524  
FOUS54 KMRX 120227  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
1027 PM EDT TUE AUG 11 2026  
 
TNZ017-120800-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
1027 PM EDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 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 68 86 69 87 71  
TEMP 73 71 70 69 76 83 85 80 73 71 70 69 78 84 87 82 74 73 72 71  
DEWPT 70 70 69 69 72 73 73 72 71 70 70 69 73 74 74 74 72 71 70 71  
RH 90 97 97100 87 72 67 77 93 97100100 85 72 65 77 93 93 93100  
WIND DIR S S W SW SW W W SW S SW SW S SW SW W SW S S SW SW  
WIND SPD 4 3 4 5 8 9 9 5 3 1 2 3 6 9 8 3 2 1 1 3  
CLOUDS B1 B2 B1 B1 B2 SC SC B1 B1 SC B1 B1 B2 B1 B1 SC SC SC SC B1  
POP 12HR 80 40 50 40 30  
QPF 12HR 0.05 0.02 0.06 0.07 0.04  
RAIN SHWRS C C S C S S C C S C C C C S S C  
TSTMS C S C S S C S C C C S S  
HEAT INDEX 89 92 85 92 94 88  
MAX HEAT 91 94 94 96 85  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 87 70 88 70 89 71 89 69 87  
TEMP 85 81 72 72 86 81 72 71 87 83 73 72 87 82 71 69 84 80  
DEWPT 75 74 71 71 73 73 70 70 73 73 70 70 72 72 70 69 69 69  
PWIND DIR W SW W S SW SW W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC B1 SC SC SC SC FW FW SC SC SC SC SC SC SC  
POP 12HR 70 30 50 20 20 10 50 30 20  
RAIN SHWRS C L C C S S C C S  
TSTMS C L S C S S C S S  
 

 
 
TNZ071-120800-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
1027 PM EDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 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 73 90 73 91 76  
TEMP 78 75 74 74 82 88 88 84 78 76 75 75 83 90 91 86 80 78 77 76  
DEWPT 72 72 71 71 74 75 74 74 73 72 72 72 75 75 75 75 73 73 72 72  
RH 82 90 90 90 77 66 63 72 85 87 90 90 77 62 60 70 79 85 85 87  
WIND DIR SW S SW SW SW W W SW S S S SW SW SW SW SW S S S SW  
WIND SPD 5 5 5 5 6 6 8 5 4 4 4 4 5 6 6 4 3 3 3 4  
CLOUDS B2 B2 SC SC SC FW SC B1 SC SC SC SC B1 B1 SC B1 B1 SC SC SC  
POP 12HR 50 40 30 30 10  
QPF 12HR 0.03 0.02 0.10 0 0  
RAIN SHWRS C S S C C S S S C C C  
TSTMS C S C C S C C  
HEAT INDEX 88 98 97 91 90101102 95 84  
MAX HEAT 98 101 86 101 102 91  
SVR TSTORM A  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 93 75 93 75 95 76 96 74 92  
TEMP 91 88 78 76 92 87 78 76 93 89 79 77 94 88 77 75 90 85  
DEWPT 75 75 74 73 74 74 74 72 73 73 71 71 71 72 72 71 71 69  
PWIND DIR SW E N SE SW SW W NE N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC SC SC FW SC FW FW FW SC SC SC SC  
POP 12HR 30 20 20 10 5 5 20 20 20  
RAIN SHWRS C C S S S S S  
TSTMS S C S S S S S  
 

 
 
TNZ036-120800-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
1027 PM EDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 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 72 90 72 91 74  
TEMP 76 74 73 73 82 88 88 82 77 75 73 72 83 89 91 85 79 77 75 74  
DEWPT 72 71 71 71 75 75 75 74 73 72 71 72 75 76 76 75 74 73 72 73  
RH 87 90 93 93 79 66 66 77 87 90 93100 77 66 62 72 85 87 90 97  
WIND DIR SW S SW SW SW W W W SW SW SW SW SW SW SW SW SW SW SW SW  
WIND SPD 2 2 2 3 3 5 4 3 2 1 1 2 3 4 4 2 1 1 1 2  
CLOUDS B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 SC B1 B1 SC SC SC  
POP 12HR 60 30 30 30 10  
QPF 12HR 0.04 0 0 0 0  
RAIN SHWRS C S C S C C  
TSTMS C S C S C C  
HEAT INDEX 89 98 98 88 90100103 94  
MAX HEAT 98 102 84 100 103 89  
SVR TSTORM A  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 93 74 92 74 94 74 95 72 91  
TEMP 90 86 77 75 91 86 77 75 92 87 77 75 92 85 75 73 88 83  
DEWPT 76 76 73 73 76 75 73 73 74 74 71 71 73 73 71 71 72 70  
PWIND DIR W NW N N SW SW W N N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC FW FW FW SC FW SC SC SC  
POP 12HR 20 10 20 5 5 5 20 10 20  
RAIN SHWRS S S S S  
TSTMS S S S S  
 

 
 
TNZ099-120800-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
1027 PM EDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 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 73 93 74 94 75  
TEMP 78 76 74 74 85 91 92 87 79 77 75 75 86 92 94 88 81 79 77 76  
DEWPT 73 73 72 72 75 75 74 75 74 73 73 73 75 75 74 75 74 74 73 73  
RH 85 90 93 93 72 60 56 68 85 87 94 94 70 58 53 66 79 85 87 90  
WIND DIR S S SW S W W W W SW SW SW S W W SW SW SW N N N  
WIND SPD 2 1 1 1 3 5 6 3 1 1 1 1 3 5 5 3 1 0 0 0  
CLOUDS SC SC SC FW FW SC SC B1 SC SC FW SC SC SC SC B1 SC SC SC SC  
POP 12HR 20 30 20 20 0  
QPF 12HR 0.05 0 0.02 0 0  
RAIN SHWRS S S C S S S S  
TSTMS S C S S S  
HEAT INDEX 94102102 96 95103105 98 86  
MAX HEAT 102 102 89 103 105 95  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 96 76 96 76 97 76 99 76 95  
TEMP 93 91 80 77 94 90 80 77 95 91 80 77 97 91 79 77 93 88  
DEWPT 74 75 74 74 74 75 74 73 73 73 72 72 70 72 72 72 71 71  
PWIND DIR W W NW W SW SW W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC SC FW SC SC SC FW FW SC FW FW FW SC FW FW FW  
POP 12HR 10 5 10 5 5 5 10 10 10  
 

 
 
NCZ060-120800-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
1027 PM EDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 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 68 89 69 90 71  
TEMP 72 70 69 70 81 87 87 79 73 71 70 69 81 87 89 83 75 73 72 71  
DEWPT 71 70 69 69 74 73 73 73 71 70 69 69 74 73 73 73 72 71 70 71  
RH 97100100 97 79 63 63 82 93 97 97100 79 63 59 72 90 93 93100  
MAX/MIN RH 100 61 100 58 100  
WIND DIR N N N N NW NW NW W N N N N W W W N N N N N  
WIND DIR DEG 0 0 0 0 29 29 29 28 0 0 0 0 28 28 27 0 0 0 0 0  
WIND SPD 0 0 0 0 3 5 4 1 0 0 0 0 2 4 3 0 0 0 0 0  
CLOUDS B1 B2 B1 SC SC SC SC SC SC SC SC B1 SC SC SC B1 SC SC SC SC  
CLOUDS (%) 60 71 51 46 35 39 27 47 46 42 44 56 39 41 44 61 37 44 40 50  
VSBY 10 7 7 7 10 10 10 10 10 7 7  
POP 12HR 40 20 10 30 5  
QPF 12HR 0.01 0 0 0.03 0  
RAIN SHWRS C S S S C C  
TSTMS S S C C  
HEAT INDEX 86 94 94 86 94 97 89  
MAX HEAT 94 96 94 98 84  
CHANCETHUNDER 20 20 10 30 5  
MAX MIX HGT  
AGL MIX HGT 4200 4300  
MAX VENT RT 46700 37300  
T WIND DIR W NW  
T WIND SPD 10 8  
ADI 47 39  
MAX LVORI 9 10  
STABILITY F G B A G F A B G G  
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE  
STA PRES 27.92 27.91 27.90 27.83 27.86 27.91 27.93 27.90 27.95 28.00  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 91 71 92 71 92 71 93 70 91  
TEMP 88 84 74 73 90 84 73 72 90 84 73 72 91 83 73 71 88 81  
DEWPT 74 74 71 71 73 74 71 70 72 73 70 69 71 72 69 69 71 70  
PWIND DIR NW N NW N NW N NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC FW SC SC SC SC SC FW SC SC SC FW FW FW SC FW  
POP 12HR 20 5 20 10 10 5 10 5 10  
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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