Point Forecast Matrices
Issued by NWS Glasgow, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GLASGOW MT
300 PM MST SUN DEC 21 2014

MTZ017-221100-
GLASGOW-VALLEY MT
48.22N 106.61W ELEV. 2293 FT
300 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         WED
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      25          30          19          30          17
TEMP             33 32 32 30 30 26 29 30 26 23 23 23 22 19 24 29 23 19 17 19 20
DEWPT            28 28 28 27 27 24 26 24 21 19 19 20 19 16 20 22 18 15 14 16 16
RH               82 85 85 88 88 92 88 78 81 84 84 88 88 88 84 75 81 84 88 88 84
WIND DIR         NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W SW SW  S  S  W
WIND SPD         10 16 18 18 18 18 18 18 13 12 11 12 11 11  9  9  6  6  9  9 11
CLOUDS           OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1
POP 12HR                     70          80          20           5          10
QPF 12HR                   0.08        0.10        0.02           0           0
SNOW 12HR                     1           1           T
FRZG RAIN
RAIN              C  C
SNOW              S  S  L  L  D  D  C  C  S  S                                S
WIND CHILL          21 19 18 18 12 16 18 14 12 11 11 11  7              6     8
MIN CHILL        24    18    17    11    13    10    10     6    14     5     5
WINTER WEATH            Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          33      17    23       5    21       6    18       1    13
TEMP          30 28 24   21 20 16 10    8 14 15  9    9 12 12  5    8  4  1
DEWPT         25 23 20   18 16 12  6    4 10 10  5    5  8  6  1    4 -1 -5
PWIND DIR         W      NW     N      NW    NW       W    NW      NW    NW
WIND CHAR        GN      GN    GN      GN    GN      GN    LT      LT    GN
AVG CLOUDS    B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B2 B2 B1   B1 B1 B1
POP 12HR         20      30    30      20    10      10    10      10    20
SNOW           S  S  C    C  C  C  S    S                              S  S

$$
MTZ020-221100-
WOLF POINT-WESTERN ROOSEVELT MT
48.10N 105.58W ELEV. 1985 FT
300 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         WED
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      24          32          20          31          13
TEMP             34 31 27 26 25 25 29 32 26 25 24 24 23 20 27 30 24 18 15 14 14
DEWPT            30 27 25 24 23 22 26 25 22 21 21 21 20 17 22 22 19 14 12 11 11
RH               85 85 92 92 92 88 88 75 85 84 88 88 88 88 81 72 81 84 88 88 88
WIND DIR          W NW  W NW NW NW NW NW NW NW  W  W NW  W  W  W  W  W SW SW  W
WIND SPD          8 13 16 17 17 16 17 16 12 11 10  9 11 11 10 10  8  8  8  8 11
CLOUDS           OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     90          80          20          10          10
QPF 12HR                   0.07        0.15        0.04           0           0
SNOW 12HR                     T           2           1
FRZG RAIN
RAIN              D  D
SNOW              C  C  D  D  D  D  C  C  S  S  S  S                          S
WIND CHILL          20 15 13 13 12 17 21    14 13    12  8           7  4  2  1
MIN CHILL        27    14    12    11    16    12    11     7    14     3     0
WINTER WEATH            Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          34      16    24       3    20       4    20      -1    14
TEMP          30 29 21   18 22 18 11    7 15 15 12    8 13 14  9    8  5  6
DEWPT         25 23 18   15 17 12  7    3 10 10  9    4  8  9  6    5  0  1
PWIND DIR         W      NW     N      NW     W       W     W       W    NW
WIND CHAR        GN      GN    GN      GN    GN      GN    LT      LT    GN
AVG CLOUDS    B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B2 B2 B1   B1 B1 B1
POP 12HR         20      20    30      20    10      10    10      10    20
SNOW           S  S  S    S  C  C  S    S                              S  S

$$
MTZ022-221100-
JORDAN-GARFIELD MT
47.33N 106.95W ELEV. 2661 FT
300 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         WED
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      27          34          20          36          20
TEMP             36 32 33 32 33 27 30 33 28 25 25 24 23 20 30 36 27 21 22 23 25
DEWPT            30 28 29 30 31 25 25 24 23 21 21 22 20 18 23 24 20 17 19 20 23
RH               79 85 85 92 92 92 81 69 81 84 84 92 88 92 75 61 74 84 88 88 92
WIND DIR          W NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W SW SW SW SW  W
WIND SPD         19 24 25 24 24 23 23 23 18 16 16 16 13 12 10 11  9  9 12 12 12
WIND GUST           34    34
CLOUDS           B2 B2 OV OV B2 B2 OV OV B2 B2 B1 B1 SC SC FW FW B1 B1 B1 B1 B2
POP 12HR                     40          60          20           5          10
QPF 12HR                   0.04        0.07        0.01           0           0
SNOW 12HR                     T           1           T
RAIN              C  C  S  S
SNOW                    C  C  L  L  C  C  S  S                                C
WIND CHILL       25 19 20 19 21 13 17 21 16 11 12 11 10  7             10 11 14
MIN CHILL        25    19    18    13    16    11    10     7    17     9     9


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          40      20    30      11    28      12    27       6    20
TEMP          36 32 25   24 25 22 14   14 23 21 18   17 21 19 12   13 12  9
DEWPT         28 25 22   22 19 16 12   12 16 15 14   14 13 13  9   11  5  3
PWIND DIR         W      NW    NW      NW    NW       W     W       W    NW
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 SC   SC B1 B1 B2   B2 B2 B2
POP 12HR         30      40    30      20    10       5    10      20    20
SNOW           C  C  C    C  C  C  S    S                      S    S  S  S

$$
MTZ024-221100-
SIDNEY-RICHLAND MT
47.70N 104.20W ELEV. 1985 FT
300 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         WED
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      26          30          20          30          16
TEMP             34 31 29 29 30 26 30 30 26 25 24 23 22 20 27 28 21 18 17 17 18
DEWPT            31 29 28 28 28 25 26 24 24 24 22 21 20 19 22 20 19 17 16 15 16
RH               89 92 96 96 92 96 85 78 92 96 92 92 92 96 81 71 92 96 96 92 92
WIND DIR          W  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W SW SW SW
WIND SPD          6  9 13 16 18 17 17 19 16 14 13 12 12 12 13 12 10 10  9  9 11
CLOUDS           OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR                     90          80          20          10          10
QPF 12HR                   0.10        0.13        0.03           0           0
SNOW 12HR                     1           1           T
FRZG RAIN
RAIN              D  D
SNOW              S  S  D  D  D  D  L  L  S  S  S  S                          S
WIND CHILL             18 18 18 13 18 17 13 12 12 11 10  8 16 17 10  6  5  6  6
MIN CHILL        26    17    17    13    12    10     8     6     7     3     4
WINTER WEATH            Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          36      18    26       7    21       7    22       2    16
TEMP          32 31 23   20 22 18 12   10 16 15 10    7 17 14  9    9  8  7
DEWPT         26 28 22   18 17 16 10    7 10 13  9    5 12 12  8    7  3  4
PWIND DIR         W       W    NW      NW    NW       W     W       W    NW
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B2 B2
POP 12HR         20      20    30      20    10      10    10      10    10
SNOW           S  S  S    S  C  C  S    S

$$
MTZ025-221100-
GLENDIVE-DAWSON MT
47.13N 104.80W ELEV. 2457 FT
300 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         WED
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      27          30          21          31          18
TEMP             34 35 31 29 31 27 29 29 25 25 24 23 26 22 28 29 23 22 19 18 20
DEWPT            28 32 28 28 28 25 25 23 21 23 21 21 23 20 23 21 18 19 16 16 17
RH               78 89 88 96 88 92 85 78 84 92 88 92 88 92 81 72 81 88 88 92 88
WIND DIR          W  W NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W SW SW  W
WIND SPD         11 14 20 21 23 21 20 21 17 17 14 13 14 13 13 13 11 11 10 10 12
CLOUDS           B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     80          80          30          10          10
QPF 12HR                   0.08        0.13        0.03           0           0
SNOW 12HR                     T           2           T
RAIN              D  D
SNOW                    L  L  D  D  L  L  C  C  S  S                          S
WIND CHILL             19 16 18 13 16 16 12 12 11 11 13  9 17    12 11  7  6  8
MIN CHILL        25    18    15    12    12     9     9     9    11     7     6
WINTER WEATH            Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          37      20    27      10    23      11    23       6    17
TEMP          34 33 25   24 23 20 16   14 17 19 18   16 17 17 14   14  9  8
DEWPT         28 26 22   21 18 15 12   11 11 13 14   13 12 12 10   11  4  2
PWIND DIR         W      NW    NW      NW    NW       W     W       W    NW
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B2 B2 B1   B1 B1 B1
POP 12HR         20      20    30      20    10      10    10      20    20
SNOW           S  S  S    S  C  C  S    S                      S    S  S  S

$$



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