Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
554 FOUS54 KMRX 251553 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1153 AM EDT Wed Sep 25 2024 TNZ017-252000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1153 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 63 72 66 78 Temp 74 72 67 65 65 65 64 67 69 70 68 68 68 68 68 72 76 76 70 Dewpt 68 68 67 65 65 65 64 67 68 68 67 66 66 66 67 70 69 66 64 RH 82 87100100100100100100 97 93 97 93 93 93 97 93 79 71 81 Wind Dir SW E NE E NE NE E E E E E E E E E SE SE S SE Wind Spd 6 5 3 3 3 6 8 8 10 9 9 12 14 19 25 23 21 19 14 Wind Gust 17 23 35 35 41 37 40 33 Clouds OV OV OV OV OV OV B2 OV OV OV OV OV OV OV B2 B2 B1 SC SC PoP 12hr 90 90 80 50 60 QPF 12hr 1.31 1.35 0.42 1.06 0.81 Rain shwrs L D L D D D D C D L D D D D D D C C S Tstms L C C C C S S S S S Obvis PF PF PF PF PF F PF PF PF Flood A A A A A A A Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 78 60 78 61 75 59 74 Temp 64 61 75 70 62 60 74 70 62 61 73 69 61 59 72 68 Dewpt 62 61 64 63 61 60 66 64 62 61 65 63 60 59 65 61 PWind Dir SE S SE SE SE NE E W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 B1 SC SC B1 B1 B1 SC B1 B1 B1 SC PoP 12hr 20 20 30 40 30 40 40 40 Rain shwrs S S C C S C C C S C C C S C Tstms S $$ TNZ071-252000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1153 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 64 73 66 77 Temp 73 72 68 66 66 66 65 67 71 71 71 68 68 68 68 72 75 75 70 Dewpt 69 68 68 66 65 65 65 67 68 68 67 68 68 68 68 69 69 66 64 RH 87 87100100 97 97100100 90 90 87100100100100 90 82 74 81 Wind Dir W SE E NE NE NE E NE NE NE NE NE NE NE NE SE S S S Wind Spd 4 4 5 6 6 8 9 9 9 9 11 13 16 23 26 21 21 21 14 Wind Gust 17 33 39 41 33 37 34 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 PoP 12hr 90 70 90 70 70 QPF 12hr 0.52 0.73 1.03 1.34 0.70 Rain shwrs D D C L D D D D D D D D D D D D L L C Tstms L L C C C S S S S S S Obvis PF PF PF PF PF PF PF PF Flood A A A A A A A Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 78 63 79 63 79 61 79 Temp 67 64 75 72 66 63 76 72 65 63 77 73 64 61 77 72 Dewpt 64 62 65 64 63 62 68 65 64 62 67 65 63 61 66 63 PWind Dir S S S SW S W E NW Wind Char GN GN LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC PoP 12hr 30 30 30 40 30 40 30 30 Rain shwrs C C C S S C C S S C C S C Tstms S S S $$ TNZ036-252000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1153 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 63 72 65 75 Temp 73 72 69 65 65 65 63 68 70 70 69 67 67 67 67 72 73 73 68 Dewpt 70 68 68 65 64 64 63 68 69 68 68 67 67 67 67 71 69 68 65 RH 90 87 97100 97 97100100 97 93 97100100100100 97 87 84 90 Wind Dir S SE E NE NE NE NE NE NE NE NE NE NE NE NE E S S S Wind Spd 4 3 3 3 3 5 6 8 8 8 9 11 13 19 25 20 19 18 13 Wind Gust 16 19 24 33 40 43 36 34 33 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 80 70 90 70 80 QPF 12hr 0.21 0.47 0.94 1.53 0.92 Rain shwrs L L L C L D L D D D D D D D D D L L C Tstms L C C C S S S Obvis PF PF PF PF PF PF PF PF PF Flood A A A A A A A Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 75 62 77 62 78 60 79 Temp 64 62 72 69 63 62 74 71 64 62 76 71 62 60 77 71 Dewpt 64 62 66 64 63 62 69 65 64 62 68 65 62 60 66 62 PWind Dir S S S S W W NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC B1 SC SC PoP 12hr 30 30 30 40 30 40 30 30 Rain shwrs C S C C S C C S S C C S S C Tstms S S S S $$ TNZ099-252000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1153 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 65 73 67 75 Temp 75 74 69 67 66 66 66 68 71 71 69 68 68 68 67 70 72 72 69 Dewpt 68 68 67 66 65 65 65 67 68 68 67 67 68 68 67 69 69 67 65 RH 79 82 93 97 97 97 97 97 90 90 93 97100100100 97 90 84 87 Wind Dir NW SE E N NE NE NE NE NE NE NE NE NE N NE S S S S Wind Spd 4 6 5 5 5 6 6 8 9 10 11 14 14 19 21 8 20 19 16 Wind Gust 17 32 33 35 28 32 32 Clouds B2 B2 B2 B2 B2 OV B2 OV OV OV OV OV OV OV B2 OV OV B2 B1 PoP 12hr 90 80 100 100 100 QPF 12hr 0.10 0.31 1.40 2.51 0.68 Rain shwrs L L L C C L C L L L D D D D D D L L S Tstms L L C C C S S S S S Obvis PF PF PF PF Flood A A A A A A A A A A A A A A A A Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 77 64 80 64 80 64 81 Temp 66 64 74 71 66 64 77 73 66 64 77 74 66 64 78 74 Dewpt 64 62 66 64 64 63 68 65 64 63 68 65 63 62 66 64 PWind Dir S S S SW SW W NW N Wind Char GN GN LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 20 30 10 30 20 30 10 20 Rain shwrs S C C S S S C S Tstms S S S $$ NCZ060-252000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1153 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 62 71 63 73 Temp 72 69 67 65 64 64 62 66 69 69 68 66 66 65 66 68 71 70 65 Dewpt 69 67 66 64 64 63 62 66 67 67 66 66 66 65 66 67 66 64 64 RH 90 93 97 97100 97100100 93 93 93100100100100 97 84 81 97 Min/Max RH 84 100 87 100 81 Wind Dir SE NE NE NE E E E E E E E E E NE E SE S S S Wind Dir Deg 14 5 6 4 8 7 7 7 8 10 8 9 7 6 11 15 17 17 17 Wind Spd 5 4 3 2 3 4 5 5 6 8 9 12 13 19 19 21 17 16 11 Wind Gust 16 19 21 27 34 36 40 37 31 28 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 Clouds (%) 93 93 98 96 94 97 97 96 94 96 99 97 93 96 95 85 82 83 61 Vsby 4 2 3 4 3 2 2 2 2 2 PoP 12hr 90 90 100 100 100 QPF 12hr 0.85 1.07 1.75 2.02 0.86 Rain shwrs D D D D D D D L D D D D D D D D L L S Tstms L L L C C C S S S S S S S S Obvis PF PF PF PF PF PF PF PF PF PF Flood A A A A A A A A A A A A A A A A Trop Storm A A A A A A A A A A A A A A A A A A A Haines 3 3 3 LAL 4 4 4 3 2 2 2 2 2 2 Max Mix Hgt AGL Mix Hgt 2400 1800 3500 Max Vent Rt 21000 20300 65200 T Wind Dir S E S T Wind Spd 8 10 18 ADI 18 18 57 Max LVORI 8 9 7 Stability C D D D C D D D D C Ceiling NONE NONE NONE NONE NONE NONE NONE NONE 7200 8000 Sta Pres 27.84 27.80 27.75 27.76 27.72 27.57 27.27 27.13 27.51 27.61 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 74 59 76 60 76 58 77 Temp 62 59 71 68 62 59 75 67 62 60 76 67 60 58 76 67 Dewpt 62 59 62 62 62 59 65 64 62 60 65 63 60 58 64 62 PWind Dir S S SE S SE SW N NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC PoP 12hr 20 20 20 30 20 40 20 20 Rain shwrs S S S C S S S C S S S Tstms 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 $$