ecmwf – The Convergence Zone

Turning colder by the end of January + La Niña weakens

The first two-thirds of January 2023 featured mild temperatures and relatively benign weather in the PNW. The storm track, along

As advertised, another cold snap is about to take hold in the PNW. Cold air will filter into the region

Western Washington and Oregon will wake up to a frontal passage on Tuesday morning as a two week hiatus in

Climatologically speaking, the second half of November is the peak of rainy season in the PNW. Practically speaking, the ebb

Pleasant but chilly weather has been the story across the PNW this week as cold air remains entrenched across most

After most of October featured summer-like weather across the PNW, an entire autumn season’s worth of weather has been packed

In the central US, the weather occasionally flips from 75 degrees to snow in a matter of hours. In the

On average, the last week in July is the warmest and driest week of the year over much of the

Meteorological spring (March-April-May) has come to an end, and it will go down as one of the coldest springs on

April 1 is traditionally considered the milestone date for evaluating winter rainfall and snowpack across the western US. Unfortunately, the