Pacific Right Now

* WHAT...Heavy snow expected. Visibility one quarter mile or less at times. Total snow accumulations 7 to 15 inches. * WHERE...Northern Susitna Valley. * WHEN...From 1 PM this afternoon to 2 PM AKDT Friday. * IMPACTS...Travel could be very difficult, with low visibility and rapidly accumulating snow along the Parks Highway. * ADDITIONAL DETAILS...Light snow will continue falling this morning, with 2 to 4 inches accumulation. Snowfall intensity will then increase during the afternoon hours. The heaviest snow will fall tonight through Friday morning. Snow could then mix with or change to rain Friday afternoon as temperatures warm above freezing.

A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.

* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches near Red Dog Mine and 12 to 18 inches in the Western Brooks Range. Winds gusting as high as 35 mph. * WHERE...Red Dog Mine and the South Slopes of the Western Brooks Range. * WHEN...Until 4 PM AKDT this afternoon. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Mostly rain is expected below 800 feet, including Noatak. The heaviest snow is expected into Thursday morning. Temperatures continue to cool through Thursday morning.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

* WHAT...Southeast winds 30 to 45 mph with gusts up to 70 mph expected. * WHERE...Windy Pass. * WHEN...From 4 PM this afternoon to 4 PM AKDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are likely late Thursday night into Friday morning.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...South winds 40 to 50 mph with gusts up to 85 mph expected. * WHERE...Eastern Alaska Range North of Trims Camp. * WHEN...From 1 PM this afternoon to 7 AM AKDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are likely late Thursday night into Friday morning.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...For the Coastal Flood Warning, significant coastal flooding. For the Coastal Flood Advisory, minor coastal flooding expected. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Coastal Flood Warning, until 1 PM PDT today. For the Coastal Flood Advisory, from 1 PM today to 2 PM PDT Friday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS...Coastal residents and managers of infrastructure in the warned/advisory area should prepare for rising water and take appropriate action to protect life and property. Highest tides will occur around 11 AM today and noon on Friday. Observed high tides are 1.4 to 1.6 feet above astronomical tide predictions.

Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Northern Mendocino Interior, and Northern Lake. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.