Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
271 FOUS54 KMRX 230022 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 822 PM EDT Sun Sep 22 2024 TNZ017-230800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 822 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 65 85 64 83 64 Temp 71 68 67 65 75 82 80 74 69 68 66 65 74 81 78 72 68 66 66 65 Dewpt 65 65 65 64 70 69 69 69 69 67 66 65 71 70 69 68 67 66 65 65 RH 81 90 93 97 84 65 69 84100 97100100 90 69 74 87 97100 97100 Wind Dir SE S SE S SW W W W S SE SE SE S W SW S SE SE SE SE Wind Spd 2 2 2 2 3 6 6 2 1 1 1 2 3 6 5 2 2 2 2 2 Clouds B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 PoP 12hr 30 70 40 70 70 QPF 12hr 0.07 0.17 0.08 0.14 0.14 Rain shwrs S S C S L C C C S S C C L L L L L L C Tstms S S S C C C C S S S C C C C C C S Obvis PF PF PF PF Heat index 86 84 85 Max heat 82 88 88 86 86 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 63 79 64 77 61 79 60 77 Temp 78 71 65 64 77 72 66 65 75 70 65 63 77 69 62 61 74 69 Dewpt 70 67 65 64 67 65 63 63 65 63 62 61 63 60 59 58 62 60 PWind Dir S E E E E E SE E SE Wind Char LT LT LT GN BZ GN GN LT LT Avg Clouds B2 B1 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 SC FW SC B1 SC SC PoP 12hr 60 50 30 40 50 40 30 30 30 Rain shwrs C L C C C C C C C C C C C C C C S C Tstms S C C S S S $$ TNZ071-230800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 822 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 90 67 89 67 Temp 75 72 70 70 80 88 87 77 73 70 69 68 79 86 84 76 72 70 68 67 Dewpt 71 69 69 67 70 70 70 70 70 69 69 68 71 70 69 68 68 68 68 67 RH 87 90 97 90 72 55 57 79 90 97100100 77 59 61 76 87 93100100 Wind Dir S W SW SW SW W W NE E SE S S SW SW SW S S S S SE Wind Spd 2 2 2 2 3 6 5 3 2 2 2 2 5 10 8 4 3 2 2 2 Clouds SC SC B1 SC SC SC SC B1 B1 SC B1 SC SC SC B1 B2 B1 B2 OV B2 PoP 12hr 20 50 20 60 70 QPF 12hr 0.06 0.11 0.07 0.01 0.33 Rain shwrs S S S C C S S C C L L L L L L L Tstms S S S C C S S S C C C C C C Obvis PF Heat index 83 93 92 91 88 Max heat 85 93 94 91 91 Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 66 81 66 81 63 84 63 81 Temp 80 73 68 66 80 74 69 66 78 74 67 64 81 74 67 64 78 72 Dewpt 70 67 67 66 69 66 65 64 67 64 64 62 65 63 62 61 65 62 PWind Dir S NE NE NE E E SE E NW Wind Char LT LT LT GN BZ GN GN LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC B1 SC SC PoP 12hr 60 40 30 40 50 40 30 30 30 Rain shwrs L L C C C C C C C C C C S C C S S C Tstms C C C C S S S $$ TNZ036-230800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 822 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 66 86 66 Temp 73 70 69 68 81 88 85 76 71 70 69 67 78 84 82 74 70 68 68 67 Dewpt 70 69 69 67 72 71 70 70 70 69 69 67 73 71 70 69 68 68 68 67 RH 90 97100 97 74 57 61 82 97 97100100 85 65 67 84 93100100100 Wind Dir W SW SW SW SW W W NE NE E SE S SW SW SW SW S SW SW SW Wind Spd 1 1 1 1 2 4 4 2 1 1 1 2 4 6 5 2 2 2 2 2 Clouds SC SC B1 B1 FW B1 B1 SC B1 B1 B1 B1 SC SC B1 B2 B2 B2 OV B2 PoP 12hr 20 50 20 70 70 QPF 12hr 0.10 0.12 0.01 0.04 0.67 Rain shwrs S S C C S S C C L L L L L L L Tstms S S C C S S C C C C C C C S Obvis PF PF Heat index 85 94 90 89 86 Max heat 83 94 93 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 79 64 81 64 78 62 82 62 79 Temp 78 71 67 65 79 73 67 66 77 72 66 64 80 73 65 63 77 71 Dewpt 72 68 66 65 69 66 65 64 67 65 63 62 66 64 62 61 65 62 PWind Dir SW NE NE NE E E SE NE SE Wind Char LT LT LT GN BZ GN LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 SC SC SC B1 B1 SC SC PoP 12hr 60 50 30 40 50 40 30 30 30 Rain shwrs L L C C C C C C C C C S S C C S S C Tstms C C C C S S S $$ TNZ099-230800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 822 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 92 69 91 69 Temp 77 74 72 70 83 90 89 80 76 73 71 70 81 88 87 80 75 72 70 70 Dewpt 70 70 70 68 70 69 67 69 69 69 69 69 70 68 68 67 68 69 68 68 RH 79 87 93 93 65 50 48 69 79 87 93 97 69 52 53 65 79 90 93 93 Wind Dir NW W W W SW W W W E SE S S S SW SW W S SE SE SE Wind Spd 1 1 1 1 2 4 5 3 1 1 1 2 5 8 8 4 2 2 2 2 Clouds FW FW SC SC SC B1 B1 B1 SC SC B1 SC SC B1 B1 B1 B1 B2 B2 B2 PoP 12hr 5 30 5 40 50 QPF 12hr 0 0.03 0 0 0.19 Rain shwrs S C S S S C C C C C C C Tstms S C S S C C C C C S S Heat index 87 95 92 83 85 92 91 Max heat 87 85 95 97 92 93 Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 68 80 67 79 65 82 64 80 Temp 80 75 70 68 78 74 70 69 76 73 68 66 80 74 67 65 77 72 Dewpt 71 68 67 67 69 67 67 65 68 65 64 63 67 64 63 61 65 63 PWind Dir SE NE E NE E SE SE SE S Wind Char LT LT GN GN BZ GN GN LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 SC SC PoP 12hr 60 50 40 40 50 30 20 20 30 Rain shwrs C L C C C C C C C C C S S S S S C Tstms C C C C C S S S S S $$ NCZ060-230800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 822 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 64 87 64 86 64 Temp 71 67 65 65 78 85 84 75 70 67 66 65 77 84 80 73 68 66 66 65 Dewpt 67 66 65 64 68 67 67 69 68 67 66 65 70 68 67 67 67 66 65 65 RH 87 97100 97 71 55 57 82 93100100100 79 59 65 81 97100 97100 Max/Min RH 100 53 100 59 100 Wind Dir N NE NE E W W W S N N N SE S SW S SE SE SE SE SE Wind Dir Deg 0 5 6 7 26 28 28 19 0 0 0 12 18 22 19 14 13 12 12 12 Wind Spd 1 1 1 1 2 5 3 1 0 0 0 1 3 5 4 2 1 1 1 2 Clouds SC SC SC SC FW SC SC SC SC SC B1 B1 SC B1 B1 B1 B1 B2 OV B2 Clouds (%) 36 30 41 30 16 49 45 47 39 45 56 58 44 52 63 64 66 78 90 86 Vsby 10 10 7 5 10 10 10 10 10 7 4 PoP 12hr 10 40 10 50 50 QPF 12hr 0 0 0 0.01 0.09 Rain shwrs C C S S C C C C C C C Tstms C C S C C C C C S Obvis PF PF Heat index 88 87 87 Max heat 88 89 87 87 Haines 4 4 LAL 2 1 1 3 3 1 1 3 3 3 3 Max Mix Hgt AGL Mix Hgt 5300 5300 Max Vent Rt 36400 66900 T Wind Dir W SW T Wind Spd 5 8 ADI 32 58 Max LVORI 9 10 Stability G G B B G F C B F D Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.84 27.86 27.84 27.82 27.83 27.84 27.83 27.82 27.84 27.87 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 80 63 77 62 76 60 79 59 77 Temp 79 70 65 64 76 70 65 64 74 70 63 61 78 69 63 59 75 68 Dewpt 68 66 65 64 67 65 65 63 66 64 63 61 63 62 61 59 62 61 PWind Dir SE E E E SE SE SE SE SE Wind Char LT LT LT GN BZ GN LT LT LT Avg Clouds B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 SC SC PoP 12hr 60 50 40 40 60 40 30 20 30 Rain shwrs C L C C C C C C L L C S S C S S S C Tstms C C C C S C C S S S S S This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$