Record Warm April

May 1, 2016

11pm Sunday…

You just experienced the warmest April we’ve ever seen here in Western Oregon.  That’s assuming you are younger than 80-90 years old.  Here in Portland it was the warmest on record

MarkApril_RecordWarm

Those records go back to around 1940.  April 1926 and 1935 were warmer in many places though so in those spots it wasn’t the warmest on record.   Regardless, we are in a 26 month warm period that shows no sign of ending; we’ll see if a possible La Nina this fall/winter puts an end to that (or not).

We broke another record last month in Portland…most days in April above 70 degrees

MarkApril_70DegreeDays

A strong upper-level high is just to our northeast and tomorrow we’ll be in a southeast flow overhead.  That plus some moisture and some decent instability  mean we COULD get a thunderstorm in the late afternoon or evening in western Oregon.  Models are definitely not as bullish on thunder prospects as they were with the event last week so I’m not quite as wound up about it this go around.

So…we MIGHT see something interesting in the late afternoon and evening so I’ll be watching that radar pretty closely!

Chief Meteorologist Mark Nelsen