A Spring Forecast

610day.03 Today's 7 Day forecast is a bit more reasonable for April, at least to me.  We have some moderate to heavy rain one day, showers on two others, mostly cloudy on a 4th day, and 3 days of mostly sunny with warmer temps.  Now that's a real nice mix for mid month.  It's been well advertised that it'll be a very wet Easter Sunday.  No changes to that forecast.  At least a good chunk of tomorrow will be dry though.

The map above is one I've shown you before…it shows the 500mb height deviation from average during the 6-10day forecast period.  That would be the middle of next week through the following weekend.  Models are pointing towards higher 500mb heights and ridging in general over the West Coast and western USA.  Our forecast temps around 70 might be a little low for next Thursday and Friday, but I notice the ECMWF and GFS were a bit different.  There's time early next week to adjust the numbers.  The main point is that we can expect drier and warmer weather later next week.  That would be AFTER some chilly air later Sunday through Tuesday…Mark Nelsen

105 Responses to A Spring Forecast

  1. Rob "Wrath" - Elevation 300' -Far S.E. Portland- says:

    Poor Mark LOL

  2. Jesse-Orchards says:

    I have a feeling it’s snowing at Mark’s house right now, perhaps heavily.
    Corbett sensor says 33 and there is a lot of precip over that area.

  3. Rob "Wrath" - Elevation 300' -Far S.E. Portland- says:

    Yeah all of the t-storm activity was mainly east of I-205 which is fairly common. I was fortunate enough to have 2 thunderstorms today.

  4. It’s nice to have the chatroom back… Those of us who get weather-gipped will have a place to lament….. 😉

  5. …had a report from C’Mom that it was snowing at her place, too…..

  6. I’m jealous… BLarry’s gotten snow…and most of you guys got Thunder…. I got NADA. 😀

  7. Tyler in Hazel Dell says:


  8. Rob "Wrath" - Elevation 300' -Far S.E. Portland- says:

    Tyler? thunder now? or earlier….?

  9. Tyler in Hazel Dell says:

    Thunder! Nice, but mostly west of 205.

  10. Sarah (SE Gresham) says:

    Not positive because I just saw a flash out of the corner of my eye. I kind of have an obscured view of the sky right now.

  11. Rob "Wrath" - Elevation 300' -Far S.E. Portland- says:

    Which way was that last strike? I heard it on AM radio, but did not see the flash. Was it northeast towards the Gorge?

  12. Sarah (SE Gresham) says:

    Woo! More lightning!

  13. Rob "Wrath" - Elevation 300' -Far S.E. Portland- says:

    We got it here too. Nice structure with this cell and well defined rain/hail shaft.

  14. Sarah (SE Gresham) says:

    Just heard some thunder…probably to the north of me. My ears perked up when I thought I saw lightening reflect off my living room wall.

  15. Rob "Wrath" - Elevation 300' -Far S.E. Portland- says:

    Possible t-storms near Brush Prairie and northeast of Camas. Also the shower moving into Gresham has had some interesting structure to it…

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