Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
455 FOUS54 KMRX 211621 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1220 PM EDT Sat Sep 21 2024 TNZ017-220800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1220 PM EDT Sat Sep 21 2024 Date 09/21/24 Sun 09/22/24 Mon 09/23/24 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 62 87 63 84 64 Temp 85 78 70 66 64 62 74 83 86 79 70 66 65 64 76 81 83 77 69 67 66 65 Dewpt 62 66 66 66 64 62 63 63 60 62 65 64 64 64 65 66 66 67 66 65 64 64 RH 46 67 87100100100 69 51 42 56 84 93 97100 69 60 57 71 90 93 93 97 Wind Dir W W S E E E W NW NW S SE SE SE SE SW W W S SE SE SE SE Wind Spd 6 3 1 1 1 1 2 4 4 2 1 2 2 2 4 6 5 2 2 1 1 2 Clouds B1 B1 SC SC SC SC SC FW FW SC SC SC SC B1 SC B1 B1 SC B1 B1 B2 B1 PoP 12hr 10 5 10 50 20 QPF 12hr 0 0 0 0.11 0.02 Rain shwrs S S S C C S S S S C Tstms C S S S S S S Obvis PF F Date 09/24 Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 64 80 60 79 57 77 56 76 Temp 82 74 67 64 77 73 63 61 76 71 61 58 74 70 60 57 74 69 Dewpt 65 67 64 64 66 64 62 61 63 61 58 57 59 58 57 56 60 59 PWind Dir SW S SW E NE NE E E E Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC B1 B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 40 40 20 20 20 20 20 20 Rain shwrs C C C C C C S S S S S S S S S S Tstms S C C S S $$ TNZ071-220800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1220 PM EDT Sat Sep 21 2024 Date 09/21/24 Sun 09/22/24 Mon 09/23/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 92 68 90 68 Temp 89 82 76 72 68 67 80 89 91 83 75 71 69 69 80 87 89 82 75 72 70 69 Dewpt 62 65 68 67 67 64 64 64 65 67 67 66 66 66 66 67 67 68 67 67 66 66 RH 41 56 76 84 97 90 58 44 42 59 76 84 90 90 62 52 48 63 76 84 87 90 Wind Dir W NE SE S S S SW W NW E SE S S S SW W W S S S S S Wind Spd 5 3 2 1 1 1 2 3 3 2 2 2 2 2 4 6 5 3 2 2 2 2 Clouds SC B1 SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 5 10 10 20 10 QPF 12hr 0 0 0 0.01 0 Rain shwrs S S S S Tstms S S Heat index 86 90 92 85 Max heat 89 90 94 82 90 92 Date 09/24 Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 66 86 63 83 61 82 60 80 Temp 87 81 71 67 83 78 68 64 81 76 66 61 79 74 65 61 78 74 Dewpt 65 65 65 65 66 64 64 63 65 62 60 59 62 60 59 58 64 61 PWind Dir SW S SW E NE NE NE NE NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 40 30 20 20 20 20 20 20 Rain shwrs S C C S C S S S S S S S S S Tstms S S S S $$ TNZ036-220800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1220 PM EDT Sat Sep 21 2024 Date 09/21/24 Sun 09/22/24 Mon 09/23/24 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 91 67 89 67 Temp 89 82 73 70 67 67 82 90 89 80 73 71 69 68 80 86 88 80 73 70 69 68 Dewpt 63 67 68 68 67 65 66 66 66 67 68 66 66 67 67 67 67 68 67 67 67 67 RH 42 61 84 93100 93 58 45 47 65 84 84 90 97 65 53 50 67 81 90 93 97 Wind Dir W W N NE W E S W NW NE N NW W SW SW W SW SW SW SW SW SW Wind Spd 3 3 1 1 1 1 2 2 2 2 1 1 1 1 2 5 3 2 1 1 1 2 Clouds B1 SC SC FW SC SC SC SC SC B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 5 20 10 30 10 QPF 12hr 0 0.01 0 0.01 0 Rain shwrs S S S S S C C S Tstms S C C S Heat index 93 92 89 91 83 Max heat 90 93 94 89 91 Date 09/24 Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 88 66 85 62 82 60 82 59 80 Temp 87 76 69 66 82 76 66 63 80 74 63 60 79 73 63 60 78 72 Dewpt 66 66 65 65 66 64 63 62 65 62 59 58 62 60 58 57 64 62 PWind Dir SW W W N N NE NE NE NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 30 10 20 20 20 20 20 Rain shwrs S C C C S C S S S S S S S Tstms S S S S S S $$ TNZ099-220800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1220 PM EDT Sat Sep 21 2024 Date 09/21/24 Sun 09/22/24 Mon 09/23/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 94 70 93 70 Temp 93 85 78 73 70 69 82 91 93 84 78 74 72 71 83 90 92 84 77 74 72 71 Dewpt 62 65 67 68 67 65 65 65 66 68 67 66 67 67 66 65 66 68 67 67 67 67 RH 36 51 69 84 90 87 56 42 41 59 69 76 84 87 57 44 43 59 71 79 84 87 Wind Dir W SW SW W SW S W W W W W W SW SW S SW SW SW S S S S Wind Spd 5 3 1 1 1 1 2 4 4 3 1 1 1 1 3 5 5 3 2 2 2 2 Clouds SC SC SC SC SC FW FW SC SC SC SC SC FW SC SC B1 B1 B1 B1 SC SC SC PoP 12hr 10 5 0 10 0 QPF 12hr 0 0 0 0 0 Heat index 96 87 95 87 Max heat 93 84 93 97 85 92 95 83 Date 09/24 Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 69 88 66 84 64 83 63 82 Temp 88 83 73 69 85 81 70 66 82 78 68 65 80 77 67 63 79 76 Dewpt 64 64 65 65 66 63 64 63 66 62 61 60 64 61 60 59 64 62 PWind Dir SW SW SW NE NE NE NE NE E Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC B1 PoP 12hr 20 20 20 10 20 20 20 20 20 Rain shwrs S S S S S S S S S S S S S Tstms S S S S S $$ NCZ060-220800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1220 PM EDT Sat Sep 21 2024 Date 09/21/24 Sun 09/22/24 Mon 09/23/24 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 62 89 63 88 64 Temp 91 82 72 67 64 62 78 86 88 79 70 66 65 64 79 87 85 76 71 68 66 65 Dewpt 63 63 64 64 63 61 61 62 64 64 64 62 63 63 63 63 64 66 65 65 64 64 RH 40 53 76 90 97 97 56 45 45 60 81 87 93 97 58 45 50 71 81 90 93 97 Max/Min RH 100 42 100 43 100 Wind Dir NW W N N N N W NW NW NW N N N E S W SW SE SE N SE SE Wind Dir Deg 29 28 0 0 0 0 28 29 29 30 0 0 0 11 19 24 22 15 13 0 14 13 Wind Spd 3 2 0 0 0 0 1 4 3 1 0 0 0 1 2 4 3 1 1 0 1 1 Clouds SC SC SC SC FW FW FW SC SC SC FW SC SC SC SC SC SC B1 B1 B1 B1 B1 Clouds (%) 38 49 45 33 22 16 12 30 29 31 24 34 36 31 33 44 49 58 69 57 57 55 Vsby 10 10 10 10 7 7 10 10 10 10 10 PoP 12hr 5 5 5 20 5 QPF 12hr 0 0 0 0 0 Rain shwrs S S Tstms S S Haines 4 4 LAL 1 1 1 1 1 1 1 2 2 MM MM Max Mix Hgt AGL Mix Hgt 5500 6000 Max Vent Rt 38200 68800 T Wind Dir NW SW T Wind Spd 5 6 ADI 33 60 Max LVORI 9 8 Stability B G G B B G G B B F F Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE MM MM Sta Pres 27.85 27.86 27.87 27.84 27.82 27.83 27.86 27.84 27.84 MM MM Date 09/24 Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 87 63 83 60 80 57 79 57 79 Temp 85 74 66 63 82 74 64 60 78 72 61 58 77 72 62 58 78 69 Dewpt 63 66 63 63 65 64 63 60 63 62 61 58 62 61 60 57 61 61 PWind Dir S SE SW E NE E E E E Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC B1 B1 B1 SC SC B1 B1 SC SC SC B1 SC B1 B1 SC SC PoP 12hr 20 20 30 10 20 20 30 20 30 Rain shwrs S S S S C S S S S C S S S C Tstms S 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 $$