333  
FOUS54 KMRX 210138  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
938 PM EDT MON AUG 20 2018  
 
TNZ017-210900-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
938 PM EDT MON AUG 20 2018  
 
DATE 08/20/18 TUE 08/21/18 WED 08/22/18 THU  
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 69 83 67 79 58  
TEMP 75 72 71 70 77 81 82 78 73 70 68 68 74 78 78 73 66 63 61 60  
DEWPT 69 68 67 68 70 70 70 68 68 67 67 67 67 66 66 63 64 60 59 58  
RH 82 87 87 93 79 69 67 71 84 90 97 97 79 67 67 71 93 90 93 93  
WIND DIR S S SE SE SW SW SW SW SW W W W W W W NW N N N NE  
WIND SPD 3 2 1 3 8 10 12 8 5 4 4 5 6 8 6 6 3 3 2 3  
CLOUDS B1 B1 OV OV B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 SC B1 B1 SC SC  
POP 12HR 20 60 50 30 10  
QPF 12HR 0.02 0.24 0.07 0.03 0  
RAIN SHWRS S S S S L L L C C C C C C S S  
TSTMS S S S S S S  
 
DATE 08/23 FRI 08/24/18 SAT 08/25/18 SUN 08/26/18 MON 08/27/18  
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 55 81 59 83 64 86 66 87  
TEMP 76 71 60 57 78 75 64 61 80 77 68 66 84 80 70 68 85 81  
DEWPT 55 55 54 54 58 60 59 58 62 66 65 65 68 68 67 67 69 69  
PWIND DIR NE E SE SE S SE SW S W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW FW CL FW FW FW FW SC SC B1 SC SC SC SC SC SC SC  
POP 12HR 0 0 5 5 10 10 40 10 30  
RAIN SHWRS C C C  
TSTMS C C C  
 

 
 
TNZ071-210900-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
938 PM EDT MON AUG 20 2018  
 
DATE 08/20/18 TUE 08/21/18 WED 08/22/18 THU  
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 72 84 68 82 63  
TEMP 76 75 73 73 79 83 83 79 74 72 70 69 76 80 81 76 70 67 65 64  
DEWPT 71 71 70 70 71 72 70 70 70 69 68 68 68 68 66 65 65 63 62 60  
RH 85 87 90 90 77 70 65 74 87 90 93 97 76 67 60 69 84 87 90 87  
WIND DIR SW SW SW S SW SW SW SW SW SW SW W W NW NW NW N N NE NE  
WIND SPD 5 6 8 8 11 13 12 10 5 4 4 5 4 5 6 6 4 3 4 5  
CLOUDS SC B1 OV OV B2 B1 B1 B1 B1 B1 B2 B1 B2 B1 B1 SC SC B1 SC FW  
POP 12HR 30 60 50 20 5  
QPF 12HR 0.04 0.17 0.02 0.01 0  
RAIN SHWRS S S S C L L L C C C C S S  
TSTMS S S S S S S  
 
DATE 08/23 FRI 08/24/18 SAT 08/25/18 SUN 08/26/18 MON 08/27/18  
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 60 85 65 86 68 88 69 88  
TEMP 78 74 64 62 82 79 69 67 84 81 72 70 86 82 73 71 86 83  
DEWPT 57 57 59 59 63 63 63 63 66 68 68 67 69 70 69 68 70 71  
PWIND DIR NE NE SE S SW S SW S SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW CL CL FW FW FW SC SC SC B1 SC SC SC SC SC SC SC SC  
POP 12HR 5 5 5 10 20 5 30 10 30  
RAIN SHWRS S C C C  
TSTMS C C C  
 

 
 
TNZ036-210900-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
938 PM EDT MON AUG 20 2018  
 
DATE 08/20/18 TUE 08/21/18 WED 08/22/18 THU  
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 72 84 68 82 61  
TEMP 77 75 74 73 79 83 83 79 74 71 69 69 75 80 80 75 68 65 63 62  
DEWPT 72 72 71 71 72 72 71 70 70 69 67 68 69 68 66 65 66 63 61 59  
RH 85 90 90 93 79 70 67 74 87 93 93 97 82 67 62 71 93 93 93 90  
WIND DIR SW SW SW S S SW SW W W W SW W W NW NW NW N N N NE  
WIND SPD 4 4 5 8 9 12 11 6 3 2 2 3 3 5 5 4 4 3 4 3  
CLOUDS SC B1 OV OV B2 B2 B1 B1 SC B1 B1 B1 B1 SC SC SC SC B1 SC FW  
POP 12HR 30 60 40 20 5  
QPF 12HR 0.06 0.20 0.02 0.01 0  
RAIN SHWRS S S S C L L C C C S S S  
TSTMS S S S S S S  
 
DATE 08/23 FRI 08/24/18 SAT 08/25/18 SUN 08/26/18 MON 08/27/18  
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 81 60 85 65 86 68 88 69 89  
TEMP 79 75 65 62 82 79 69 67 84 81 72 70 86 82 73 71 87 83  
DEWPT 57 59 58 59 64 64 64 64 67 68 69 68 71 71 69 69 72 72  
PWIND DIR NE NE SE S S S S S SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW CL CL CL FW FW SC SC SC B1 SC SC SC SC SC SC SC SC  
POP 12HR 5 0 5 10 20 10 30 10 30  
RAIN SHWRS S C C C  
TSTMS C C C  
 

 
 
TNZ099-210900-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
938 PM EDT MON AUG 20 2018  
 
DATE 08/20/18 TUE 08/21/18 WED 08/22/18 THU  
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 73 86 68 84 65  
TEMP 77 75 74 74 80 85 85 81 75 72 70 69 77 82 83 78 72 69 67 66  
DEWPT 72 72 71 71 71 70 69 69 69 68 67 67 67 67 65 65 66 65 63 60  
RH 85 90 90 90 74 61 59 67 82 87 90 93 71 61 55 64 81 87 87 81  
WIND DIR S S S S S SW SW W W NW W NW NW N N N N N N N  
WIND SPD 6 5 6 8 8 10 10 6 3 2 2 3 4 6 6 6 5 4 5 5  
CLOUDS SC B1 OV OV OV B2 B1 SC SC SC SC B1 SC B1 SC SC SC SC SC FW  
POP 12HR 40 60 20 10 5  
QPF 12HR 0.05 0.08 0.01 0 0  
RAIN SHWRS S S S C L L C S  
TSTMS S S S S  
 
DATE 08/23 FRI 08/24/18 SAT 08/25/18 SUN 08/26/18 MON 08/27/18  
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 83 63 85 68 87 69 89 71 90  
TEMP 81 77 67 65 83 80 72 70 85 82 73 71 87 84 75 73 88 84  
DEWPT 58 59 58 60 63 65 64 65 67 68 68 68 69 69 69 69 70 70  
PWIND DIR NE NE SE S S S SE SE SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW CL FW SC SC SC SC SC B1 SC SC SC SC SC SC SC SC  
POP 12HR 5 5 10 10 20 5 30 5 30  
RAIN SHWRS S S C C C  
TSTMS C C C  
 

 
 
NCZ060-210900-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
938 PM EDT MON AUG 20 2018  
 
DATE 08/20/18 TUE 08/21/18 WED 08/22/18 THU  
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 70 80 64 81 59  
TEMP 74 73 71 71 76 79 79 75 70 67 65 65 73 79 80 75 67 64 62 61  
DEWPT 70 70 69 69 71 71 70 70 68 67 65 65 68 67 67 66 64 62 60 59  
RH 87 90 93 93 85 77 74 84 93100100100 84 67 65 74 90 93 93 93  
MAX/MIN RH 93 74 100 65 97  
WIND DIR S S S S S SW SW W W NW NW NW NW NW NW N N N N NE  
WIND DIR DEG 17 17 18 18 19 21 22 24 26 29 29 29 30 30 31 33 34 0 0 3  
WIND SPD 3 3 4 5 5 8 9 4 2 2 2 2 3 5 8 5 4 3 3 2  
CLOUDS SC B1 OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC  
CLOUDS (%) 28 69 89 93 86 78 66 64 62 54 60 67 60 54 40 31 37 46 39 26  
VSBY 5 5 3 2 10 10  
POP 12HR 30 60 30 20 5  
QPF 12HR 0.02 0.15 0.02 0.01 0  
RAIN SHWRS S S S C L L L C C C S S  
TSTMS S S S S S S  
HAINES 3 3  
LAL 1 2 2 2 2 1 1 1 1 1  
MAX MIX HGT 5900 6100  
AGL MIX HGT 4200 4400  
MAX VENT RT 62700 56200  
T WIND DIR SW NW  
T WIND SPD 14 12  
ADI 55 49  
MAX LVORI 4 4  
STABILITY F D B B F F B B G G  
CEILING 3200 1700 4000 4700 4000 1700 3200 23500 1700 1700  
STA PRES 27.96 27.94 27.92 27.91 27.93 27.93 27.97 27.95 27.97 27.98  
 
DATE 08/23 FRI 08/24/18 SAT 08/25/18 SUN 08/26/18 MON 08/27/18  
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 81 58 82 61 84 64 87 65 87  
TEMP 79 74 63 60 79 76 66 63 81 78 68 66 84 81 70 67 85 81  
DEWPT 61 62 61 58 61 64 61 61 66 69 66 65 68 70 66 65 69 70  
PWIND DIR N E SE SE SE SE S SE W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW FW FW SC SC FW FW SC B1 SC SC SC SC SC SC SC SC  
POP 12HR 5 5 10 10 20 5 40 10 30  
RAIN SHWRS S S C C C  
TSTMS 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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