284  
FOUS54 KMRX 191930  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
330 PM EDT FRI APR 19 2019  
 
TNZ017-200900-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
330 PM EDT FRI APR 19 2019  
 
DATE 04/19/19 SAT 04/20/19 SUN 04/21/19 MON  
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 43 49 38 62 43  
TEMP 66 64 57 49 44 43 49 47 44 44 41 40 38 39 51 58 61 57 52 48 45 45  
DEWPT 59 56 51 44 40 39 38 39 39 38 38 37 37 38 39 39 41 39 40 38 37 41  
RH 78 75 80 83 86 86 66 74 82 79 89 89 96 96 63 49 48 51 63 68 73 86  
WIND DIR SE SE SW W W S S S SW SW SW SW SW W W W W W W SW S SW  
WIND SPD 8 11 11 10 6 5 10 6 6 8 6 5 5 5 6 8 8 5 2 1 1 2  
CLOUDS OV B2 OV B2 B2 OV OV OV OV OV OV OV B2 B2 B1 SC SC SC FW FW FW FW  
POP 12HR 60 70 50 10 0  
QPF 12HR 0.17 0.18 0.04 0 0  
RAIN SHWRS L L L L L L L L L C C C S  
TSTMS S S  
 
DATE 04/22 TUE 04/23/19 WED 04/24/19 THU 04/25/19 FRI 04/26/19  
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 76 50 79 55 75 53 75 54 76  
TEMP 71 70 57 51 74 73 61 56 72 70 59 54 71 70 59 55 72 70  
DEWPT 47 50 46 49 52 52 52 53 52 53 51 52 53 54 53 51 52 53  
PWIND DIR SW SW SW W W W SW S S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC SC SC FW SC SC B1 B2 B2 B2 B1 B1 B1 B1 B1 B1  
POP 12HR 5 5 10 20 30 30 30 20 40  
RAIN SHWRS S S C C C C C C S S C C  
TSTMS C C C C  
 

 
 
TNZ071-200900-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
330 PM EDT FRI APR 19 2019  
 
DATE 04/19/19 SAT 04/20/19 SUN 04/21/19 MON  
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 42 51 40 69 48  
TEMP 63 57 50 46 44 42 44 47 49 51 49 45 42 41 56 64 68 64 57 53 51 50  
DEWPT 58 52 46 42 40 39 39 39 39 40 39 40 39 40 41 39 41 41 40 41 40 44  
RH 84 83 86 86 86 89 82 74 68 66 68 82 89 96 57 40 37 43 53 64 66 80  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW W W W W S S SE E  
WIND SPD 11 14 14 12 12 10 9 11 11 10 10 9 5 5 6 8 6 5 3 2 3 3  
CLOUDS OV B2 B2 OV OV OV OV OV OV B2 B2 B1 FW FW FW FW FW FW FW FW FW FW  
POP 12HR 70 70 30 5 0  
QPF 12HR 0.11 0.16 0.01 0 0  
RAIN SHWRS L L L L L L L L C C C  
TSTMS S S  
 
DATE 04/22 TUE 04/23/19 WED 04/24/19 THU 04/25/19 FRI 04/26/19  
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 78 54 80 58 78 57 77 58 76  
TEMP 73 72 60 55 76 75 64 59 75 73 62 58 74 72 63 59 73 71  
DEWPT 51 52 50 51 54 53 54 54 54 55 55 55 58 57 56 54 57 54  
PWIND DIR SW SW SW SW W W W SW S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC FW FW FW FW SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B2  
POP 12HR 5 5 10 10 30 30 30 20 30  
RAIN SHWRS C C C C C C S S C C  
TSTMS C C C C  
 

 
 
TNZ036-200900-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
330 PM EDT FRI APR 19 2019  
 
DATE 04/19/19 SAT 04/20/19 SUN 04/21/19 MON  
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 42 51 40 71 48  
TEMP 64 58 51 45 44 42 44 48 51 51 47 44 42 42 57 66 70 65 58 54 51 50  
DEWPT 58 51 44 42 40 39 39 39 39 39 38 39 38 39 41 40 42 40 42 43 41 45  
RH 81 77 77 89 86 89 82 71 63 63 71 82 86 89 55 38 36 40 55 66 68 83  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW W W W W W S SE W  
WIND SPD 9 10 11 11 10 9 8 9 10 8 8 6 4 2 3 5 4 3 1 1 1 1  
CLOUDS OV OV B2 OV OV OV OV OV OV B2 B2 B1 FW FW FW FW FW FW FW FW FW FW  
POP 12HR 70 70 30 5 0  
QPF 12HR 0.16 0.16 0.01 0 0  
RAIN SHWRS L L L L L L L L C C C  
TSTMS S S  
 
DATE 04/22 TUE 04/23/19 WED 04/24/19 THU 04/25/19 FRI 04/26/19  
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 79 55 80 58 78 57 77 57 76  
TEMP 74 73 61 56 76 75 64 59 75 73 62 58 74 72 62 58 73 71  
DEWPT 51 52 50 51 54 54 54 55 55 55 54 55 57 57 55 55 58 54  
PWIND DIR SW SW SW SW W W W NW S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC FW FW FW FW SC B1 B2 B2 B1 B1 B1 SC B1 B1 B2  
POP 12HR 5 5 10 20 30 30 30 20 40  
RAIN SHWRS S C C C C C C S S C C  
TSTMS C C C C  
 

 
 
TNZ099-200900-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
330 PM EDT FRI APR 19 2019  
 
DATE 04/19/19 SAT 04/20/19 SUN 04/21/19 MON  
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 42 54 41 72 50  
TEMP 56 52 47 45 43 42 47 50 51 54 49 46 42 43 58 67 71 67 60 56 53 52  
DEWPT 50 45 42 41 40 39 38 39 39 40 41 40 37 38 41 41 42 46 46 46 46 47  
RH 80 77 83 86 89 89 71 66 63 59 74 79 82 82 53 39 35 47 60 69 77 83  
WIND DIR W W SW SW SW SW W W W W SW SW W W W W W W W SW SE SE  
WIND SPD 12 11 10 9 11 9 9 10 9 8 4 3 3 2 4 6 5 4 2 1 1 1  
CLOUDS OV B2 OV OV OV OV OV B2 B2 SC SC SC CL FW FW FW CL FW CL CL CL FW  
POP 12HR 70 60 10 5 0  
QPF 12HR 0.09 0.06 0 0 0  
RAIN SHWRS L L L L L L L C C  
 
DATE 04/22 TUE 04/23/19 WED 04/24/19 THU 04/25/19 FRI 04/26/19  
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 80 55 81 59 80 59 79 59 77  
TEMP 75 74 62 56 77 76 65 60 77 75 64 60 76 74 64 60 74 72  
DEWPT 52 53 52 52 54 54 54 55 55 57 56 57 58 57 57 56 58 59  
PWIND DIR S SW SW SW W NW W NW SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC FW FW FW FW SC SC B1 B1 B1 B2 B1 B1 B2 B2 B2  
POP 12HR 5 5 10 10 30 20 30 20 40  
RAIN SHWRS C C S S C C S S C C  
TSTMS C C C C  
 

 
 
NCZ060-200900-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
330 PM EDT FRI APR 19 2019  
 
DATE 04/19/19 SAT 04/20/19 SUN 04/21/19 MON  
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 40 50 38 69 44  
TEMP 62 54 45 43 40 41 43 48 50 48 45 43 40 40 55 64 68 63 55 51 47 46  
DEWPT 56 48 42 40 39 38 39 39 39 39 38 38 37 37 41 37 38 41 39 40 38 42  
RH 81 80 89 89 96 89 86 71 66 71 76 82 89 89 59 37 33 44 55 66 71 86  
MAX/MIN RH 96 66 96 33 86  
WIND DIR SW SW SW SW S SW SW SW W W W W W NW NW NW NW NW NW NE NE N  
WIND DIR DEG 21 22 22 20 19 20 22 23 25 25 26 27 25 29 30 29 29 29 32 3 3 2  
WIND SPD 9 11 10 10 11 10 6 9 9 8 8 5 3 3 6 9 8 4 2 2 2 1  
CLOUDS OV B2 B2 OV OV OV OV OV B2 B2 B1 SC FW FW FW FW FW FW CL CL CL FW  
CLOUDS (%) 92 87 87 93 93 95 95 89 87 83 63 42 9 23 8 14 6 9 5 5 3 11  
VSBY 10 10 10 10 10 8 4 4  
POP 12HR 60 70 30 0 0  
QPF 12HR 0.09 0.16 0.02 0 0  
RAIN SHWRS L L L L L L L C C C C S S  
TSTMS S  
HAINES 3 5  
LAL 2 1 1 1 1 1 1 1 1 1 1  
MAX MIX HGT 6100 5500  
AGL MIX HGT 4400 3800  
MAX VENT RT 101800 61300  
T WIND DIR W NW  
T WIND SPD 23 16  
ADI 89 53  
MAX LVORI 4 4  
STABILITY C D D C C F G B A G G  
CEILING 2400 2400 2400 2400 2400 3200 NONE 23500 NONE 23500 NONE  
STA PRES 27.42 27.50 27.52 27.63 27.72 27.79 27.88 27.98 28.00 28.05 28.08  
 
DATE 04/22 TUE 04/23/19 WED 04/24/19 THU 04/25/19 FRI 04/26/19  
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 79 51 80 53 79 54 77 54 76  
TEMP 73 72 58 52 75 73 60 54 75 73 61 55 73 71 60 55 72 70  
DEWPT 50 52 47 49 53 52 50 51 52 54 52 54 56 55 53 53 55 56  
PWIND DIR NW S SW W W NW W SW S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC SC FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B2 B2  
POP 12HR 5 5 10 10 30 30 30 20 40  
RAIN SHWRS C C C C C C S S C C  
TSTMS 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  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

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