Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
374 FOUS54 KMRX 030539 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 138 AM EDT Sun Aug 3 2025 TNZ017-032000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 138 AM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 59 82 62 80 Temp 65 65 69 72 75 72 65 62 61 62 73 78 80 76 68 65 63 63 71 75 76 73 Dewpt 62 62 63 62 62 61 59 57 56 57 61 62 62 63 60 58 57 59 63 64 64 64 RH 90 90 81 71 64 68 81 84 84 84 66 58 54 64 76 78 81 87 76 69 66 73 Wind Dir E E E E E SE E E E E E E SE SE SE E E E SE SE SE SE Wind Spd 4 4 5 6 6 5 4 3 2 2 3 3 4 5 4 2 2 2 3 4 5 4 Clouds B2 B2 B2 B1 SC SC SC FW SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 20 20 20 30 40 QPF 12hr 0.01 0 0 0.01 0.04 Rain shwrs S S S S S S S S S S C C C C C C C C C Tstms S S S S S S S C C S Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 80 63 82 63 84 63 87 Temp 66 65 76 73 66 65 78 74 65 65 80 76 66 66 82 78 Dewpt 63 62 66 65 62 62 67 66 63 63 67 66 64 64 68 67 PWind Dir E E E NE E E E E Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 50 60 40 50 20 30 10 20 Rain shwrs C C C C C S S C S S C C Tstms S C S C S S C C $$ TNZ071-032000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 138 AM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 65 82 66 81 Temp 69 69 73 76 75 72 70 68 66 66 73 80 81 77 72 69 67 68 73 78 78 75 Dewpt 67 67 69 69 69 67 67 65 64 64 66 66 66 66 66 66 65 64 67 68 68 67 RH 93 93 87 79 82 84 90 90 93 93 79 62 60 69 81 90 93 87 81 71 71 76 Wind Dir N NE N N W NE SE NE NE NE E NE N SW S S E E E E SE E Wind Spd 2 3 3 3 4 3 2 2 2 3 2 2 3 2 2 2 2 2 2 2 4 3 Clouds B2 B2 B2 B2 OV B2 B2 B1 B1 B2 B1 B1 B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 60 30 30 40 50 QPF 12hr 0.08 0.01 0 0.03 0.10 Rain shwrs C C C C C C S S C C C C C C C C C C C Tstms S S S S S S S C C S Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 82 67 85 67 87 68 89 Temp 70 69 79 76 70 69 82 78 70 69 84 79 71 70 86 81 Dewpt 67 67 70 69 67 66 70 69 67 67 70 69 68 67 70 69 PWind Dir E NE NE NE E NE SE NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 60 70 30 50 20 30 10 20 Rain shwrs C C C L C S S C S C C Tstms S S C S S C S C C $$ TNZ036-032000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 138 AM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 65 81 66 81 Temp 68 68 73 76 74 72 69 68 66 66 73 80 79 76 71 68 67 67 74 78 77 74 Dewpt 67 67 69 69 70 68 67 65 64 64 67 66 67 66 66 66 65 65 68 68 68 67 RH 97 97 87 79 87 87 93 90 93 93 81 62 67 71 84 93 93 93 82 71 74 79 Wind Dir NE NE NE E S S N N NE NE E E SE SW W W NE NE E E SE SE Wind Spd 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 2 2 2 2 2 Clouds B2 B2 B2 B2 OV B2 B1 B1 B1 B1 B2 B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 60 30 30 30 50 QPF 12hr 0.13 0.01 0 0 0.09 Rain shwrs C C C L L C S S C C C C C C C C C C C Tstms S S S S S S S S C C S Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 67 82 67 85 67 86 67 88 Temp 69 68 79 76 69 68 82 77 69 69 84 78 70 69 86 81 Dewpt 67 67 70 69 67 66 70 69 66 67 71 69 68 67 71 70 PWind Dir E E NE NE NE E NE E Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 60 70 30 50 10 30 5 20 Rain shwrs C C C L C S S C C C Tstms S S C S S C C C $$ TNZ099-032000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 138 AM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 66 79 66 79 Temp 71 70 72 73 74 72 68 67 67 67 72 76 77 73 69 68 67 67 72 75 76 73 Dewpt 69 69 70 69 69 66 65 65 64 64 66 67 68 66 66 65 65 65 68 69 70 69 RH 93 97 93 87 84 81 90 93 90 90 81 74 74 79 90 90 93 93 87 82 82 87 Wind Dir E E SE SE SE SE E NE NE NE E SE SE SE SE SE E E E SE SE SE Wind Spd 2 2 4 5 6 5 2 2 2 2 3 5 5 4 2 2 2 2 3 5 5 3 Clouds B2 B2 OV B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 70 20 30 40 60 QPF 12hr 0.13 0.02 0 0.06 0.19 Rain shwrs C L L L C S S S C C C C C C C C L L C Tstms S S S S S S S C C S Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 83 68 86 69 87 70 89 Temp 70 69 80 77 70 69 82 79 71 70 83 79 72 71 85 81 Dewpt 68 68 72 70 69 68 71 71 69 69 71 71 69 69 71 72 PWind Dir SE E E E E SE SE SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 50 70 20 50 10 40 5 30 Rain shwrs C C C L S S C C C Tstms S S C S S C C C $$ NCZ060-032000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 138 AM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 75 60 79 61 78 Temp 66 65 69 71 71 67 64 63 61 62 71 75 75 69 65 63 62 62 69 74 73 70 Dewpt 64 63 65 64 63 62 61 59 58 58 62 64 63 62 62 61 60 61 65 66 66 65 RH 93 93 87 79 76 84 90 87 90 87 73 69 66 78 90 93 93 97 87 76 79 84 Min/Max RH 76 90 64 97 76 Wind Dir E E SE SE SE SE E E E E E SE SE SE SE SE E E SE SE SE SE Wind Dir Deg 11 11 12 12 12 12 11 10 10 10 11 12 13 12 12 12 11 11 12 12 12 12 Wind Spd 3 4 5 6 5 4 3 2 2 2 4 5 5 4 3 2 2 2 3 5 4 2 Clouds B2 OV B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 Clouds (%) 83 91 78 81 72 66 57 53 78 70 70 80 75 82 80 85 89 91 83 87 85 85 Vsby 7 7 5 6 9 10 7 7 7 10 10 10 PoP 12hr 60 30 30 50 70 QPF 12hr 0.10 0.03 0 0.13 0.20 Rain shwrs C C L L C C S S S S C C C C C C C C L L L Tstms S S S S S S S S C C C ChanceThunder 20 20 30 20 40 Max Mix Hgt AGL Mix Hgt 2200 3000 2100 Max Vent Rt 26600 44000 12600 T Wind Dir E SE E T Wind Spd 12 14 6 ADI 33 36 28 Max LVORI 5 6 6 Stability D B B F F B B F D B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.95 27.97 27.95 27.94 27.97 28.01 28.02 28.06 28.10 28.16 28.14 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 80 62 83 62 84 63 85 Temp 65 64 77 72 65 63 80 72 65 64 80 73 66 64 82 75 Dewpt 65 64 69 67 64 63 69 68 65 63 68 67 65 64 69 69 PWind Dir SE SE SE NE E SE E SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 B2 B1 B1 SC B1 SC SC SC SC SC SC PoP 12hr 70 80 40 60 20 50 10 40 Rain shwrs L C C D C S C L S S C S S C Tstms C S C S S C S S C 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 $$