Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
379 FOUS54 KMRX 021738 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 138 PM EDT Sat Aug 2 2025 TNZ017-030800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 138 PM EDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue 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 64 76 59 81 62 Temp 77 74 68 66 65 64 69 72 75 71 65 62 61 61 72 77 79 74 68 66 63 64 Dewpt 67 65 64 63 62 62 63 62 62 61 59 58 57 58 61 62 62 62 61 59 58 60 RH 71 74 87 90 90 93 81 71 64 71 81 87 87 90 68 60 56 66 78 78 84 87 Wind Dir E E E E E E E SE SE SE E E E E E E SE SE E E E E Wind Spd 5 5 5 4 4 5 5 6 6 5 4 2 2 3 3 3 4 5 3 2 2 2 Clouds B2 B2 B1 SC B2 B2 B1 B2 B1 B1 SC FW SC SC SC B1 B1 B1 B1 B1 B2 B1 PoP 12hr 60 40 20 20 30 QPF 12hr 0.05 0.01 0 0 0 Rain shwrs L L S S C C S S C S S S S S S C C C C C Tstms C S S C S Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 81 64 81 64 82 64 84 64 87 Temp 75 75 67 65 77 75 67 65 78 75 66 66 79 77 67 67 82 78 Dewpt 65 65 62 62 66 65 63 63 68 67 65 64 69 67 65 65 69 68 PWind Dir SE E E E E E E E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC SC SC PoP 12hr 40 50 50 40 40 20 30 10 30 Rain shwrs C C C C C C C S S C S S C C Tstms C S C S C S S C C $$ TNZ071-030800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 138 PM EDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 79 65 81 67 Temp 81 77 74 71 69 69 73 75 76 73 69 67 66 66 73 79 80 75 72 70 68 68 Dewpt 72 70 69 69 68 67 69 70 69 67 66 65 63 63 66 66 67 66 66 65 64 65 RH 74 79 84 93 97 93 87 84 79 81 90 93 90 90 79 64 65 74 81 84 87 90 Wind Dir N E NE NE NE NE NE W W N S E E NE NE NE E SE SE SE E NE Wind Spd 3 3 2 2 2 3 4 4 4 3 2 2 2 3 2 3 3 2 2 2 2 2 Clouds B2 B2 B2 B2 B2 B1 B2 OV B2 B2 B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 70 70 30 30 40 QPF 12hr 0.38 0.21 0.03 0 0.07 Rain shwrs L L C C L C C L L C C S S C C C C C C C Tstms L C S S C S C L L S C C S Heat index 85 Max heat 87 82 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 68 84 68 85 68 87 69 89 Temp 78 77 71 69 81 76 70 69 81 78 70 69 84 78 72 70 87 81 Dewpt 69 67 66 66 69 67 66 66 70 70 68 67 71 70 68 68 71 70 PWind Dir NE E E E NE E E E S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 50 60 30 40 20 30 10 30 Rain shwrs C C C C C L C S S C S C C Tstms C S S C S S C S C C $$ TNZ036-030800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 138 PM EDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue 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 77 64 82 66 Temp 82 76 72 70 68 68 73 75 75 72 68 67 65 66 72 79 79 75 71 68 67 68 Dewpt 72 70 69 68 68 67 69 70 69 67 66 65 63 63 65 66 67 66 66 65 64 65 RH 72 82 90 93100 97 87 84 82 84 93 93 93 90 79 64 67 74 84 90 90 90 Wind Dir NE NE NE NE NE NE NE NE SW W NE NE NE NE NE E E E E NE NE NE Wind Spd 2 2 2 2 2 2 3 3 3 2 2 2 2 2 2 3 3 2 1 1 1 2 Clouds B2 B2 OV B2 OV B2 B2 OV B2 B2 B1 B1 B1 B2 B2 B1 B1 B2 B2 B1 B2 B2 PoP 12hr 70 80 30 30 30 QPF 12hr 0.19 0.35 0.02 0.01 0.01 Rain shwrs L L C C L C C L L C C S S C C C C C C C Tstms L C S S C S C L L C C C S Heat index 87 Max heat 88 82 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 82 67 83 67 84 67 86 68 88 Temp 78 76 70 69 80 76 69 68 81 78 70 69 84 77 71 70 87 80 Dewpt 69 68 66 66 70 69 66 66 71 70 67 68 71 70 69 69 72 71 PWind Dir E NE E NE E NE SE NE S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC B1 SC SC SC SC SC PoP 12hr 50 50 60 30 40 10 30 5 30 Rain shwrs C C C C C L C S S C C C Tstms S C S S C S S C C C $$ TNZ099-030800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 138 PM EDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 76 66 79 67 Temp 84 77 73 71 71 70 72 74 74 71 68 67 66 67 73 76 77 73 69 68 67 68 Dewpt 74 73 71 71 70 70 70 70 69 67 66 65 64 64 66 67 68 67 67 66 66 66 RH 72 87 93100 97100 93 87 84 87 93 93 93 90 79 74 74 81 93 93 97 93 Wind Dir E N SE SE E E SE SE SE SE E E E E E SE SE SE SE SE E E Wind Spd 3 3 2 2 2 2 4 5 5 4 2 2 2 2 3 4 5 4 2 2 2 2 Clouds B1 OV OV B2 OV B2 OV OV B2 OV B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 PoP 12hr 70 70 20 30 40 QPF 12hr 0.57 0.21 0.02 0.01 0.06 Rain shwrs C L C C C L C C C S S S S C C C C C C C Tstms C C S S S C C C C S C C S Heat index 91 Max heat 91 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 68 82 68 85 69 86 70 88 Temp 77 76 70 69 78 76 70 69 81 78 70 70 82 78 72 71 85 81 Dewpt 70 69 69 68 71 70 69 68 72 71 70 69 72 72 71 70 72 72 PWind Dir SE SE E E E SE SE SE SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 60 50 70 20 50 10 40 5 30 Rain shwrs C L C C C L S S C C C Tstms C S S C S S C C C $$ NCZ060-030800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 138 PM EDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue 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 64 74 60 78 62 Temp 76 73 68 66 66 65 69 72 71 68 64 63 62 61 71 75 74 69 65 64 62 63 Dewpt 71 68 67 66 64 63 65 64 63 62 61 60 58 59 64 64 64 63 62 62 60 61 RH 85 84 97100 93 93 87 76 76 81 90 90 87 93 79 69 71 81 90 93 93 93 Max/Min RH 100 73 93 69 97 Wind Dir SE SE SE SE E SE SE SE SE SE E E E E E SE SE SE E SE SE E Wind Dir Deg 15 12 12 12 11 12 12 13 12 12 11 11 10 10 11 12 13 13 11 12 12 11 Wind Spd 3 2 2 2 3 3 5 6 5 4 3 2 2 2 3 5 4 3 2 2 2 2 Wind Gust 13 Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 OV Clouds (%) 87 80 85 79 74 80 80 80 76 77 55 57 75 79 66 78 75 74 73 78 84 88 Vsby 6 6 7 7 7 6 5 6 10 10 9 10 PoP 12hr 80 70 30 40 50 QPF 12hr 0.05 0.14 0.03 0.02 0.17 Rain shwrs D D C C C L L L C C C S S S S C C C C C C C Tstms L C C C C C C L C S C C S ChanceThunder 40 60 20 30 20 Max Mix Hgt AGL Mix Hgt 2600 2800 Max Vent Rt 33100 36900 T Wind Dir SE E T Wind Spd 13 12 ADI 33 36 Max LVORI 5 6 Stability B F F B B F F B B F D Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.97 27.96 27.95 27.97 27.95 27.94 27.97 28.01 28.02 28.06 28.10 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 79 63 83 63 83 64 86 Temp 77 72 65 64 75 71 65 64 78 73 65 64 79 74 66 65 82 76 Dewpt 67 66 64 63 69 67 65 64 69 68 65 64 69 68 66 65 69 69 PWind Dir SE SE SE E E E SE E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 SC SC SC SC PoP 12hr 60 60 80 40 60 20 50 20 40 Rain shwrs C L L C C D C S C L S S C S S C Tstms S C 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 $$