Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
847 FOUS54 KMRX 121631 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1130 AM EST Wed Feb 12 2025 TNZ017-130900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1130 AM EST Wed Feb 12 2025 Date 02/12/25 Thu 02/13/25 Fri 02/14/25 Sat EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 45 50 21 50 34 Temp 51 49 49 49 49 47 46 45 42 35 32 28 25 21 30 43 49 42 37 36 36 36 Dewpt 47 46 46 48 49 47 45 40 33 27 25 21 19 17 17 18 21 23 24 24 24 26 RH 86 89 89 96100100 96 82 70 72 75 75 78 84 58 36 33 46 59 61 61 67 Wind Dir SE SE S S S W W W W W W NW NW NE NE NE NE SE SE SE SE SE Wind Spd 6 6 8 6 8 9 12 13 13 10 8 4 2 3 3 4 4 3 5 5 5 4 Clouds OV OV OV OV OV OV B2 B1 SC SC SC SC FW FW FW SC FW SC SC B1 B2 B2 PoP 12hr 100 40 0 0 20 QPF 12hr 0.49 0.01 0 0 0 Rain C S Rain shwrs D C L D D S S D Obvis PF PF F F Wind chill 39 35 28 25 Min chill 37 27 22 16 20 38 30 30 Flood A A A A A Date 02/15 Sun 02/16/25 Mon 02/17/25 Tue 02/18/25 Wed 02/19/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 57 45 58 20 39 23 46 28 45 Temp 50 53 56 53 47 37 27 21 34 33 27 24 42 38 32 30 42 39 Dewpt 44 48 49 49 42 29 19 12 14 17 18 16 22 24 24 25 33 31 PWind Dir S S W W W NW NW NE NE Wind Char LT GN BZ GN LT LT LT LT LT Avg Clouds OV B2 OV OV OV OV B2 B1 SC FW FW SC B1 SC B1 B2 B2 B1 PoP 12hr 100 100 100 30 0 0 0 30 60 Frzg rain C Rain shwrs D D L D D L C C L L Snowshwrs S C L $$ TNZ071-130900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1130 AM EST Wed Feb 12 2025 Date 02/12/25 Thu 02/13/25 Fri 02/14/25 Sat EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 50 24 51 38 Temp 52 50 53 52 53 47 45 46 45 38 34 30 27 24 33 45 50 44 41 39 39 39 Dewpt 51 50 51 52 53 47 41 38 33 29 26 23 21 19 19 22 26 27 29 28 29 31 RH 96100 93100100100 86 73 62 70 72 75 78 81 56 40 39 51 62 64 67 73 Wind Dir N W SW W SW W W W W NW N NE NE NE NE NE NE E S S S S Wind Spd 4 5 8 10 11 11 10 9 10 8 5 5 5 6 8 5 3 3 3 3 5 5 Wind Gust 21 Clouds OV OV OV OV OV B2 B1 B1 SC FW FW FW FW FW FW SC SC SC SC B1 B2 OV PoP 12hr 100 20 0 0 50 QPF 12hr 0.70 0 0 0 0.04 Rain S Rain shwrs D L D D L C C D Tstms S Obvis PF PF PF PF PF PF Wind chill 32 24 20 16 26 Min chill 32 24 16 19 37 35 Flood A A A A A Date 02/15 Sun 02/16/25 Mon 02/17/25 Tue 02/18/25 Wed 02/19/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 45 57 22 43 26 48 31 46 Temp 52 57 61 53 47 39 29 23 37 36 30 27 45 42 36 34 44 42 Dewpt 47 51 55 50 40 28 20 14 16 19 21 19 24 27 28 28 35 34 PWind Dir S S W NW N NE N NE NE Wind Char GN BZ BZ GN LT LT LT LT LT Avg Clouds OV B2 B2 OV B2 B2 B2 B1 SC FW FW SC SC B1 B1 B1 B2 B2 PoP 12hr 100 100 80 10 0 0 0 40 60 Rain shwrs D D L D D C C L C Snowshwrs S $$ TNZ036-130900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1130 AM EST Wed Feb 12 2025 Date 02/12/25 Thu 02/13/25 Fri 02/14/25 Sat EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 44 48 23 49 38 Temp 50 48 52 51 51 45 43 45 43 36 32 29 26 23 33 44 49 43 39 39 39 39 Dewpt 50 48 51 51 51 44 39 36 30 27 24 22 19 18 19 21 24 26 27 28 29 31 RH 100100 96100100 96 86 70 60 69 72 75 74 81 56 39 37 51 62 64 67 73 Wind Dir SE W SW SW SW W W W NW NW N N NE NE NE E E E S SW SW SW Wind Spd 2 3 5 6 8 9 8 8 8 5 4 3 3 5 6 5 2 2 2 3 4 5 Wind Gust 19 20 Clouds OV OV OV OV OV B2 B1 SC SC FW FW FW FW FW FW SC FW SC B1 B1 B2 B2 PoP 12hr 100 5 0 0 50 QPF 12hr 0.58 0 0 0 0.05 Rain shwrs L C D D C C C D Tstms S C Obvis PF PF PF PF PF PF Wind chill 16 27 Min chill 38 31 25 16 19 37 35 Flood A A A A A Date 02/15 Sun 02/16/25 Mon 02/17/25 Tue 02/18/25 Wed 02/19/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 60 43 56 21 43 25 47 31 45 Temp 50 54 59 53 45 37 27 21 37 35 28 26 43 41 35 33 43 40 Dewpt 47 51 55 49 38 26 18 12 14 18 20 18 23 26 27 27 34 33 PWind Dir SW SW W NW NW N NE NE NE Wind Char LT GN GN LT LT LT LT LT LT Avg Clouds OV B2 B2 OV B2 B2 B1 B1 SC FW FW SC B1 B1 B1 B1 B2 B2 PoP 12hr 100 100 70 10 0 0 0 40 60 Rain shwrs D D D D L C C L C Snowshwrs C L $$ TNZ099-130900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1130 AM EST Wed Feb 12 2025 Date 02/12/25 Thu 02/13/25 Fri 02/14/25 Sat EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 53 26 54 41 Temp 50 49 52 52 52 46 45 48 47 40 35 31 29 26 34 46 53 48 44 43 43 41 Dewpt 50 49 51 52 52 45 41 38 34 30 27 24 23 21 21 25 29 31 31 31 33 36 RH 100100 96100100 96 86 68 60 67 72 75 78 81 58 43 39 51 60 62 67 82 Wind Dir S S S S SW NW NW NW NW N N N N NE NE E SE SE S S S S Wind Spd 6 5 6 8 8 8 8 9 10 9 6 6 6 9 6 3 5 6 6 9 10 10 Wind Gust 17 18 23 23 Clouds OV OV OV OV OV B1 B1 SC FW FW FW FW FW FW FW SC SC SC SC B1 B2 B2 PoP 12hr 100 5 0 0 50 QPF 12hr 0.73 0 0 0 0.10 Rain shwrs D D D L S C C D Tstms S C C Obvis PF PF PF PF PF Wind chill 34 29 24 22 17 28 37 35 Min chill 34 24 17 20 38 35 Flood A A A A A Date 02/15 Sun 02/16/25 Mon 02/17/25 Tue 02/18/25 Wed 02/19/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 46 57 23 45 28 52 34 49 Temp 52 58 62 54 47 39 29 23 40 39 31 28 48 45 39 37 46 45 Dewpt 48 55 58 51 38 27 19 14 16 21 22 21 25 29 31 30 37 36 PWind Dir S S NW NW N N NE NE NE Wind Char GN GN GN GN LT LT LT LT LT Avg Clouds B2 B2 OV OV B2 B2 B1 SC FW FW FW SC SC B1 B1 B2 B2 B1 PoP 12hr 90 100 40 5 0 0 0 40 50 Rain shwrs D L D D C S C C C Tstms S S $$ NCZ060-130900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1130 AM EST Wed Feb 12 2025 Date 02/12/25 Thu 02/13/25 Fri 02/14/25 Sat EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 45 56 22 55 36 Temp 52 50 51 50 51 48 45 47 46 38 34 29 25 22 36 51 53 44 40 38 38 38 Dewpt 47 47 48 50 51 48 44 38 33 28 25 23 20 18 19 21 22 22 24 24 27 32 RH 83 89 89100100100 96 71 60 67 69 78 81 84 50 30 29 41 52 57 64 79 Max/Min RH 100 60 84 28 85 Wind Dir SE SE SE SE SE W NW NW NW NW NW N N NE E S SE SE SE SE SE SE Wind Dir Deg 12 13 13 14 15 28 30 30 30 31 32 33 34 3 9 16 15 14 13 13 13 13 Wind Spd 5 5 5 5 5 5 8 9 10 8 5 3 2 2 2 3 5 5 6 8 9 9 Wind Gust 16 16 17 18 19 19 20 Clouds OV OV OV OV OV B2 B2 SC SC FW FW FW FW FW FW SC FW SC SC B1 B1 B2 Clouds (%) 98 96 95 99 96 85 74 49 33 20 7 9 16 21 22 32 23 43 48 51 68 85 Vsby 1 4 3 3 2 2 7 10 10 10 10 10 10 10 10 10 PoP 12hr 100 20 0 0 50 QPF 12hr 1.11 0 0 0 0.08 Rain S Rain shwrs D L D D C C C D Tstms S C S Obvis PF PF PF PF PF Wind chill 32 32 32 32 Min chill 32 25 22 27 32 32 Flood A A A A A ChanceThunder 30 5 0 0 0 Max Mix Hgt AGL Mix Hgt 3100 3000 Max Vent Rt 64100 44100 T Wind Dir NW SE T Wind Spd 17 10 ADI 56 38 Max LVORI 7 5 Stability D D D B B G G B B MM MM Ceiling NONE NONE NONE 23500 NONE NONE NONE NONE NONE MM MM Sta Pres 27.76 27.70 27.85 28.01 28.17 28.26 28.28 28.25 28.20 MM MM Date 02/15 Sun 02/16/25 Mon 02/17/25 Tue 02/18/25 Wed 02/19/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 60 44 57 19 45 25 52 31 49 Temp 50 55 57 52 47 37 25 20 40 35 28 26 48 41 35 34 46 43 Dewpt 46 50 54 50 40 26 18 13 14 16 19 18 23 26 28 29 37 34 PWind Dir SE S W NW NW N NW E SE Wind Char GN GN GN GN LT LT LT LT LT Avg Clouds OV B2 OV OV B2 B2 B1 SC FW FW FW SC SC SC B1 B1 B2 B2 PoP 12hr 100 100 70 10 0 0 0 30 60 Rain shwrs D D L D L C C L L This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$