828
FOUS54 KMRX 210627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 AM EDT THU MAY 21 2026
TNZ017-212000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 61 79 61 80
TEMP 64 64 72 75 74 72 67 65 63 63 71 75 77 75 67 65 63 62 71 76 79 76
DEWPT 63 64 67 68 67 66 65 64 62 63 66 67 67 65 63 62 61 62 67 69 69 68
RH 97100 84 79 79 81 93 97 97100 84 76 71 71 87 90 93100 87 79 72 76
WIND DIR NE NE W NW N E E E E E SE SE SE SE SE SE SE SE S S SW S
WIND SPD 0 0 1 2 2 2 1 2 2 3 5 6 6 8 6 4 3 4 5 9 6 3
CLOUDS B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 90 50 90 90 90
QPF 12HR 0.32 0.04 0.13 0.16 0.25
RAIN SHWRS S C D D C S C S C C D D D D D D D D D D C
TSTMS S C C C S S C C S S S S C C S
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 60 83 62 82 61 83 61 82
TEMP 63 63 81 78 66 64 79 77 66 63 80 78 66 63 79 77
DEWPT 63 63 70 67 63 64 69 68 64 63 69 68 65 63 69 67
PWIND DIR SE SW S SW S W SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 40 80 40 100 40 90 40 90
RAIN SHWRS C C D C C L D C C L D C C L D
TSTMS S C C S C C S C S S C
TNZ071-212000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 65 82 65 81
TEMP 68 67 72 76 77 74 70 69 67 67 73 79 80 77 71 69 67 66 73 78 80 78
DEWPT 66 65 69 71 70 70 68 66 65 65 69 72 72 71 68 66 65 66 70 72 71 71
RH 93 93 90 85 79 87 93 90 93 93 87 79 77 82 90 90 93100 90 82 74 79
WIND DIR N N W S N E NE NE NE NE SE S S S S S S SW SW SW SW SW
WIND SPD 0 0 1 1 2 3 2 1 1 1 2 3 4 4 3 3 3 4 8 9 8 3
CLOUDS B2 OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 OV B2 B2 OV B2 B2 B2 B1 B1
POP 12HR 100 60 90 100 90
QPF 12HR 0.33 0.03 0.44 0.71 0.30
RAIN SHWRS S D L L C C C S C C D D D D D D D D D D D L
TSTMS S C C C S S C C C S S S C C S
HEAT INDEX 84 83
MAX HEAT 85 83
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 64 84 65 83 65 83 65 84
TEMP 67 66 82 79 70 67 81 78 69 67 81 79 70 67 81 80
DEWPT 65 66 73 70 65 66 72 70 65 66 72 70 66 65 71 69
PWIND DIR S SW SW SW S SW SE SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1
POP 12HR 60 90 70 90 70 90 60 80
RAIN SHWRS L C C D L L L D L L L D L C L D
TSTMS S S C C S C C S C S S C
TNZ036-212000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 63 80 63 80
TEMP 67 65 71 76 76 73 69 67 65 65 72 78 78 74 70 68 66 64 71 77 79 76
DEWPT 66 65 69 71 71 70 68 65 64 65 69 72 72 71 68 66 65 64 70 73 73 72
RH 97100 93 85 85 90 97 93 97100 90 82 82 90 93 93 97100 97 87 82 87
WIND DIR NE SW SE S S E E NE NE NE SE S SW S S S S SW S SW SW SW
WIND SPD 1 1 1 1 2 2 2 1 1 1 1 4 4 2 3 2 4 5 8 9 6 2
CLOUDS OV OV OV B2 OV B1 B1 B2 B2 OV OV B2 B2 OV B2 OV OV B2 B2 B2 B1 B1
POP 12HR 100 70 100 100 90
QPF 12HR 0.27 0.04 0.57 0.77 0.25
RAIN SHWRS C D D L C C C S C C L D D D D D D D D D D L
TSTMS S S C C S S C C C S S S C C S
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 63 83 64 82 64 82 64 83
TEMP 67 64 80 77 68 66 80 77 68 66 80 78 68 66 81 78
DEWPT 65 64 73 71 65 66 73 70 65 66 73 71 66 66 72 70
PWIND DIR SW SW SW SW SW SW S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1
POP 12HR 60 90 70 90 80 90 60 80
RAIN SHWRS L C C D L L D D D L L D L C L D
TSTMS S S C C S S C C S C S S C
TNZ099-212000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 65 81 66 82
TEMP 68 67 73 77 78 75 70 68 67 67 73 77 79 76 70 69 68 67 73 79 81 78
DEWPT 66 66 69 72 72 71 69 67 65 65 69 73 73 71 69 67 66 66 70 73 73 72
RH 93 97 87 85 82 87 97 97 93 93 87 87 82 85 97 93 93 97 90 82 77 82
WIND DIR N N E NW S SE N N N S S S S S S S S S S S S S
WIND SPD 0 0 1 2 2 1 0 0 0 3 8 10 9 6 6 6 6 5 6 6 5 3
WIND GUST 17 18 17
CLOUDS OV OV B2 OV B2 B1 B1 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR 90 80 90 100 90
QPF 12HR 0.23 0.15 0.46 0.58 0.20
RAIN SHWRS D D D C L C C C L C L D D D D D D D D L L C
TSTMS S S C C C S S S S C C C C C C C C C S
HEAT INDEX 86
MAX HEAT 84 86
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 65 83 66 83 66 84 66 85
TEMP 67 67 81 78 69 68 81 78 69 68 81 79 69 68 83 80
DEWPT 67 66 74 71 66 67 72 70 67 66 73 70 67 66 71 70
PWIND DIR S S S S S S SE S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B2 B1
POP 12HR 60 90 80 90 80 80 50 60
RAIN SHWRS C L C D D L L D D C C D C C L L
TSTMS S S C C S C C S C S S C
NCZ060-212000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 62 80 62 80
TEMP 64 64 72 76 76 73 67 64 64 63 71 77 77 73 67 65 64 63 70 76 78 75
DEWPT 62 63 68 69 68 67 65 64 62 63 67 68 67 66 66 64 63 63 68 70 68 68
RH 93 97 87 79 76 81 93100 93100 87 74 71 79 97 97 97100 93 82 71 79
MIN/MAX RH 74 100 67 100 71
WIND DIR N N N W N SE N E E SE SE SE SE SE SE SE SE SE S S S S
WIND DIR DEG 0 0 0 24 0 12 0 11 11 12 14 15 15 14 14 14 14 15 17 18 18 16
WIND SPD 0 0 0 1 0 1 0 1 2 3 5 8 6 6 5 5 3 2 3 4 3 1
WIND GUST 13 16 17 16 16
CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 OV OV B2 B1 B2 B2 B2 B2 OV B2 B2 B2 B1 B1
CLOUDS (%) 84 81 85 87 83 83 66 61 90 89 75 65 76 72 76 85 88 81 82 71 64 68
VSBY 7 5 10 6 9 10 9 7 6 7 4 4
POP 12HR 90 80 90 100 100
QPF 12HR 0.51 0.13 0.20 1.00 0.36
RAIN SHWRS C L C D C C S C L C D D D D D D D D D D D C
TSTMS S C L C S C C C C S S S C C C S
CHANCETHUNDER 60 20 50 30 40
MAX MIX HGT
AGL MIX HGT 2400 3800 2500
MAX VENT RT 11800 52600 27900
T WIND DIR S S S
T WIND SPD 4 12 10
ADI 12 53 28
MAX LVORI 9 9 9
STABILITY D B B F D B B D D B B
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.96 27.95 27.92 27.91 27.95 27.94 27.92 27.95 27.97 27.98 27.97
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 62 82 63 82 62 83 62 84
TEMP 64 64 79 76 65 65 79 76 65 64 80 76 65 64 80 77
DEWPT 64 64 71 67 64 65 70 66 65 64 70 67 64 64 69 66
PWIND DIR SE S SE S SE S N SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 B1 B2 B1
POP 12HR 50 90 70 90 70 90 40 70
RAIN SHWRS C C C D L C L D L C C D C C C L
TSTMS S S C C S C C S C S S 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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