Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
997 FOUS54 KMRX 241903 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 302 PM EDT Sat May 24 2025 TNZ017-250800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 302 PM EDT Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 52 72 56 72 57 Temp 70 67 58 55 53 55 64 69 69 66 61 59 57 56 63 70 72 69 63 60 58 58 Dewpt 45 48 48 47 47 49 54 59 60 60 58 56 55 54 57 58 58 57 54 53 52 55 RH 41 50 69 74 80 80 70 70 73 81 90 90 93 93 81 66 61 66 72 78 80 90 Wind Dir W NW NE NE NE NE E N NW NE NE NE NE NE NE NE E E SE SE SE SE Wind Spd 5 2 2 2 2 2 2 3 4 3 3 3 3 4 4 5 6 5 5 4 4 4 Clouds B2 B2 B1 SC B1 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B1 B1 B2 B2 OV OV PoP 12hr 20 70 70 40 60 QPF 12hr 0 0.07 0.12 0 0.06 Rain shwrs S S C L L L C C C C C C C C L L D Tstms C C C Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 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 67 58 79 62 77 59 74 56 74 Temp 64 65 60 60 74 73 64 63 75 74 62 60 72 69 58 58 72 69 Dewpt 57 55 55 59 65 64 62 62 64 62 59 60 61 58 57 57 57 55 PWind Dir SE SE SW SW W W NW W W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds OV B2 B2 OV B2 B1 B1 B2 B1 SC B1 B2 B2 B1 SC B1 B1 SC PoP 12hr 90 90 70 50 40 20 50 40 40 Rain shwrs D D D D L L C C S C S S C C C C S C Tstms S S S S C S S S S S S $$ TNZ071-250800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 302 PM EDT Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 74 60 75 62 Temp 73 71 64 62 59 60 66 72 72 71 66 65 62 60 66 71 75 72 67 65 63 63 Dewpt 50 54 53 54 53 55 59 64 65 64 64 62 60 58 61 62 63 63 63 62 61 61 RH 44 55 67 75 80 84 78 76 79 79 93 90 93 93 84 73 66 73 87 90 93 93 Wind Dir W NE E NE N NE N W W NW NE NE NE NE NE NE NE NE E SE SE SE Wind Spd 3 2 2 2 2 2 2 4 5 5 3 3 3 4 5 5 5 4 3 2 2 3 Clouds OV B2 B1 B2 B2 B1 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 OV OV OV PoP 12hr 40 70 70 60 80 QPF 12hr 0.02 0.07 0.13 0.04 0.32 Rain shwrs C S C C C L L L C C C C L L L L D D D Tstms C C L S C C S S S S Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 63 80 64 79 62 77 59 77 Temp 71 72 65 65 77 76 67 66 75 76 66 63 74 72 62 61 75 73 Dewpt 65 64 62 63 68 67 65 64 66 65 63 62 64 61 59 59 60 58 PWind Dir S S SW SW W N NW W NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds OV B2 B2 OV B2 B1 B1 B2 B1 B1 B1 B2 B2 B1 SC SC SC SC PoP 12hr 90 80 70 40 30 30 50 40 40 Rain shwrs D D D L C L C S C C S C C C C C S C Tstms S S S C S C S S C S S S $$ TNZ036-250800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 302 PM EDT Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 73 59 74 62 Temp 72 70 63 61 59 59 66 71 72 69 65 62 60 59 65 71 74 71 65 64 63 63 Dewpt 49 53 52 52 52 53 58 63 65 63 62 60 58 57 59 62 62 62 62 62 61 62 RH 44 55 67 72 78 80 75 76 79 81 90 93 93 93 81 73 66 73 90 93 93 97 Wind Dir SW E NE NE NE NE NE SW SW N NE NE NE NE NE NE E NE E SE S SE Wind Spd 2 1 2 2 2 2 2 2 3 3 2 2 3 4 4 3 4 3 2 2 2 2 Clouds OV B2 B1 B1 B2 B1 B2 OV B2 OV OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV PoP 12hr 50 70 70 50 80 QPF 12hr 0.02 0.05 0.08 0.02 0.43 Rain shwrs S S S C C L L L L C C C C C C L L D D D Tstms C C L S S S S S S S Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 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 74 63 79 63 79 61 77 58 77 Temp 71 71 64 65 76 75 66 65 76 75 64 62 75 71 61 61 75 72 Dewpt 65 65 62 63 68 67 64 64 66 64 61 61 63 60 58 58 59 57 PWind Dir S SW SW W W NW NW NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds OV B2 OV OV B2 B1 B2 B2 B1 B1 B1 B2 B1 SC SC SC SC SC PoP 12hr 90 80 60 40 30 30 50 40 30 Rain shwrs D D D L C L C S S C S C C C C S S C Tstms S S C C S C S S S S S S $$ TNZ099-250800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 302 PM EDT Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 79 64 79 64 Temp 76 73 67 65 62 63 71 77 77 74 69 67 65 64 69 75 79 76 68 66 65 65 Dewpt 58 60 61 61 61 62 66 67 69 68 68 67 65 64 65 66 66 66 67 65 64 63 RH 54 64 81 87 97 97 84 71 76 82 97100100100 87 74 64 71 97 97 97 93 Wind Dir N NE N NE NE E S S SW SW S N NE NE NE NE E E SE SE SE S Wind Spd 4 2 2 1 1 1 3 5 5 3 2 1 2 2 2 3 4 3 2 3 4 5 Clouds OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 B2 OV B2 OV B2 PoP 12hr 60 70 70 70 80 QPF 12hr 0.12 0.14 0.12 0.11 0.80 Rain shwrs C S C L C S C C L L L L L C C L L L L D D D Tstms S S C C S S C L L C C C C S C Obvis PF PF PF Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 65 82 65 81 63 79 60 80 Temp 72 72 65 65 78 78 67 66 79 77 66 64 78 73 63 62 78 75 Dewpt 66 65 63 65 69 69 66 66 67 66 65 64 64 63 61 60 61 60 PWind Dir S S SW SW W NW NW NW NW Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 90 80 60 40 30 30 50 30 30 Rain shwrs D D D L C L C C C C S C C C C S S C Tstms S C S S S C C S C S S S S $$ NCZ060-250800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 302 PM EDT Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 58 76 61 79 58 Temp 72 68 62 61 59 58 68 73 74 71 66 63 61 63 69 75 77 72 64 62 60 58 Dewpt 53 57 57 58 57 58 63 64 64 63 63 63 61 62 65 64 63 62 60 58 57 57 RH 51 68 84 90 93100 84 73 71 76 90100100 97 87 69 62 71 87 87 90 96 Max/Min RH 100 69 100 62 96 Wind Dir NW NW E SE E SE SE SW W W SW W NW NW W W SW SE SE SE SE SE Wind Dir Deg 29 30 7 12 11 13 15 23 26 24 21 25 30 29 28 25 21 13 12 13 13 13 Wind Spd 3 1 1 1 1 2 2 4 4 2 1 1 1 1 2 3 3 3 4 4 5 5 Clouds B2 B2 B2 B2 B2 OV B2 B2 OV B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 OV Clouds (%) 85 74 77 82 84 90 76 77 90 58 78 81 86 81 78 75 69 83 80 77 82 89 Vsby 10 10 10 10 10 10 10 6 6 6 5 PoP 12hr 60 70 60 80 80 QPF 12hr 0.13 0.16 0.14 0.15 0.33 Rain shwrs S S L C S S L L L L C C C C D D L L D D D Tstms S C S S L C L S S C C C S S C Obvis PF PF PF ChanceThunder 30 60 60 50 30 Max Mix Hgt AGL Mix Hgt 3100 3400 Max Vent Rt 35300 22700 T Wind Dir SW S T Wind Spd 9 6 ADI 31 20 Max LVORI 9 8 Stability B D D B B D D B B F D Ceiling NONE 18200 11700 NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.99 28.02 28.04 28.01 27.98 27.98 28.00 27.97 27.96 27.98 28.01 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 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 59 80 61 79 59 77 55 76 Temp 67 66 61 61 76 74 64 62 75 73 63 60 74 71 59 56 73 70 Dewpt 58 57 59 60 65 64 62 62 62 62 60 60 61 58 57 56 56 55 PWind Dir SE SE SW S W NW NW NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B2 B1 B1 SC SC SC SC PoP 12hr 80 80 70 40 40 30 50 40 40 Rain shwrs D L D L L L C S C C S C C C C C C C Tstms S S S S S C S S C S 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 $$