Friday, January17, 2020
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Marine Weather and Tides
Picture Rocks, AZ

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:24AMSunset 5:45PM Friday January 17, 2020 5:39 AM MST (12:39 UTC) Moonrise 12:27AMMoonset 12:20PM Illumination 53% Phase: Third Quarter Moon; Moon at 22 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 Picture Rocks, AZ
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location: 32.3, -111.21     debug


Area Discussion for - Tucson, AZ
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FXUS65 KTWC 171128 AFDTWC

Area Forecast Discussion National Weather Service Tucson AZ 428 AM MST Fri Jan 17 2020

SYNOPSIS. Dry conditions to prevail today into early next week. Temperatures will also be warming, with highs in the 70s for the lower deserts and generally 60s south and east of Tucson. A slight chance of showers will return Tuesday and Wednesday as a weak storm system brushes the region. This will also usher in slightly cooler temperatures.

UPDATE. Based on satellite imagery and observations, fog has become dense across portions of the Upper Gila River Valley and south into the San Simon Valley. Other areas of dense fog likely exist from Mammoth to Kearny, therefore decided to issue a Dense Fog Advisory to cover the morning commute across these areas. The advisory runs until 16Z.

DISCUSSION. issued 320 AM MST Fri Jan 17 2020/Our Thursday weather maker is sliding into the central U.S. and skies are clearing in its wake. With clearing skies and yesterday's rain, fog has developed and is currently located in the San Pedro River Valley from Mammoth to the confluence with the Gila River Valley. There are also other areas with fog development and this should continue through roughly 15Z this morning. There could be some isolated areas of dense fog near Safford, San Carlos, Bisbee, and Mammoth to Kearny, however it does not seem widespread enough for any products at this time.

As we head into the weekend, expect a nice warmup with daytime highs in the 70s for the lower deserts from Tucson west and 60s in the higher valleys south and east of Tucson. Sunday and Monday look to be the warmest, however there will be some high clouds around which may limit the full potential.

Once the ridge quickly progresses east of the area Monday into Tuesday, multiple shortwaves will then progress through muddled flow. The first two shortwaves will move through the region Tuesday and Wednesday. The third shortwave is forecast to pass through the region generally Friday. With each passing shortwave, cloudiness and light valley rain showers and high elevation mountain snow showers will be possible. At this time, precipitation potential favors areas east of Tucson. There is considerable differences in timing and southern extent of the shortwaves, but confidence of an unsettled pattern is high. Due to the cloudiness and isolated showers passing through the region, daytime temperatures will cool back into the 60s for the lower deserts and 50s south and east of Tucson Wednesday and beyond.

AVIATION. Valid through 18/12Z. Cloud decks near the AZ/NM border 8k-12k ft MSL clearing from west to east this morning. Areas of fog valleys mainly east of Tucson with periods of MVFR or IFR CIGS/VSBYS possible mainly KSAD/KDUG. Fog generally clearing by 17/16z. Then, generally SKC conditions through the remainder of the period except for a FEW passing clouds AOA 20k ft MSL this afternoon. Surface wind variable in direction less than 10 kts into Saturday morning. Aviation discussion not updated for TAF amendments.

FIRE WEATHER. Dry conditions will prevail into Monday. A slight chance of showers returns to areas near the New Mexico border and across the White Mountains Monday night through Tuesday, and again Wednesday into Wednesday evening. Elevated easterly 20-ft winds Sunday and Monday with some gusts to 25 mph. Westerly winds approaching 15 to 20 mph mainly east of Tucson on Wednesday. Otherwise, 20-ft winds terrain driven less than 15 mph.

TWC WATCHES/WARNINGS/ADVISORIES. Dense Fog Advisory until 9 AM MST this morning for AZZ506-508- 509.



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Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Davis-Monthan Air Force Base, AZ19 mi1.7 hrsSSE 910.00 miFair46°F41°F87%1018.1 hPa
Tucson, Tucson International Airport, AZ19 mi47 minESE 610.00 miFair47°F41°F80%1018 hPa

Link to 5 minute data for KTUS

Wind History from TUS (wind in knots)
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Last 24hrE34SE7S7SE6S6SW6S11SE14E8E5E6E6E4E8S3S5S8SE4SE6SE7E5SE7SE6
1 day agoSE6SE5S5SE5SE10SE6S6S4CalmNW4N4NW4NW4NW5S3CalmCalmS3CalmSE8SE4SE3W4SE7
2 days agoSE11SE11SE15SE8SE7E6CalmCalmN4N5N8NW5NW4CalmSE4SE4S4SE7CalmS4SE7SE6CalmSE5

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 Southwest    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.
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Wind Forecast for Tucson, AZ (7,2,3,4)
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Ground Weather Radar Station Tucson, AZ
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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 numerous 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.