Winter Weather Warning Issued for 6 Inches of Snow and 70 MPH Gusts Through Saturday Evening

NWS Fairbanks has gusts of 70 mph forecast for the Richardson Highway on Friday and 65 on the Parks, peaking between 4 and 10 in the morning, and those are the two roads that carry traffic north out of Anchorage. Four hundred miles further north the same Bering Sea low does something different: Atigun Pass takes four to six inches of snow and temperatures in the upper 20s, under an advisory from the Fairbanks forecast office that runs to 4 p.m. AKDT Saturday and puts the whole of Saturday’s daylight driving inside it rather than after it.

The snow is a narrow band with rain at both ends, so a driver running the Dalton end to end enters winter and comes out the far side in a few hours without ever changing roads. Get Ready for Shorter Fall Days With Amazon’s $15 Solar LED String Lights – 64% Off Right NowGet Ready for Shorter Fall Days With Amazon’s $15 Solar LED String Lights – 64% Off Right Now The advisory was first issued at 11:13 a.m. AKDT Thursday and covers the central Brooks Range, taking in Anaktuvuk Pass, Galbraith Lake, Atigun Pass, and the Dalton Highway from Mile Post 232 to Mile Post 322, with gusts to 30 mph and blowing snow cutting visibility to half a mile or less.

NWS Fairbanks tightened it on Friday morning. The 6:10 a.m. update puts the four to six inches at or above pass level rather than across the zone, and names Atigun Pass as the main hazard. The trace of ice from Thursday’s version is gone, replaced by pockets of wintry mix. The Snow Band Is Narrow, And There Is Rain On Both Sides Of It The advisory covers 90 miles of a 414-mile road, and the rest of the Dalton is not remotely wintry. At Coldfoot, Mile Post 175 and roughly 1,050 feet, the forecast is rain, a 100 percent chance of precipitation, and a high near 50 on Friday. At Deadhorse, Mile Post 414 at sea level, it is scattered showers with a high near 42 on Saturday, currently sitting in fog at 32 degrees. Between them is Atigun Pass, Mile Post 244, which crosses the Continental Divide at 4,739 feet and is the highest year-round maintained pass in Alaska.

NWS Fairbanks puts the worst conditions there, with temperatures holding in the upper 20s and 30s while the rest of the interior reaches the 40s and 50s. A driver running the length of the Dalton on Friday leaves 50-degree rain, climbs into snow and ice, and drops back into 42-degree rain, all on the same road inside a few hours. Nothing about the pavement announces the transition. Wet asphalt at Coldfoot and wet asphalt at Chandalar Shelf look identical at 55 mph, and only one of them is about to freeze. The Two NWS Products Do Not Agree On Where The Snow Line Sits Snow levels start near 2,500 feet.

The advisory has them rising to near 4,000 feet on Friday. The forecast discussion, issued three and a half hours later at 2:50 p.m., pushes that toward 5,000 by the afternoon, leaving solid snow only above 4,500 feet and, in the words of the forecasters on shift, “a mess of wintry mix that turns to rain in the afternoon and then back to wintry mix” everywhere between. For a driver the disagreement resolves itself. Atigun tops out at 4,739 feet, which is above the advisory’s snow line and above the discussion’s mixed band, so the pass stays in snow under either version while the approaches on both sides cycle through rain.

What does accumulate is wet and reluctant to blow, which means the surface that reads as merely damp during Friday daylight is the surface that refreezes into the advisory’s second night, and the advisory has a second night in it. Road Crews Are Working Inside The Advisory Area The advisory closes by telling drivers to check 511 for road conditions. Doing that turns up permanent repairs on the Dalton running from Mile Post 314.5 to 316, with single-lane traffic and 24-hour flagging operations, updated Thursday morning. That work sits inside the advisory zone, about 70 miles north of Atigun. Single-lane means opposing traffic separated by a person holding a sign rather than by paint, on an unlit gravel highway, in blowing snow with visibility down to half a mile.

As of Friday morning 511 Alaska listed no weather closures on the road, though Atigun Pass has closed for drifting snow on short notice in past seasons. The corridor offers little to fall back on either way. The Dalton has fuel at three points across its length, no cell coverage over most of it, and no lighting anywhere. This Is The Second Winter Product On The Road In A Week NWS Fairbanks issued a special weather statement on August 25 covering Atigun Pass to Sagwon, forecasting one to two inches overnight Tuesday and a further one to two Wednesday night.

Friday’s advisory follows three days behind it, and both follow snow events on the same stretch in June and late July. Four Hundred Miles South, The Same Low Is A Wind Problem The low makes landfall Friday morning near the eastern Norton Sound coast and tracks northeast, and its southern edge lands on a different mountain range entirely. NWS Fairbanks has a high wind warning for the eastern Alaska Range, covering Black Rapids, Donnelly Dome, and the Richardson Highway from Mile Post 224 to Mile Post 259, with south winds of 30 to 40 mph gusting to 70 from 1 a.m. to 10 p.m. AKDT Friday and peaking between 4 and 10 in the morning. A wind advisory covers the Parks Highway from Mile Post 237 to Mile Post 288 through Windy Pass and the Denali National Park entrance, with gusts to 65.

Both products carry the same line: “Winds this strong can make driving difficult, especially for high profile vehicles.” The Alaska Range sits roughly 400 miles south of Atigun, so none of this touches the Dalton. It does complicate any trip that starts in Anchorage and ends on the Dalton, because the Parks and the Richardson are the two roads that get you there. The forecast discussion puts the peak gust outside the warning boundary. It has “Wind gusts up to 70 mph near Isabel Pass,” which sits at Richardson Mile Post 197.7, roughly 26 miles south of where the warning starts. Drivers treating Mile Post 224 as the edge of the problem are reading the map rather than the forecast.

The timing on the Parks also moved: NWS Fairbanks cancelled the wind advisory it had already issued for Saturday and replaced it with one covering Friday, shifting the event forward by a day. Studded Tires Are Illegal For Another 19 Days Alaska statute prohibits studded tires on paved roads north of the 60th parallel from May 1 through September 15 inclusive, which makes September 16 the first legal day to fit them on the Dalton. Tire chains carry no such date. State regulation permits them whenever conditions warrant, which means chains are the only device that is both legal on Friday and effective at Atigun. Everyone driving north this weekend is otherwise on all-season or winter compound rubber, and only the winter compound stays pliable at the upper 20s forecast for the pass. All-wheel drive does not substitute for either.

It helps a vehicle accelerate on a slick surface and contributes nothing to braking or cornering on the refrozen film the Dalton produces overnight. Tread depth and pressure carry that load, and cold air costs roughly 1 to 2 psi for every 10 degrees the temperature drops, so a set checked in July is running low this week with nothing visibly wrong. The rain-on-snow cycle at Atigun may also be an early look at a broader winter pattern. NOAA’s Climate Prediction Center puts a 69 percent chance on an El Niño strong enough to exceed every event on record since 1950, while noting that impacts consistent with El Niño become more likely at that magnitude without being guaranteed. That setup could increase the chances of the same rain-and-refreeze cycle on mountain passes farther south this winter.

Source: Winter Weather Warning Issued for 6 Inches of Snow and 70 MPH Gusts Through Saturday Evening – Autoblog

Yea, in the way of thy judgments, O LORD, have we waited for thee; the desire of our soul is to thy name, and to the remembrance of thee.
Isaiah 26:8

Plague in Russia?

Russian authorities have sought to allay global worries over the death of a young woman who worked at a Siberian anti-plague laboratory. But moves to isolate her…

Keep reading

Something went wrong. Please refresh the page and/or try again.

Winter storm warning: Up to 16 inches of snow and 55 mph winds coming this week

Tire standing upright on snow-covered road with cars in background

Heavy mountain snow is now giving way to powerful winds across the Northern Rockies, with up to 16 inches forecast in Montana’s Anaconda Pintler range and gusts up to 55 mph expected on the Beartooth Highway by Monday.

Peak Driving Danger Window
Monday morning for snow on the western passes, then Monday afternoon for wind on the Beartooth Highway, with the worst road conditions overnight when wet snow refreezes.
A Storm That Turns From Snow To Wind
The storm is now shifting from a snow event to a wind event. The weekend brought heavy snow to the high passes of central Idaho and southwest Montana, and road cameras caught it piling up on Big Hole and Lost Trail. By Monday the snow is winding down, and the wind becomes the bigger problem, with gusts to 55 mph on the Beartooth Highway. The cold is what most people will notice. Temperatures are down 20 to 30 degrees, valley highs are stuck in the 40s and 50s, and a frost is possible Monday morning.
The National Weather Service in Missoula holds a winter storm warning above 6,500 feet for the Lemhi, Bitterroot and Sapphire ranges until 9 AM Monday. Snow runs 4 to 8 inches, with up to 16 across the Anaconda Pintler Mountains near Georgetown Lake. The warning grew out of the winter storm watch first posted for these Idaho and West Yellowstone passes. Great Falls added a warning for Northwest Beaverhead County, with more than a foot up high.
Timing
Overnight into Monday morning: Snow continues on the high passes, with the overnight refreeze the main road threat.
Monday morning: Snow tapers on the western passes, and temperatures crash 20 to 30 degrees from late-week highs, with frost possible in some valleys behind the system.
Monday afternoon: Gusts climb to 55 mph on the Beartooth Highway, and to 50 mph across the Snake River Plain and southern Idaho along Interstate 15, enough to shove high-profile vehicles on exposed roads. The Missoula warnings end at 9 AM, the Great Falls alerts at noon, and the Beartooth advisory at 6 PM.
Tuesday and midweek: A second, colder trough out of the Gulf of Alaska keeps snow levels dipping toward 6,200 feet, so the high country stays wintry even after this round winds down.

Where The Storm Hits The Road


For drivers, the passes carry the risk. US 93 over Lost Trail Pass on the Montana and Idaho line sits deep in the snow band, and Chief Joseph Pass on MT 43 and Big Hole Pass see the same slush near the summit. Lemhi Pass and the climb on Idaho Highway 28 turn from mud to snow first, while Monida Pass on Interstate 15 is the main interstate crossing where snow could still affect travel. The Missoula office told travelers to “consider delaying travel across the backcountry and higher elevations.”

Source: Winter storm warning: Up to 16 inches of snow and 55 mph winds coming this wee

Every way of a man is right in his own eyes, But the LORD weighs the hearts.
Proverbs 21:2

For God so Loved the World

“God loved you enough to send His Son, Jesus loved you enough to give His life, and through faith, you are offered a hope this world can never…

Keep reading

2 Timothy 3:12 

Indeed, all who desire to live a godly life in Christ Jesus will be persecuted Paul was reminding Timothy that following Christ does not guarantee an easy life. When we…

Keep reading

John 15:18–20

“If the world hates you, know that it has hated me before it hated you. If you were of the world, the world would love you as its own;…

Keep reading

Galatians 1:6-10

“When truth becomes negotiable, faith becomes vulnerable so know the Gospel, stand on God’s Word, and seek His approval above the world’s applause.” “I am astonished that you…

Keep reading

Something went wrong. Please refresh the page and/or try again.

Snow in the weather forecast? Unusual storm could bring flakes to Massachusetts Saturday.

snow covered shrubs in winter landscape

Believe it or not, the possibility of snow is in the weekend weather forecast for part of Massachusetts. It would be one thing to have a rainy day, like last Sunday, but the forecast for this Saturday truly takes the cake and has even our weather team shaking their heads. We have issued a NEXT Weather Alert for late Friday and Saturday for a very chilly, wet and windy spring storm in the Boston area. This is a highly anomalous storm for a number of reasons.   Omega Block affecting Boston weather Take a look at the jet stream forecast in the coming days. You don’t need a degree in meteorology to recognize that something isn’t right.

WBZ-TV graphic CBS Boston There will be a huge ridge of high pressure extending from the Midwest way up into Canada. This will bring record heat to areas up near Hudson Bay with temperatures expected to top 80 degrees. Conversely, major troughs in the jetstream will form on either side of that giant ridge, one in the Pacific Northwest and another right over New England. This specific configuration is known as an “Omega Block,” and when you get this much twisting and turning, some wild weather is bound to occur. And, wouldn’t you know it, New England is in just the right (or wrong) place. The storm is literally coming right out of the Arctic Circle and making a beeline for our backyard. Boston weekend weather forecast There will be a few showers Friday evening and overnight. The storm will peak during the day on Saturday when a band of windswept rain will pivot from north to south across central and eastern Massachusetts.

It will have the feel of a nor’easter at times on Saturday, with strong northeast winds pushing waves of rainfall inland. Winds will gust between 30-to-50 mph within that band of heavy rainfall, perhaps even leading to some minor tree damage.

Source: Snow in the weather forecast? Unusual storm could bring flakes to Massachusetts Saturday. – CBS Boston

Lord, all my desire is before You; And my sighing is not hidden from You.
Psalm 38:9

Isaiah 45:2

“I will go before you and level the exalted places, I will break in pieces the doors of bronze and cut through the bars of iron, This verse…

Keep reading

Something went wrong. Please refresh the page and/or try again.