401
WWUS45 KMSO 121705
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1105 AM MDT Thu Sep 12 2024

IDZ009-010-MTZ006-007-131200-
/O.CON.KMSO.WW.Y.0044.000000T0000Z-240913T1200Z/
Western Lemhi County-Eastern Lemhi County-Bitterroot/Sapphire
Mountains-Butte/Blackfoot Region-
1105 AM MDT Thu Sep 12 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY
ABOVE 6500 FEET...

* WHAT...Wet snow above 6500 feet. Likelihood of developing or
  ongoing moderate impacts from 3 to 6 inches of snow is greater
  than 90 percent, and up to a 50 percent chance of isolated major
  impacts from 6 to 10 inches or more of snow.

* WHERE...Georgetown Lake, Bannock Pass, Highway 93 Sula to Lost
  Trail Pass, Lemhi Pass, Williams Creek Summit, and Highway 28
  Tendoy to Lone Pine.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...For MODERATE to MAJOR impacts from snow, backcountry
  users should prepare for wet and raw conditions. Hazardous
  traveling conditions on backcountry roads is possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.

&&

$$

MTZ043-131200-
/O.CON.KMSO.WW.Y.0044.240912T1800Z-240913T1200Z/
Potomac/Seeley Lake Region-
1105 AM MDT Thu Sep 12 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY
ABOVE 6500 FEET ...

* WHAT...Snow expected above 6500 feet. Likelihood of minor to
  moderate impacts from around 1 to 3 inches of snow is 100 percent,
  and 3 to 6 inches of snow is 80 percent.

* WHERE...Potomac/Seeley Lake Region.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...For MINOR to MODERATE impacts from snow, backcountry
  users should prepare for wet and raw conditions. Hazardous
  traveling conditions on backcountry roads is possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.

&&

$$

MTZ002-131200-
/O.CON.KMSO.WW.Y.0044.240913T0000Z-240913T1200Z/
West Glacier Region-
1105 AM MDT Thu Sep 12 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM MDT FRIDAY ABOVE 7000 FEET...

* WHAT...Snow expected above 7000 feet. Likelihood of minor to
  moderate impacts from around 1 to 3 inches of snow is 90 percent,
  and 3 to 6 inches of snow is 50 percent.

* WHERE...West Glacier Region.

* WHEN...From 6 PM this evening to 6 AM MDT Friday.

* IMPACTS...For MINOR to MODERATE impacts from snow, backcountry
  users should prepare for wet and raw conditions. Hazardous
  traveling conditions on backcountry roads is possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.

&&

$$