767  
FOUS54 KMRX 150533  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
133 AM EDT FRI AUG 15 2025  
 
TNZ017-152000-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
133 AM EDT FRI AUG 15 2025  
 
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25  
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 67 90 66 91  
TEMP 68 69 79 85 87 81 73 70 68 69 80 86 88 81 73 70 67 68 80 86 88 83  
DEWPT 68 68 71 71 70 70 69 68 66 67 71 66 66 68 68 67 66 66 70 69 69 70  
RH 100 97 77 63 57 69 87 93 93 93 74 51 48 65 84 90 97 93 72 57 54 65  
WIND DIR E E E NE N N E E E E NE N N NE E E SE E NW N N NW  
WIND SPD 0 1 1 2 2 2 1 1 1 1 1 2 3 2 1 1 1 1 1 2 3 2  
CLOUDS B1 B1 SC SC FW SC SC FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 20 5 20 0 5  
QPF 12HR 0.21 0 0 0 0  
RAIN SHWRS S S S  
TSTMS S S S  
OBVIS F PF  
HEAT INDEX 90 92 85 83 84 83 90 92 87  
MAX HEAT 91 93 90 90 91 94  
 
DATE MON 08/18/25 TUE 08/19/25 WED 08/20/25 THU 08/21/25  
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 91 69 91 68 87 68 85  
TEMP 71 70 88 83 72 70 87 81 71 70 84 78 70 69 81 76  
DEWPT 67 67 71 71 69 68 71 71 69 68 72 71 68 68 72 70  
PWIND DIR NE NE E NE SE W SE NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW FW FW FW FW FW SC FW SC SC SC SC B1 B1 B1  
POP 12HR 5 10 10 20 20 40 30 50  
RAIN SHWRS S S C C S C  
TSTMS S S C S C  
 

 
 
TNZ071-152000-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
133 AM EDT FRI AUG 15 2025  
 
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25  
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 71 92 71 93  
TEMP 72 73 82 88 89 83 78 74 73 72 83 90 91 85 78 75 72 72 83 91 92 86  
DEWPT 70 71 74 74 73 72 72 71 70 70 73 69 68 70 71 70 69 69 72 69 68 70  
RH 93 93 77 63 59 70 82 90 90 93 72 50 47 61 79 84 90 90 70 49 46 59  
WIND DIR NE E N N N N SW S SE E NE NE NE NE E SE SE E N N NE NE  
WIND SPD 1 1 1 2 3 2 1 1 1 1 2 3 4 2 2 1 1 1 2 3 4 2  
CLOUDS B1 SC SC SC FW SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 20 5 10 0 5  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S  
TSTMS S  
HEAT INDEX 88 97 97 88 89 95 95 90 88 96 96 91  
MAX HEAT 97 99 85 95 97 88 96 97  
 
DATE MON 08/18/25 TUE 08/19/25 WED 08/20/25 THU 08/21/25  
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 94 73 94 73 91 71 88  
TEMP 76 74 91 86 76 74 91 85 76 74 89 83 75 72 85 79  
DEWPT 70 70 73 73 72 71 74 72 72 72 74 72 71 70 73 71  
PWIND DIR E NE SE N S W S N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW FW FW SC SC FW FW SC SC SC SC SC SC SC B1  
POP 12HR 5 10 5 20 10 30 30 40  
RAIN SHWRS S C C C  
TSTMS S C C C  
 

 
 
TNZ036-152000-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
133 AM EDT FRI AUG 15 2025  
 
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25  
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 71 93 70 93  
TEMP 71 72 82 88 88 83 77 74 72 72 84 90 90 85 77 74 72 72 84 91 91 86  
DEWPT 70 71 74 74 74 73 72 71 70 70 74 69 69 70 70 69 68 69 72 70 70 71  
RH 97 97 77 63 63 72 85 90 93 93 72 50 50 61 79 84 87 90 67 50 50 61  
WIND DIR NE NE E E NE N NW NW NE NE NE NE N N NE N NE NE NE NE NE N  
WIND SPD 1 1 1 1 2 1 1 1 1 1 1 2 2 2 1 1 1 1 1 2 2 2  
CLOUDS B1 B1 SC SC B1 SC SC FW SC SC FW SC FW FW FW FW FW FW FW FW FW FW  
POP 12HR 20 5 10 0 5  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S  
TSTMS S  
OBVIS PF PF  
HEAT INDEX 88 97 97 89 91 95 95 90 90 97 97 91  
MAX HEAT 97 98 84 96 97 86 97 98  
 
DATE MON 08/18/25 TUE 08/19/25 WED 08/20/25 THU 08/21/25  
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 94 72 94 72 91 71 88  
TEMP 75 73 93 86 76 74 92 84 75 73 89 83 74 72 86 79  
DEWPT 70 70 73 73 71 71 74 72 72 71 74 72 71 70 73 71  
PWIND DIR N NE NE SE W W N N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW FW FW FW FW FW FW SC SC SC SC SC SC B1 B1  
POP 12HR 5 5 5 20 20 40 30 40  
RAIN SHWRS S S C C S C  
TSTMS S S C C S C  
 

 
 
TNZ099-152000-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
133 AM EDT FRI AUG 15 2025  
 
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25  
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 72 94 72 95  
TEMP 74 73 84 89 89 83 77 75 73 73 84 90 91 85 78 75 73 73 85 91 92 86  
DEWPT 73 73 75 75 74 75 74 74 72 73 75 71 71 73 74 73 71 72 74 72 71 71  
RH 97100 74 64 61 77 90 97 97100 74 54 52 67 88 94 93 97 70 54 51 61  
WIND DIR NE NW N N N W E S N NE NE NE N N N NE NE NE NE NE NE NE  
WIND SPD 1 1 1 2 2 2 1 1 1 1 2 2 3 2 1 1 1 1 2 2 3 2  
CLOUDS SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 10 20 0 10  
QPF 12HR 0.05 0 0 0 0  
RAIN SHWRS S C S S  
TSTMS S C S S  
OBVIS PF PF  
HEAT INDEX 92 99 98 90 92 96 98 92 93 99 99 91  
MAX HEAT 99 101 85 97 99 90 99 99  
 
DATE MON 08/18/25 TUE 08/19/25 WED 08/20/25 THU 08/21/25  
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 96 74 95 74 93 73 90  
TEMP 76 74 92 85 76 75 91 84 76 75 90 84 75 73 86 80  
DEWPT 72 72 73 73 72 72 74 73 72 72 74 74 73 72 73 72  
PWIND DIR NE NE E E SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW FW FW FW FW FW FW SC SC FW SC SC SC SC SC  
POP 12HR 0 10 5 20 10 30 20 40  
RAIN SHWRS S C S C  
TSTMS S C S C  
 

 
 
NCZ060-152000-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
133 AM EDT FRI AUG 15 2025  
 
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25  
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 89 66 89 66 90  
TEMP 68 68 81 86 84 77 71 69 68 68 80 87 84 77 71 68 67 67 80 88 86 80  
DEWPT 68 68 72 72 72 72 70 69 67 68 72 70 71 71 69 68 66 66 71 69 70 70  
RH 100100 74 63 67 85 97100 97100 77 57 65 82 93100 97 97 74 54 59 72  
MIN/MAX RH 63 100 57 100 54  
WIND DIR N N NW NW W W N N N N S NW N E N N N N N NW N N  
WIND DIR DEG 0 0 32 31 26 26 0 0 0 0 16 30 2 9 0 0 0 0 1 32 33 1  
WIND SPD 0 0 1 2 2 1 0 0 0 0 1 2 2 1 0 0 0 0 1 2 2 1  
CLOUDS B1 B1 SC B1 SC B1 SC SC B1 B1 FW SC SC SC FW SC SC SC FW FW FW FW  
CLOUDS (%) 63 64 40 51 43 52 40 44 55 62 21 38 34 29 21 30 34 37 15 22 20 23  
VSBY 7 7 10 10 10 10 10 7 7 7 10 10  
POP 12HR 50 20 40 5 20  
QPF 12HR 0.22 0.01 0.11 0 0  
RAIN SHWRS C C S C C S S  
TSTMS C C S C C S S  
OBVIS F F  
HEAT INDEX 85 92 90 84 92 89 83 92 91 83  
MAX HEAT 92 92 92 92 92 93  
CHANCETHUNDER 50 20 40 5 20  
MAX MIX HGT  
AGL MIX HGT 4000 4900 5300  
MAX VENT RT 15900 22300 38700  
T WIND DIR N NE N  
T WIND SPD 4 4 5  
ADI 16 23 37  
MAX LVORI 10 8 10  
STABILITY F A A G F A A G G A A  
CEILING NONE NONE NONE NONE NONE NONE NONE 18200 8000 9800 NONE  
STA PRES 27.99 28.00 27.99 28.01 28.00 27.98 27.95 27.97 27.97 27.95 27.93  
 
DATE MON 08/18/25 TUE 08/19/25 WED 08/20/25 THU 08/21/25  
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 67 91 67 91 67 89 67 87  
TEMP 69 68 89 78 70 68 88 78 70 69 86 77 69 68 84 75  
DEWPT 68 67 70 71 69 68 72 72 70 69 72 71 68 68 72 71  
PWIND DIR N N E NE SE NW NE N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC FW SC SC SC SC SC SC B1 SC SC SC B1 B1 B1  
POP 12HR 5 20 10 30 20 40 20 50  
RAIN SHWRS S C S C S C  
TSTMS S C S 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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