362  
FOUS54 KMRX 161934  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
234 PM EST SAT DEC 16 2017  
 
TNZ017-170900-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
234 PM EST SAT DEC 16 2017  
 
DATE 12/16/17 SUN 12/17/17 MON 12/18/17 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 28 46 37 57 39  
TEMP 46 39 35 33 31 29 34 42 45 42 41 39 38 38 44 53 56 50 46 44 42 40  
DEWPT 26 25 23 23 22 22 26 28 31 36 37 38 38 38 42 45 44 44 43 41 41 39  
RH 45 57 61 66 69 75 72 57 58 79 85 96100100 93 74 64 80 89 89 96 96  
WIND DIR SW SW S SE SE SE N SW S E SW SW SW S S S SW SW SW SW SW SW  
WIND SPD 9 3 2 1 1 2 2 3 3 2 4 5 3 3 4 4 5 5 6 6 4 3  
CLOUDS FW CL FW FW B1 B2 OV OV OV OV OV B2 B2 B2 B2 B1 SC SC B1 SC B1 B1  
POP 12HR 0 40 30 10 20  
QPF 12HR 0 0.02 0.02 0 0.01  
RAIN SHWRS C C C S S S S S  
 
DATE 12/19 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
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 58 40 52 35 54 36 55 36 49  
TEMP 54 51 45 41 50 45 39 36 50 47 41 37 51 47 41 37 46 43  
DEWPT 46 46 44 40 39 37 35 34 40 38 36 35 43 41 37 37 40 36  
PWIND DIR SW W NE E SE SE SW W NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 B1 SC SC SC SC B1 B2 OV OV OV OV  
POP 12HR 20 20 40 40 10 10 50 40 60  
RAIN SHWRS S S S C C C S C C C C L L  
 

 
 
TNZ071-170900-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
234 PM EST SAT DEC 16 2017  
 
DATE 12/16/17 SUN 12/17/17 MON 12/18/17 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 31 45 40 59 45  
TEMP 48 42 38 36 34 32 36 42 45 43 42 41 41 41 47 55 58 53 50 49 47 46  
DEWPT 28 27 26 25 24 25 28 31 35 39 40 40 41 41 45 48 49 48 47 45 44 43  
RH 46 55 62 64 66 75 72 65 68 86 93 96100100 93 77 72 83 89 86 89 89  
WIND DIR SW SW SW SW E E NE W S W SW SW W SE W W SW SW SW SW SW SW  
WIND SPD 8 4 3 1 2 3 2 2 3 3 2 3 1 1 1 2 4 6 9 9 4 3  
CLOUDS CL FW FW SC B1 B2 OV OV OV OV B2 B2 B2 B2 B2 B1 SC SC SC SC B1 B1  
POP 12HR 0 60 40 10 20  
QPF 12HR 0 0.07 0.07 0 0.01  
RAIN SHWRS L L C C S S S S C  
 
DATE 12/19 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
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 60 45 54 40 57 40 56 38 49  
TEMP 57 54 49 46 52 48 44 41 54 50 44 41 53 49 43 39 47 44  
DEWPT 50 50 47 45 45 43 40 39 46 45 42 40 47 44 41 39 42 39  
PWIND DIR SW NW NE E SW SW SW W N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B2 OV B2 B2 B2 B1 B1 SC SC SC B1 B2 B2 B2 OV B2 OV  
POP 12HR 40 40 50 30 10 20 50 50 60  
RAIN SHWRS C C C C C C C S S C C C C L L  
 

 
 
TNZ036-170900-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
234 PM EST SAT DEC 16 2017  
 
DATE 12/16/17 SUN 12/17/17 MON 12/18/17 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 31 44 39 59 45  
TEMP 47 41 38 35 34 32 36 41 44 42 41 40 40 40 46 55 58 53 50 49 47 46  
DEWPT 28 28 27 27 26 26 29 32 35 39 39 39 39 40 43 46 48 47 45 44 42 42  
RH 47 59 64 72 72 78 75 70 70 89 92 96 96100 89 72 69 80 83 83 83 86  
WIND DIR SW SW SW SW SW E E SW SW W SW SW NW E SW SW SW SW SW SW SW SW  
WIND SPD 5 3 2 1 1 2 1 2 2 2 3 3 1 1 0 2 3 5 6 5 4 2  
CLOUDS FW FW FW SC B1 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC B1 B2  
POP 12HR 0 60 30 10 20  
QPF 12HR 0 0.08 0.04 0 0.01  
RAIN SHWRS S L L C S S S S S C  
 
DATE 12/19 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
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 58 44 53 39 57 41 55 38 47  
TEMP 55 52 48 45 51 47 43 40 53 50 45 42 52 48 42 39 45 43  
DEWPT 49 49 47 43 43 41 39 38 45 45 42 41 46 44 41 38 40 37  
PWIND DIR SW W NE NE S SW SW W N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 OV B2 B2 B2 B1 SC SC SC SC B1 B2 B2 B2 OV B2 OV  
POP 12HR 40 40 50 30 10 20 50 50 60  
RAIN SHWRS C C C C C C C S C C C C L L  
 

 
 
TNZ099-170900-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
234 PM EST SAT DEC 16 2017  
 
DATE 12/16/17 SUN 12/17/17 MON 12/18/17 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 32 47 43 60 49  
TEMP 50 43 39 37 35 33 37 44 47 45 45 44 44 44 49 57 59 55 53 52 51 50  
DEWPT 28 29 28 27 27 28 30 35 38 40 41 40 40 41 44 47 48 48 46 46 45 45  
RH 42 57 64 67 72 82 75 70 71 82 86 86 86 89 83 69 67 77 77 80 80 83  
WIND DIR SE S S S SE SE NE SE SE SW S S NE NE N S S S SW SW SW SW  
WIND SPD 3 3 2 1 1 1 2 3 4 2 3 1 1 1 0 1 2 2 3 3 3 1  
CLOUDS CL FW FW SC B1 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B2  
POP 12HR 10 60 50 20 30  
QPF 12HR 0 0.09 0.05 0.01 0.02  
RAIN SHWRS S C L L C C C C S S S S C C C  
 
DATE 12/19 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
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 60 49 56 42 57 44 57 40 50  
TEMP 58 55 52 49 55 50 46 43 54 52 47 45 54 50 44 41 48 45  
DEWPT 51 53 49 47 45 46 42 41 44 45 44 43 46 45 43 40 42 39  
PWIND DIR SW NW NE N S S S W N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 OV OV OV B2 B2 SC SC SC SC SC B1 B2 OV OV OV OV OV  
POP 12HR 60 60 60 20 10 30 60 60 70  
RAIN SHWRS C L L L L L S S C L L L L L L  
 

 
 
NCZ060-170900-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
234 PM EST SAT DEC 16 2017  
 
DATE 12/16/17 SUN 12/17/17 MON 12/18/17 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 30 50 41 61 42  
TEMP 44 39 36 34 32 31 37 46 49 46 45 43 42 42 48 57 60 53 49 47 45 43  
DEWPT 26 27 24 23 22 22 26 32 35 39 41 41 40 41 45 50 49 48 44 42 40 41  
RH 49 62 61 64 66 69 64 58 58 76 86 93 93 96 89 77 67 83 83 83 82 93  
MAX/MIN RH 69 56 96 67 96  
WIND DIR E S SE SE E SE SE SE SE S SE E E E E S SE S S W W W  
WIND DIR DEG 11 19 15 14 11 13 15 13 13 16 15 10 7 7 9 18 15 17 18 24 26 24  
WIND SPD 3 2 2 1 1 2 2 3 3 5 3 3 3 2 1 1 1 1 1 2 1 1  
CLOUDS FW FW FW SC B1 B2 OV OV OV OV B2 B2 B2 B1 B2 B1 B1 SC SC SC B1 B1  
CLOUDS (%) 6 10 13 46 60 79 91 94 98 90 86 78 74 67 77 61 66 48 42 35 57 69  
VSBY 0 0 0 0 0 0 0 0  
POP 12HR 0 60 50 20 20  
QPF 12HR 0 0.05 0.11 0.02 0.02  
RAIN SHWRS C L C C C C S S S S S S S S C  
HAINES 3 4  
LAL 1 1 1 1 1 1 1 1 1 1 1  
MAX MIX HGT 2000 3300  
AGL MIX HGT 300 1600  
MAX VENT RT 2800 5500  
T WIND DIR SE SW  
T WIND SPD 9 3  
ADI 2 5  
MAX LVORI 3 7  
STABILITY B G F B C F F B B G F  
CEILING 23500 14800 8900 5500 2400 2400 2400 15900 20800 20800 2400  
STA PRES 28.11 28.12 28.08 28.12 28.11 28.11 28.10 28.09 28.09 28.07 28.05  
 
DATE 12/19 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
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 62 45 56 41 58 40 56 41 53  
TEMP 58 55 49 46 54 50 45 42 55 51 45 41 53 50 45 42 51 48  
DEWPT 51 51 46 45 47 46 42 41 46 43 40 40 47 45 42 41 45 43  
PWIND DIR W NW E SE S SE S W NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 OV OV OV B2 B2 B1 B1 B1 SC SC B1 B2 OV OV OV OV OV  
POP 12HR 60 50 60 40 10 20 60 60 60  
RAIN SHWRS C L C C L L C S S L L L L L L  
 
THIS IS AN EXPERIMENTAL PRODUCT FOR PLANNING AND REVIEW PURPOSES ONLY, AND IS  
NOT TO BE SUBSTITUTED FOR AN OFFICIAL FIRE WEATHER SPOT FORECAST  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page Main Text Page