 82 Temp 50 49 68 74 76 68 59 55 53 54 69 77 79 72 62 59 56 58 72 78 79 71 Dewpt 44 46 52 51 50 51 50 49 48 49 54 56 56 57 56 55 54 54 59 58 58 58 RH 80 89 57 44 40 54 72 80 83 83 59 48 45 59 81 87 93 86 64 50 49 63 Wind Dir E NE SE W W W E E E E W W NW N E E E E NE NW N NE Wind Spd 1 2 2 5 5 2 1 1 1 1 2 4 4 2 2 2 1 2 2 3 4 3 Clouds SC SC FW FW FW SC FW CL FW FW FW FW FW FW SC SC SC SC SC FW SC FW PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Obvis PF Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 57 80 59 78 57 78 57 79 Temp 60 59 77 69 61 60 74 69 61 58 74 70 60 58 74 69 Dewpt 56 56 60 60 58 58 60 60 57 55 58 58 56 55 61 60 PWind Dir NE E E E E E SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW SC SC B1 SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 5 20 10 30 10 30 20 30 Rain shwrs S C S C S S C Tstms S C S C $$ TNZ071-282000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 131 AM EDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 56 85 61 85 Temp 59 57 70 78 79 72 65 60 57 57 73 82 84 76 69 64 62 62 75 82 82 76 Dewpt 50 50 54 54 53 53 53 53 52 52 55 56 55 57 57 57 57 58 61 61 60 60 RH 72 77 57 43 41 51 65 78 83 83 53 41 37 52 66 78 84 87 62 49 47 58 Wind Dir NE NE N W NW W SE E NE NE NE N N E E E E E NE NE N NE Wind Spd 2 2 2 4 4 2 2 2 2 2 2 2 4 3 2 2 2 2 2 4 5 5 Clouds B1 SC B1 B1 B1 SC SC FW FW FW FW FW FW FW SC SC SC FW FW SC FW SC PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 84 63 81 62 81 62 82 Temp 66 63 81 74 66 64 77 72 65 63 77 72 65 63 78 73 Dewpt 60 59 62 61 61 61 65 63 62 61 63 63 62 61 63 62 PWind Dir NE NE E E SE NW SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC SC SC B1 SC SC SC B1 SC SC PoP 12hr 5 20 20 40 20 30 20 30 Rain shwrs S S S C S S S C S S C Tstms S S C S C S C $$ TNZ036-282000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 131 AM EDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 81 55 84 60 85 Temp 57 56 70 78 79 71 64 60 56 57 73 82 83 74 68 64 61 61 75 83 81 74 Dewpt 48 49 54 54 54 56 54 52 50 51 57 57 57 58 58 57 57 58 61 61 60 61 RH 72 77 57 43 42 59 70 75 80 80 57 43 41 57 70 78 87 90 62 47 49 64 Wind Dir NE NE E SW SW SW N NE NE NE E E NE NE NE N NE NE NE NE NE NE Wind Spd 2 2 1 1 2 1 1 1 1 2 1 1 2 2 2 2 2 2 2 2 3 2 Clouds B1 SC SC SC B1 B1 SC FW FW FW FW FW FW SC SC SC SC FW FW FW SC SC PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 60 84 62 81 61 80 61 81 Temp 65 62 81 73 66 63 78 71 64 62 76 70 65 62 78 72 Dewpt 59 58 62 61 60 61 65 63 62 61 64 63 62 61 64 63 PWind Dir NE NE NE SE NE N NE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC B1 SC SC PoP 12hr 5 20 10 40 20 40 20 30 Rain shwrs S S C S S C C S S S C Tstms S S C S C S C $$ TNZ099-282000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 131 AM EDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 59 85 63 84 Temp 61 60 72 81 80 74 67 63 60 59 74 82 83 76 68 66 64 64 75 81 81 75 Dewpt 52 53 56 56 55 58 57 56 55 55 58 58 58 59 60 60 60 60 63 63 63 63 RH 72 78 57 42 42 57 70 78 84 87 57 44 43 56 76 81 87 87 66 54 54 66 Wind Dir N N N N N NE N NE N N NE E E NE NE NE NE NE NE E E E Wind Spd 2 2 2 2 2 2 2 1 2 2 2 3 3 3 2 2 2 2 3 5 5 4 Clouds SC SC B1 B1 B2 B2 B2 SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 10 30 QPF 12hr 0 0 0 0 0.01 Rain shwrs S S C C Tstms C C Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 84 64 81 64 81 63 82 Temp 66 65 81 76 68 65 79 72 66 65 78 73 65 63 79 74 Dewpt 63 61 65 63 63 63 65 65 64 62 63 63 62 61 63 63 PWind Dir NE E E SE E SE SE S Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 10 20 10 50 20 30 20 30 Rain shwrs S S C S S S C S S C Tstms S C S C S C $$ NCZ060-282000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 131 AM EDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 80 52 84 58 82 Temp 55 54 70 78 76 67 60 56 54 53 72 81 79 70 62 59 58 59 72 79 76 69 Dewpt 48 50 57 55 53 54 53 51 50 50 57 56 55 58 57 56 55 57 61 61 61 61 RH 77 86 63 45 45 63 78 83 86 89 59 42 44 66 84 90 90 93 68 54 60 76 Min/Max RH 45 90 40 93 54 Wind Dir N SE S W NW NW N N E E SE W NW NW E E E E E SE E E Wind Dir Deg 0 12 18 27 29 30 0 0 11 11 15 26 29 31 8 10 9 8 11 13 11 9 Wind Spd 0 1 2 4 4 2 0 0 1 1 1 2 3 2 1 1 1 1 2 4 4 2 Clouds B1 B1 B1 B1 B1 B2 B2 SC FW SC FW FW SC SC SC B1 B1 B1 SC SC SC SC Clouds (%) 64 68 56 66 65 71 72 47 24 40 22 23 39 32 37 53 51 64 40 44 48 49 Vsby 9 10 10 10 10 10 10 10 7 7 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 0 5 20 30 QPF 12hr 0 0 0 0 0.02 Rain shwrs S S S S C C S Tstms C C S ChanceThunder 0 0 5 10 30 Max Mix Hgt AGL Mix Hgt 5700 7100 4800 Max Vent Rt 33900 21100 28500 T Wind Dir W SW E T Wind Spd 5 3 5 ADI 34 21 29 Max LVORI 6 7 7 Stability F B B G G A A F F A A Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.05 28.01 28.00 27.99 28.02 27.98 27.92 27.92 27.95 27.94 27.94 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 78 57 78 57 80 Temp 61 60 78 68 62 60 74 66 61 58 75 67 60 58 76 68 Dewpt 60 58 62 61 60 59 62 62 59 57 60 60 58 57 61 60 PWind Dir E E E E E SE E S Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC B1 B1 B1 SC B1 B1 B1 B1 SC SC B1 B1 SC PoP 12hr 20 30 20 50 20 30 20 30 Rain shwrs S C S S S C S S S C S C Tstms S C S S C S C S 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 $$