Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
957 FOUS54 KMRX 221705 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 105 PM EDT Sun Sep 22 2024 TNZ017-230800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 105 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 63 84 64 83 64 Temp 87 77 70 66 64 63 74 81 81 75 69 67 66 65 76 82 80 73 69 67 66 65 Dewpt 63 63 65 64 63 61 62 63 64 65 65 65 64 64 65 66 67 68 66 65 64 64 RH 45 62 84 93 97 93 66 54 56 71 87 93 93 97 69 58 65 84 90 93 93 97 Wind Dir W W S S S S SW W NW W S SE SE SE S SW SW S SE SE SE S Wind Spd 4 2 1 2 2 2 3 6 5 2 1 1 1 2 3 6 5 2 2 2 2 2 Clouds FW SC B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B2 B2 PoP 12hr 20 60 30 50 60 QPF 12hr 0 0.19 0.04 0.11 0.09 Rain shwrs S C C L L C C C C C C C C L L L L C Tstms S C C C C S S S C C C C S S S Obvis PF Heat index 85 83 Max heat 89 85 86 86 87 Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 62 79 62 77 60 77 58 76 Temp 77 73 65 62 76 73 65 62 74 71 64 61 74 71 61 59 75 67 Dewpt 68 65 62 62 64 62 61 60 61 61 60 58 61 59 58 56 60 59 PWind Dir SW E E E E E SE E E Wind Char LT LT LT LT GN LT GN LT LT Avg Clouds B2 B1 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 SC SC SC B1 SC SC PoP 12hr 60 40 40 30 30 20 20 20 20 Rain shwrs C L C C C C C C C C S S S S S S S S Tstms S C C S $$ TNZ071-230800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 105 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 90 68 88 67 Temp 91 81 76 71 69 68 81 89 87 79 74 71 70 69 81 87 86 78 73 71 69 67 Dewpt 66 67 69 69 68 66 66 66 66 67 67 66 66 65 67 68 68 67 67 67 67 67 RH 44 63 79 93 97 93 60 47 50 67 79 84 87 87 63 53 55 69 81 87 93100 Wind Dir W SW S S SW S W W W NE E SE S S SW SW SW S S S S E Wind Spd 4 3 2 1 1 1 2 5 5 3 2 2 2 2 5 10 9 5 3 2 2 2 Clouds FW B1 SC SC SC SC FW SC SC B1 B1 SC B1 B1 SC SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 50 30 30 60 QPF 12hr 0 0.12 0.02 0.03 0.14 Rain shwrs S S S C C C C S S S S C C L L L L L Tstms S S C C C C S S S C C C S S S S Heat index 94 92 91 89 Max heat 96 92 93 91 92 Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 66 82 66 80 63 80 61 80 Temp 81 77 68 66 79 76 68 66 79 75 67 63 77 74 65 62 77 73 Dewpt 69 65 64 63 67 63 64 62 65 63 62 60 63 60 60 59 64 62 PWind Dir S NE NE NE E E S E E Wind Char LT LT LT LT GN LT GN LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 SC PoP 12hr 60 40 40 30 30 20 30 20 20 Rain shwrs L L C C C C C C C C S S S C S S S Tstms S C C S $$ TNZ036-230800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 105 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 89 67 87 66 Temp 89 81 74 70 69 68 81 88 86 77 71 70 69 67 79 86 84 76 71 68 68 67 Dewpt 67 68 70 69 68 65 65 65 67 68 68 67 66 66 67 68 68 67 67 67 67 67 RH 48 65 87 97 97 90 58 47 53 74 90 90 90 97 67 55 59 74 87 97 97100 Wind Dir W N W S SW SW SW W SW NE NE E S SW SW SW SW SW SW SW W S Wind Spd 2 2 1 1 1 1 2 4 3 2 1 1 1 2 4 8 5 2 2 2 2 2 Clouds SC B1 SC SC SC SC FW B1 B1 SC B1 B1 B1 B1 SC SC B1 B1 B2 B2 OV B2 PoP 12hr 20 60 30 50 60 QPF 12hr 0 0.10 0.01 0.08 0.22 Rain shwrs S S C C L L C C S S C C C C C C L L L Tstms S S S S C C C C S S S S C C C S S S S Obvis PF Heat index 92 84 89 89 87 Max heat 95 90 90 89 89 Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 81 64 80 62 79 61 79 Temp 80 75 66 64 80 72 67 64 79 74 65 62 76 73 63 61 76 72 Dewpt 69 65 63 62 67 62 63 62 65 63 60 60 64 61 60 59 64 62 PWind Dir SW NE NE NE E NE SE NE E Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 B1 SC PoP 12hr 60 40 40 30 30 20 20 20 20 Rain shwrs L L C C C C C C C C S S S S S S S Tstms S C C S $$ TNZ099-230800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 105 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 93 70 91 69 Temp 92 83 77 74 70 69 84 92 89 82 76 73 71 71 82 90 88 80 75 72 70 69 Dewpt 67 68 70 69 68 67 65 64 65 66 66 66 66 66 66 66 66 67 67 68 68 67 RH 44 61 79 84 93 93 53 40 45 58 71 79 84 84 58 45 48 65 76 87 93 93 Wind Dir NW NW W SW N N W W W W E SE S S S SW SW SW SW S S NE Wind Spd 5 3 1 1 0 0 2 4 5 3 1 1 2 2 5 9 8 5 2 2 2 2 Clouds SC B1 FW FW SC FW FW SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 PoP 12hr 5 30 10 20 40 QPF 12hr 0 0.04 0 0 0.13 Rain shwrs S C C S S C C C C C Tstms S C C S S C C S S S Heat index 96 86 93 Max heat 98 84 94 94 82 93 93 Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 68 83 67 80 64 81 63 79 Temp 83 79 71 68 80 77 69 67 79 75 68 64 77 74 66 63 76 73 Dewpt 69 65 64 62 67 64 65 64 67 65 63 61 64 62 61 60 64 62 PWind Dir S E E NE NE E SE E SE Wind Char LT LT LT LT GN LT GN LT LT Avg Clouds B1 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 B1 SC PoP 12hr 50 30 40 30 30 20 30 20 20 Rain shwrs C C C C C C C C C C S S S C S S S S Tstms S S C S S $$ NCZ060-230800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 105 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 63 88 64 85 64 Temp 87 77 70 66 64 63 78 87 84 74 70 67 66 64 77 84 82 74 69 67 66 64 Dewpt 65 67 67 66 64 62 63 63 64 65 64 63 62 62 64 66 67 66 66 66 65 64 RH 48 71 90100100 97 60 45 51 74 81 87 87 93 64 55 61 76 90 97 97100 Max/Min RH 100 45 93 55 100 Wind Dir NW NW N N N N W NW W S N N E SE S SW SW S SE SE SE SE Wind Dir Deg 30 31 0 0 0 0 25 29 28 19 0 0 11 13 18 22 21 16 14 14 14 12 Wind Spd 4 1 0 0 0 0 1 4 3 1 0 0 1 1 3 5 4 2 1 1 1 1 Clouds FW SC FW FW SC FW FW SC SC SC SC SC B1 B1 SC B1 SC B1 B1 B1 B2 B2 Clouds (%) 17 44 24 20 35 24 14 35 45 47 39 45 51 57 48 52 47 59 67 62 85 80 Vsby 10 10 10 7 7 5 10 10 10 10 10 PoP 12hr 10 30 10 40 40 QPF 12hr 0 0.03 0 0.02 0.05 Rain shwrs S C C S S C C C C C C C Tstms S C C S C C C S S S Heat index 85 Max heat 91 88 88 86 86 Haines 4 4 LAL 2 1 1 3 3 1 1 3 3 MM MM Max Mix Hgt AGL Mix Hgt 5200 5600 Max Vent Rt 42200 64300 T Wind Dir NW SW T Wind Spd 5 8 ADI 37 56 Max LVORI 9 7 Stability B G G B B G F C B F MM Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE MM MM Sta Pres 27.82 27.84 27.86 27.85 27.82 27.83 27.85 27.83 27.81 MM MM Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 63 80 63 77 60 77 57 75 Temp 81 71 65 63 77 73 65 64 77 70 63 60 76 67 60 58 75 66 Dewpt 67 64 63 62 66 64 63 62 65 64 63 59 62 60 59 57 62 60 PWind Dir S SE SE E SE SE SE E SE 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 B1 B1 B1 SC PoP 12hr 50 40 40 30 30 20 30 20 20 Rain shwrs C C C C C C C C C C S S S C S S S S Tstms C 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 $$