Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
313 FOUS54 KMRX 011745 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 144 PM EDT Fri Aug 1 2025 TNZ017-020800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 144 PM EDT Fri Aug 1 2025 Date 08/01/25 Sat 08/02/25 Sun 08/03/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 78 64 78 59 Temp 78 75 71 68 68 68 73 74 75 73 68 67 66 66 71 74 76 72 65 62 61 62 Dewpt 72 69 67 66 66 66 68 69 68 66 65 63 62 62 64 64 62 61 59 58 57 58 RH 82 82 87 93 93 93 84 84 79 79 90 87 87 87 79 71 62 68 81 87 87 87 Wind Dir N N NE NE NE E E E E E E E E E E SE SE SE E E E E Wind Spd 6 6 5 4 3 4 5 5 5 5 5 4 4 5 5 5 6 5 4 2 2 2 Clouds B1 SC B1 B1 B1 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 SC SC FW SC SC PoP 12hr 30 60 50 40 30 QPF 12hr 0.01 0.07 0.08 0.06 0.03 Rain shwrs C C S C L L C C C C C C C C C C S S S Tstms C S S C C C S S C C C Obvis PF Date 08/04 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 63 78 64 81 64 84 65 85 Temp 77 76 66 64 73 73 67 65 77 75 67 65 79 76 67 67 81 78 Dewpt 63 63 60 60 66 65 63 63 68 67 64 64 68 68 65 65 69 68 PWind Dir SE E E E SE E SE E S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 20 40 60 50 60 40 50 30 40 Rain shwrs S S C C C L C C C L C S C C C S C Tstms S S S S C C S C S C S C $$ TNZ071-020800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 144 PM EDT Fri Aug 1 2025 Date 08/01/25 Sat 08/02/25 Sun 08/03/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 82 69 79 66 Temp 85 80 75 72 71 71 77 80 80 76 73 71 70 69 75 78 78 75 70 68 67 67 Dewpt 74 71 69 69 67 68 71 72 73 70 70 69 68 68 69 70 69 68 67 65 64 64 RH 70 74 82 90 87 90 82 77 79 82 90 93 93 97 82 76 74 79 90 90 90 90 Wind Dir N N NE NE NE NE N N SW N NE NE NE NE NE E E E E E E E Wind Spd 6 6 5 5 5 4 3 3 4 4 2 2 2 3 3 3 3 3 2 2 2 2 Clouds B1 B1 B2 SC B1 B2 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 SC B1 B2 PoP 12hr 30 70 70 70 40 QPF 12hr 0.01 0.46 0.14 0.38 0.05 Rain shwrs C S S S C L L L L L L L L L L C C S S S Tstms C S S C L L C S S C S C L L S Heat index 93 83 84 84 Max heat 95 84 84 Date 08/04 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 68 80 68 84 68 87 69 88 Temp 79 77 70 68 77 75 69 69 81 77 70 70 83 79 71 70 85 81 Dewpt 67 67 67 66 69 68 67 67 71 69 68 67 71 70 68 68 71 71 PWind Dir E SE NE E NE SE SE SE W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 40 50 70 50 70 40 50 20 40 Rain shwrs S C C C C L C C C L C S S C S C Tstms C C S S C S S C C S C S C $$ TNZ036-020800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 144 PM EDT Fri Aug 1 2025 Date 08/01/25 Sat 08/02/25 Sun 08/03/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 82 68 79 65 Temp 83 78 74 71 70 71 77 80 80 75 71 70 69 69 74 77 77 74 69 67 66 67 Dewpt 73 70 69 67 66 66 70 71 72 70 70 68 67 68 69 70 70 68 67 66 64 64 RH 72 76 84 87 87 84 79 74 77 84 97 93 93 97 84 79 79 82 93 97 93 90 Wind Dir N N NE NE NE NE NE NE NE NE NE NE NE NE NE E E E NE NE NE NE Wind Spd 5 5 5 4 4 3 2 2 3 3 2 2 2 2 2 2 3 2 2 1 2 2 Clouds B1 B1 B1 SC B1 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC B1 B2 PoP 12hr 20 60 60 70 40 QPF 12hr 0 0.44 0.52 0.44 0.05 Rain shwrs C S S C L C C L L L L L L C C S S S Tstms C S C L C S C C S C L L C Heat index 89 83 84 Max heat 94 83 85 Date 08/04 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 66 80 67 83 67 86 68 87 Temp 79 76 69 68 76 74 69 68 80 77 70 69 83 78 71 70 84 80 Dewpt 67 67 66 66 69 68 66 67 71 70 68 67 71 71 68 69 71 71 PWind Dir E N E NE E E S NE S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 40 50 70 50 70 30 50 20 40 Rain shwrs S C C C C L C C C L C S S C S C Tstms S C C S C C S S C C S C S C $$ TNZ099-020800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 144 PM EDT Fri Aug 1 2025 Date 08/01/25 Sat 08/02/25 Sun 08/03/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 84 70 79 67 Temp 84 80 76 73 71 72 77 81 81 76 72 71 70 70 74 76 77 74 70 68 68 68 Dewpt 75 74 73 71 69 69 72 74 74 72 71 70 70 69 71 71 69 68 66 65 64 64 RH 74 82 90 93 93 90 85 79 79 87 97 97100 97 90 85 76 82 87 90 87 87 Wind Dir N N N N N N NE E E E SE SE SE E E SE SE SE SE SE E E Wind Spd 5 5 5 4 3 3 3 3 4 3 2 2 2 2 4 5 6 5 2 2 2 2 Clouds B2 B2 B1 SC SC B1 OV B2 B1 OV B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 PoP 12hr 20 70 60 70 30 QPF 12hr 0.01 0.32 0.24 0.38 0.03 Rain shwrs L S S C C L L L C C L L L L C C S S S Tstms L S C C L C S S C C C S Heat index 92 85 86 86 Max heat 99 86 88 Date 08/04 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 68 80 69 84 69 87 70 88 Temp 75 74 69 69 76 74 69 70 80 77 71 70 83 79 72 71 85 81 Dewpt 68 68 68 67 71 69 68 68 72 71 70 70 72 72 70 69 73 72 PWind Dir SE SE E E SE SE SE SE S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 50 80 40 70 30 50 10 40 Rain shwrs S C C C L D C C C L C S C C Tstms C C S S C S S L C S C C $$ NCZ060-020800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 144 PM EDT Fri Aug 1 2025 Date 08/01/25 Sat 08/02/25 Sun 08/03/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 80 64 77 61 Temp 84 78 71 69 68 68 75 78 77 72 68 66 66 65 71 73 74 70 65 63 61 62 Dewpt 73 72 71 69 68 68 71 71 70 68 67 66 64 64 66 64 64 63 62 61 58 59 RH 70 82100100100100 87 79 79 87 97100 93 97 84 73 71 78 90 93 90 90 Max/Min RH 100 79 100 71 93 Wind Dir NW NW NW N N E SE SW E SE SE SE E E SE SE SE SE E E E E Wind Dir Deg 31 31 31 0 0 11 14 20 11 12 12 12 11 11 12 12 12 13 11 11 11 10 Wind Spd 4 3 1 0 0 1 2 2 2 2 2 2 2 3 5 5 6 4 3 2 2 2 Clouds SC B1 B1 SC B2 B1 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 Clouds (%) 38 62 59 35 71 65 87 83 83 77 75 63 81 85 75 72 69 63 54 52 69 77 Vsby 10 10 10 7 7 7 8 6 4 6 5 10 PoP 12hr 40 90 80 70 40 QPF 12hr 0.01 0.52 0.14 0.17 0.06 Rain shwrs L C S C C S C D D D D C C L L L L C C C C C Tstms L C S S S C L L C S S S S C C C S Obvis F F F F Heat index 90 Max heat 92 ChanceThunder 40 70 40 50 20 Max Mix Hgt AGL Mix Hgt 2400 3200 Max Vent Rt 16700 49900 T Wind Dir SE SE T Wind Spd 6 17 ADI 17 51 Max LVORI 9 7 Stability A G F B B F F B A G F Ceiling NONE NONE 23500 NONE NONE NONE 12700 12700 NONE NONE NONE Sta Pres 27.97 27.98 28.02 28.01 27.99 27.99 27.98 27.98 27.98 27.97 28.03 Date 08/04 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 63 77 63 82 63 84 64 85 Temp 76 71 65 63 73 71 66 65 78 73 65 65 80 74 66 65 82 75 Dewpt 65 64 64 63 67 66 65 64 70 68 65 65 69 69 66 65 69 69 PWind Dir SE E SE SE SE SE S E S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 SC SC PoP 12hr 50 70 80 60 80 40 60 30 50 Rain shwrs C C L L L D L C C D C S C L C S C Tstms C C C C 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 $$