Wednesday, August4, 2021
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Marine Weather and Tides
Keeler, CA

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 6:00AMSunset 7:53PM Wednesday August 4, 2021 12:14 PM PDT (19:14 UTC) Moonrise 2:11AMMoonset 5:24PM Illumination 13% Phase: Waning Crescent; Moon at 26 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 Keeler, CA
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location: 36.76, -117.52     debug


Area Discussion for - Las Vegas, NV
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FXUS65 KVEF 041745 AFDVEF

Area Forecast Discussion National Weather Service Las Vegas NV 1045 AM PDT Wed Aug 4 2021

SYNOPSIS. Dangerously hot weather is expected the next couple days across the Mojave Desert as strong high pressure sits overtop the region. High pressure will weaken late in the week giving way to increased southwesterly breezes and moderating temperatures. Monsoonal moisture looks to remain quite limited through at least early next week when slight chances return to Northwestern Arizona.

UPDATE. Dry conditions under sunny skies prevailed through the morning hours. Expecting this to persist through the afternoon, with only a few clouds over the higher terrain at times. Only change to the forecast for this afternoon was bumping up high temperatures a few degrees based on current trends and short-term guidance. The hottest temperature of the week are likely today and the Excessive Heat Warning looks good for where the hottest temperatures and highest heat risk are expected today through Thursday afternoon.

PREVIOUS DISCUSSION. 133 AM PDT Wed Aug 4 2021 DISCUSSION. through next Tuesday.

Hot conditions will be the main focus of the forecast the next couple days as a 595dm high sits overtop the Mojave Desert. Temperatures will plateau for some areas today, while other areas especially across southern Nevada will likely peak tomorrow thanks to the help of stronger afternoon breezes and increased mixing. Went ahead and expanded the current Excessive Heat headlines to include the eastern Mojave Desert, far southern Clark county, and Death Valley. Heat risk especially in the lower elevations of those zones rises into the high category the next couple afternoons. Remember to stay hydrated and limit time outdoors during these summer heat episodes, and never leave children or pets alone in hot vehicles.

The ridge of high pressure over the Desert Southwest that is to blame for the excessive heat will become squashed late- week, as a low pressure system moves inland off the coast of northern California and across the Great Basin. This system will lower heights, thus reducing temperatures Friday afternoon to around normal. However, another result of this system passing through will be increased winds.

Thursday, peak winds will be across the southern Great Basin, including Esmeralda, southern Nye, and Lincoln counties with gusts 20-25 mph. These winds will shift eastward through Friday, with gusty winds expected over Clark and southern Mohave counties. Relative humidities will be critical and in the single digits during the afternoons, potentially posing a wildfire threat for the region. Much of the Desert Southwest has received wetting rains in the last few weeks from the monsoon, so unsure how dry vegetation is at this time. Will follow up with fire officials in the morning to assess fire danger across the region.

Over the weekend, the high pressure will increase over the region once again, increasing temperatures. While this set up is ideal for monsoonal moisture surging up via a southeast flow, another low pressure system will drop down from the Pacific Northwest and across the southern Great Basin. This will prevent a strong southeast flow to bring monsoonal moisture into our region. With every model run, the ensembles shift the high pressure ridge further south and thus the keep the moisture return at bay. The NBM continues to decrease forecast PWAT values across the region, with the highest chances of precip over Mohave County, albeit 20 percent.

AVIATION. For McCarran . Light winds following typical diurnal trends are expected to remain through today. A few clouds aoa 10-12 kft developing along the higher terrain will be likely this afternoon, but no showers are expected. Another day of hot temperatures with highs expected to top out around 110 degrees.

For the rest of southern Nevada, northwest Arizona and southeast California . Generally light winds following typical diurnal trends are expected across the region. The exception being at KBIH where some southeasterly breezes to around 20-25 knots will be possible in the afternoon, as well as the typical breezy evening westerly winds at KDAG. A few clouds aoa 10-12 Kft developing along the higher terrain in southern NV & northwest AZ will be possible in the afternoon, otherwise expect mostly clear skies.

SPOTTER INFORMATION STATEMENT. Spotters are encouraged to report any significant weather or impacts according to standard operating procedures.

UPDATE . Nickerson DISCUSSION . Varian/Outler AVIATION . Gorelow

For more forecast information . see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bishop, Bishop Airport, CA62 mi19 minS 15 G 1910.00 miFair101°F35°F10%1012.2 hPa

Link to 5 minute data for KBIH

Wind History from BIH (wind in knots)
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Last 24hrSE9
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S7SE9SE13SE10SW4N5CalmNW3NW7NW5NW6NW5NW3N3CalmCalmCalm
1 day agoSE14SE11
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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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