Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN

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FOUS54 KMRX 200116 AAA
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POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
916 PM EDT SUN MAY 19 2013

TNZ017-200915-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N  82.41W ELEV. 1536 FT
916 PM EDT SUN MAY 19 2013

DATE           05/19/13      MON 05/20/13            TUE 05/21/13            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                      61          82          61          85          62
TEMP                68 65 63 64 74 80 81 77 70 66 63 64 75 82 84 80 72 67 64 65
DEWPT               62 61 61 61 62 63 63 63 63 62 62 62 63 63 63 63 62 61 62 63
RH                  81 87 93 90 66 56 54 62 78 87 97 93 66 53 49 56 71 81 93 93
WIND DIR             S SE SE SE  W SW SW  S  S  S SE  E  W SW  S  S  S  S  S  S
WIND SPD             2  2  2  2  6  4  8  4  3  2  3  2  6  8  8  4  3  3  3  2
CLOUDS              B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 SC SC SC SC B2
POP 12HR                     60          30          10          20          20
QPF 12HR                   0.14        0.10           0        0.02        0.02
RAIN SHWRS           L  C  C  C  C  C  C                    S  S  S  S  S  S  C
TSTMS                L        C  C  C  C                    S  S  S  S  S  S  C
OBVIS                      F


DATE           05/22  THU 05/23/13  FRI 05/24/13  SAT 05/25/13  SUN 05/26/13
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          82      62    78      57    76      53    75      52    74
TEMP          80 77   67 64 76 73   62 60 74 71   58 56 73 70   57 55 72 70
DEWPT         62 63   61 61 60 60   58 57 57 55   54 53 53 54   51 54 52 54
PWIND DIR        SW      SW     W       W     N      NE     N       E     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         50      60    40      20    20      10    10      10     5
RAIN SHWRS     C  C    L  C  C  C    S  S  S  S
TSTMS          C  C    L  C  C  C    S  S  S  S

$$

TNZ071-200915-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N  83.98W ELEV. 979 FT
916 PM EDT SUN MAY 19 2013

DATE           05/19/13      MON 05/20/13            TUE 05/21/13            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                      64          86          64          87          65
TEMP                71 68 66 67 77 83 85 81 73 69 66 67 78 84 86 82 74 70 67 68
DEWPT               65 63 63 63 64 64 65 65 65 64 64 63 64 65 65 65 65 64 64 64
RH                  81 84 90 87 64 53 51 58 76 84 93 87 62 53 50 56 74 81 90 87
WIND DIR             S  S  S  S SW SW SE  S  S SE SE SE SW SW SW  S  S  S  S SE
WIND SPD             3  3  4  3  9  6  6  8  4  4  3  2  8  8  9  6  5  4  4  2
CLOUDS              B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC B2
POP 12HR                     60          20          10          20          20
QPF 12HR                   0.03        0.03           0        0.02        0.02
RAIN SHWRS           L  C  C  S  S  S  S                    S  S  S  S  S  S  L
TSTMS                L        S  S  S  S                    S  S  S  S  S  S  L
OBVIS                      F


DATE           05/22  THU 05/23/13  FRI 05/24/13  SAT 05/25/13  SUN 05/26/13
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      64    81      59    79      57    79      56    78
TEMP          81 79   68 66 79 76   64 62 77 74   62 60 77 74   61 59 76 74
DEWPT         64 65   63 63 61 62   60 59 59 57   56 55 55 56   54 55 54 57
PWIND DIR        SW       S     W       N     N      NE     N      SE     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2   B2 B2 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         60      50    30      20    20      10    10      10     5
RAIN SHWRS     L  L    C  C  C  C    S  S  S  S
TSTMS          L  L    C  C  C  C    S  S  S  S

$$

TNZ036-200915-
OAK RIDGE-ANDERSON TN
36.00N  84.24W ELEV. 913 FT
916 PM EDT SUN MAY 19 2013

DATE           05/19/13      MON 05/20/13            TUE 05/21/13            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                      64          86          64          87          65
TEMP                71 68 66 67 77 83 85 81 73 69 66 67 78 84 86 82 74 70 67 68
DEWPT               65 63 63 63 64 64 65 65 65 64 64 63 64 64 65 65 65 64 64 64
RH                  81 84 90 87 64 53 51 58 76 84 93 87 62 51 50 56 74 81 90 87
WIND DIR             S SW  S  S SW  S SE  S  S  S SE  S SW SW SW  S  S  S SW  W
WIND SPD             2  4  2  2  6  6  9  8  4  2  2  2  9  9  9  6  4  4  3  0
CLOUDS              B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC SC B1 B1 B2
POP 12HR                     30          20          10          20          20
QPF 12HR                   0.03        0.02           0        0.02        0.02
RAIN SHWRS           C  S  C  S  S  S  S                    S  S  S  S  S  S  L
TSTMS                C        S  S  S  S                    S  S  S  S  S  S  L
OBVIS                      F


DATE           05/22  THU 05/23/13  FRI 05/24/13  SAT 05/25/13  SUN 05/26/13
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      64    81      59    79      57    79      56    78
TEMP          81 79   68 66 79 76   64 62 77 74   62 60 77 74   61 59 76 74
DEWPT         64 65   63 63 61 62   60 59 59 57   55 54 54 55   54 55 54 57
PWIND DIR        SW      SW     W      NW     N      NE     N       E    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2   B2 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         60      50    30      20    20      10    10      10     5
RAIN SHWRS     L  L    C  C  C  C    S  S  S  S
TSTMS          L  L    C  C  C  C    S  S  S  S

$$

TNZ099-200915-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N  85.22W ELEV. 688 FT
916 PM EDT SUN MAY 19 2013

DATE           05/19/13      MON 05/20/13            TUE 05/21/13            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                      65          88          66          90          67
TEMP                72 69 67 68 79 85 87 83 75 71 68 69 80 87 89 85 77 72 69 70
DEWPT               66 65 65 65 65 65 65 66 66 65 65 65 66 66 66 66 66 65 65 64
RH                  81 87 93 90 62 51 48 57 74 81 90 87 62 50 47 53 69 79 87 81
WIND DIR             S  S  S  S  S  S  S SE  S  S  S  S  S  S SW  S  S  S  S  S
WIND SPD             4  3  2  3  6  8  9  8  4  3  4  4  6  8  9  5  2  3  3  2
CLOUDS              B2 B1 B1 SC SC B1 B1 SC SC SC SC SC B1 B1 B1 SC SC B1 B1 B2
POP 12HR                     60          20          10          20          20
QPF 12HR                   0.03        0.02           0        0.02        0.02
RAIN SHWRS           L  C  C  S  S  S  S                    S  S  S  S  S  S  L
TSTMS                L        S  S  S  S                    S  S  S  S  S  S  L
OBVIS                      F


DATE           05/22  THU 05/23/13  FRI 05/24/13  SAT 05/25/13  SUN 05/26/13
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          85      65    84      62    82      60    83      59    82
TEMP          83 80   70 68 82 79   67 65 80 77   65 63 80 77   64 62 79 78
DEWPT         64 65   63 64 62 62   61 60 60 58   57 56 55 56   56 57 56 60
PWIND DIR         W      SW    NW       N     N      NE     E      SE     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         60      40    20      20    20      10    10      10     5
RAIN SHWRS     L  L    C  S  S  S    S  S  S  S
TSTMS          L  L    C  S  S  S    S  S  S  S

$$

NCZ060-200915-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N  84.12W ELEV. 1600 FT
916 PM EDT SUN MAY 19 2013

DATE           05/19/13      MON 05/20/13            TUE 05/21/13            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                      62          84          62          86          63
TEMP                68 65 64 65 75 81 83 79 71 67 64 65 76 83 85 81 73 68 65 66
DEWPT               64 63 63 63 64 64 64 64 64 63 63 63 64 64 65 65 64 62 62 63
RH                  87 93 97 93 69 56 53 60 79 87 97 93 66 53 51 58 73 81 90 90
MAX/MIN RH                  100          53          97          51          93
WIND DIR            SE SE SE SE  S  S SE  S  S  E  E SE SE  S  S  S SE SE SE SE
WIND DIR DEG        13 12 13 14 18 18 14 16 16 11 11 13 15 19 19 16 15 15 15 14
WIND SPD             3  3  4  4  8  6  8  8  3  3  3  4  8  8  9  5  3  3  4  3
CLOUDS              B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC B2
CLOUDS (%)          84 71 71 52 52 56 56 42 42 38 38 45 53 53 53 48 48 45 45 72
VSBY                 5  3  1  1 10 10
POP 12HR                     60          30          10          20          20
QPF 12HR                   0.05        0.06           0        0.02        0.02
RAIN SHWRS           L  C  C  C  C  C  C                    S  S  S  S  S  S  L
TSTMS                L        C  C  C  C                    S  S  S  S  S  S  L
OBVIS                      F
HAINES                                    4                       4
LAL                     4     3     3     3     1     1     2     2     2     2
MAX MIX HGT                            5900                    6400
T WIND DIR                               SW                       S
T WIND SPD                               10                      14
ADI                                      38                      61
MAX LVORI                                 4                       4
STABILITY               F     B     B     F     G     A     B     F     G     B
CEILING             14800 14800 15900 15900  NONE  1700 11700 20800 15900  1000
STA PRES            27.82 27.85 27.83 27.80 27.79 27.81 27.80 27.74 27.73 27.76


DATE           05/22  THU 05/23/13  FRI 05/24/13  SAT 05/25/13  SUN 05/26/13
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      64    82      59    79      56    80      55    78
TEMP          81 79   68 67 80 77   64 62 77 74   61 59 77 74   61 58 75 74
DEWPT         63 64   62 62 61 61   58 57 57 56   55 54 54 55   54 55 53 59
PWIND DIR         S       W    NW       N     N      NE    NW      SE    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2   B2 B2 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         60      50    30      20    20      10    10      10     5
RAIN SHWRS     L  L    C  C  C  C    S  S  S  S
TSTMS          L  L    C  C  C  C    S  S  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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