Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
575 FOUS54 KMRX 161912 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 312 PM EDT Fri May 16 2025 TNZ017-170800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 312 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon 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 80 57 78 58 Temp 81 76 72 68 66 65 71 78 79 74 65 60 58 59 70 76 77 72 64 60 59 61 Dewpt 67 65 64 62 63 64 64 59 56 54 53 54 54 57 58 58 58 58 57 57 56 59 RH 63 69 76 81 90 97 79 52 45 50 65 81 86 93 66 54 52 61 78 90 90 93 Wind Dir SW SW SW SW SW SW W W W W W W W SW W W W W SW SE E E Wind Spd 11 8 5 6 11 11 14 18 19 12 8 5 4 4 8 11 9 5 2 1 1 1 Wind Gust 17 23 21 25 29 29 Clouds B1 B1 B2 B2 OV B1 SC FW FW FW FW SC SC SC SC SC SC SC SC SC B1 B2 PoP 12hr 90 20 5 10 10 QPF 12hr 0.90 0 0 0 0 Rain shwrs C S C L L S C Tstms C S C L C S Svr Tstorm A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 77 61 81 63 75 52 64 48 68 Temp 75 73 64 64 78 76 66 66 73 67 58 53 61 59 51 50 64 63 Dewpt 64 63 61 62 66 64 62 63 64 57 54 51 49 46 45 47 48 48 PWind Dir SW S SW SW SW W NW W W Wind Char LT LT LT LT GN GN GN LT GN Avg Clouds B1 B1 B1 B2 B2 B1 B2 B2 B2 B1 B1 B2 B1 SC SC SC SC SC PoP 12hr 50 30 60 70 80 60 40 30 20 Rain shwrs C C C C L L L L D L C C C C S S S Tstms S C S C C S S C C $$ TNZ071-170800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 312 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 83 62 82 63 Temp 86 81 76 74 67 67 75 81 83 77 69 65 63 64 73 78 80 75 69 66 64 65 Dewpt 69 67 66 66 66 66 66 60 57 59 59 58 59 60 62 63 63 64 64 63 62 63 RH 57 63 71 76 97 97 74 49 41 54 70 78 87 87 68 60 56 69 84 90 93 93 Wind Dir SW SW SW SW SW SW SW W W W SW SW SW SW SW W W SW E SE SE E Wind Spd 16 11 11 12 13 12 13 14 14 9 5 3 2 2 2 4 4 2 2 1 1 1 Wind Gust 23 24 25 25 Clouds B1 B2 B2 B2 OV B1 FW FW CL SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 90 10 5 30 30 QPF 12hr 1.00 0 0 0 0 Rain shwrs S S D L S S C C S S C C L Tstms S S C C S C S Heat index 90 84 Max heat 90 82 83 81 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 65 84 66 76 55 68 51 71 Temp 78 75 68 67 82 78 70 68 74 68 60 55 64 63 54 53 67 66 Dewpt 69 67 65 65 69 67 65 66 64 59 55 51 51 49 49 48 50 52 PWind Dir SW SE SW SW SW W NW NW NW Wind Char LT LT LT LT GN LT GN LT LT Avg Clouds B1 B1 B1 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 70 20 50 70 70 50 30 20 20 Rain shwrs L L S C C L L L L C C C C S S S Tstms C S S C C S S C C $$ TNZ036-170800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 312 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon 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 66 84 62 82 63 Temp 85 80 74 72 67 66 76 82 84 77 69 64 62 64 73 79 79 74 68 65 64 65 Dewpt 70 68 67 66 66 65 66 58 57 58 57 58 58 60 62 63 63 65 64 63 63 63 RH 61 67 79 81 97 97 71 44 40 52 66 81 87 87 68 58 58 74 87 93 97 93 Wind Dir SW SW SW SW SW SW SW W W W W W SW SW SW W W W NE N NE E Wind Spd 10 8 9 9 9 6 10 11 11 6 4 2 2 1 2 3 3 2 1 1 1 1 Wind Gust 20 19 20 21 21 17 23 21 Clouds B1 OV B2 OV OV B1 FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B2 PoP 12hr 90 10 5 30 30 QPF 12hr 0.96 0 0 0 0 Rain shwrs S S C D C C C S S C C L Tstms S S C L C S C S Heat index 90 Max heat 90 82 84 81 Svr Tstorm A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 79 65 83 65 76 54 68 50 71 Temp 78 74 67 67 81 77 69 67 75 67 59 55 65 62 53 53 68 66 Dewpt 69 67 65 66 70 67 65 65 64 58 54 51 51 49 49 48 50 51 PWind Dir SW SE SW SW SW W NW NW W Wind Char LT LT LT LT GN LT LT LT LT Avg Clouds B2 B1 B1 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 70 20 60 70 70 40 30 20 20 Rain shwrs L L S C L L L L L C C S C S S Tstms C S S C C S S S C $$ TNZ099-170800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 312 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 87 65 85 66 Temp 88 83 77 73 71 70 78 85 87 82 72 69 67 66 76 82 82 78 71 68 67 68 Dewpt 69 69 68 67 68 67 68 60 59 62 62 63 63 64 67 67 66 68 68 67 67 67 RH 54 63 74 81 90 90 71 43 39 51 71 81 87 93 74 61 58 71 90 97100 97 Wind Dir SW S S SW SW SW W W W W SW SW SW S SW SW W W S N N S Wind Spd 11 8 5 5 6 5 8 9 9 5 2 1 1 1 2 3 3 2 1 0 0 1 Wind Gust 18 17 17 18 16 19 Clouds B1 B1 B1 B2 OV B1 SC FW FW SC SC B1 B1 B2 B1 B2 B1 SC B1 B1 B2 B2 PoP 12hr 80 10 10 50 30 QPF 12hr 0.58 0 0 0.05 0.01 Rain shwrs S L C C C C C C C C C C Tstms S C C C C C C Heat index 93 86 85 Max heat 93 83 85 86 85 86 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 68 86 68 78 56 71 52 73 Temp 83 79 70 69 84 80 71 69 76 70 60 57 68 65 55 54 70 68 Dewpt 71 69 68 68 70 69 68 67 64 60 56 51 51 50 50 50 52 53 PWind Dir SW S S SW W NW NW NW NW Wind Char LT LT LT LT GN LT GN LT LT Avg Clouds B2 B1 B1 B2 B1 SC B1 B2 B1 SC B1 B1 SC SC FW FW SC SC PoP 12hr 50 10 40 70 60 30 20 10 10 Rain shwrs C C S C L L L C C S S Tstms S C C S S S C $$ NCZ060-170800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 312 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon 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 83 60 82 59 Temp 86 79 73 72 67 64 72 80 82 76 67 63 60 62 73 79 78 73 66 63 62 62 Dewpt 66 64 63 64 63 64 66 58 55 56 56 57 57 59 62 59 59 62 61 60 60 62 RH 51 60 71 76 87100 81 47 40 50 68 81 90 90 68 50 52 68 84 90 93100 Max/Min RH 100 40 93 50 100 Wind Dir SW SW S SW SW W W W W W W W NW N W W W W N N N N Wind Dir Deg 23 21 18 21 22 24 26 26 27 26 25 26 29 0 28 27 26 27 0 0 0 0 Wind Spd 9 5 4 5 5 5 6 9 9 5 2 2 1 1 2 3 3 2 0 0 0 0 Wind Gust 16 18 16 19 19 Clouds B1 B1 B1 B2 OV B2 SC FW FW FW SC SC B1 B1 B1 B1 B1 SC SC SC B1 B1 Clouds (%) 64 60 64 78 93 80 50 15 16 24 32 50 59 64 65 69 56 41 50 48 63 69 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 70 30 10 40 20 QPF 12hr 0.50 0 0 0.04 0 Rain shwrs S C C C S S C C S S S S C Tstms S C C C S C C S ChanceThunder 40 30 5 30 20 Max Mix Hgt AGL Mix Hgt 5900 4500 Max Vent Rt 136400 59800 T Wind Dir W W T Wind Spd 17 10 ADI 119 52 Max LVORI 9 7 Stability B E D B B G F B A G F Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.77 27.75 27.79 27.83 27.82 27.84 27.85 27.83 27.83 27.85 27.87 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 62 85 63 77 52 67 48 70 Temp 80 75 65 64 82 76 67 65 74 67 57 52 63 61 51 50 67 63 Dewpt 66 64 62 64 65 64 63 64 61 57 54 51 48 46 46 46 47 48 PWind Dir SW S SW S W NW NW NW NW Wind Char LT LT LT LT GN LT GN LT LT Avg Clouds B2 B1 B1 B2 B1 SC B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 60 10 40 60 70 30 30 10 20 Rain shwrs C L S C L L L L C S C C S S Tstms C S C C S C C 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 $$