The Milding of February: All-Time Winter Warmth in Midwest

By: Bob Henson, 16:41 GMT 23. Únor 2017

Residents of Wisconsin have never experienced a winter day like the one that enveloped the state in a springlike balm on Wednesday. An uncommon lack of late-February snow cover across Illinois and southern Wisconsin allowed very mild air streaming northward to sweep across the state with very little surface cooling. All three of Wisconsin’s largest cities saw the highest temperatures observed on any December, January, or February day in more than a century of reco...

Extreme Weather Winter Weather

Updated: 18:16 GMT 23. Únor 2017

More Floods and Evacuations in California--Plus Wind Gusts Topping 190 MPH

By: Bob Henson and Jeff Masters, 18:50 GMT 21. Únor 2017

The atmospheric river that slammed the central third of California on Monday left its mark in multiple ways, including what could end up as the highest reliably recorded wind gusts for the state (see below). Fortunately, the storm underperformed somewhat when it came to rainfall, much like its older sibling that hit southern California last Friday. Rainfall amounts in Bay Area cities on Monday came in well short of the potential suggested by multiple model runs, alt...

Updated: 19:47 GMT 21. Únor 2017

Dangerous, Multipronged Storm Strafing Central/Northern California

By: Bob Henson, 17:57 GMT 20. Únor 2017

What may become known as the President’s Day Storm of 2017 barreled into the San Francisco Bay area on Monday morning. The core of the storm was an atmospheric river roughly 75 to 100 miles wide, pointing a firehose of moisture toward vulnerable foothills and urban areas. With soils already sodden, the risk of flash flooding was high, and the tail end of the storm promised to bring ferocious winds into the area that could knock out power for many thousands of resi...

Updated: 12:55 GMT 21. Únor 2017

No Rest: Another Round of Intense Rains Heading for Central and Northern California

By: Bob Henson, 16:08 GMT 19. Únor 2017

While southern California tries to dry out from Friday’s watery onslaught, yet another atmospheric river will be pointed at central and northern California from late Sunday through Monday, exacerbating the woes of what’s already been a record-wet winter to date across the northern Sierra. Precipitation totals of 10” or more are possible early this week across parts of the Feather River watershed feeding into Lake Oroville. This is bound to push lake levels tow...

Flood

Updated: 12:55 GMT 21. Únor 2017

Epic Storm Pounds Southern California With Heavy Rain, High Wind and Huge Waves

By: Jeff Masters, 17:20 GMT 17. Únor 2017

The epic assault of the winter of 2016 - 2017 on California continued on Friday morning as torrential rains, damaging winds and huge waves from a massive and powerful Pacific storm system pounded the Golden State. Carrying with it an “atmospheric river” of moisture originating in the subtropics near Hawaii, Friday’s storm was most dangerous because of its heavy rains. According to the National Weather Service in Oxnard, California, Friday and Saturday could b...

Updated: 19:16 GMT 18. Únor 2017


The views of the author are his/her own and do not necessarily represent the position of The Weather Company or its parent, IBM.

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Cat 6 lead authors: WU cofounder Dr. Jeff Masters (right), who flew w/NOAA Hurricane Hunters 1986-1990, & WU meteorologist Bob Henson, @bhensonweather

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Mountain wave clouds over Labrador
Mountain wave clouds over Labrador
Mountain wave clouds over Labrador
Labrador ice