Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
034 FOUS54 KMRX 020538 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 138 AM EDT Sat Aug 2 2025 TNZ017-022000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 79 64 75 59 82 Temp 68 68 73 75 74 72 68 66 65 64 69 72 73 70 64 61 60 61 71 77 80 75 Dewpt 63 64 66 66 65 64 62 61 60 61 60 59 59 58 56 55 55 57 61 63 62 62 RH 84 87 79 74 74 76 81 84 84 90 73 64 62 66 75 81 84 87 71 62 54 64 Wind Dir NE NE E E E E E E E E E SE E E E E E E E E E SE Wind Spd 3 3 5 5 5 5 5 4 5 5 6 6 6 5 4 2 2 2 3 3 3 4 Clouds B2 B2 B2 B2 B1 B1 SC SC B1 B2 B2 B2 B1 SC SC FW B1 B1 B1 B1 B1 B1 PoP 12hr 70 60 50 30 20 QPF 12hr 0.08 0.04 0.09 0.01 0 Rain shwrs S C L L C C L C C C C C C S S S S C Tstms S C C C S S C C S S S Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 80 64 80 64 83 64 85 Temp 65 64 76 73 66 65 75 74 67 66 79 76 67 66 81 77 Dewpt 59 59 63 64 63 62 66 65 63 63 66 66 64 64 68 67 PWind Dir E SE E E E SE E SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 30 50 50 60 50 50 30 40 Rain shwrs C C C C C C C L C C C C C S C Tstms S C S S C S S C S S C $$ TNZ071-022000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 69 78 65 82 Temp 70 70 77 80 79 76 73 71 70 70 74 76 77 74 70 68 66 66 74 79 81 76 Dewpt 64 65 68 70 70 68 67 67 66 66 67 65 65 64 62 61 61 62 65 66 66 64 RH 81 84 74 72 74 76 81 87 87 87 79 69 67 71 76 78 84 87 74 64 60 66 Wind Dir NE NE N N NE NE N N NE N NE NE E E E E NE NE NE NE NE SW Wind Spd 4 4 3 2 4 3 2 2 2 3 4 3 4 4 2 2 2 2 2 3 3 2 Clouds B1 B1 B2 B2 B1 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B1 B1 B2 PoP 12hr 70 70 70 30 40 QPF 12hr 0.63 0.24 0.20 0.02 0.01 Rain shwrs S C L L L C C L L L L L C C S S S S C C C Tstms S C C C S C C C C L C S C C S Heat index 83 Max heat 83 83 83 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 79 68 83 68 86 69 88 Temp 70 68 78 75 70 69 81 77 71 69 83 78 71 70 85 80 Dewpt 65 64 67 66 67 66 69 68 67 66 69 69 68 67 70 69 PWind Dir SE E E NE E W SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 50 60 50 70 40 50 20 40 Rain shwrs C C C L C C C L C S S C S C Tstms S S C C S S C C S C S C $$ TNZ036-022000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 68 77 65 82 Temp 69 70 77 80 79 75 71 71 69 69 73 75 75 72 69 67 66 66 73 79 80 75 Dewpt 63 64 68 70 70 68 68 67 66 66 67 66 65 64 62 61 61 61 64 66 67 64 RH 81 81 74 72 74 79 90 87 90 90 81 74 71 76 78 81 84 84 73 64 65 69 Wind Dir NE NE NE E NE NE NE NE NE NE NE NE NE E NE NE NE NE NE E SE SW Wind Spd 3 3 2 2 2 2 2 2 2 2 2 3 3 2 2 2 2 2 2 2 2 2 Clouds B1 B2 B2 B2 B2 B2 B1 B2 OV OV B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 PoP 12hr 70 80 80 30 40 QPF 12hr 0.32 0.17 0.30 0.02 0.02 Rain shwrs S C L L C C L D D L L C C S S S S C C C Tstms S C C C C C C C C L C C C C S Heat index 83 Max heat 83 83 82 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 79 68 82 67 85 67 87 Temp 69 68 77 74 69 69 81 76 70 69 83 78 71 70 85 80 Dewpt 64 64 68 66 66 66 70 69 67 66 70 68 67 67 71 70 PWind Dir NW E NE E NE SE NE S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 SC PoP 12hr 40 70 50 70 30 50 20 40 Rain shwrs C C C L C C C L C S S C S C Tstms S S C C S S C C S C S C $$ TNZ099-022000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 70 77 67 79 Temp 71 71 76 79 80 76 73 71 71 70 74 75 76 73 69 67 67 67 73 77 77 74 Dewpt 67 66 70 71 71 70 70 69 68 68 68 67 66 65 63 62 63 63 66 67 68 65 RH 87 84 82 77 74 82 90 93 90 93 82 76 71 76 81 84 87 87 79 71 74 74 Wind Dir N N NE NE E E SE SE NE NE E SE SE SE SE SE E E E SE SE SE Wind Spd 3 3 3 3 4 3 2 2 2 2 4 5 6 4 2 2 2 2 3 4 5 3 Clouds B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 B2 B2 B2 B2 B1 B2 PoP 12hr 70 60 80 30 40 QPF 12hr 0.49 0.49 0.13 0.02 0.03 Rain shwrs S C C L L C S C D D L L C C S S S S C C C Tstms S C C C C S C C C L C S C C S Heat index 83 Max heat 84 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 79 68 83 69 86 69 87 Temp 69 68 77 74 70 69 80 78 71 70 83 80 72 71 84 80 Dewpt 66 65 70 69 68 67 71 70 68 67 71 70 69 68 71 71 PWind Dir SE SE E SE SE SE SE SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 40 80 40 70 20 50 10 40 Rain shwrs C C C D C C C L S S C C Tstms S S C C S C S S C C $$ NCZ060-022000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 64 75 61 79 Temp 68 68 75 77 76 71 68 67 66 65 69 72 73 68 65 63 62 62 71 75 74 70 Dewpt 66 66 70 69 68 67 65 64 63 62 62 59 59 58 58 59 57 59 63 64 63 62 RH 93 93 84 76 76 87 90 90 90 90 78 64 62 70 78 87 84 90 76 69 69 76 Min/Max RH 74 90 62 90 66 Wind Dir N SE SE S E E E E E SE SE SE SE SE SE E E E SE SE SE SE Wind Dir Deg 0 12 14 18 11 11 11 11 11 12 12 12 12 12 12 11 11 11 12 14 14 13 Wind Spd 0 1 2 3 3 2 2 2 3 3 5 6 6 4 3 2 2 2 3 4 4 3 Clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 Clouds (%) 62 70 74 84 73 83 81 70 70 78 78 75 66 67 65 61 76 76 62 70 75 77 Vsby 6 7 10 6 5 5 7 7 7 3 3 6 PoP 12hr 70 70 80 40 50 QPF 12hr 0.73 0.11 0.12 0.04 0.04 Rain shwrs S S C L L L C C C D D L L C C C C C C C C L Tstms S C C C S S C C C L C S C C S ChanceThunder 50 50 60 20 30 Max Mix Hgt AGL Mix Hgt 2400 2500 3000 Max Vent Rt 16700 27100 34900 T Wind Dir SE SE SE T Wind Spd 6 13 10 ADI 17 27 36 Max LVORI 9 5 6 Stability F B B F F B B F F B B Ceiling 18200 NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.01 28.00 27.97 27.96 27.95 27.97 27.95 27.94 27.97 28.01 28.02 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 77 64 81 64 83 64 85 Temp 64 64 74 71 65 64 77 73 66 65 79 74 66 65 81 75 Dewpt 61 60 66 64 65 63 67 66 64 63 67 68 65 64 68 68 PWind Dir SE SE E SE SE SE E SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 60 80 70 80 50 70 30 50 Rain shwrs L C C D L C C D C S C L C S C Tstms S S C C S S C S S C 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 $$