Thursday, July29, 2021
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Marine Weather and Tides
Elgin, OR

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 5:31AMSunset 8:28PM Thursday July 29, 2021 7:19 AM PDT (14:19 UTC) Moonrise 11:28PMMoonset 11:42AM Illumination 73% Phase: Waning Gibbous; Moon at 20 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
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7 Day Forecast for Marine Location Near Elgin, OR
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location: 45.61, -117.91     debug


Area Discussion for - Pendleton, OR
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FXUS66 KPDT 291027 AAA AFDPDT

Area Forecast Discussion . Updated National Weather Service Pendleton OR 330 AM PDT Thu Jul 29 2021

Updated aviation discussion

SHORT TERM. Today through Saturday. Mainly clear skies across the region early this morning with mild temperatures and light winds. Expect sunny skies through the morning then becoming partly cloudy in the afternoon. Southerly flow aloft continues with a fair amount of low and mid level instability. Water vapor imagery showing a weak short wave moving northward across California. This will likely result in scattered thunderstorms later this afternoon and evening over central Oregon. Models are in good agreement on this scenario. The storms should dissipate in the late evening hours with partly cloudy conditions overnight. Similar pattern on Friday although the approaching short wave will be stronger. Expect thunderstorms to develop in the afternoon over central Oregon. These will continue into the evening then dissipate. By Saturday a deeper plume of moisture will be over the area and will likely result in more widespread showers and thunderstorms. Hot temperatures the next few days with 850mb temps 25-30C. This will give 90s to 102 today and upper 90s to 107 Fri. Sat temperatures will be more dependent on increasing cloud cover. Will likely end up with cooler temps and higher humidity as dew points approach 55-60 degrees. 94

LONG TERM. Sunday through Thursday . Ensemble means continue to be in good agreement. However, they do begin to diverge in their handling of the retreating upper level ridge and the strengthening low off the BC coast. The ECMWF weakens the ridge quicker and moves it westward to southern CA/western AZ while the GFS keeps it stronger and a little farther east. This results in a more southerly component in the upper level flow across the CWA with respect to the GFS, especially by mid-week. If this pans out, some drier air may filter into the area reducing our chance of mountains showers or thunderstorms by Thursday. As the high PWATs push east of the area Monday or Tuesday we'll begin to see more normal values over the area. In the interim, Sunday should be the last day of widespread precipitation, especially over our eastern CWA. Deterministic models show a nice disturbance moving through the area during the afternoon which should enhance convective activity, especially over our eastern CWA. Very heavy rainfall could occur with the stronger storms, especially if the slower ECMWF solution pans out. Areal coverage, mainly over the mountains, will decrease each day as the atmosphere continues to dry out.

Daytime highs are expected to finally drop to near normal values through much of next week. However, there are enough differences in the ensemble members to warrant a nudge to slightly above normal, especially if the ECMWF is correct. Earle

AVIATION. 12Z TAFS . VFR conditions will prevail through the period. Isolated thunderstorms are expected to develop over Central Oregon and along the OR Cascades. At this time, none of these storms are expected to affect KRDM or KBDN. Some mid/high level clouds will continue through the period. Winds will be 5-12 kts with higher afternoon gusts. Winds will decrease overnight. Earle

PRELIMINARY POINT TEMPS/POPS. PDT 99 68 105 70 / 0 10 10 10 ALW 102 70 107 74 / 0 0 10 10 PSC 102 69 107 74 / 0 0 10 10 YKM 100 69 104 73 / 0 0 10 10 HRI 103 69 107 73 / 0 10 10 10 ELN 98 66 103 70 / 0 0 10 10 RDM 97 61 99 63 / 20 30 20 20 LGD 96 63 100 66 / 0 0 10 10 GCD 97 65 99 67 / 10 20 10 10 DLS 101 72 105 75 / 0 10 10 10

PDT WATCHES/WARNINGS/ADVISORIES. OR . Heat Advisory from 11 AM this morning to 8 PM PDT Saturday for ORZ041-044-505-507-508-510-511.

Red Flag Warning from 2 PM this afternoon to 11 PM PDT this evening for ORZ610-611.

Fire Weather Watch from Friday afternoon through Friday evening for ORZ610-611.

WA . Heat Advisory from 11 AM this morning to 8 PM PDT Saturday for WAZ024-026>029-521.



SHORT TERM . 94 LONG TERM . 81 AVIATION . 81


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
La Grande/Union County Airport, OR23 mi24 minN 010.00 miFair64°F51°F63%1018.9 hPa

Link to 5 minute data for KLGD

Wind History from LGD (wind in knots)
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Last 24hrNW10N6N4NE7N9N5NE9NW9NW4N6N8N7N7NW3NW8NW6NW9NW9NW7N9S3SW3CalmCalm
1 day agoNW8N7W3NW11NW15NW13NW11
G17
NW14NW10NW13N6NW6--NW6NW6N7NW11W12NW9NW7NW10W9NW11NW7
2 days agoW34CalmE7NW3SE6S4NE4SE6W3E8NW3CalmCalmW6NE3CalmCalmCalmSE3W3SE5CalmNE5

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of PacificNorthwest    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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