Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
687 FOUS54 KMRX 221644 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1244 PM EDT Tue Apr 22 2025 TNZ017-230800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1244 PM EDT Tue Apr 22 2025 Date 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 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 54 77 56 76 57 Temp 72 68 62 58 55 55 69 73 75 71 63 59 57 58 69 74 75 70 64 60 58 59 Dewpt 56 55 55 54 53 54 58 57 56 57 56 55 55 56 59 59 58 58 57 56 56 57 RH 57 63 78 86 93 96 68 57 52 61 78 87 93 93 70 59 55 66 78 87 93 93 Wind Dir W SW N NE E E SE SW SE SE E E E E SE S SE SE SE SE SE SE Wind Spd 2 1 1 1 1 1 2 2 3 3 2 2 2 2 3 5 5 4 2 2 2 2 Clouds B2 B2 B1 B1 B1 B1 SC B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 PoP 12hr 10 60 20 60 30 QPF 12hr 0 0.18 0 0.08 0.01 Rain shwrs C C C L L S S S S C C L L C C S S L Tstms S S C S S C C C S Obvis PF PF Date 04/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 04/29/25 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 59 73 56 77 53 79 57 83 Temp 75 71 62 60 70 68 60 57 73 71 57 56 75 73 61 60 80 76 Dewpt 61 59 58 59 61 58 56 56 56 54 52 52 55 56 55 56 60 59 PWind Dir S SW W NW N E S SE SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B2 B1 B1 B1 B1 FW SC SC SC SC SC SC SC SC PoP 12hr 90 70 80 20 30 10 20 10 20 Rain shwrs L D L L D L S S S C S S Tstms S S S S C S S $$ TNZ071-230800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1244 PM EDT Tue Apr 22 2025 Date 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 79 60 78 60 Temp 73 69 65 62 61 59 69 75 78 73 67 63 61 61 71 76 76 72 67 64 61 61 Dewpt 61 60 59 59 58 58 61 61 59 61 60 59 58 58 62 63 62 62 61 59 58 59 RH 66 73 81 90 90 96 76 62 52 66 78 87 90 90 73 64 62 71 81 84 90 93 Wind Dir SW SW W NE NE N E NW S S SE SE E E SE SW SW SE SE S S S Wind Spd 2 2 1 1 1 1 2 2 2 2 2 2 1 1 1 2 3 2 2 2 2 2 Clouds B2 B2 B2 B2 B2 B2 SC B1 B1 SC B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B2 B2 PoP 12hr 30 60 20 80 40 QPF 12hr 0.01 0.02 0 0.14 0.01 Rain shwrs C S S C C L L S S C C D D C C C C L Tstms C S S C S S S C C C S S Obvis PF PF Date 04/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 04/29/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 62 77 59 80 58 82 61 87 Temp 75 73 66 63 74 72 64 61 77 74 63 60 78 77 66 63 83 80 Dewpt 63 61 60 60 63 61 59 58 60 59 57 56 60 60 58 58 62 60 PWind Dir SW SW SW N NE SE SW S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 90 70 70 20 30 10 20 5 10 Rain shwrs L D C L L L S S C S Tstms S S C C S C S S S $$ TNZ036-230800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1244 PM EDT Tue Apr 22 2025 Date 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 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 57 79 59 78 60 Temp 74 69 64 62 59 59 69 76 79 74 65 63 60 61 70 77 76 72 66 64 61 61 Dewpt 60 60 59 58 57 57 61 61 59 59 59 59 58 59 62 63 62 62 61 59 59 59 RH 62 73 84 87 93 93 76 60 50 59 81 87 93 93 76 62 62 71 84 84 93 93 Wind Dir S S SE NE NE NE E SE SE SE NE E E NE S S S S S S SW SW Wind Spd 2 2 1 1 1 2 2 2 2 2 1 1 1 1 1 2 3 2 2 2 2 2 Clouds B2 OV B2 B2 B2 B2 SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 20 60 10 70 30 QPF 12hr 0 0.08 0 0.16 0.01 Rain shwrs C S C C L L C C L L C C C C L Tstms C S S C S S C C C S S S S Obvis PF PF Date 04/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 04/29/25 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 62 78 58 82 58 82 61 86 Temp 75 71 64 62 75 72 62 59 78 74 62 60 78 77 65 63 83 79 Dewpt 64 61 60 60 63 60 57 57 59 59 56 56 61 60 58 58 62 61 PWind Dir SW SW SW N NE NE S SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 90 70 70 20 30 5 20 5 10 Rain shwrs L D L L L L S S C S Tstms S S C C S C S S S $$ TNZ099-230800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1244 PM EDT Tue Apr 22 2025 Date 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 80 61 79 62 Temp 73 70 65 63 62 62 69 76 79 73 67 63 62 62 70 76 78 73 68 65 63 63 Dewpt 63 63 62 62 61 60 63 63 61 63 62 62 61 61 64 64 63 63 62 62 62 62 RH 71 78 90 97 97 93 81 64 54 71 84 97 97 97 81 66 60 71 81 90 97 97 Wind Dir S S S N N N S S S S SE SE N SE S S S SE SE SE S S Wind Spd 3 2 1 0 0 0 1 2 2 2 1 1 0 1 2 5 5 2 2 2 2 2 Clouds B2 OV B2 B2 OV B2 B2 B1 B1 SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 30 50 20 60 40 QPF 12hr 0.05 0.13 0 0.12 0.03 Rain shwrs C C S S C C C C C S S S S C C L L C C C C C Tstms C C S S S S C S S S S C C C S S S S Obvis PF PF Date 04/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 04/29/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 63 82 61 83 61 84 63 88 Temp 77 74 66 64 77 76 64 62 80 77 65 62 81 78 66 64 84 81 Dewpt 65 63 62 62 64 62 61 59 61 61 59 58 61 60 59 59 62 62 PWind Dir S S W N N SE S S S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 80 60 50 10 20 5 10 0 5 Rain shwrs C D C L C C S Tstms S S C C C S $$ NCZ060-230800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1244 PM EDT Tue Apr 22 2025 Date 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 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 56 77 56 78 58 Temp 71 68 62 59 57 58 67 73 74 69 63 60 58 58 68 75 74 70 64 61 59 59 Dewpt 58 57 57 56 56 56 60 57 57 57 56 57 56 56 60 58 58 57 57 57 57 57 RH 63 68 84 90 96 93 78 57 55 66 78 90 93 93 76 55 57 63 78 87 93 93 Max/Min RH 100 55 96 55 96 Wind Dir SW S N N N N SE SW SE SE SE SE SE SE SE S S SE SE SE SE SE Wind Dir Deg 21 19 0 0 0 0 13 21 14 12 12 12 12 12 14 16 16 15 13 13 13 13 Wind Spd 2 1 0 0 0 0 1 2 2 1 1 1 2 2 2 4 4 2 2 2 2 2 Clouds OV OV OV B2 B2 B2 B1 B1 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 Clouds (%) 92 89 89 76 78 70 65 68 70 57 50 60 62 62 60 59 60 62 62 64 76 84 Vsby 10 10 10 5 2 2 10 6 6 10 10 PoP 12hr 40 70 30 80 40 QPF 12hr 0.01 0.44 0.01 0.17 0.03 Rain shwrs C C S S C C C D D C C C C D D C C C C C Tstms C C S S S C C C S S C C C S S Obvis PF PF PF ChanceThunder 30 50 20 50 40 Max Mix Hgt AGL Mix Hgt 3900 4100 Max Vent Rt 26800 51500 T Wind Dir S SE T Wind Spd 5 10 ADI 23 45 Max LVORI 7 6 Stability B D D B B F F B B MM MM Ceiling NONE NONE NONE NONE NONE NONE NONE NONE 23500 MM MM Sta Pres 27.96 27.98 28.01 27.99 27.98 28.02 28.04 28.05 28.02 MM MM Date 04/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 04/29/25 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 58 78 56 80 54 81 56 85 Temp 74 71 62 60 75 71 60 57 77 71 59 56 77 73 60 59 81 76 Dewpt 59 57 57 58 58 57 56 56 56 54 52 52 54 54 53 54 56 56 PWind Dir S S W NW NW SE SE SE S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B1 SC SC B1 B1 SC SC SC SC SC SC FW SC SC PoP 12hr 80 60 70 10 30 10 20 5 10 Rain shwrs C D L L L L S C S Tstms S S C C S C 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 $$