909
FOUS54 KMRX 110627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 AM EDT TUE AUG 11 2026
TNZ017-112000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 AM EDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 88 69 88 70 88
TEMP 70 71 79 86 85 81 73 71 70 70 77 84 86 81 74 72 71 71 79 85 86 82
DEWPT 69 70 72 73 72 72 70 70 69 69 72 73 73 72 71 70 70 70 73 74 74 73
RH 97 97 79 65 65 74 90 97 97 97 85 70 65 74 90 93 97 97 82 70 68 74
WIND DIR S SW W W W SW W S W SW SW W W SW S SW SW SW SW W W W
WIND SPD 2 4 6 9 10 6 4 4 4 6 10 11 10 6 4 2 1 2 8 9 6 3
CLOUDS SC SC SC B1 B1 SC B2 B2 B2 B2 B1 SC B1 SC SC B1 B2 B2 B1 B1 SC SC
POP 12HR 40 60 60 50 50
QPF 12HR 0.25 0.25 0.06 0.04 0.03
RAIN SHWRS S C C C L C S S C C C C S S C C C C C
TSTMS S C C C C C S S C C C S S S C C C
HEAT INDEX 93 92 85 91 93 86 93 94 88
MAX HEAT 93 94 93 95 95 96
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 71 88 69 87 69 89 71 88
TEMP 73 71 85 81 72 70 85 81 72 71 87 83 73 72 85 81
DEWPT 71 71 74 73 71 70 73 73 70 70 73 73 70 70 73 72
PWIND DIR SW W W W S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC SC
POP 12HR 30 70 40 50 10 20 20 40
RAIN SHWRS C C C L C S C S S C
TSTMS C S C L C C S S C
TNZ071-112000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 AM EDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 91 73 92 74 92
TEMP 74 74 84 89 91 85 78 76 75 75 83 90 91 86 79 77 75 75 84 90 92 87
DEWPT 71 71 73 74 73 73 72 72 71 71 74 75 74 74 73 72 72 72 75 75 75 75
RH 90 90 70 61 56 67 82 87 87 87 74 62 58 68 82 85 90 90 74 62 58 68
WIND DIR SW SW SW W W SW S S SW SW SW SW W SW SW SW SW SW SW SW W SW
WIND SPD 3 4 5 5 8 6 5 5 5 6 6 8 8 5 5 4 4 5 6 6 6 4
CLOUDS FW FW FW SC SC SC SC SC B1 SC SC SC B1 B1 SC B1 B1 B1 B1 SC SC B1
POP 12HR 20 40 40 40 20
QPF 12HR 0 0.08 0.03 0 0
RAIN SHWRS S S C S C C C C C C S S S S S
TSTMS S S S S S S C C C S S S S
HEAT INDEX 90 98100 92 90101101 94 92101103 96
MAX HEAT 98 100 87 101 101 88 101 103
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 76 93 74 93 75 94 76 95
TEMP 78 76 91 87 78 75 91 87 77 76 92 88 79 77 92 87
DEWPT 73 72 76 75 74 72 75 74 73 72 73 73 72 71 73 73
PWIND DIR SW W E N SE SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC SC B1 SC SC SC SC SC SC FW FW SC
POP 12HR 20 40 10 20 5 5 10 20
RAIN SHWRS S S C S S
TSTMS S S C S S
TNZ036-112000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 AM EDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 91 72 92 73 92
TEMP 73 73 83 89 91 84 77 74 73 73 82 89 91 85 77 75 73 74 83 90 91 86
DEWPT 71 71 74 75 75 73 72 71 71 71 75 75 75 74 73 72 71 72 75 76 76 75
RH 93 93 74 64 60 70 85 90 93 93 79 64 60 70 87 90 93 93 77 64 62 70
WIND DIR SW SW SW SW W SW SW S SW SE SW SW W W SW SW SW SW SW SW W W
WIND SPD 1 2 3 4 5 4 3 2 2 3 3 5 5 2 2 1 2 2 3 4 3 2
CLOUDS FW FW FW SC SC SC B1 SC B1 SC B1 B1 SC SC SC B1 B2 B1 B1 B1 SC SC
POP 12HR 20 30 40 30 20
QPF 12HR 0 0.05 0.03 0 0
RAIN SHWRS S S C C S C C C C S S S
TSTMS S S C S S C C C S S S
HEAT INDEX 90 99102 90 89 99102 93 90102103 95
MAX HEAT 99 102 84 99 102 84 102 105
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 93 74 93 74 94 74 94
TEMP 77 74 90 86 76 75 91 86 76 75 91 87 77 75 92 85
DEWPT 73 73 77 76 73 73 76 75 72 72 75 75 72 71 74 74
PWIND DIR SW W NE NE NE SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC B1 SC SC SC B1 SC SC SC SC SC FW FW SC SC
POP 12HR 20 30 10 20 0 5 10 20
RAIN SHWRS S C S S
TSTMS S C S S
TNZ099-112000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 AM EDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 93 74 94 75 94
TEMP 74 74 85 91 91 84 78 76 75 75 85 92 92 86 80 77 76 75 86 92 94 88
DEWPT 72 72 75 75 74 75 74 73 73 73 75 75 74 75 74 73 73 73 75 75 74 76
RH 93 93 72 60 58 74 88 90 94 94 72 58 56 70 82 87 90 94 70 58 53 68
WIND DIR N N W W W SW S S S SW W W W SW SW SW SW SW W W W W
WIND SPD 0 0 3 4 5 4 2 1 1 2 4 5 6 3 2 1 1 1 3 5 5 3
CLOUDS FW FW CL SC B1 SC SC FW FW SC FW SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR 40 20 30 20 10
QPF 12HR 0 0.02 0.02 0.03 0
RAIN SHWRS S C C C S S
TSTMS S C C C S
HEAT INDEX 94102101 92 94103102 95 85 95103105 99
MAX HEAT 102 105 87 103 105 90 103 106
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 96 76 96 76 97 76 97
TEMP 79 76 93 90 79 77 94 90 79 77 94 91 80 77 95 90
DEWPT 74 73 75 76 75 74 75 75 74 73 74 74 73 72 73 73
PWIND DIR SW W W N N SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC FW SC SC SC FW FW
POP 12HR 5 10 5 10 5 5 5 10
NCZ060-112000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 AM EDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 90 69 90 69 91
TEMP 69 69 82 88 88 79 72 70 70 70 81 88 89 82 74 71 70 70 82 89 90 84
DEWPT 68 69 73 73 72 72 71 70 69 70 74 73 73 73 71 70 70 70 74 74 73 74
RH 97100 74 61 59 79 97100 97100 79 61 59 74 90 97100100 77 61 58 72
MIN/MAX RH 57 100 59 100 56
WIND DIR N N NW NW W W N N N N W W W W N N N N W W W N
WIND DIR DEG 0 0 29 29 27 25 0 0 0 0 28 28 28 27 0 0 0 0 27 28 27 0
WIND SPD 0 0 2 4 4 2 0 0 0 0 4 5 4 1 0 0 0 0 2 4 3 0
CLOUDS SC SC FW FW SC SC B1 B1 B1 B1 FW SC SC SC B1 B1 B2 B2 B1 SC SC B1
CLOUDS (%) 42 29 6 19 33 43 61 57 68 63 23 37 34 48 54 57 74 73 58 46 48 51
VSBY 7 7 10 10 10 10 10 10 7 7 10
POP 12HR 30 30 30 20 20
QPF 12HR 0.04 0.03 0.02 0 0
RAIN SHWRS C C S S S C C S S S S S S
TSTMS C C S S C C S S S S
HEAT INDEX 87 96 95 86 96 97 87 88 98 98 91
MAX HEAT 96 96 96 97 98 101
CHANCETHUNDER 30 20 30 20 20
MAX MIX HGT
AGL MIX HGT 4600 4800 4100
MAX VENT RT 41500 38500 41400
T WIND DIR NW W W
T WIND SPD 8 8 9
ADI 42 38 41
MAX LVORI 10 10 10
STABILITY G A A F F B A F F A B
CEILING 17100 NONE NONE NONE NONE NONE 14800 NONE NONE NONE NONE
STA PRES 28.03 27.98 27.93 27.92 27.93 27.90 27.85 27.86 27.91 27.91 27.86
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 70 92 71 92 71 92 71 93
TEMP 73 71 90 84 74 72 90 84 73 72 90 83 73 72 90 83
DEWPT 71 71 74 74 71 71 73 74 71 70 73 73 70 69 72 72
PWIND DIR N NW N NW N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC SC B1 SC SC SC B1 SC SC SC SC FW
POP 12HR 5 20 5 10 5 10 5 20
RAIN SHWRS S S
TSTMS 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
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