Dover, ID Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Dover, ID

April 21, 2024 12:50 AM PDT (07:50 UTC) Change Location
Sunrise 5:43 AM   Sunset 7:47 PM
Moonrise 5:42 PM   Moonset 5:00 AM 
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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.

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7 Day Forecast for Marine Location Near Dover, ID
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Area Discussion for - Spokane, WA
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FXUS66 KOTX 210449 AFDOTX

Area Forecast Discussion National Weather Service Spokane WA 949 PM PDT Sat Apr 20 2024

SYNOPSIS
A strong cold front arrives this evening and overnight ushering gusty westerly winds and a chance for brief showers. Sunday will remain breezy. Mild and dry weather returns for the start of work week with 60s and 70s by Tuesday. The next cooling trend arrives Wednesday with small chances for mountain showers.

DISCUSSION
Tonight through Sunday night: Current satellite imagery at 2:00 PM this afternoon shows a cold front pushing into western Washington off of the eastern Pacific. Radar mosaic also shows a band of showers developing ahead of the front. The atmosphere is so dry with dew points in the 20s and teens that precipitation is expected to be fairly spotty with the front as it crosses east of the Cascades. It will be quite robust and bring strong cold air advection with 850 mb temperatures dropping 6-8 degree Celsius from this afternoon into Sunday. The strong temperature drop and potential for evaporative cooling suggests the potential for stronger wind gusts with frontal passage. Winds up at 850 mb only increase up to around 40 mph, some enhancement with the evaporative cooling could result in gusts up to 45-50 mph for places. The general consensus is for the potential of these higher gusts being in the lee of the Cascades, including the Waterville Plateau, and in the lee of the Northeast Blue Mountains. The northern portions of the Columbia Basin, into the West Plains and Palouse region will see the potential for stronger wind gusts with the passage of the cold front. The timing of the cold front looks to be between 10pm-12am in the lee of the Cascades late this evening, and then into the Idaho Panhandle between 2am-4am on Sunday. It will be during evening to overnight period where we will see combination of mixing with the front, evaporative cooling with showers, and a tightening surface gradient for the potential of stronger wind gusts that may lead to light weight objects becoming airborne. These stronger wind gusts will be relatively brief occurring over a span of 2 to 4 hours before remaining generally breezy through the rest of the morning into the afternoon hours on Sunday. A wind advisory is in effect between 10pm tonight through 7am Sunday morning. Make sure to secure or put away objects, such as trampolines, trash cans, and/or patio umbrellas that may become airborne with sudden gusts of stronger winds. There is also a small potential for patchy blowing dust near recently worked fields. Be aware that visibility may drop suddenly if dirt is picked up by the wind overnight.

By Sunday afternoon, wind gusts will have relaxed a bit to between 30-40 mph over much of the region. We will have lost the potential for the stronger 45-50 mph wind gusts by this time with our winds primarily being driven by a tight pressure gradient across the region. A strong dry slot moving in behind the front will keep us mostly dry. The exception will be the potential for diurnally driven showers near the Canadian border over the Northeast Mountains and in the Northern Panhandle. Temperatures will drop into the 50s for Sunday for most locations before seeing a rebound next week. /SVH

Monday and Tuesday: Quiet weather is expected for the beginning of the work week as a subtle ridge shifts over the Inland Northwest.
Widespread temperatures upper 50s to mid 60s on Monday and mid 60s to low 70s for Tuesday. Widespread near to slightly below freezing temperatures are expected again for Monday morning and then retreating to the northeast Washington and Idaho Panhandle valleys for Tuesday morning.

Wednesday through Saturday: The next system looks to arrive late Tuesday into early Wednesday, although there remains uncertainty on the timing and strength of this system. Precipitation will once again be confined mainly to the mountains with widespread breeziness expected. This will result in heightened concerns for grass fires along with blowing dust around recently plowed fields in the Columbia Basin Wednesday afternoon.

Models keep the region under an unsettled pattern through Saturday as a broad longwave trough encompasses most of the western United States. While most models are in general agreement with the existence of the trough, there are solutions on the exact depth and position. Because of this there is a high degree of uncertainty on what this means precipitation wise for the Inland Northwest as embedded shortwaves rotate around the trough. Right now, nothing is raising concerns of significant weather impacts. /vmt

AVIATION
00z TAFS: A vigorous cold front is sweeping east of the Cascades now and into the Idaho Panhandle by 1000Z. With the dry air in place, showers are expected to be primarily right along the front as it pushes through. Much of the region will remain VFR with brief MVFR conditions possible at KPUW to KCOE for Sunday morning. Expect a sharp wind shift from the west and northwest with gusts to between 25-35 kts with cold front passage. Stronger wind gusts of 30+ kts will be brief on the order of a few hours.
The stronger wind gusts may bring a brief period of blowing dust at KMWH. A brief period of low level wind shear will also be possible right ahead of the front tonight between 06-10Z at KPUW and KLWS.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: Confidence is high that VFR conditions will prevail. There is low confidence for blowing dust to reduce visibility at KMWH between 06-09Z tonight.
An alternate scenario includes a 20-30% chance for low stratus or stratocumulus clouds to result in MVFR conditions at KPUW-KCOE early Sunday morning.

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Confidence descriptors: Low - Less than a 30 percent chance Moderate - 30 to 70 percent chance High - Greater than a 70 percent chance

For additional probabilistic information for NWS Spokane airports, please refer to the Aviation Dashboard on our webpage: https:// www.weather.gov/otx/avndashboard

PRELIMINARY POINT TEMPS/POPS
Spokane 37 56 32 60 36 66 / 40 0 0 0 0 0 Coeur d'Alene 36 53 31 58 34 66 / 50 0 0 0 0 0 Pullman 37 52 33 56 35 65 / 30 0 0 0 0 0 Lewiston 45 60 38 64 39 73 / 30 0 0 0 0 0 Colville 33 57 29 62 32 68 / 70 10 10 0 0 0 Sandpoint 36 52 32 57 34 65 / 70 20 10 0 0 0 Kellogg 39 50 34 56 37 66 / 70 10 0 0 0 0 Moses Lake 38 62 34 64 38 70 / 20 0 0 0 0 0 Wenatchee 39 58 37 63 43 67 / 20 0 0 0 0 0 Omak 37 61 34 65 39 70 / 30 0 0 0 0 0

OTX WATCHES/WARNINGS/ADVISORIES
ID...Wind Advisory from 10 PM this evening to 7 AM PDT Sunday for Idaho Palouse.

WA...Wind Advisory from 10 PM this evening to 7 AM PDT Sunday for Lower Garfield and Asotin Counties-Spokane Area-Upper Columbia Basin-Washington Palouse-Waterville Plateau.




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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSZT SANDPOINT,ID 3 sm15 minS 0310 smOvercast46°F28°F49%29.99
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Wind History from SZT
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Spokane, WA,



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