Monday, April23, 2018 L-36.com


Marine Weather and Tides
Lakeway, TX

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:52AMSunset 8:05PM Monday April 23, 2018 9:57 PM CDT (02:57 UTC) Moonrise 12:56PMMoonset 1:54AM Illumination 63% Phase: Waxing Gibbous; Moon at 9 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 Lakeway, TX
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location: 30.35, -97.98     debug


Area Discussion for - Austin/San Antonio, TX
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Fxus64 kewx 232335
afdewx
area forecast discussion
national weather service austin san antonio tx
635 pm cdt Mon apr 23 2018

Update
00z aviation forecast below.

Aviation
Vfr conditions will prevail tonight and Tuesday with high cirrus
streaming into the region. Winds at Sat aus becoming light and
variable overnight through mid morning Tuesday. Winds at drt
se around 10 kts overnight through mid morning Tuesday.

Prev discussion issued 313 pm cdt Mon apr 23 2018
short term (tonight through Tuesday night)...

light southerly flow develops tonight into Tuesday morning with low
level moisture slow to return. For this reason, will stick to
conservative pops for when an unstable nwly flow pattern develops
late Tuesday night over the southern edwards plateau. The slow return
of dewpoints should lead to below normal mins tonight, then near
normal mins for Tuesday night. In between, abundant Sun Tuesday
should bring above normal maxes. Clouds should increase late Tuesday
night with probably most of the clouds arriving in the mid levels.

Long term (Wednesday through Monday)...

a cold front arrives Wednesday morning and brings enhanced lift to
add to the instability aloft, making for favorable conditions for at
least scattered convection. Typical NW flow events are progressive
and likely to produce hit-and-miss type coverage, especially given
the limited time for moisture to pool. Without a gulf inflow to feed
the lingering NW flow pattern, expect the convection to be mainly
elevated with showers and weak thunderstorms. By Thursday morning,
the flow aloft becomes dry and stable in advance of a weather NW flow
perturbation bringing a mostly dry front into the area Friday
morning. The weaker front should allow for faster moisture recovery
over the weekend as the pattern becomes zonal aloft. Mostly stable
conditions are expected Saturday with a weak perturbation developing
convection over NRN mexico just to the west of our area during the
day. A persistent SW flow pattern aloft developing into next Monday
should looks to promote orographic convection over mexico with weak
perturbations spilling NE into our forecast area lined with pacific
moisture. This pattern should lead to continued mild weather and
isolated to low chance pops Saturday night into next Monday.

Preliminary point temps pops
Austin camp mabry 58 87 60 78 53 0 0 - 30 30
austin bergstrom intl airport 55 86 58 78 52 0 0 - 30 30
new braunfels muni airport 56 86 59 78 54 0 0 - 30 40
burnet muni airport 56 86 59 73 49 0 0 - 40 30
del rio intl airport 62 92 66 75 57 0 0 - 60 40
georgetown muni airport 55 85 58 77 51 0 0 - 30 30
hondo muni airport 57 89 61 78 55 0 0 - 40 40
san marcos muni airport 56 87 59 78 53 0 0 - 30 30
la grange - fayette regional 56 84 60 80 55 0 0 - 20 30
san antonio intl airport 59 87 61 78 56 0 0 - 30 40
stinson muni airport 58 88 62 79 57 0 0 - 30 40

Ewx watches warnings advisories
None.

Mesoscale aviation... Runyen
synoptic grids... Treadway
public service data collection... Yb


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lago Vista TX, Rusty Allen Airport, TX10 mi63 minNE 710.00 miFair72°F45°F38%1016.6 hPa
Austin City, Austin Camp Mabry, TX11 mi67 minN 010.00 miFair75°F46°F37%1015.3 hPa
Austin-Bergstrom International Airport, TX20 mi65 minS 410.00 miA Few Clouds68°F54°F61%1015.3 hPa
Austin Executive Airport, TX22 mi63 minN 010.00 miFair72°F48°F44%1016.3 hPa
Horseshoe Bay Resort Airpark, TX24 mi63 minS 3 miFair66°F47°F51%1016.3 hPa

Wind History from RYW (wind in knots)
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Last 24hrN6NE7NE7CalmCalmSW3W3W3NW5W5W5NW4N3N5N3W3
G7
W9
G14
W7W8
G14
W7NW4N5NE5NE6
1 day agoN14
G22
N13
G21
N12
G16
NW6N6N6NW7NW5N7N7
G14
N8
G15
N5
G18
N8
G15
N8N10
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N8
G17
NW3
G15
N8
G16
NW10
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N7
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G15
N4N4N4
2 days agoE10
G14
SE12
G19
E12
G18
E9
G15
E7
G15
SE9E4E3E5E6E6E5E6SE3S4S3CalmS4S5SE4S4SE4SE3Calm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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wmap_A
GOES Local Image of SouthCentralPlains    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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Austin/San Antonio, TX (22,6,7,8)
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Ground Weather Radar Station Central Texas
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weather_mapweather_map weather_map

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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 numerious 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.