Snow Avalanche Guidance
Issued by NWS Missoula, MT

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7
000
FWUS45 KMSO 152005
SAGMSO

Backcountry Forecast for western Montana and north central Idaho
National Weather Service Missoula MT
205 PM MDT Tue Apr 15 2014

.Discussion...The polar front does not appear to be as strong as
previously forecasted, but should still bring significant snow to the
Glacier Park region tonight. A second surge of the moisture on Wednesday
will increase shower activity. A weak ridge on Thursday, followed
by another significant cold front for Friday. This front could
bring another round of significant snow to the higher terrain with
gusty westerly winds.

For the latest information on watches, warnings and advisories, go
to weather.gov/missoula.

MTZ001-160830-
Far northwest Montana (Kootenai)-
including...Purcell and Cabinet Mountains

--------------------------- 5000-7000 FT ----------------------------
             WED         WED NIGHT   THU         THU NIGHT   FRI
CLOUD COVER  MCLDY       MCLDY       MCLDY       CLOUDY      MCLDY
HI/LO TEMPS  35 to 43    24 to 30    41 to 49    29 to 34    40 to 51
WINDS(MPH)   S  5        S  6        S  6        SE  8       SW 16
PRECIP CHC   70          70          50          90          60
PRECIP TYPE  SNO/SHR     SNO/SHR     showers     showers     SNO/SHR
LIQUID AMT   0.06        0.05        0.10        0.34        0.09
SNOW AMT(IN) 1           1           0-1         2-3         1-2

SNOW LEVEL   4000        4500        5500        6000        4500

$$
MTZ002-009-160830-
Northwest Montana (Flathead and Glacier Park)-
including...Mission and Swan Ranges

--------------------------- 4000-6000 FT ----------------------------
             WED         WED NIGHT   THU         THU NIGHT   FRI
CLOUD COVER  MCLDY       MCLDY       MCLDY       MCLDY       MCLDY
HI/LO TEMPS  32 to 42    17 to 25    41 to 49    28 to 33    41 to 49
WINDS(MPH)   SE  6       SE  6       S  4        SE  5       SW 19
PRECIP CHC   80          60          50          80          60
PRECIP TYPE  SNO/SHR     showers     showers     showers     showers
LIQUID AMT   0.11        0.09        0.07        0.28        0.13
SNOW AMT(IN) 2-3         1-2         0-1         0-2         1-2

--------------------------- 6000-8000 FT ----------------------------
             WED         WED NIGHT   THU         THU NIGHT   FRI
CLOUD COVER  MCLDY       MCLDY       MCLDY       MCLDY       MCLDY
HI/LO TEMPS  27 to 35    12 to 22    37 to 46    27 to 31    38 to 46
WINDS(MPH)   SE  6       S  6        S  5        SE  8       SW 23
PRECIP CHC   80          50          50          80          60
PRECIP TYPE  SNO/SHR     SNO/SHR     SNO/SHR     showers     SNO/SHR
LIQUID AMT   0.13        0.10        0.08        0.31        0.14
SNOW AMT(IN) 2-3         2           1           4-5         2

SNOW LEVEL   3500        4500        5000        6000        5000

$$
MTZ004-006-043-160830-
West central Montana-
including...Rattlesnake Wilderness and
Bitterroots from Lookout Pass to Lost Trail Pass

--------------------------- 4000-6000 FT ----------------------------
             WED         WED NIGHT   THU         THU NIGHT   FRI
CLOUD COVER  MCLDY       MCLDY       MCLDY       MCLDY       MCLDY
HI/LO TEMPS  36 to 45    24 to 30    43 to 56    29 to 34    41 to 53
WINDS(MPH)   SW  5       SW  5       SE  5       E  5        W 14
PRECIP CHC   70          50          30          80          60
PRECIP TYPE  showers     showers     showers     showers     showers
LIQUID AMT   0.08        0.04        0.03        0.31        0.06
SNOW AMT(IN) 1-2         0-1         0           0-2         1

--------------------------- 6000-8000 FT ----------------------------
             WED         WED NIGHT   THU         THU NIGHT   FRI
CLOUD COVER  MCLDY       MCLDY       MCLDY       MCLDY       MCLDY
HI/LO TEMPS  32 to 40    21 to 27    41 to 51    26 to 31    38 to 47
WINDS(MPH)   W  6        SW  5       S  6        S  6        W 13
PRECIP CHC   70          40          20          80          60
PRECIP TYPE  SNO/SHR     SNO/SHR     showers     showers     SNO/SHR
LIQUID AMT   0.08        0.03        0.02        0.29        0.08
SNOW AMT(IN) 1-2         0-1         0           2-3         1

SNOW LEVEL   4500        5500        6000        7000        5500

$$
IDZ006-160830-
US Highway 12 in Idaho (Lochsa)-
including...Powell

--------------------------- 2000-4000 FT ----------------------------
             WED         WED NIGHT   THU         THU NIGHT   FRI
CLOUD COVER  MCLDY       MCLDY       MCLDY       MCLDY       MCLDY
HI/LO TEMPS  46 to 50    28 to 31    58 to 62    29 to 34    53 to 58
WINDS(MPH)   W  4        SW  4       S  5        SE  3       W 12
PRECIP CHC   60          40          0           70          60
PRECIP TYPE  showers     showers     showers     showers     showers
LIQUID AMT   0.09        0.02        0.00        0.27        0.06
SNOW AMT(IN) 0-1         0           0           0           0

------------------------- 4000 TO 6000 FT ---------------------------
             WED         WED NIGHT   THU         THU NIGHT   FRI
CLOUD COVER  MCLDY       MCLDY       MCLDY       MCLDY       MCLDY
HI/LO TEMPS  37 to 44    26 to 29    48 to 55    26 to 31    43 to 51
WINDS(MPH)   W  5        SW  5       S  5        SE  3       W 12
PRECIP CHC   70          40          0           80          60
PRECIP TYPE  showers     showers     showers     showers     showers
LIQUID AMT   0.09        0.02        0.00        0.32        0.07
SNOW AMT(IN) 1           0           0           0-2         1

SNOW LEVEL   4000        5500        6500        6500        4500

$$













USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.