602  
FOUS54 KMRX 111908  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
308 PM EDT SUN APR 11 2021  
 
TNZ017-120900-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
308 PM EDT SUN APR 11 2021  
 
DATE 04/11/21 MON 04/12/21 TUE 04/13/21 WED  
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 45 71 46 69 47  
TEMP 68 63 56 51 48 46 59 67 70 65 56 51 48 48 61 68 69 63 55 51 48 48  
DEWPT 40 40 41 41 40 41 43 43 41 43 43 43 43 44 43 43 43 43 44 45 45 45  
RH 36 43 57 68 74 83 55 42 35 45 62 74 83 86 51 40 39 48 66 80 89 89  
WIND DIR W SW W W W W W W W W W W W W W W W W SW SE E E  
WIND SPD 16 10 5 6 6 6 11 14 14 6 4 2 1 1 4 6 5 4 3 2 2 2  
WIND GUST 29 21 25 27  
CLOUDS FW FW FW FW FW FW FW CL FW FW FW FW FW SC SC SC SC SC SC SC SC B1  
POP 12HR 0 5 5 20 20  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S S S S S S S S S S C  
TSTMS S S S S S  
 
DATE 04/14 THU 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21  
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 64 42 61 38 64 43 62 44 63  
TEMP 64 57 49 42 58 56 42 40 61 58 45 44 61 58 48 45 60 57  
DEWPT 45 44 44 38 34 33 35 36 38 38 39 40 42 41 42 41 41 38  
PWIND DIR NW W NW NW W NE SW W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B2 B1 SC SC FW FW SC SC SC B1 B1 B2 B1 B1 B1 B1  
POP 12HR 40 30 10 5 10 10 40 30 30  
RAIN SHWRS C C C C C C C C C C  
TSTMS S S  
 

 
 
TNZ071-120900-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
308 PM EDT SUN APR 11 2021  
 
DATE 04/11/21 MON 04/12/21 TUE 04/13/21 WED  
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 50 76 51 72 51  
TEMP 70 66 59 55 53 51 64 72 75 70 62 57 52 52 64 71 72 66 59 55 52 52  
DEWPT 41 41 43 42 42 43 46 47 45 47 46 46 46 46 46 46 46 47 47 47 47 47  
RH 35 40 55 61 66 74 52 41 34 44 56 67 80 80 52 41 39 50 64 74 83 83  
WIND DIR SW W SW SW SW SW SW W W W SW S SE NE N NW N N N NE NE NE  
WIND SPD 17 11 5 6 6 6 10 12 14 5 3 2 2 2 4 5 5 4 3 2 2 2  
WIND GUST 29  
CLOUDS FW FW FW CL FW CL CL FW FW FW FW SC SC SC SC B1 B1 SC SC SC SC B1  
POP 12HR 0 5 0 20 10  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S S C  
TSTMS S  
 
DATE 04/14 THU 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21  
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 67 45 64 42 67 47 64 47 65  
TEMP 67 60 52 46 61 58 46 43 65 62 49 48 62 61 51 48 63 59  
DEWPT 47 46 45 41 37 36 37 38 41 41 42 44 46 44 44 43 42 39  
PWIND DIR NW N N N N NE NW W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC SC SC FW FW SC SC B2 B2 B2 B2 B1 SC SC SC  
POP 12HR 40 20 10 5 10 20 40 30 20  
RAIN SHWRS C C S S S S C C C C S S  
TSTMS S S  
 

 
 
TNZ036-120900-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
308 PM EDT SUN APR 11 2021  
 
DATE 04/11/21 MON 04/12/21 TUE 04/13/21 WED  
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 47 76 50 72 51  
TEMP 72 67 59 54 50 48 63 71 75 68 59 55 51 52 64 71 72 66 59 55 53 52  
DEWPT 40 40 41 41 41 43 46 45 44 45 45 45 45 45 46 47 47 46 46 46 46 46  
RH 31 37 51 61 71 83 54 39 33 43 60 69 80 77 52 42 41 48 62 72 77 80  
WIND DIR W W SW SW SW SW SW W W W NW NW N NE N NW N N N N NE NE  
WIND SPD 14 9 4 4 4 4 8 10 12 5 3 2 2 2 2 2 2 3 2 2 2 2  
WIND GUST 25  
CLOUDS CL FW CL CL FW CL CL FW FW FW FW SC SC SC SC SC SC SC SC SC SC B1  
POP 12HR 0 5 0 20 20  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S S S S S S C  
TSTMS S  
 
DATE 04/14 THU 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21  
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 66 43 65 42 68 47 65 46 66  
TEMP 66 59 48 44 62 58 46 43 66 62 49 48 64 60 49 47 65 60  
DEWPT 47 45 43 38 37 35 37 38 40 41 41 43 46 43 43 42 42 39  
PWIND DIR NW N N N N N NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC FW FW FW FW SC SC B1 B2 B2 B1 B1 SC SC SC  
POP 12HR 40 20 10 5 10 20 40 20 20  
RAIN SHWRS C C S S S S C C S S S S  
TSTMS S S  
 

 
 
TNZ099-120900-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
308 PM EDT SUN APR 11 2021  
 
DATE 04/11/21 MON 04/12/21 TUE 04/13/21 WED  
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 51 80 53 76 54  
TEMP 73 68 61 57 54 52 67 75 79 74 65 59 55 54 67 73 76 71 63 59 56 55  
DEWPT 41 42 44 44 44 44 47 48 48 50 50 50 49 48 48 49 50 51 51 50 50 49  
RH 31 39 53 62 69 74 49 38 34 43 58 72 80 80 50 43 40 49 65 72 80 80  
WIND DIR W W SW SW SW SW W W W W NW N N N N N N NE NE N N N  
WIND SPD 14 8 3 3 3 3 9 12 13 4 2 1 1 2 3 4 4 3 2 1 1 2  
WIND GUST 25  
CLOUDS FW FW CL CL CL CL CL FW CL FW FW SC SC SC SC B1 B1 SC SC SC SC B1  
POP 12HR 0 0 0 20 10  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S S C  
TSTMS S  
 
DATE 04/14 THU 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21  
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 71 47 67 44 69 50 66 49 68  
TEMP 71 66 55 47 65 63 48 45 67 65 53 51 64 63 53 50 66 62  
DEWPT 50 49 46 41 37 37 39 41 41 43 45 47 46 46 46 45 42 42  
PWIND DIR NW N N N N N NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC FW FW FW SC SC B1 B2 B2 B2 B1 B1 SC SC SC  
POP 12HR 40 20 10 10 10 30 40 20 20  
RAIN SHWRS C C S S C C C C S S S S  
TSTMS S S  
 

 
 
NCZ060-120900-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
308 PM EDT SUN APR 11 2021  
 
DATE 04/11/21 MON 04/12/21 TUE 04/13/21 WED  
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 46 75 47 74 49  
TEMP 70 65 57 53 49 47 62 70 74 68 58 53 49 48 65 73 74 68 58 54 51 50  
DEWPT 38 40 42 41 41 42 46 46 45 46 46 46 45 44 46 47 48 48 47 47 47 47  
RH 31 40 57 64 74 83 56 42 35 45 64 77 86 86 50 40 40 49 67 77 86 89  
MAX/MIN RH 83 35 89 38 93  
WIND DIR W W W W W W W W W W NW NW N NE N NW NW NW NE E E E  
WIND DIR DEG 25 25 26 27 26 27 26 27 27 28 30 32 2 6 0 29 31 32 3 9 10 11  
WIND SPD 11 5 1 1 2 2 8 11 12 3 2 1 1 1 2 3 3 2 1 1 1 1  
CLOUDS CL FW FW CL CL CL CL CL CL FW FW FW FW SC SC B1 B1 SC SC SC SC B1  
CLOUDS (%) 5 6 12 1 5 3 2 5 5 13 13 25 25 40 40 58 58 40 40 33 33 52  
VSBY 10 10 10 10 10 10 10 10 10  
POP 12HR 0 0 0 20 10  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S S C  
TSTMS S  
HAINES 3 4  
LAL 1 1 1 1 1 1 1 1 1 1 2  
MAX MIX HGT 7700 4500  
AGL MIX HGT 6000 2800  
MAX VENT RT 137800 26000  
T WIND DIR NW NW  
T WIND SPD 23 9  
ADI 120 23  
MAX LVORI 3 4  
STABILITY B G G B A G G B A G F  
CEILING 6300 NONE 6300 5500 5500 14800 5500 5500 8000 7200 11700  
STA PRES 27.58 27.64 27.70 27.74 27.79 27.86 27.91 27.93 27.92 27.91 27.88  
 
DATE 04/14 THU 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21  
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 71 42 65 39 68 44 64 44 65  
TEMP 71 62 49 42 62 58 44 40 66 60 47 46 62 59 50 45 63 59  
DEWPT 48 47 46 39 36 34 36 36 39 39 41 43 44 43 43 42 41 39  
PWIND DIR SW NW NW N NW NE W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC SC FW FW FW SC SC B1 B2 B2 B2 B1 SC SC SC  
POP 12HR 40 20 10 5 10 20 40 30 20  
RAIN SHWRS C C S S S S C C C C 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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