083  
FOUS54 KMRX 220022  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
721 PM EST SAT DEC 21 2024  
 
TNZ017-220900-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
721 PM EST SAT DEC 21 2024  
 
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE  
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
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 17 37 22 47 26  
TEMP 24 23 21 19 24 34 37 31 26 25 23 22 30 43 45 35 29 28 27 28  
DEWPT 17 16 15 14 14 14 13 15 16 16 17 16 18 23 26 26 24 22 21 22  
RH 74 74 77 80 65 43 37 51 65 68 77 77 60 45 47 69 81 78 78 78  
WIND DIR N N NE NE NE NE NE NE E E E E SE S SW S SE S SE SE  
WIND SPD 3 2 2 2 2 2 2 1 1 1 2 2 2 2 2 2 1 1 1 1  
CLOUDS SC SC SC SC FW FW CL CL CL CL CL CL FW FW CL CL FW FW SC SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
 
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 49 33 56 37 58 40 57 43 61  
TEMP 46 41 35 33 51 46 40 38 54 48 43 41 54 50 46 44 57 52  
DEWPT 30 32 32 32 41 41 38 37 45 43 40 40 47 46 43 42 49 48  
PWIND DIR W E E E E E SE E SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B1 B1 B1 B2 B1 SC SC B1 B1 B2 B2 B1 B2 B1 B1  
POP 12HR 0 5 20 20 10 30 40 50 40  
RAIN SHWRS S S S C C C C C C C  
 

 
 
TNZ071-220900-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
721 PM EST SAT DEC 21 2024  
 
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE  
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
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 23 42 25 49 29  
TEMP 30 27 25 23 30 39 42 35 30 28 27 26 33 44 47 39 34 31 31 30  
DEWPT 21 20 19 19 20 20 19 22 23 23 22 22 23 26 28 28 27 25 24 25  
RH 69 74 78 84 66 46 39 59 75 81 81 85 66 49 47 64 75 78 75 81  
WIND DIR NE NE NE NE NE NE NE NE E E SE E N W SW S S SW S SE  
WIND SPD 5 5 4 4 4 3 3 2 1 1 1 1 1 2 3 2 2 2 2 1  
CLOUDS FW FW FW FW CL CL CL FW CL CL FW FW CL CL CL CL FW FW SC SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
WIND CHILL 24 20 19 17  
MIN CHILL 27 20 17 19 35 28 26 28 39 31 30  
 
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 52 34 56 41 59 45 61 47 63  
TEMP 48 44 38 36 53 49 43 41 55 52 46 45 56 54 49 47 59 56  
DEWPT 33 36 36 34 41 42 41 40 46 46 45 44 50 49 48 47 52 51  
PWIND DIR NE E NE E NE E NE E SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B2 OV B2 B2 B2 B2 B2  
POP 12HR 0 10 20 30 10 40 50 50 40  
RAIN SHWRS S S C S S C C C C C C C  
 

 
 
TNZ036-220900-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
721 PM EST SAT DEC 21 2024  
 
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE  
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
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 22 42 25 47 29  
TEMP 28 26 25 24 30 38 41 35 29 27 27 26 33 43 46 37 34 32 31 31  
DEWPT 20 19 19 19 19 18 17 20 19 20 21 22 23 24 25 27 25 24 24 26  
RH 71 74 78 81 63 44 37 54 66 74 78 85 66 47 43 67 69 72 75 81  
WIND DIR NE NE NE NE NE E E NE NE NE SE S SW SW SW SW SW SW SW SW  
WIND SPD 4 3 3 3 4 2 2 1 1 1 1 1 2 3 3 2 2 2 2 1  
CLOUDS FW FW FW FW CL CL CL FW FW CL CL FW CL CL CL CL FW FW SC B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
 
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 50 34 54 41 57 45 59 47 61  
TEMP 47 43 37 36 51 47 43 41 54 50 46 45 55 53 48 47 57 55  
DEWPT 32 35 34 34 40 41 41 40 45 45 44 44 49 49 48 46 52 51  
PWIND DIR SE NE E NE E NE SE SW S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 OV B2 B2 B2 B2 B2  
POP 12HR 0 10 20 30 10 40 50 50 40  
RAIN SHWRS S S C S S C C C C C C C  
 

 
 
TNZ099-220900-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
721 PM EST SAT DEC 21 2024  
 
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE  
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
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 26 46 29 50 32  
TEMP 31 29 28 27 32 42 45 39 33 31 30 29 35 46 48 40 37 34 33 32  
DEWPT 23 22 22 21 22 24 25 28 28 26 26 24 24 25 26 27 27 26 26 27  
RH 72 75 78 78 66 48 45 64 82 81 85 81 64 43 42 59 67 72 75 81  
WIND DIR N N N N NE NE E NE E S S S S S S S S S S N  
WIND SPD 6 5 4 4 4 2 2 1 1 1 2 2 4 6 6 3 2 2 1 0  
CLOUDS CL CL FW FW FW CL CL FW FW CL FW CL CL CL CL CL CL FW FW FW  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
WIND CHILL 24 23  
MIN CHILL 28 23 22 22 39 31 29 28 38 34 32  
 
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 37 57 45 57 48 59 49 62  
TEMP 50 46 39 38 53 51 46 45 54 52 48 48 56 53 50 49 58 56  
DEWPT 35 40 37 37 44 46 45 44 47 47 46 46 49 49 47 48 52 52  
PWIND DIR NE NE SE SE SE SE S S S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 OV B2 B2  
POP 12HR 0 10 30 30 10 40 50 50 40  
RAIN SHWRS S C C S C C C C C C C C  
 

 
 
NCZ060-220900-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
721 PM EST SAT DEC 21 2024  
 
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE  
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
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 19 46 23 49 25  
TEMP 26 25 22 19 30 43 43 34 29 26 25 24 32 46 46 36 31 28 27 28  
DEWPT 22 20 20 19 21 22 21 25 24 23 21 19 20 18 19 22 21 21 21 23  
RH 85 81 92100 69 43 41 69 81 88 84 81 61 32 34 56 66 75 78 81  
MAX/MIN RH 100 38 88 30 81  
WIND DIR NW N N NE SW W W W SE SE SE SE SE S S SE SE SE N N  
WIND DIR DEG 30 33 33 3 20 27 28 26 13 12 12 12 14 16 16 14 13 12 0 0  
WIND SPD 2 1 1 1 1 2 2 1 1 1 1 2 2 4 4 2 1 1 0 0  
CLOUDS FW FW FW SC FW CL CL CL FW CL FW FW FW CL CL CL CL FW FW SC  
CLOUDS (%) 6 14 17 26 17 5 1 5 9 4 8 8 6 2 1 3 5 6 15 30  
VSBY 10 10 10 10 10 10 10 10 10 10 10  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
HAINES 3 4  
LAL 1 1 1 1 1 1 1 1 1 1 1  
MAX MIX HGT  
AGL MIX HGT 3000 2700  
MAX VENT RT 14000 24400  
T WIND DIR W SE  
T WIND SPD 3 8  
ADI 12 21  
MAX LVORI 10 5  
STABILITY G G B B G G B B G G  
CEILING 23500 0 NONE NONE NONE NONE NONE 0 NONE NONE  
STA PRES 28.09 28.15 28.13 28.16 28.19 28.20 28.17 28.17 28.14 28.10  
 
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 34 58 40 58 44 57 46 61  
TEMP 52 44 37 36 55 48 42 41 56 50 46 44 54 51 46 46 57 54  
DEWPT 34 37 35 34 43 42 41 40 45 44 43 43 46 45 45 44 49 49  
PWIND DIR NW E SE SE SE SE SE SE SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW SC B1 B2 B1 B2 B2 B2 B1 B2 B2 OV B2 B2 OV B2 B2  
POP 12HR 5 10 30 30 20 40 50 50 40  
RAIN SHWRS S C C C S S C C C C C C C 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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