172
FOUS54 KMRX 160337
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
1137 PM EDT SAT AUG 15 2026
TNZ017-160445-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
1137 PM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 71 89 71 89
TEMP 72 71 72 81 87 89 84 76 73 72 72 82 88 86 79
DEWPT 71 70 71 73 73 71 71 71 69 69 70 72 71 70 72
RH 97 97 97 77 63 56 65 85 87 90 93 72 57 59 79
WIND DIR N N S SW W W SW SW SW SW SW SW W W W
WIND SPD 0 0 0 5 8 8 5 3 2 1 3 6 9 9 3
CLOUDS FW SC SC SC FW FW CL FW FW FW B1 SC SC SC SC
POP 12HR 0 10 10 70
QPF 12HR 0 0 0 0.10
RAIN SHWRS L L C
TSTMS C C C
OBVIS PF PF PF
HEAT INDEX 86 95 96 90 87 94 91
MAX HEAT 97 97 84 96 96
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 69 86 65 87 68 86 66 84
TEMP 71 69 83 81 68 67 85 81 70 69 83 79 68 66 81 76
DEWPT 70 69 70 68 66 65 67 68 66 66 69 68 66 65 67 65
PWIND DIR NW NW N SW S W NE W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC FW FW SC SC FW SC SC SC SC SC B1 B1
POP 12HR 50 10 0 0 30 40 40 40
RAIN SHWRS C C S C C C C C
TSTMS C S S C C C
TNZ071-160445-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
1137 PM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 96 76 95
TEMP 78 76 76 87 94 95 88 82 79 77 77 88 94 93 85
DEWPT 73 72 72 74 73 71 71 71 70 70 71 72 72 72 74
RH 85 87 87 65 51 46 57 69 74 79 82 59 49 51 70
WIND DIR SW SW SW SW W W SW SW S SW SW SW W W W
WIND SPD 1 1 2 4 5 5 3 3 4 4 4 5 6 8 4
CLOUDS FW SC FW FW SC CL FW FW FW FW SC FW FW SC SC
POP 12HR 0 0 5 50
QPF 12HR 0 0 0 0.05
RAIN SHWRS C C C
TSTMS C C C
HEAT INDEX 95103103 94 86 95102101 93
MAX HEAT 88 103 105 91 102 104
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 73 90 69 92 72 91 70 89
TEMP 77 73 89 87 75 70 91 87 77 73 89 85 74 71 86 82
DEWPT 73 72 72 70 69 68 69 69 69 68 71 70 68 67 69 67
PWIND DIR S N NE W S W N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC FW SC FW FW FW SC SC SC SC SC SC B1 SC
POP 12HR 50 10 0 0 30 40 30 40
RAIN SHWRS C C S C C C S C
TSTMS C S S C C S C
TNZ036-160445-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
1137 PM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 94 74 94
TEMP 77 75 75 86 93 94 88 80 78 75 75 87 93 92 84
DEWPT 73 72 73 75 74 72 73 72 71 70 72 74 74 73 74
RH 87 90 94 70 54 49 61 77 79 84 90 65 54 54 72
WIND DIR N N SW SW W W SW SW SW SW SW SW W W NW
WIND SPD 0 0 1 2 3 3 2 1 1 2 2 2 4 4 2
CLOUDS FW SC SC FW SC FW CL FW FW FW FW FW FW SC SC
POP 12HR 0 0 5 50
QPF 12HR 0 0 0 0.01
RAIN SHWRS C C C
TSTMS C C C
HEAT INDEX 95103102 96 84 95103101 91
MAX HEAT 103 103 90 103 105
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 72 90 68 92 71 90 68 88
TEMP 75 72 88 85 73 69 89 85 75 72 88 83 72 69 85 81
DEWPT 72 71 73 71 68 67 71 72 70 69 72 70 68 67 69 68
PWIND DIR NW N N SW W NW N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW SC FW SC SC SC SC SC SC SC
POP 12HR 30 10 0 0 30 30 30 40
RAIN SHWRS C C S C C C S C
TSTMS C S S C C S C
TNZ099-160445-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
1137 PM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 76 98 77 98
TEMP 79 77 77 89 96 98 92 83 80 78 78 90 97 98 90
DEWPT 74 73 73 74 72 69 72 72 71 71 72 73 72 71 74
RH 85 87 87 61 46 39 52 70 74 79 82 58 45 42 60
WIND DIR N N N W W W W SW SW SW SW W W W NW
WIND SPD 0 0 0 1 3 4 3 2 1 1 1 3 5 6 4
CLOUDS FW FW FW FW FW FW FW FW FW FW FW CL FW FW SC
POP 12HR 0 0 0 30
QPF 12HR 0 0 0 0.01
RAIN SHWRS C C S
TSTMS C C S
HEAT INDEX 98105104100 88 83 98106106 99
MAX HEAT 89 105 105 94 106 107
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 94 72 96 75 95 72 92
TEMP 79 76 93 89 77 73 94 90 79 76 93 87 76 73 90 84
DEWPT 74 73 72 71 70 69 70 71 71 70 72 70 70 69 69 68
PWIND DIR NW N N W SW NW N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC
POP 12HR 20 5 0 5 20 20 20 30
RAIN SHWRS S S S S S C
TSTMS S S S S C
NCZ060-160445-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
1137 PM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 70 93 70 93
TEMP 73 72 70 84 91 91 83 76 73 72 72 85 91 92 84
DEWPT 71 70 70 74 72 70 72 71 69 68 69 72 71 70 73
RH 93 93100 72 54 50 70 85 87 87 90 65 52 49 70
MIN/MAX RH 100 49 93 47
WIND DIR N N N N NW NW N N N N N W W W NW
WIND DIR DEG 0 0 0 0 30 29 0 0 0 0 0 27 28 28 30
WIND SPD 0 0 0 0 4 3 0 0 0 0 0 1 5 5 1
CLOUDS SC SC SC FW FW CL CL FW FW FW FW CL FW FW SC
CLOUDS (%) 29 37 39 17 9 4 3 6 13 20 18 5 6 21 29
VSBY 7 7 7 10 10 10 10 10 10 7
POP 12HR 0 0 0 20
QPF 12HR 0 0 0 0
RAIN SHWRS S S C
TSTMS S S C
OBVIS F
HEAT INDEX 91 99 97 88 91 98 98 90
MAX HEAT 99 100 98 100
CHANCETHUNDER 5 0 0 20
MAX MIX HGT
AGL MIX HGT 5300 5900
MAX VENT RT 48600 68100
T WIND DIR NW NW
T WIND SPD 5 8
ADI 42 59
MAX LVORI 10 7
STABILITY G G A A G G B A
CEILING 20800 NONE NONE NONE 23500 18200 NONE 12700
STA PRES 28.04 28.03 28.01 27.93 27.94 27.94 27.90 27.87
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 90 66 91 68 90 66 88
TEMP 73 70 88 83 69 67 89 83 72 70 88 81 70 67 86 78
DEWPT 71 70 71 70 67 66 69 70 67 66 71 70 68 66 69 68
PWIND DIR NW NW N NW N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC FW FW FW SC FW FW SC SC SC SC SC B1 SC
POP 12HR 30 5 0 0 20 30 30 40
RAIN SHWRS C S C C S S C
TSTMS C S C C S C
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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