Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
796 FOUS54 KMRX 222322 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 722 PM EDT Thu May 22 2025 TNZ017-230800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 722 PM EDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun 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 45 67 43 70 52 Temp 66 56 52 47 48 58 64 65 62 52 46 44 48 62 68 69 66 57 54 52 54 Dewpt 44 43 44 43 44 41 39 39 40 40 41 40 42 45 46 47 48 49 48 47 49 RH 45 62 74 86 86 53 40 38 44 63 83 86 80 54 45 45 52 75 80 83 83 Wind Dir W W W W W W W W W NW SE SE E W W W W NE E NE E Wind Spd 14 10 5 5 5 10 11 11 6 2 1 1 1 2 4 5 3 2 2 2 2 Wind Gust 25 Clouds FW FW FW SC SC SC FW FW FW FW FW SC SC B1 B1 B1 B1 SC SC B1 B2 PoP 12hr 10 0 5 10 30 QPF 12hr 0 0 0 0 0.01 Rain shwrs C C C Sprinkles C C Date 05/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 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 70 57 73 59 74 59 75 57 74 Temp 67 66 59 58 70 68 61 60 71 69 62 61 71 69 59 58 71 68 Dewpt 56 57 56 57 62 60 58 59 63 61 59 59 60 57 56 56 57 56 PWind Dir N NE NE SE S S W W W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 SC B1 B1 B1 SC PoP 12hr 70 70 70 80 70 60 40 30 30 Rain shwrs C L L L C L L D L L L C C C C S S C Tstms S C S C S S S S S S $$ TNZ071-230800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 722 PM EDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 72 51 71 57 Temp 70 60 57 53 53 63 67 71 67 58 53 51 53 64 69 70 67 61 59 57 59 Dewpt 48 47 47 47 48 46 45 44 47 46 45 45 47 48 50 51 53 55 54 54 55 RH 45 62 69 80 83 54 45 38 49 64 74 80 80 56 51 51 61 81 83 90 87 Wind Dir W W SW W W NW W W NW NE E NE NE NE W SW NW E NE NE NE Wind Spd 10 5 2 2 2 4 5 5 4 2 1 1 2 2 2 2 2 2 2 2 2 Clouds FW FW SC FW FW FW SC FW SC FW FW B1 B1 B2 B2 B2 B2 SC B1 B2 B2 PoP 12hr 0 0 10 30 50 QPF 12hr 0 0 0 0.02 0.09 Rain shwrs S S C C C C C C L Tstms S S S S Date 05/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 61 76 63 75 63 77 59 75 Temp 69 69 64 62 72 73 67 65 73 72 67 64 73 72 63 61 73 70 Dewpt 62 62 61 61 66 66 64 63 67 65 64 62 63 60 59 58 59 59 PWind Dir N NE NE S SW SW W N NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 SC B1 B1 SC SC PoP 12hr 70 70 80 80 70 50 40 20 30 Rain shwrs L L L L L D D D L L C C C C S S C Tstms S S C C S C C S S S S S S $$ TNZ036-230800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 722 PM EDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun 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 50 73 51 71 56 Temp 69 59 55 51 52 64 70 72 67 56 53 51 53 64 69 71 67 60 58 58 57 Dewpt 46 46 46 46 47 45 45 42 45 45 45 45 46 48 49 51 53 54 53 52 54 RH 44 62 72 83 83 50 41 34 45 66 74 80 77 56 49 49 61 81 83 80 90 Wind Dir W W W W W NW W W NW N NE N NE E S SW S NE NE NE NE Wind Spd 9 3 2 2 2 3 4 4 3 2 2 2 2 2 1 2 2 2 2 2 2 Clouds FW FW FW FW CL FW SC FW FW FW SC B1 B1 B2 B2 B2 B2 SC B1 B2 B2 PoP 12hr 0 0 10 30 50 QPF 12hr 0 0 0 0.01 0.06 Rain shwrs S S C C C C C C L Tstms S S S S Date 05/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 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 71 60 75 63 75 62 77 59 76 Temp 68 68 62 61 72 71 65 65 73 71 65 63 74 71 61 61 74 70 Dewpt 60 62 60 59 66 65 63 63 68 65 63 61 61 59 57 57 59 58 PWind Dir E NE E S SW SW W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 OV B2 B2 OV OV B2 B2 B2 B2 B1 SC B1 B1 SC SC PoP 12hr 70 70 80 80 70 50 40 20 30 Rain shwrs L L L L L D D L L L C C C C S S C Tstms S S C L S C C S S S S S S $$ TNZ099-230800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 722 PM EDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 77 55 72 58 Temp 74 65 60 57 57 67 75 77 72 61 57 55 57 65 69 71 69 63 60 60 59 Dewpt 51 51 51 49 50 47 47 47 50 51 49 50 50 53 55 57 58 59 58 58 59 RH 44 60 72 75 77 49 37 35 46 70 75 83 77 65 61 61 68 87 93 93100 Wind Dir W NW N N N NW W NW NW N N NE NE NE E NE NE NE NE NE NE Wind Spd 5 2 2 2 1 2 5 5 3 2 2 2 2 2 2 3 2 2 1 1 2 Clouds FW B1 SC SC FW FW FW FW FW FW FW B1 B2 B2 B2 B2 B2 B1 SC B2 B2 PoP 12hr 5 0 20 50 50 QPF 12hr 0 0 0.01 0.13 0.09 Rain shwrs S S C C C C C C C C L Sprinkles C C Tstms S C S S S S Date 05/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 63 79 66 78 63 81 61 77 Temp 74 73 66 65 76 75 67 67 75 75 66 65 77 74 63 62 75 73 Dewpt 66 66 65 64 69 68 66 66 68 67 65 64 63 62 61 59 60 60 PWind Dir S E SE S SW SW NW N NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC B1 SC SC PoP 12hr 70 60 80 80 70 50 30 20 20 Rain shwrs L L C L L D D D L L C C C C S S S S Tstms S C C C C C C S S S S S S $$ NCZ060-230800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 722 PM EDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun 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 49 73 47 71 54 Temp 68 59 55 51 51 62 69 71 65 55 50 48 50 62 68 70 67 60 57 55 57 Dewpt 47 46 45 44 44 44 44 43 46 45 44 44 46 50 50 53 54 55 55 55 56 RH 47 62 69 77 77 52 40 36 50 69 80 86 86 65 52 55 63 84 93100 96 Max/Min RH 80 36 89 52 100 Wind Dir W W W W W NW NW NW NW N N N N SE W W N E E E SE Wind Dir Deg 28 28 28 27 28 30 30 30 31 0 0 0 0 15 25 27 2 10 10 11 13 Wind Spd 6 3 2 2 2 5 6 6 3 1 0 0 0 1 2 3 2 1 1 1 1 Wind Gust 18 Clouds FW SC SC FW FW FW FW CL FW FW FW B1 B1 B2 B2 B2 B2 B1 SC B2 B2 Clouds (%) 12 28 29 14 8 12 6 3 8 12 16 51 68 76 83 75 73 54 49 75 83 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 5 0 10 40 50 QPF 12hr 0 0 0 0.03 0.04 Rain shwrs C C C C C C C C C Tstms S S S S ChanceThunder 0 0 5 20 20 Max Mix Hgt AGL Mix Hgt 5400 3200 Max Vent Rt 93800 31700 T Wind Dir NW SW T Wind Spd 14 6 ADI 82 28 Max LVORI 4 6 Stability B G G B A G F B B G D Ceiling NONE NONE 8900 NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.86 27.90 27.93 27.95 27.95 27.97 28.00 27.98 28.00 28.00 28.03 Date 05/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 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 60 78 61 76 59 77 57 75 Temp 72 70 62 62 74 72 64 62 73 71 63 61 73 70 60 58 72 68 Dewpt 62 62 61 61 66 63 61 61 64 62 61 61 60 59 57 56 56 56 PWind Dir S SE S SE S S W N NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 70 60 80 90 80 60 50 20 30 Rain shwrs C L L L L D D D D D L C C C S S S C Tstms S C C C C C C S S C 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 $$