Tuesday, August21, 2018 L-36.com


Marine Weather and Tides
Odell, OR

Version 3.4
What's New / NOTES
7/21/2018 Trying to make page Mobile Friendly

Sunrise 6:17AMSunset 8:07PM Tuesday August 21, 2018 1:36 AM PDT (08:36 UTC) Moonrise 4:20PMMoonset 12:47AM Illumination 74% Phase: Waxing Gibbous; Moon at 10 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
    EDIT      (on/off)   Help


7 Day Forecast for Marine Location Near Odell, OR
   Hourly   EDIT   Help
location: 45.67, -121.54     debug


Area Discussion for - Portland, OR
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 kpqr 210410
afdpqr
area forecast discussion
national weather service portland or
910 pm pdt Mon aug 20 2018
updated aviation section.

Synopsis A weak upper level low pressure system over oregon
mon will move east will move east Tue and wed. Other than a slight
chance of thunderstorms in the cascades this afternoon and evening,
this systems will be mostly dry for NW oregon and SW washington.

Offshore flow will result in warming temps through tue, as well as
an influx of smoke and haze into the region from fires burning in bc
and eastern wa. Cooler weather is expected to return toward the end
of the week as onshore flow returns.

Short term Today through Thursday... The first upper low was seen
in water vapor pictures heading into id this afternoon, while
another shortwave was digging SW across wa and northern or. There
are some cumulus clouds showing up along the east slopes of the wa
and or cascades early this afternoon, where SPC mesoanalysis shows
some instability developing. Will plan on kweeping just a slight
chance for thunderstorms through the evening along the cascades
until the shortwave digs W out past the cascades.

Models are consistent in dropping the axis of the upper trough south
of the forecast area by Tue morning, before moving off to the east
later tue. A positively tilted upper ridge follows, pushing down
into wa and western or tue, ending any threat of thunderstorms over
the region. A thermal trough developing up the oregon coast tonight
and Tue turns the low level flow more directly offshore, which will
tend to keep temps warmer tonight and bring warmer temps during the
day tue. The smoke however stays in this flow pattern, and appears
likely to remain thick enough to keep air quality down and knock a
few degrees off the high temps tue, similar to the way temps were
going on mon.

Surface flow GOES kind of flat Tue night, before developing an
onshore flow wed. The onshore flow is likely to knock temps down a
little wed, but considerably more so on Thu as an upper level trough
of low pressures arrives from the nw. After clouds retreat off the
coast Tue with the offshoore flow, marine air is likely to spread
clouds back onto the coast during the day wed, before pushing
through the coast range Wed night. Some hints in model QPF fields
that the shallow marine moisture to result in patchy drizzle along
the coast late Wed night and Thu morning.

Long term Thursday night through Monday... Models still looking
good for a pattern shift later this week. Northwesterly flow sets up
behind the trough that swings through Thursday morning. This should
keep temperatures cooler with lower 500-mb heights and also allow
for an upper-level trough to swing through late Sunday or Monday.

To be a bit pessimistic, I have to note that we've seen a couple of
these already this year which have shifted track as we get closer.

The latest ECMWF has now shifted the trough a bit farther east and
weakened it. I'm worried that this will be the case again, so have
left only a slight chance to a chance of pops in the forecast for
Sunday into Monday, despite that both the GFS and ECMWF have precip
for that period. Hopefully this forecast pattern pans out, which
would keep us cooler into next week, with maybe even some rain.

-mccoy

Aviation Ifr stratus and fog at the coast this evening should
gradually pull away from the coast overnight as offshore flow
develops. Meanwhile, low level smoke and haze has a mix ofVFR,
MVFR, and ifr conditions over the interior lowlands. There may
be a bit of improvement later this evening and early in the
overnight period. However, think conditions will deteriorate
further through the day Tue as the strengthening offshore flow
pulls more smoke from the columbia basin and daytime heating
mixes it to the surface. Expect a mix of MVFR and ifr conditions
for the interior TAF sites through most of the day. The coast
may see MVFR in smoke at times through the morning as well.

Kpdx and approaches Expect mainly MVFR visibilities through
tonight due to continuing issues with low level smoke. It is
possible there will be a bit of improvement late tonight.

However, conditions should deteriorate further Tuesday as
offshore flow increases and brings more smoke from east of the
cascades. Pyle

Marine High pressure over the northeast pacific and thermally
induced low pressure over northern california and the great
basin will continue through the upcoming work week. This will
result in gusts generally remaining below 20 kt through the week
with seas in the 4 to 6 ft range. Seas will become mixed and
choppy starting tonight as multiple wave trains with periods
around 7 seconds and 12 seconds move across the waters. A storm
system dropping southeastward out of the gulf of alaska may
result in winds picking up next weekend. Neuman

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... None.

Interact with us via social media:


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LOPW1 - 9440422 - Longview, WA 81 mi43 min 72°F1015.9 hPa

Wind History for Longview, WA
(wind in knots)    EDIT      (on/off)   Help
Last
24hr
1 day
ago
2 days
ago

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Dalles Municipal Airport, WA21 mi44 minNW 54.00 miOvercast with Haze66°F52°F61%1015.9 hPa

Wind History from CZK (wind in knots)
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
Last 24hr24------------------------SW12
G20
SW6W6----SW65SW5
G15
5SW11
G18
1 day ago53------------------------322SW632SE2E21S2
2 days ago----------------------------1214334434

Tide / Current Tables for Ellsworth, Washington - IGNORE HEIGHTS
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Ellsworth
Click for MapNote: The Columbia River is subject to annual freshets. Short range predictions are available at local river forecast centers. The data for stations above Harrington Point apply only during low river stages. There is a tidal influence along most of the

Tue -- 01:51 AM PDT     Moonset
Tue -- 03:59 AM PDT     7.46 feet High Tide
Tue -- 06:18 AM PDT     Sunrise
Tue -- 01:10 PM PDT     0.18 feet Low Tide
Tue -- 05:23 PM PDT     Moonrise
Tue -- 05:35 PM PDT     6.18 feet High Tide
Tue -- 08:07 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
2.83.75.46.87.57.26.65.64.53.42.31.30.50.20.72.34.45.96.15.85.34.63.93.3

Tide / Current Tables for Vancouver, Washington - IGNORE HEIGHTS
   EDIT      (on/off)   Help   One Week of Data
Vancouver
Click for MapNote: The Columbia River is subject to annual freshets. Short range predictions are available at local river forecast centers. The data for stations above Harrington Point apply only during low river stages. There is a tidal influence along most of the

Tue -- 01:52 AM PDT     Moonset
Tue -- 03:33 AM PDT     7.46 feet High Tide
Tue -- 06:18 AM PDT     Sunrise
Tue -- 12:45 PM PDT     0.18 feet Low Tide
Tue -- 05:09 PM PDT     6.18 feet High Tide
Tue -- 05:24 PM PDT     Moonrise
Tue -- 08:08 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
34.467.27.476.25.24.12.91.80.90.30.21.33.25.26.265.654.33.73.1

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
wmap_P
GOES Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Portland, OR (4,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Portland, OR
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.