Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
644 FOUS54 KMRX 100057 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 757 PM EST Thu Jan 9 2025 TNZ017-100900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 757 PM EST Thu Jan 9 2025 Date 01/09/25 Fri 01/10/25 Sat 01/11/25 Sun 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 18 35 28 33 15 Temp 21 19 18 20 26 32 32 32 32 31 30 30 30 31 31 27 23 20 18 16 Dewpt 13 13 12 12 14 17 24 28 29 30 29 29 28 25 24 22 20 18 15 14 RH 71 77 77 71 60 53 72 85 88 96 96 96 92 78 75 81 88 92 88 92 Wind Dir E E NE NE E W E E S SW W W W W W W W S E E Wind Spd 1 1 1 1 1 2 2 2 1 2 4 9 11 12 10 5 2 1 1 1 Clouds FW SC B1 B2 OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC PoP 12hr 0 90 100 20 0 QPF 12hr 0 0.17 0.24 0.01 0 Flurries S S S S Snow S L D D D Snowshwrs C C Obvis PF PF PF Wind chill 21 20 21 23 21 Min chill 25 18 17 19 31 30 20 20 20 20 16 Winter Storm W W W W W W W Date 01/12 Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 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 36 19 37 18 27 13 27 13 32 Temp 33 26 21 23 34 32 24 20 25 23 18 16 24 22 17 15 27 27 Dewpt 24 21 18 20 30 27 21 15 17 14 13 11 15 14 13 12 19 19 PWind Dir SW SW SW W W W W W W Wind Char LT LT LT GN GN LT GN LT GN Avg Clouds FW FW FW SC B1 B1 B1 B1 B1 SC B1 B2 B1 SC SC B1 B1 B1 PoP 12hr 0 0 5 5 0 10 5 10 10 $$ TNZ071-100900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 757 PM EST Thu Jan 9 2025 Date 01/09/25 Fri 01/10/25 Sat 01/11/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 21 34 28 35 15 Temp 24 22 23 25 27 30 32 32 31 30 30 30 31 33 34 27 23 20 18 16 Dewpt 15 13 14 16 20 24 28 29 29 30 30 29 28 26 25 22 20 18 16 15 RH 68 68 68 68 74 78 85 88 92100100 96 88 75 69 81 88 92 92 96 Wind Dir E NE NE NE N N NE N W SW SW W W W W SW S E E SE Wind Spd 1 2 2 1 1 1 2 2 1 2 3 5 6 5 4 2 1 1 1 1 Clouds SC SC OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC FW SC SC PoP 12hr 10 100 100 0 0 QPF 12hr 0 0.50 0.27 0 0 Snow S C D D D D Snowshwrs S S Obvis F PF PF Wind chill 24 24 Min chill 28 22 21 24 32 30 24 23 27 20 16 Winter Storm W W W W W W W Date 01/12 Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 38 21 39 18 32 15 32 16 36 Temp 33 29 24 25 36 32 24 20 29 25 20 19 29 25 20 19 32 30 Dewpt 26 23 21 23 31 27 21 17 17 16 16 15 17 16 15 14 21 21 PWind Dir SW SW SW W W W W W W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW FW SC B1 SC SC B1 SC SC SC B1 SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 0 5 5 $$ TNZ036-100900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 757 PM EST Thu Jan 9 2025 Date 01/09/25 Fri 01/10/25 Sat 01/11/25 Sun 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 22 33 27 34 15 Temp 24 22 23 25 28 29 31 31 30 29 29 29 31 34 34 26 21 20 19 17 Dewpt 15 13 14 15 20 24 27 29 29 29 29 27 27 25 25 21 19 18 16 15 RH 68 68 68 65 71 81 85 92 96100100 92 85 69 69 81 92 92 88 92 Wind Dir NE NE NE NE E W E N SW SW W W W W W NW N N N NE Wind Spd 1 2 2 2 1 1 2 1 1 2 3 5 5 5 3 2 1 1 1 1 Clouds SC B1 OV OV OV OV OV OV OV OV OV B2 B2 B2 SC SC SC FW SC SC PoP 12hr 10 100 100 5 0 QPF 12hr 0 0.47 0.20 0 0 Snow S C D D D D Snowshwrs S S Obvis F F PF Wind chill 23 25 Min chill 28 22 22 25 31 29 23 23 26 20 17 Winter Storm W W W W W W W Date 01/12 Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 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 36 22 39 17 32 14 32 16 35 Temp 32 28 24 25 36 30 23 20 29 23 19 18 29 24 19 19 32 29 Dewpt 26 24 22 23 31 26 19 16 17 16 15 14 17 17 15 14 21 22 PWind Dir S SW SW W W W W W SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW FW SC B1 SC SC B1 SC FW SC B1 SC FW SC SC B1 SC PoP 12hr 0 0 0 0 0 5 0 5 5 $$ TNZ099-100900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 757 PM EST Thu Jan 9 2025 Date 01/09/25 Fri 01/10/25 Sat 01/11/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 25 34 30 37 17 Temp 27 26 27 29 30 31 33 33 33 32 32 30 32 35 36 28 24 22 20 19 Dewpt 18 18 18 19 23 30 32 32 32 32 31 29 28 27 27 24 22 19 19 18 RH 68 71 68 66 75 96 96 96 96100 96 96 85 72 69 85 92 88 96 96 Wind Dir N N N N SE SE SE SW S SW W NW NW NW NW NW N N N N Wind Spd 1 2 1 0 2 3 3 2 1 1 2 4 5 5 4 2 0 0 0 0 Clouds SC B1 OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC SC SC SC SC SC PoP 12hr 20 100 70 0 0 QPF 12hr 0 0.65 0.09 0 0 Rain D L Sleet S S L Snow C D D D S L Snowshwrs S S Obvis PF PF PF PF PF Wind chill 26 Min chill 31 26 26 28 29 32 25 25 28 22 19 Winter Storm W W W W W W W W Date 01/12 Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 39 24 41 20 35 18 36 20 40 Temp 35 31 26 26 39 32 25 22 32 27 23 22 32 27 23 21 35 32 Dewpt 27 26 23 25 32 28 22 18 20 19 19 18 20 20 18 17 23 25 PWind Dir S SW W NW NW NW NW NW W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW SC SC B1 SC SC SC FW FW SC SC SC FW SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 0 0 $$ NCZ060-100900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 757 PM EST Thu Jan 9 2025 Date 01/09/25 Fri 01/10/25 Sat 01/11/25 Sun 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 19 36 27 34 13 Temp 23 21 22 25 29 32 33 33 32 31 30 29 29 32 32 26 21 18 16 15 Dewpt 12 11 10 11 19 27 29 29 29 30 30 28 27 24 23 21 18 15 14 14 RH 62 65 59 55 66 81 85 85 88 96100 96 92 72 69 81 88 88 92 96 Max/Min RH 68 57 100 69 96 Wind Dir N N N N SE SE SE SE SE N W NW NW NW NW NW N N N N Wind Dir Deg 0 0 0 0 15 12 12 12 14 0 28 29 30 30 30 31 33 0 0 0 Wind Spd 0 0 0 0 2 4 5 3 2 0 2 6 9 9 5 2 1 0 0 0 Wind Gust 19 20 Clouds FW SC OV OV OV OV OV OV OV OV OV OV OV B1 SC SC SC SC SC SC Clouds (%) 18 48 93 97 98 95 98 96 95 91 90 90 88 64 33 33 28 27 33 35 Vsby 10 10 10 10 6 2 2 2 2 4 7 10 10 10 PoP 12hr 10 100 100 0 0 QPF 12hr 0 0.54 0.15 0 0 Frzg rain D Rain S Sleet D Snow S D D D D S Snowshwrs S S Obvis PF PF Wind chill 22 20 24 26 Min chill 29 21 20 25 28 31 22 20 25 18 14 Winter Storm W W W W W W W W Haines 4 4 LAL 1 1 1 1 1 1 1 1 1 MM MM Max Mix Hgt AGL Mix Hgt 1600 3100 Max Vent Rt 22400 58000 T Wind Dir SE NW T Wind Spd 12 18 ADI 22 48 Max LVORI 4 5 Stability G D C C D D C B MM MM Ceiling NONE NONE NONE NONE NONE 6300 4000 3200 MM MM Sta Pres 27.95 27.89 27.84 27.65 27.60 27.63 27.68 27.77 MM MM Date 01/12 Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 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 42 20 42 17 33 14 33 14 38 Temp 38 29 23 23 39 31 24 20 29 24 20 19 30 24 19 17 33 27 Dewpt 24 22 20 21 30 26 21 16 15 14 15 14 15 15 15 12 19 19 PWind Dir SW S NW NW NW NW NW NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW CL FW SC SC SC SC SC SC FW SC SC SC FW SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 5 0 This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$