Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
683 FOUS54 KMRX 240532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 AM EDT Sun Aug 24 2025 TNZ017-242000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 59 76 54 74 Temp 67 67 70 77 78 75 68 65 61 60 68 73 74 68 61 58 55 55 66 71 73 67 Dewpt 67 67 69 69 67 66 64 62 59 57 57 56 54 54 52 52 51 51 53 52 51 51 RH 100100 97 76 69 74 87 90 93 90 68 55 50 61 72 80 86 86 63 51 46 56 Wind Dir SW SW SW W W W W NW NW N NW W W W W W NW NE NW W NW NW Wind Spd 2 2 3 4 5 3 2 2 1 2 4 6 9 5 2 1 0 1 2 5 6 4 Clouds OV OV B2 B1 B1 SC FW SC SC FW FW FW SC SC SC B1 SC SC SC SC SC SC PoP 12hr 40 5 0 0 0 QPF 12hr 0.18 0 0 0 0 Rain shwrs L C C S S Tstms C S C S S Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 50 75 51 77 53 78 54 79 Temp 54 52 71 66 53 53 73 68 57 55 75 70 58 56 76 70 Dewpt 47 48 49 49 47 48 52 54 52 51 54 54 52 52 56 56 PWind Dir N N E SW E N NE N Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW CL CL FW B1 B1 SC SC SC FW SC FW SC SC SC PoP 12hr 0 0 0 0 10 10 10 10 $$ TNZ071-242000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 61 80 58 77 Temp 70 70 74 80 83 78 71 68 64 61 71 77 78 72 66 63 60 59 69 75 76 70 Dewpt 69 69 70 70 68 67 65 61 59 57 59 56 56 55 55 55 53 54 54 54 53 53 RH 97 97 87 72 61 69 81 78 84 87 66 48 47 55 68 75 78 83 59 48 45 55 Wind Dir SW SW SW W W W W NW N N N N NW NW N N N NE N N NW N Wind Spd 2 2 2 2 4 3 2 2 2 2 4 5 5 5 2 2 2 2 4 5 5 5 Clouds B2 B2 B2 B2 FW SC SC B1 SC FW FW FW SC B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 40 0 0 0 0 QPF 12hr 0.02 0 0 0 0 Rain shwrs C C S S Tstms C C S S Heat index 83 86 Max heat 83 86 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 78 55 79 58 81 59 83 Temp 59 55 76 69 59 57 77 71 62 59 78 73 64 61 79 74 Dewpt 51 50 51 51 51 52 55 55 56 55 58 57 57 57 61 59 PWind Dir NE NE NE NW NE NE E NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW CL CL SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 20 10 20 20 Rain shwrs S S S Tstms S $$ TNZ036-242000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 85 58 79 57 77 Temp 70 69 75 82 82 77 70 65 61 60 71 77 77 70 65 61 59 58 70 75 75 69 Dewpt 69 69 71 70 68 66 63 59 56 56 58 56 56 55 54 53 52 52 54 54 53 52 RH 97100 87 67 63 69 78 81 84 87 63 48 48 59 68 75 78 80 57 48 46 55 Wind Dir W SW SW S W NW NW N NE N N N NW NW N N N N N N NW NW Wind Spd 2 2 2 2 2 2 3 3 2 2 3 3 4 3 2 2 2 2 2 3 4 3 Clouds B2 B2 B1 B1 SC FW SC SC SC FW FW FW SC SC B1 B1 B1 B1 SC SC SC FW PoP 12hr 30 0 0 0 0 QPF 12hr 0.03 0 0 0 0 Rain shwrs C C Tstms C S Heat index 86 85 Max heat 86 87 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 54 77 54 78 57 80 58 82 Temp 58 55 75 68 58 56 77 71 62 58 78 72 63 60 79 72 Dewpt 50 49 51 51 49 50 55 55 54 53 58 57 56 56 61 59 PWind Dir N NE N SW N NE N E Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW CL FW SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 20 20 20 Rain shwrs S S S Tstms S S $$ TNZ099-242000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 61 81 61 77 Temp 70 70 76 82 83 78 71 67 64 62 73 78 78 72 66 63 62 61 70 74 74 69 Dewpt 70 69 71 71 69 67 65 61 58 57 59 58 57 57 56 55 54 54 56 56 55 55 RH 100 97 85 69 63 69 81 81 81 84 62 50 48 59 70 75 75 78 61 53 51 61 Wind Dir S S SW N NW NW N N N N N N N N N N N N N N NW NW Wind Spd 1 1 2 2 4 3 4 4 4 4 5 5 8 6 4 3 3 3 5 5 6 5 Clouds SC B2 B2 SC SC FW FW FW SC FW FW FW SC SC SC SC B1 B1 SC B1 SC SC PoP 12hr 40 0 0 0 5 QPF 12hr 0.06 0 0 0 0 Rain shwrs C S C C Tstms C S C C Heat index 86 87 Max heat 86 88 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 79 57 80 60 80 61 83 Temp 60 57 76 70 60 58 77 71 64 61 77 72 64 62 79 74 Dewpt 52 51 52 53 51 52 57 57 56 57 61 60 59 58 62 61 PWind Dir N N N E N E NE E Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW CL FW SC SC B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 0 0 0 5 20 20 20 20 Rain shwrs S S S S S S S Tstms S S $$ NCZ060-242000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 82 57 80 54 77 Temp 64 64 72 78 78 73 66 63 59 57 70 77 75 67 60 58 55 55 67 74 72 64 Dewpt 64 64 68 69 68 66 64 61 58 57 58 56 54 54 53 52 51 51 53 52 52 52 RH 100100 87 74 71 79 93 93 96100 66 48 48 63 78 80 86 86 61 46 49 65 Min/Max RH 71 100 47 90 46 Wind Dir N N NW NW NW NW NW NW NW NW NW NW NW NW N N N N N NW NW NW Wind Dir Deg 0 0 30 29 30 29 29 30 30 31 32 31 31 32 33 34 0 0 33 31 31 32 Wind Spd 0 0 2 3 4 2 1 1 1 2 4 5 6 4 2 1 1 1 2 5 5 3 Clouds B1 B1 B1 B1 SC FW FW SC SC B1 FW FW FW SC B1 B1 B1 B2 SC SC SC SC Clouds (%) 60 67 59 57 36 20 15 45 49 56 10 8 21 43 53 64 57 72 47 49 42 36 Vsby 7 7 10 6 10 10 10 10 7 7 10 10 PoP 12hr 60 5 0 0 5 QPF 12hr 0.02 0 0 0 0 Rain shwrs S C L S Tstms S C L S ChanceThunder 60 5 0 0 5 Max Mix Hgt AGL Mix Hgt 3400 4400 4800 Max Vent Rt 26700 48300 38100 T Wind Dir NW N NW T Wind Spd 5 11 6 ADI 27 48 37 Max LVORI 10 9 6 Stability F B A G F B A F F B A Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.88 27.87 27.83 27.90 27.94 27.93 27.97 28.00 28.03 28.03 28.02 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 49 79 52 79 55 79 56 81 Temp 54 50 76 65 54 54 75 66 59 57 75 67 60 57 77 68 Dewpt 50 48 50 51 50 50 55 55 55 54 58 57 57 55 58 58 PWind Dir N N E SW E SE E SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC FW FW FW SC B1 B1 B1 B1 B1 SC SC SC SC SC B1 PoP 12hr 5 0 0 5 20 20 20 30 Rain shwrs S S S S S S C Tstms 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 $$