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snow_wizzard
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#4221 Postby snow_wizzard » Fri Apr 08, 2005 12:41 am

Amazing! It is now clear, calm, and 41 in Covington. With a weak offshore gradient later tonight it could actually frost!

The trough next week continues to look UNSEASONABLY cold! I would not be at all surprised to see some record lows before this is all over. The prospects appear to be good for afternoon thundershowers for a good part of next week. This is going to be fun.
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andycottle
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#4222 Postby andycottle » Fri Apr 08, 2005 12:41 am

Hey all! Just got home from school. Wow..! I sure had a heavy rain band move through my area today! It was just pouring, and I mean it was REALLY coming down. The rain squall that came through put down .51" or rain! And guess what...I called the Seattle NWS to report it just a few minutes ago.

This is my report I posted in another weather group.

Rain Report
By: Weather Spotter, Andy Cottle of Woodinville, Wa
Date: 4/7/05
Time of day when Rain event occured: 3:15pm
Location of where it occured: Molbak`s Nursey in Woodinville

The rain that came down this aftenoon was just an absolute down pour with slanting rain. Torrintal down pour! By watching the rain, and seeing just how hard it was coming down....my estimate is that it was coming down at least .50" to more like 1.00" an hour during the 15min time period of when the rain squall came through. Not really much wind to speak of. There was also slight ponding of water in the lower parking lot in front of Molbaks Nursey, but the drains were able to handel the water despite the heavy rain. Very soaking rain to the least!
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#4223 Postby snow_wizzard » Fri Apr 08, 2005 12:58 am

The radar sure showed that was a downpour! It sure is hard to believe that some people think we are still in a drought. This is certainly the soggiest drought in the history of mankind! :lol:

I knew they should have waited a month before they declared the drought emergency. What a joke....
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andycottle
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#4224 Postby andycottle » Fri Apr 08, 2005 1:17 am

Hi all again. Here are some pics I took of our heavy rain that came through Woodinville early this afternoon. And as I mentioned, that rain squall was certainly a drencher! -- Andy

http://pg.photos.yahoo.com/ph/ajc192004 ... .dir=/75dd
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#4225 Postby andycottle » Fri Apr 08, 2005 3:04 am

Viewing tonights GFS, tomorrow should be mostly dry...though a few showers can`t totaly be ruled out as a 1000MB low heads down into Oregon and Northen Cal. With the system moving into Oregon, that means the main action will be carreid with it, but still sending clouds our way. So majorty of the Seattle area probably ending up with cloudy skies and possibly some peaks of sun. Saturday may be somewhat of a better day, though it will be a little cool. Sunday through Wednesday of next week looks like a rather cool and very unsetteled weather patteren sets up to give us more interesting weather similar to what we`ve been having lately.

And finally...come around wednesday the 13th, a very cool trough...at the surface and through upper layers, has 850MB temps of around -6C with heights near 1350. 500MB vorticity heights are near 534DM with 700MB heights of 2910M. Both ETA and MRF also showing a cool trough sometime around the 13th - 15th. So if models are correct, we should see some pretty exciting weather....in the form of thunder showers, ice pellet showers, and maybe even some breezy winds.

-- Andy
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#4226 Postby Guest » Fri Apr 08, 2005 9:05 am

Amazing rain pictures... those are awesome, I like the parking lot one.
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#4227 Postby andycottle » Fri Apr 08, 2005 11:27 am

Thanks Brennan! 8-) :D

Latest GFS, AVN, and MRF, along with the UKMET model...are all developing a very cool for this coming Tuesday/Wednesday time frame. In fact, it`s so cool that the local GFS http://www.iges.org/pix/seagfs.png
is showing heights of around 525DM. 850MB temps are near -6C with heights of near 1470M. Seattle MOS showing high temps in the lower 50`s for that time frame with 24hr POP of 78%. So should be an interesting couple of days! With a trough this cool in nature, were likely too see thunder showers, very low snow levels of around 1500ft and our good Ol` friend the PSCZ. Bring on the excting weather!

-- Andy
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#4228 Postby andycottle » Fri Apr 08, 2005 2:11 pm

Good afternoon folks. A nice sunny afternoon it is! Currently I have a temp of 52 with humidity 46%, DP 32, and baro 29.38 and holding steady. Have a great afternoon you all! -- Andy
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AnthonyC
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#4229 Postby AnthonyC » Fri Apr 08, 2005 3:42 pm

An awesome afternoon, though a little too cold for my taste...currently mostly sunny conditions with a temperature of 51F.

As for the extended, Sunday thru Wednesday look interesting with an upper level trough located over the PNW. Temperatures will be below normal...afternoon highs around 50F, overnight lows in the upper 30s...with plenty of showers and good orographic lift for the mountains. There's not a big, organized system coming through, but plenty of instability which should create some active weather. Remember, April is the prime month for thunderstorms in Western Washington.

Tomorrow I'm off to Stevens Pass to do a little snowboarding before I take a few college visits over Spring Break. I'll be gone Sunday thru Tuesday, visiting Willamette and Gonzaga Universities. Looking at latest pass cams, they need some more snow at the passes...things are quickly melting.

Anthony
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#4230 Postby PurdueWx80 » Fri Apr 08, 2005 4:38 pm

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#4231 Postby W13 » Fri Apr 08, 2005 6:29 pm

snow_wizzard wrote:Justin,

I have the daily records for Palmer back to 1930. It is a huge file that is rather hard to post or share. I will tell you one thing for sure...there are some snowstorms and cold spells in there that would knock your socks off! Would you believe they had 116 inches of snow in Jan 1950 with a maximum depth of 62 inches! The winter of 1948 - 49 was also totally amazing out there. They had snow on the ground every day from early Dec through early March. Even Jan 2004 had some pretty serious drifts that I saw! I might be able to email you the file if your email is capable of handling a few megabytes at one time. Those records cost me $70.00, but I am glad to share them. For anyone that's interested I also have records for Clearbrook, which is very close to Sumas back to 1930. Talk about some bloody cold stuff! This is all part of my project to pick out the ultimate place to live in Western WA.

Invisible...The 850mb temps are down to about -3 or -4 right now, so snow could fall down to about 1500 - 2000 feet! This is the way April used to be...back in the good old days!


Yeah, my email is very capable of holding a few megabytes, considering it is Gmail (which can only 1 gigabyte of data). :wink:

Send it to: xbmedia@gmail.com

Thank you in advance, I cannot wait to check this stuff out. :D
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#4232 Postby R-Dub » Fri Apr 08, 2005 8:34 pm

A much better day today!! Yesterday we recieved 1.1" of rainfall. That is the most in a single day in a very long time up here!

Currently 45.8 degrees at 6:30PM and Mostly Sunny skies.
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#4233 Postby AnthonyC » Fri Apr 08, 2005 8:40 pm

Donsutherland's latest predictions should make Snow_Wizzard and Brennan very happy. Cool and unsettled for the next two weeks...JOY!! lol.

Anthony
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#4234 Postby R-Dub » Fri Apr 08, 2005 8:42 pm

AnthonyC wrote:Donsutherland's latest predictions should make Snow_Wizzard and Brennan very happy. Cool and unsettled for the next two weeks...JOY!! lol.

Anthony


NOOOOOOOOOO! :x :grr: :lol:

I would like to start playing on the lake sometime this year :cry:
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#4235 Postby andrewr » Fri Apr 08, 2005 8:50 pm

Anyone else reach freezing this morning? I know at my house and in Tacoma it did, although it was barely enough to put some light frost on exposed areas.
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TT-SEA

#4236 Postby TT-SEA » Fri Apr 08, 2005 9:00 pm

Flew back into a beautifully sunny and GREEN Seattle this afternoon.

The mountains looked awesome from above with lots of snow. The pilot was even excited about how different it looked now compared to early March when the mountains were bare.

It continues to look active next week. But then gradually calmer as the jet stream continues to move north and generally weaken as spring strengthens.

Although this pattern is much more fun than what we had during the late winter... its not that different from a normal April.

Snow_Wizzard... I keep reading your posts and I am not seeing anything that makes this April dramatically stand out. Its spring. Convergence zones are more active but there is more sun in between. Light frost is absolutely NORMAL for a post-frontal clear night in April. It would happen in California at times even in April. Today was just gorgeous and tomorrow will be as well. On Wednesday we were pushing 70 degrees.

This past week was much nicer than I thought it would be. I need to account for the fact that the sun angle is equivalent to AUGUST now. This April is not telling us anything about the pattern for next winter. That is a fact.
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#4237 Postby W13 » Fri Apr 08, 2005 9:27 pm

andrewr wrote:Anyone else reach freezing this morning? I know at my house and in Tacoma it did, although it was barely enough to put some light frost on exposed areas.


We got down to 32 F this morning as well, and had a little frost on the lawn and the roof.

Freezing fog was even reported in Auburn around 6:30 AM this morning. :eek:
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TT-SEA

#4238 Postby TT-SEA » Fri Apr 08, 2005 9:34 pm

High temperatures early next week should be about 5 degrees below normal.

Wednesday through Friday will have temperatures near normal.

I just hope we get more significant snow in the mountains.
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snow_wizzard
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#4239 Postby snow_wizzard » Fri Apr 08, 2005 11:54 pm

We shall see TT! I still think this could be one of the coolest April's in the last 25 years. Over half of the analogs for this month have been from the 1950s, so I am rightfully excited about that. I think you will be more impressed as next week unfolds.
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#4240 Postby andycottle » Sat Apr 09, 2005 12:45 am

My low this morning was 34 and high was 58. A nice mostly sunny day indeed! - -Andy
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