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Hawaii Shutdown Storm & Sierra Snow Forecast | Evening Update

Hawaii faces a historic statewide shutdown due to severe flooding and wind. Plus, heavy snow targets the Sierra Nevada and a clipper hits the Northeast.

Paradise on Pause: Hawaii's Historic Shutdown & The Sierra Snowbomb

Alright folks, good evening. I hope your Monday treated you well. I know a lot of us are still recovering from the Super Bowl excitement yesterday (and maybe a few too many wings), but we have to talk about what is happening in the Pacific right now.

Usually, when we talk about big weather stories, we are looking at the mainland. But tonight, the biggest story is happening about 2,500 miles off the coast. Hawaii is dealing with a severe weather event that has effectively shut down the entire state. I'm talking schools closed, government offices locking the doors, and power outages surging in Honolulu. It is a serious situation.

Here is the breakdown of why paradise is on pause tonight and what else is brewing for the rest of the week.

Why Hawaii Went Dark

If you have been scrolling through social media, you might have seen videos of palm trees nearly snapping in half or streets in Honolulu turning into rivers. This isn't just a typical afternoon tropical shower. We are seeing a potent system that has triggered a Statewide High Wind Warning and significant Flash Flood Warnings.

Get this. Radar estimates have shown rain falling at rates of 4 to 5 inches per hour on the Hamakua Coast. That is an incredible amount of water in a short time. When you combine that with hurricane-force wind gusts—we saw reports of gusts hitting 77 mph in some exposed areas—the infrastructure just takes a beating.

The ground is saturated, and the winds are knocking down trees and power lines. If you have ohana (family) in the islands, give them a call. They are likely hunkered down tonight waiting for this system to pass.

The Sierra Snow Machine

Now, that active Pacific pattern isn't just picking on Hawaii. It is sending a loaded train of moisture right into California. I mentioned the rain this morning, but I want to focus on the snow because the mountains are about to get buried.

The Weather Prediction Center is calling for snowfall rates exceeding 1 inch per hour in the Sierra Nevada starting tomorrow night. Above 8,000 feet, we are looking at a very high likelihood of seeing over 18 inches of snow. This is that heavy, wet "Sierra Cement" that is great for the reservoirs but an absolute nightmare for travel.

While the lower elevations and the coast are dealing with rain, the passes are going to be treacherous. If you are planning to drive through the mountains in Northern California or heading toward Reno, you need to be prepared for whiteout conditions and road closures.

The Northeast "Sneaky" Snow

Back East, the Polar Vortex headlines are everywhere, and I know y'all are tired of the cold. The good news is that a warm-up is coming later this week. The bad news? We have to get through a "clipper" system first.

A fast-moving low is tracking along the Canadian border. It is going to drag a cold front through the Northeast tonight into Tuesday. This isn't a blockbuster blizzard, but it is going to bring a burst of snow to Upstate New York and New England. We could see 1 to 3 inches of accumulation, with localized amounts up to 4 inches in the higher terrain.

Here is the thing about these clippers: they move fast, but they can slick up the roads right in time for the morning commute. If you are in Boston, Albany, or heading into the mountains, give yourself extra time tomorrow morning.

Space Weather: The Solar Storm Continues

Finally, I have to mention the sun again. We are currently in a G1 Minor Geomagnetic Storm watch. That massive sunspot region we have been tracking is still active, and while the impacts on Earth are mostly minor right now (maybe some radio static), it is a reminder that we are in a very active solar cycle.

The Takeaway

Hawaii: The state is practically closed. Stay off the roads and have a backup power plan.
California: The mountains are open for business if you are a snowman, but closed if you are a Honda Civic. Heavy snow is incoming.
Northeast: Watch for slick spots tomorrow morning before the mild air arrives later in the week.

Stay safe out there, folks. I'll be watching the radar so you don't have to!

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