Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
430 FOUS54 KMRX 190522 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 121 AM EDT Thu Jun 19 2025 TNZ017-192000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 121 AM EDT Thu Jun 19 2025 Date Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 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 62 83 62 88 Temp 68 69 74 77 78 73 68 65 62 64 73 80 82 77 69 65 63 66 79 85 88 82 Dewpt 66 68 70 70 69 68 66 65 62 64 65 64 64 66 64 62 61 62 67 67 66 69 RH 93 97 87 79 74 84 93100100100 76 58 55 69 84 90 93 87 67 55 48 65 Wind Dir S SW SW SW W W W W W W NW W W W SE E E E S SW SW S Wind Spd 4 5 11 13 12 9 3 2 1 1 2 2 2 2 1 1 1 1 2 3 3 2 Wind Gust 23 Clouds B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW FW FW FW FW FW FW SC FW SC PoP 12hr 80 30 0 0 0 QPF 12hr 0.10 0.06 0 0 0 Rain shwrs S C C C C C Tstms S S C C C C Obvis PF PF Heat index 88 85 Max heat 83 82 85 89 92 Date Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 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 66 91 68 94 69 93 68 92 Temp 69 70 88 84 72 72 90 85 72 73 90 82 71 72 88 82 Dewpt 65 66 68 71 67 68 70 72 68 69 71 71 68 69 70 70 PWind Dir SE SW SE N SE N E N Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW SC FW FW FW SC FW FW FW PoP 12hr 0 5 0 10 10 20 20 30 Rain shwrs S S C Tstms S S C $$ TNZ071-192000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 121 AM EDT Thu Jun 19 2025 Date Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 66 86 65 91 Temp 72 73 77 81 81 77 72 70 68 67 77 83 86 80 72 69 67 69 81 88 90 84 Dewpt 68 69 72 73 72 70 69 68 67 67 69 68 66 68 66 65 64 65 69 70 69 70 RH 87 87 85 77 74 79 90 93 97100 76 61 51 67 81 87 90 87 67 55 50 63 Wind Dir SW SW SW SW W W SW SW N N N NW N NE E E E E W W W SW Wind Spd 10 11 13 12 10 6 2 1 1 1 2 2 2 2 2 2 1 1 1 2 3 2 Wind Gust 21 Clouds B1 B1 B2 B2 B1 SC FW SC B1 B1 SC FW FW FW FW FW FW FW FW SC FW FW PoP 12hr 80 20 0 0 0 QPF 12hr 0.14 0.05 0 0 0 Rain shwrs C C D L C S Tstms C C C L C S Obvis PF Heat index 86 85 86 83 84 93 95 88 Max heat 86 87 86 88 93 95 Date Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 93 72 94 72 95 72 93 Temp 73 73 91 86 75 75 92 87 75 75 93 86 75 75 91 85 Dewpt 68 68 71 72 69 70 72 73 69 71 73 73 70 71 73 72 PWind Dir SE W SE NE E NE E NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW SC SC SC SC SC SC FW SC PoP 12hr 0 5 0 10 10 30 20 30 Rain shwrs C S C Tstms C S C $$ TNZ036-192000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 121 AM EDT Thu Jun 19 2025 Date Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 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 65 86 64 90 Temp 71 72 76 81 81 76 71 67 65 67 77 83 86 80 71 68 66 68 80 88 89 83 Dewpt 69 70 72 73 72 70 68 67 65 67 69 68 67 69 66 65 64 65 70 70 69 71 RH 93 93 87 77 74 82 90100100100 76 61 53 69 84 90 93 90 72 55 52 67 Wind Dir SW SW SW SW W W W W N N E NE NE E NE NE NE NE S SW SW S Wind Spd 6 8 9 9 8 3 2 1 1 1 1 1 2 1 1 1 1 1 1 2 2 1 Wind Gust 18 19 Clouds B2 B2 B2 B2 B1 SC FW SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 80 20 0 0 0 QPF 12hr 0.08 0 0 0 0 Rain shwrs C C L L C S Tstms C C C L C S Obvis PF Heat index 86 85 86 89 83 83 93 94 88 Max heat 86 87 86 89 93 95 Date Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 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 69 93 72 94 72 95 71 93 Temp 72 72 91 85 75 74 92 87 75 75 93 87 75 74 92 85 Dewpt 66 68 72 73 69 71 73 73 70 71 73 74 71 71 73 73 PWind Dir W S NW E NE NE N E Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW CL FW FW FW FW FW SC SC FW SC SC FW SC PoP 12hr 0 5 0 10 10 30 20 30 Rain shwrs C S C Tstms C S C $$ TNZ099-192000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 121 AM EDT Thu Jun 19 2025 Date Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 68 89 67 93 Temp 71 73 77 84 84 79 73 70 68 70 79 86 88 82 74 70 68 70 83 90 91 85 Dewpt 70 72 72 73 73 71 72 70 68 69 70 69 67 68 69 67 66 67 71 70 69 70 RH 97 97 85 70 70 77 97100100 97 74 57 50 63 84 90 93 90 67 52 49 61 Wind Dir S S SW SW W W NW N N N N N N N N N N N SE S S SE Wind Spd 5 5 8 9 8 4 1 0 0 1 1 2 2 2 0 0 0 0 1 2 2 2 Wind Gust 18 Clouds SC B1 B1 B1 SC SC FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 80 10 0 0 5 QPF 12hr 0.11 0 0 0 0 Rain shwrs C C L L C Tstms C C L L C Obvis PF PF Heat index 90 90 90 91 85 88 96 96 90 Max heat 90 93 90 91 96 97 Date Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 94 73 96 74 96 72 95 Temp 73 73 93 86 75 76 93 88 76 76 94 86 75 75 93 86 Dewpt 68 69 71 72 71 71 72 73 72 72 72 73 72 72 72 73 PWind Dir SE SE S E N NE NE NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW CL CL FW FW FW FW FW FW SC FW FW SC PoP 12hr 0 10 5 20 10 30 20 30 Rain shwrs S C S C Tstms S C S C $$ NCZ060-192000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 121 AM EDT Thu Jun 19 2025 Date Thu 06/19/25 Fri 06/20/25 Sat 06/21/25 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 62 86 62 90 Temp 68 68 76 79 80 75 69 66 64 63 75 83 84 77 68 65 62 65 80 87 88 80 Dewpt 66 67 70 69 69 68 67 66 64 63 67 64 64 66 64 62 60 62 68 66 66 68 RH 93 97 82 72 69 79 93100100100 76 53 51 69 87 90 93 90 67 50 48 67 Min/Max RH 65 100 50 93 47 Wind Dir S S SW W W W NW N N N NW NW NW NW N N E E S S S SW Wind Dir Deg 17 19 22 24 25 26 30 0 0 0 31 31 31 31 0 0 11 11 17 18 18 20 Wind Spd 2 3 5 6 6 3 1 0 0 0 1 2 3 2 0 0 1 1 1 2 2 1 Clouds B2 B2 B2 B2 B1 SC SC FW SC B1 FW FW FW FW FW FW FW FW FW SC SC FW Clouds (%) 73 75 81 80 62 42 49 25 41 52 16 9 6 7 11 8 15 23 9 27 27 13 Vsby 7 10 6 6 10 10 10 7 2 10 10 10 PoP 12hr 80 20 5 0 5 QPF 12hr 0.13 0.01 0 0 0 Rain shwrs C C D D C Tstms C C L D C Obvis PF Heat index 83 83 83 Max heat 85 84 86 89 92 ChanceThunder 80 20 5 0 5 Max Mix Hgt AGL Mix Hgt 3400 4800 6900 Max Vent Rt 38800 49400 31800 T Wind Dir W NW SE T Wind Spd 11 9 4 ADI 34 43 28 Max LVORI 6 9 6 Stability F C A G F A A G G A A Ceiling NONE NONE NONE 5500 NONE NONE NONE NONE 23500 0 NONE Sta Pres 27.96 27.96 27.94 27.97 27.99 27.98 27.98 28.01 28.04 28.03 28.02 Date Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 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 65 91 67 93 67 93 66 92 Temp 68 68 88 81 69 70 90 81 70 70 91 79 70 70 89 79 Dewpt 64 64 67 70 67 67 68 71 67 68 68 69 67 67 68 70 PWind Dir SE W N N E NE E E Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW SC SC FW FW SC SC FW SC SC PoP 12hr 0 10 5 20 10 30 20 40 Rain shwrs S C S C Tstms S 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 $$