Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
337 FOUS54 KMRX 191644 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1143 AM EST Sun Jan 19 2025 TNZ017-200900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1143 AM EST Sun Jan 19 2025 Date 01/19/25 Mon 01/20/25 Tue 01/21/25 Wed 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 9 21 11 25 7 Temp 31 27 23 19 14 10 13 18 21 17 15 13 13 13 17 22 24 22 19 15 11 9 Dewpt 25 20 16 11 6 2 0 0 -1 0 0 1 1 1 1 2 5 8 8 5 4 2 RH 78 74 74 70 70 69 55 44 37 46 50 58 58 58 49 41 43 54 61 64 73 72 Wind Dir NW W NW W W W W W W W W NW W NW W W W W NW NW N NE Wind Spd 12 10 10 12 11 10 8 8 6 2 1 1 1 1 2 5 6 5 3 2 2 2 Clouds OV B2 B2 B2 B1 B1 SC FW CL FW SC B1 B2 B2 B2 B2 B2 B2 SC FW FW FW PoP 12hr 10 0 0 20 5 QPF 12hr 0 0 0 0 0 Flurries C Snow C Snowshwrs S S Wind chill 21 17 13 6 0 -4 2 8 12 16 17 16 13 9 Min chill 15 5 -5 -4 9 12 12 12 14 8 4 Cold Weather Y Y Y Y Winter Weath Y Y Date 01/22 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 Sun 01/26/25 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 26 13 35 18 35 19 42 25 45 Temp 21 21 16 14 32 27 22 20 33 29 23 21 38 32 28 27 41 37 Dewpt -1 4 3 4 9 12 12 12 16 18 16 15 19 20 20 21 29 30 PWind Dir NE SE SW SW W SW SW S SW Wind Char LT LT LT LT GN LT LT LT LT Avg Clouds FW FW FW SC SC SC SC B1 B1 B1 SC FW FW SC B1 B1 B2 B1 PoP 12hr 0 0 0 5 5 0 0 5 30 Frzg rain S Rain shwrs S C $$ TNZ071-200900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1143 AM EST Sun Jan 19 2025 Date 01/19/25 Mon 01/20/25 Tue 01/21/25 Wed EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 11 24 14 28 9 Temp 31 26 22 17 14 11 15 21 24 22 18 17 17 16 22 27 28 25 21 17 13 11 Dewpt 22 19 14 8 3 0 0 0 -1 1 2 2 1 2 2 3 5 8 7 5 3 2 RH 69 74 71 67 61 60 50 39 33 39 49 51 49 53 41 35 37 48 54 58 63 66 Wind Dir NW W W NW NW NW N N N NE NE NE NE NE N NW W NW N N NE NE Wind Spd 11 11 10 10 6 4 4 3 3 2 2 2 2 2 2 3 5 4 3 3 3 2 Clouds OV B2 B2 B1 SC SC FW FW FW FW SC B1 B2 B2 B2 B2 B2 B1 SC FW FW FW PoP 12hr 5 0 0 10 5 QPF 12hr 0 0 0 0 0 Snow S Wind chill 22 15 11 5 4 3 8 19 10 7 5 Min chill 15 5 3 3 18 17 16 18 19 10 5 Cold Weather Y Y Y Y Date 01/22 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 Sun 01/26/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 31 16 40 21 39 22 47 28 49 Temp 26 25 19 17 35 30 24 22 37 31 25 23 42 36 31 31 45 41 Dewpt 0 4 7 8 11 14 15 14 17 18 18 17 19 22 23 24 32 33 PWind Dir NE S SW SW W SW SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW SC SC SC SC SC B1 SC FW FW SC SC B1 B2 B2 B1 PoP 12hr 0 0 0 5 0 0 0 10 30 Rain shwrs S C $$ TNZ036-200900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1143 AM EST Sun Jan 19 2025 Date 01/19/25 Mon 01/20/25 Tue 01/21/25 Wed 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 10 25 14 28 9 Temp 31 25 20 15 13 11 15 22 25 21 18 17 17 16 22 27 28 24 20 16 13 11 Dewpt 20 17 11 5 0 -3 -2 -3 -4 -1 0 -1 -1 0 1 2 4 7 5 3 1 1 RH 63 71 67 64 55 52 46 32 27 37 44 44 44 48 39 33 35 47 51 56 58 63 Wind Dir NW NW NW NW NW NW N N N N N N N NE N W W NW N N N NE Wind Spd 10 8 8 8 5 4 3 2 2 2 2 2 2 2 2 2 5 4 3 3 2 2 Clouds OV B2 B1 SC FW FW CL FW CL FW SC B2 B2 B2 B2 B2 B2 B1 FW FW FW FW PoP 12hr 0 0 0 10 0 QPF 12hr 0 0 0 0 0 Snow S Wind chill 22 16 10 4 4 3 9 18 10 7 Min chill 16 4 2 2 21 17 16 18 18 10 6 Cold Weather Y Y Y Y Date 01/22 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 Sun 01/26/25 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 30 16 38 21 39 21 44 27 46 Temp 26 24 20 18 35 30 24 22 37 30 25 23 41 35 31 31 43 40 Dewpt -3 1 3 6 11 13 14 14 17 18 17 17 20 22 23 25 32 33 PWind Dir E SW SW SW W SW SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW SC SC SC SC SC B1 SC FW FW FW SC B1 B2 B2 B1 PoP 12hr 0 0 0 5 0 0 0 10 30 Rain shwrs C C $$ TNZ099-200900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1143 AM EST Sun Jan 19 2025 Date 01/19/25 Mon 01/20/25 Tue 01/21/25 Wed EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 12 28 18 31 13 Temp 33 27 23 18 15 13 18 25 28 24 20 20 20 19 24 30 31 27 23 20 17 15 Dewpt 21 17 12 7 2 0 0 -1 0 3 3 3 2 1 2 5 8 10 9 5 4 2 RH 61 65 62 61 55 55 44 31 29 39 47 47 45 44 38 34 37 48 54 51 56 55 Wind Dir NW NW NW NW N N N N N N N N N N N N NW N N N N N Wind Spd 13 11 10 10 9 8 6 5 5 3 2 2 3 3 3 4 5 5 5 4 4 3 Clouds OV B1 SC FW FW FW CL FW FW FW SC B1 B1 B1 B2 B2 B2 B1 FW FW FW FW PoP 12hr 0 0 0 10 0 QPF 12hr 0 0 0 0 0 Wind chill 23 17 12 6 3 2 9 18 22 25 16 12 9 6 Min chill 17 6 2 0 20 17 14 15 22 12 6 Cold Weather Y Y Y Y Date 01/22 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 Sun 01/26/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 34 20 42 24 42 24 49 30 51 Temp 29 28 23 21 38 32 26 24 39 33 26 24 44 38 33 33 47 43 Dewpt -2 2 5 10 11 15 15 16 18 20 20 19 22 26 26 27 34 36 PWind Dir E S SW W W SW S S S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW SC B1 SC SC SC SC FW FW FW SC SC SC B2 B2 B1 PoP 12hr 0 0 0 0 0 0 0 10 20 Rain shwrs S S $$ NCZ060-200900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1143 AM EST Sun Jan 19 2025 Date 01/19/25 Mon 01/20/25 Tue 01/21/25 Wed 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 8 25 10 30 7 Temp 28 24 19 15 11 9 13 22 25 20 16 15 14 13 20 28 28 24 20 16 13 10 Dewpt 21 17 12 7 2 -1 -2 -3 -5 -2 -2 -2 0 0 1 2 5 7 6 5 3 0 RH 75 74 74 70 66 63 50 32 26 37 44 46 53 55 43 32 37 47 54 61 63 63 Max/Min RH 78 26 55 32 66 Wind Dir NW NW NW NW NW NW NW NW NW N N N N N NW NW NW NW N N N N Wind Dir Deg 30 29 30 31 32 32 32 32 32 33 0 0 0 0 32 30 30 32 33 34 34 0 Wind Spd 14 13 13 12 10 6 5 6 5 2 1 0 0 0 1 4 5 3 3 2 2 1 Wind Gust 19 16 Clouds OV B2 B2 B1 SC FW FW FW CL CL FW SC SC B1 B2 B2 B2 B2 SC FW FW FW Clouds (%) 94 81 84 59 36 14 9 6 3 5 20 30 41 65 74 71 76 72 31 12 13 11 Vsby 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 10 0 0 20 5 QPF 12hr 0 0 0 0 0 Snow S Snowshwrs S S Wind chill 16 12 6 1 -3 -2 4 14 18 22 10 Min chill 12 1 -5 -3 16 15 13 15 20 10 9 Extreme Cold 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 3000 3700 Max Vent Rt 47900 37400 T Wind Dir N NW T Wind Spd 16 8 ADI 42 33 Max LVORI 2 3 Stability C D F C B G F B B MM MM Ceiling 0 0 0 0 0 0 0 0 0 MM MM Sta Pres 27.91 28.06 28.15 28.20 28.23 28.25 28.26 28.21 28.22 MM MM Date 01/22 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 Sun 01/26/25 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 34 14 40 18 39 19 47 25 51 Temp 30 25 19 16 37 29 23 21 36 29 23 21 43 34 29 29 47 40 Dewpt -4 2 6 6 6 10 12 12 15 16 16 14 15 18 21 21 30 31 PWind Dir SE SE SW W W NW S SE SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW SC B1 SC SC SC B1 SC FW FW FW SC SC B1 B1 B1 PoP 12hr 0 0 0 5 0 0 0 5 20 Frzg rain S Rain shwrs 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 $$