Stormy Night For Some of Us

Lightning1 As always you can click on the image for a closer view, but my main reason for posting on a day off is to save the lightning image from last nights storm for posterity…or at least for the blog.  It's quite possible that you slept through the action (as I did) if you live in the middle of the city or eastside of town.  Lots of strikes from I-5 westward and down into Marion County east of I-5 too.  A heck of a warm night.  IF we don't get a massive marine push before midnight tonight, we'll probably break our all-time August low temperature record (the warm one) of 68 degrees.  We tied it yesterday.

I'm up so early because I was woken up by a strong northwest wind around 6:10am.  That early of a wake up call makes me tired, but I can catch up when it's clouds, cool, and drizzly sometime in the next 3 days.  There must have been some leftover outflow from a thunderstorm, but 22 mph seemed REAL windy with every single house/door on my house open.  I slept through the action overnight, except that first cell that formed around midnight in Clackamas county.  I saw plenty of lightning from that, but then fell asleep. 

Not wanting to get anyone too excited, but I see SPC has us (or at least the Cascades) in the SLIGHT chance for severe weather this afternoon/evening.  Here is their morning discussion:

…THERE IS A SLGT RISK OF SVR TSTMS LATER THIS AFTERNOON INTO
   TONIGHT FOR THE ORE CASCADES AREA…
  
   …WA/ORE CASCADES AREA THIS AFTERNOON INTO TONIGHT…
   A PLUME OF LOW-MID LEVEL MOISTURE HAS SPREAD NWD OVER ORE/WA…NEAR
   AND IMMEDIATELY W OF THE CASCADES…AND THIS MOISTURE HAS SUPPORTED
   A FEW THUNDERSTORMS OVERNIGHT FROM NW ORE INTO WRN WA.  THIS INITIAL
   CONVECTION WILL LIKELY WEAKEN LATER THIS MORNING…WITH ADDITIONAL
   THUNDERSTORM DEVELOPMENT EXPECTED OVER THE ORE CASCADES LATER THIS
   AFTERNOON/EVENING IN CONJUNCTION WITH DAYTIME HEATING AND THE
   APPROACH OF EMBEDDED WEAK SPEED MAXIMA IN ADVANCE OF AN ERN PAC MID
   LEVEL TROUGH.  OBSERVATIONS OF STEEP MID LEVEL LAPSE RATES ATOP
   BOUNDARY LAYER DEWPOINTS RANGING FROM THE MID 50S TO LOCALLY LOWER
   60S WILL CONTRIBUTE TO MLCAPE VALUES OF 1000-1500 J/KG BY LATER THIS
   AFTERNOON/EVENING.  THE COMBINATION OF MODERATE INSTABILITY AND
   GRADUALLY INCREASING VERTICAL SHEAR THIS AFTERNOON INTO TONIGHT
   APPEARS SUFFICIENT FOR SUPERCELLS CAPABLE OF PRODUCING LARGE HAIL
   AND DAMAGING WINDS. 


Okay, let's hope for some more this afternoon or evening!  Mark Nelsen

578 Responses to Stormy Night For Some of Us

  1. Luvry (Tanasbourne) says:

    Rob, very impressive gusts for you last night! Told you I was seein some good stuff 🙂 You probably doubted me for a bit there!

  2. Gregg-Troutdale says:

    601st!!!!

  3. Gregg-Troutdale says:

    601st!!!!

  4. Gregg-Troutdale says:

    601st!!!!

  5. Mike (Sweet Home) says:

    Rob: lucky you, it has been calm to light winds down here. Light rain on and off, have received 0.12″ so far from this “fall” storm.
    Temp 61.6°
    DP 58.9°
    RH 91%
    Winds are light from SSW

  6. Atmospheric Wrath -Far S.E. Portland- says:

    I cannot explain the winds here because I only see Aurora gusting to 21mph! My trees are being trashed around and the roar I heard a few seconds before the winds even surfaced….

  7. Atmospheric Wrath -Far S.E. Portland- says:

    I should note these gusty winds are probably localized and will not last long.

  8. Atmospheric Wrath -Far S.E. Portland- says:

    As of 3 AM the Cold front must be about to push through as I see winds have decreased along the Coast and are now doing so inland also.
    Looks like there may have been a bit of WAA Warm Air Advection earlier brought on by the increasing southerlies as my temp actually rose 2 F during peak winds. Reminded me of a Fall system with a tropical connection when you get the brief lull in moisture and the southerlies increase noticeably and the temps increase.
    Surface gradients as of 3 AM are also weakening slightly.
    I’d say all in all it was an impressive system.
    Looks like the highest gust I could find with the cold front was 51mph at Destruction Island off the central Washington Coast.
    I believe there was a 48mph gust along the Oregon Coast.
    Rainfall totals were also impressive in some locations.
    Definitely not August like… So now we rebound to some type of ridging (Probably not very sharp) and then another trough. Maybe Fall will start a bit sooner this year.

  9. TV Weather Producer says:

    August, NO. September, Yes.

  10. TV Weather Producer says:

    August, NO. September, Yes.

  11. Atmospheric Wrath -Far S.E. Portland- says:

    Niceeee…
    Can you remember an August night like this?

  12. TV Weather Producer says:

    Very windy. Sustained average the last 20 mins Is 15 mph. Gusts to 20+

  13. Atmospheric Wrath -Far S.E. Portland- says:

    Windy in Beaverton, Bobby?

  14. Atmospheric Wrath -Far S.E. Portland- says:

    Yeah Rob, there are meetings and get togethers.
    I think Luvrydog would know a lot more about that than I would.
    Well the wind has finally picked up here…
    I’m having gusts 22-24mph now
    Sure took awhile to push east of I-5 it seems.

  15. TheTriforceofinvisbility says:

    I am having south winds sounding like in the upper 20s enough to make the tops of Oak trees to move slightly during higher gusts. If this were winter I wouldn’t be as impressed but this in the summer. Your right this is amazing for summer.

  16. TheTriforceofinvisbility says:

    I am having south winds sounding like in the upper 20s enough to make the tops of Oak trees to move slightly during higher gusts. If this were winter I wouldn’t be as impressed but this in the summer. Your right this is amazing for summer.

  17. Rob says:

    I was reading through the posts and noticed someone mentioned meetings…. Do you guys hold meetings? If so where do i find info about them?

  18. Rob says:

    I was reading through the posts and noticed someone mentioned meetings…. Do you guys hold meetings? If so where do i find info about them?

  19. Rob says:

    I was reading through the posts and noticed someone mentioned meetings…. Do you guys hold meetings? If so where do i find info about them?

  20. Atmospheric Wrath -Far S.E. Portland- says:

    29.8 that is very impressive….
    Seeing S winds popping up all over the mesowest observation maps it looks so much like Fall with a strong cold approaching.
    I tell you when you get 7+ miles south of the Columbia River as I am things are not as wet or breezy (yet)
    Triforce, I think areas south of PDX aren’t getting quite as much moisture.
    [Surface gradients]
    As of 11 PM
    OLM-EUG: -4.4
    PDX-EUG: -1.5

  21. Atmospheric Wrath -Far S.E. Portland- says:

    29.8 that is very impressive….
    Seeing S winds popping up all over the mesowest observation maps it looks so much like Fall with a strong cold approaching.
    I tell you when you get 7+ miles south of the Columbia River as I am things are not as wet or breezy (yet)
    Triforce, I think areas south of PDX aren’t getting quite as much moisture.
    [Surface gradients]
    As of 11 PM
    OLM-EUG: -4.4
    PDX-EUG: -1.5

  22. IceKeeg - Beaverton says:

    Luvry – was just out in the Tanasbourne area and it definitely felt like November out there. Here at my location in Beav, rain is lighter and so it feels little warmer. But still, the ever present mist, gusty wind and low 60s remind me of one of our occasional warm south wind storms in early winter. It’s definitely got my internal clock screwed up.

  23. Luvry says:

    Wow, how is nobody seeing anything??? This is a classic october day! I’m getting multiple gusts over 20 mph, as we speak, I just had a gust to 29.8!!! ARE YOU KIDDING ME??? This is most impressive…I have not expierenced anything like this in mid august in all my years. It’s been raining off and on for almost 6 hours!!! I’ve had bouts of heavy rain and wind, I have crap blowing around my backyard, blowing off my table, how the heck is nobody else seeing anything?????

  24. Andrew from Portland, OR and Ellensburg, WA says:

    Weird to see so many people reporting almost nothing. I have been seeing a steady light rain to sometimes moderate here in the west hills of Portland. Rain gauge says .19

  25. TheTriforceofinvisiblity says:

    Not much here except some ligh rain around 6ish I think and that’s it. So much for that large storm. I should have known nothing would have happened. 😦 .08 on my gauge.
    The weather Angel is screwing us lately it seems. She likes to tease us this whole summer. 😛 to her.

  26. Luvry says:

    Gust to 26.8 mph in the last 15 minutes.

  27. Andrew from Portland, OR and Ellensburg, WA says:

    Been getting some fairly moderate bands of rain here in the west hills the last couple of hours on and off. PDX is recording over

  28. Jesse-Orchards says:

    Been raining since 5 here as well. Have over a quarter inch so far.

  29. Boring Larry in Cherryville el.918 says:

    …i think under-achieving is a term that doesn’t apply here…it’s been raining off and on since 4….i know that’s a shocker..

  30. Atmospheric Wrath -Far S.E. Portland- says:

    I can’t manage more than drizzle/mist here….

  31. Luvry says:

    It is now raining like October/November out here. South Winds have been gusting from about 13-15 mph so far.
    This is very RARE for august, wow!

  32. Atmospheric Wrath -Far S.E. Portland- says:

    I’ve been over on the Fox4 Dallas site with the folks there. They are dealing with an upper level low and cooler temps. They even have flash flood watches and warnings going on. I was providing analysis/tracking for a few hours.
    So it seems a bit wacky in a few places right now for August.
    Our region radar shows spotty areas of light rain/mist over western Oregon with much more steady consolidated moisture over western Washington. No surprise there certainly.
    I am going to stand by my previous statement that some places are going to underachieve in terms of rainfall for this system. Other places in Clark County may do alright or near the Coast Range/Cascades… I am just not feeling it for a widespread rainfall in the valley.

  33. Atmospheric Wrath -Far S.E. Portland- says:

    I’ve been over on the Fox4 Dallas site with the folks there. They are dealing with an upper level low and cooler temps. They even have flash flood watches and warnings going on. I was providing analysis/tracking for a few hours.
    So it seems a bit wacky in a few places right now for August.
    Our region radar shows spotty areas of light rain/mist over western Oregon with much more steady consolidated moisture over western Washington. No surprise there certainly.
    I am going to stand by my previous statement that some places are going to underachieve in terms of rainfall for this system. Other places in Clark County may do alright or near the Coast Range/Cascades… I am just not feeling it for a widespread rainfall in the valley.

  34. Sandi (Wilsonville) says:

    I assume one reason is that there are harvests going on right now and folks heading to the back country for camping/backpacking that need to know that “more than a trace amount of steady rain” is coming their way in advance so they can prepare or change plans.

  35. Mike (Sweet Home) says:

    Currently 63.5° and light rain. So far only 0.04″ of liquid sunshine.

  36. TriforceofInvisiblity says:

    I am at 63F and cloudy with light rain.

  37. Atmospheric Wrath -Far S.E. Portland- says:

    Okay, lol
    It isn’t really that important then.
    I know I’d never hear such garbage from Fox12.

  38. Atmospheric Wrath -Far S.E. Portland- says:

    Okay, lol
    It isn’t really that important then.
    I know I’d never hear such garbage from Fox12.

  39. wendy-silverlake,wa says:

    When are the winds suppose to start?

  40. wendy-silverlake,wa says:

    When are the winds suppose to start?

  41. wendy-silverlake,wa says:

    When are the winds suppose to start?

  42. Atmospheric Wrath -Far S.E. Portland- says:

    Luvry, looks like rain may increase a bit. Radar is showing some slight enhancement to your SW over the Gaston area.

  43. Atmospheric Wrath -Far S.E. Portland- says:

    Pouring? Excellent.
    Getting a few drops here finally.
    I do think we may under perform with rainfall totals here… We’ll see.

  44. Luvry (Tanasbourne) says:

    it is now pouring here!

  45. Luvry (Tanasbourne) says:

    it is now pouring here!

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