Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
416 FOUS54 KMRX 301001 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 601 AM EDT Sat Aug 30 2025 TNZ017-302000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 601 AM EDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 57 79 57 78 Temp 58 72 78 78 71 64 60 59 59 71 77 75 68 62 60 58 58 69 74 76 69 Dewpt 55 59 58 57 58 56 55 55 57 61 61 61 62 59 58 57 56 59 58 58 58 RH 90 64 50 48 63 75 84 87 93 71 58 62 81 90 93 96 93 70 57 54 68 Wind Dir E NE NW NW NE NE NE E E E SE E E E E E E E SE E E Wind Spd 2 2 3 4 3 2 2 2 2 2 3 4 4 3 2 2 2 3 3 4 3 Clouds B1 FW FW SC FW FW SC B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 5 0 40 5 20 QPF 12hr 0 0 0.07 0 0 Rain shwrs C C S S Tstms C C S S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 74 56 74 57 75 55 73 Temp 59 57 71 67 59 58 72 67 60 58 73 66 58 55 69 63 Dewpt 55 54 58 58 56 54 59 59 58 57 61 61 57 55 54 51 PWind Dir E SE SE S SE SW W W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 SC FW PoP 12hr 10 20 20 40 30 50 30 20 Rain shwrs S S S S S C C C C C C S S S Tstms S C $$ TNZ071-302000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 601 AM EDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 61 84 62 80 Temp 61 75 83 84 76 69 65 62 62 74 82 82 74 68 65 63 63 72 78 78 72 Dewpt 58 61 60 58 59 58 57 57 57 61 63 62 62 62 61 61 61 64 64 63 63 RH 90 62 46 41 56 68 75 84 84 64 53 51 66 81 87 93 93 76 62 60 73 Wind Dir E N N N N NE NE NE NE N NW N E E E E E N NW N E Wind Spd 2 3 4 5 5 4 2 2 2 2 2 4 4 3 2 2 2 2 3 4 3 Clouds FW FW FW FW FW FW SC SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 10 10 40 QPF 12hr 0 0 0 0 0.08 Rain shwrs C C C Tstms C C S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 75 61 76 60 78 56 76 Temp 65 63 74 70 64 61 74 71 64 62 75 68 61 56 72 66 Dewpt 62 61 63 61 60 59 63 62 61 60 65 62 59 55 54 53 PWind Dir E E E SE S W N NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW PoP 12hr 30 30 30 40 40 40 30 10 Rain shwrs C S S C S C C C C C S C C Tstms S S S C $$ TNZ036-302000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 601 AM EDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 60 84 61 79 Temp 61 76 83 83 74 68 65 61 62 74 82 82 74 67 64 62 62 72 78 76 70 Dewpt 58 62 60 59 59 57 56 55 56 61 63 62 62 61 61 60 60 64 64 64 63 RH 90 62 46 44 59 68 73 81 81 64 53 51 66 81 90 93 93 76 62 66 78 Wind Dir NE NE E N NE NE NE NE NE NE N N NE NE NE NE NE SE W N E Wind Spd 2 2 2 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Clouds SC FW FW SC FW FW FW B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 10 5 40 QPF 12hr 0 0 0 0 0.21 Rain shwrs S S C C S Tstms S C C S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 74 59 75 59 77 53 75 Temp 64 62 73 68 63 60 74 69 62 61 74 67 59 54 72 64 Dewpt 62 61 64 61 60 60 63 62 60 60 65 60 56 53 54 52 PWind Dir NE SE NE S SW W NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW PoP 12hr 20 40 30 40 40 40 20 10 Rain shwrs S S C C S C C C C C C C S Tstms S S S C $$ TNZ099-302000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 601 AM EDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 63 85 65 82 Temp 62 77 85 85 78 70 67 64 64 76 83 82 76 69 67 66 65 74 79 79 72 Dewpt 60 62 60 59 60 61 60 60 60 64 64 63 64 64 64 63 63 64 64 64 64 RH 93 60 43 41 54 73 78 87 87 66 53 53 66 84 90 90 93 71 60 60 76 Wind Dir N NE NE N NE NE E N N E E NE NE E E E SE SE SE SE E Wind Spd 2 3 4 5 4 2 2 2 2 2 2 3 3 2 2 2 2 3 4 5 4 Clouds FW FW CL FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 0 0 10 10 40 QPF 12hr 0 0 0 0 0.12 Rain shwrs S S C C C Tstms C C S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 79 63 77 62 80 56 77 Temp 65 64 76 71 64 63 75 71 65 63 78 70 60 57 73 67 Dewpt 63 61 61 61 62 61 63 63 63 62 64 62 59 55 53 53 PWind Dir SE SE E SE S W NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW FW FW FW PoP 12hr 30 30 30 50 30 30 20 10 Rain shwrs C S C C S C C C C S S C S Tstms S S S S S C S $$ NCZ060-302000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 601 AM EDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 58 81 58 80 Temp 57 74 81 79 71 64 61 59 59 72 79 77 69 64 61 60 59 70 76 75 67 Dewpt 55 61 58 59 60 61 60 58 58 63 61 61 62 61 61 58 57 60 60 59 60 RH 93 64 46 50 68 90 97 96 96 73 54 58 78 90100 93 93 71 58 58 78 Min/Max RH 46 100 54 100 56 Wind Dir SE E N N E E E E SE SE E E E E E E E SE SE E E Wind Dir Deg 12 8 34 1 8 9 11 11 13 12 11 9 9 10 11 11 10 13 12 11 9 Wind Spd 1 1 2 3 2 1 1 1 1 2 2 3 2 2 2 2 2 2 3 3 2 Clouds SC FW FW SC B1 SC SC SC B2 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1 Clouds (%) 39 13 19 28 51 32 42 45 79 59 57 57 56 50 49 48 56 47 50 53 61 Vsby 10 10 10 10 10 10 10 7 7 10 10 PoP 12hr 5 5 30 10 40 QPF 12hr 0 0 0.03 0 0.15 Rain shwrs C C C C S Tstms C C C C S ChanceThunder 5 5 30 10 40 Max Mix Hgt AGL Mix Hgt 6600 4500 4300 Max Vent Rt 33000 13500 24800 T Wind Dir NE SE SE T Wind Spd 4 3 6 ADI 33 14 25 Max LVORI 7 8 6 Stability G A B G F B B G F A B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.95 27.91 27.91 27.94 27.99 28.00 27.98 28.00 28.03 28.00 27.97 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 76 56 76 57 79 52 75 Temp 60 57 73 66 59 57 73 66 60 58 75 66 57 53 71 62 Dewpt 58 55 58 58 57 55 59 59 58 57 61 60 56 53 52 51 PWind Dir E SE E SE SE W NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC FW PoP 12hr 20 30 30 40 40 40 20 10 Rain shwrs S S C S C C C C S S C S Tstms S S 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 $$