High Wind Watch issued January 7 at 12:58PM MST until January 8 at 8:00PM MST by NWS Cheyenne WY
* WHAT...West winds 25 to 35 mph with gusts up to 58 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From Wednesday morning through Wednesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. In addition, areas of blowing snow could lead to reduced visibility, even whiteout conditions, and slick roads.
Air Stagnation Advisory issued January 6 at 12:58PM MST until January 10 at 11:00AM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of southwest and west central Idaho and northeast and southeast Oregon. * WHEN...From 11 PM MST /10 PM PST/ this evening to 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
High Surf Advisory issued January 4 at 12:58PM PST until January 5 at 3:00AM PST by NWS San Francisco CA
* WHAT...Large breaking waves of 18 to 22 feet expected. * WHERE...Pacific Coast with the exception of Northern Monterey Bay. * WHEN...Until 3 AM PST Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Sneaker waves can sweep across the beach without warning, pulling people into the sea from rocks, jetties, and beaches. Sudden immersion in cold water can result in cold water shock even for the most experienced swimmers. Cold water shock can result in dramatic changes in breathing, heart rate and blood pressure, greatly increasing the risk of drowning in rough open waters.
Beach Hazards Statement issued January 4 at 12:58PM PST until January 5 at 3:00AM PST by NWS San Francisco CA
* WHAT...Moderate to high risk of sneaker waves expected. * WHERE...Northern Monterey Bay. * WHEN...Through late Saturday night. * IMPACTS...Sneaker waves can sweep across the beach without warning, pulling people into the sea from rocks, jetties, and beaches. Sudden immersion in cold water can result in cold water shock even for the most experienced swimmers. Cold water shock can result in dramatic changes in breathing, heart rate and blood pressure, greatly increasing the risk of drowning in rough open waters.
Fire Weather Watch issued November 22 at 12:58PM MST until November 23 at 6:00PM MST by NWS Cheyenne WY
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 418, 419, AND 420... The National Weather Service in Cheyenne has issued a Fire Weather Watch, which is in effect from Saturday morning through Saturday afternoon. * AFFECTED AREA...In Wyoming, fire weather zones 418 419 and 420. * WIND...Gusts 30 to 40 mph possible. * HUMIDITY...As low as 10 to 15 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.