Thursday, April15, 2021
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Marine Weather and Tides
Milton-Freewater, OR

Version 3.4
NOTICE
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 6:06AMSunset 7:40PM Wednesday April 14, 2021 10:26 PM PDT (05:26 UTC) Moonrise 7:31AMMoonset 10:31PM Illumination 11% Phase: Waxing Crescent; Moon at 3 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 Milton-Freewater, OR
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location: 45.94, -118.37     debug


Area Discussion for - Pendleton, OR
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FXUS66 KPDT 150341 AFDPDT

Area Forecast Discussion National Weather Service Pendleton OR 841 PM PDT Wed Apr 14 2021

UPDATE. Latest satellite imagery showed some clouds over the mountains over southern and eastern Oregon, associated with an upper low. But, weather-wise it is a quiet night and there is little to update. Just made a few minor tweaks to cloud cover and temps.

PREV DISCUSSION. /issued 430 PM PDT Wed Apr 14 2021/

Updated Aviation Discussion.

SHORT TERM . Tonight through Friday night . An upper low pressure system settling in the Great Basin is causing a northeast wrap around flow into the forecast area. This is resulting in patchy blowing dust in the Lower Columbia Basin of WA and some local blowing dust in the Yakima Valleys. These are where the strongest winds are expected this afternoon and early evening. Elsewhere, winds are not strong enough to lift dust into the air, however it is locally breezy across north central and central Oregon as well. This northeasterly flow will persist tonight and gradually transition to a more northerly flow by the end of the week as a high pressure system builds into the PacNW from the west. This will bring a warming trend beginning Thursday and continuing into the weekend and the extended period. It will be dry with little to no chance of precipitation. Some mid and high clouds will stream into eastern areas of the forecast area tonight and Thursday in the northeast flow around the Great Basin upper high pressure system. However, clouds will be thin enough to allow for good radiational cooling for chilly mornings. 88

LONG TERM . Saturday through Wednesday . The aforementioned upper ridge will persist through the weekend into early next week with a warming trend. The warmest days look to be on Sunday and Monday with highs well above normal by about 15-20 degrees for highs and 5-10 degrees above normal low temperatures. Then by late Monday a back door weather system and cold front will drop to the south- southwest and may bring some cooler air with possibly some showers and a more unstable atmosphere for Tuesday and Wednesday. However, there are some significant differences between the deterministic models and their ensembles for Tuesday and Wednesday, so confidence is only marginal to expect any significant precipitation at this time for that far out into the future, even though some models, particularly the GFS, is forecasting some significant precipitation by the middle of next week. Snow levels will be fairly high at or above 6000 ft MSL if there is any precipitation next week. Winds will generally be light, and will be mainly diurnally terrain driven through Sunday. Then on Monday, winds will be more north to northeast with locally breezy conditions. 88

AVIATION . 00Z TAFs . VFR conditions currently across all sites and that will continue through the period. Winds are expected to stay breezy for RDM/BDN/YKM/ALW until shortly after sunset. Winds will then subside to between 3 and 7 kts before ramping back up again through the morning on Thursday. Breezy conditions return for RDM/BDN/YKM/PDT through the afternoon and early evening hours tomorrow. 75

PRELIMINARY POINT TEMPS/POPS. PDT 35 65 36 70 / 0 0 0 0 ALW 38 70 41 74 / 0 0 0 0 PSC 42 73 43 76 / 0 0 0 0 YKM 41 72 40 75 / 0 0 0 0 HRI 38 70 40 74 / 0 0 0 0 ELN 39 72 39 73 / 0 0 0 0 RDM 27 61 31 68 / 0 0 0 0 LGD 32 61 33 65 / 0 0 0 0 GCD 31 63 34 68 / 0 0 0 0 DLS 44 72 46 76 / 0 0 0 0

PDT WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None.

SHORT TERM . 77 LONG TERM . 88 AVIATION . 75


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Walla Walla Regional Airport, WA11 mi34 minN 010.00 miFair47°F26°F44%1015.9 hPa

Link to 5 minute data for KALW

Wind History from ALW (wind in knots)
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Last 24hrNE12NE12NE15NE15NE15E10
G18
E9E7NE12S5S7--S444S9NE17
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1 day agoNE17NE12NE12E9CalmE4E5E4E4S7S74S443NE19
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2 days agoSW3E6CalmE10CalmE4E6SE4SE4CalmSW3SW4SW5Calm3N13
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NE17NE17NE12NE12

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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