Tuesday, January16, 2018 L-36.com


Marine Weather and Tides
Lost Creek, TX

Version 3.4
What's New / NOTES
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.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:26AMSunset 5:55PM Tuesday January 16, 2018 1:01 PM CST (19:01 UTC) Moonrise 7:04AMMoonset 5:47PM Illumination 0% Phase: New Moon; Moon at 29 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 Lost Creek, TX
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location: 30.36, -97.83     debug


Area Discussion for - Austin/San Antonio, TX
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Fxus64 kewx 161804 aab
afdewx
area forecast discussion... Updated
national weather service austin san antonio tx
1204 pm cst Tue jan 16 2018

Update
Have cancelled the winter weather advisory for far western areas as
well as winter storm warning for kinney county. Precipitation has
ended across these areas and impacts are minimal. Rest of winter
storm warning will remain in effect. Significant travel impacts
still occurring in many areas in the warning. A changeover to mostly
sleet has occurred and even light snow back over the hill country.

Precipitation should end northwest to southeast through the
afternoon.

Prev discussion issued 1138 am cst Tue jan 16 2018
aviation...

wintry precipitation will be coming to an end over the next few hours
in the austin and san antonio areas. Precipitation should be snow or
ice pellets at this point. CIGS will remainVFR through the period.

North winds will be around 20 kts with gusts up to 30 kts in austin
and san antonio until 19z or 20z. Then they will be about 5 kts
lower. At drt winds will be a bit lighter at around 15 kts with
gusts to 25 kts. Around 00z winds at all airports will drop to 10 kts
or less.

Prev discussion... Issued 953 am cst Tue jan 16 2018
update...

Dangerous travel conditions continue across south central texas
Non-essential travel highly discouraged
All of the CWA is now freezing. Band of freezing rain and sleet
earlier in the san antonio new braunfels hill country has resulted
in issues on areas roadways with numerous accidents and closures
reported. The heavier band has since moved east toward the u.S. 77
corridor and further travel impacts likely across the far eastern
cwa.

Back into the i-35 corridor from austin to san antonio, and back
west into portions of the southern hill country and u.S. 90 corridor
to hondo, patchy sleet will continue through the late morning with
some light snow possibly mixing in. Precipitation across this region
should gradually end northwest to southeast from noon to 3pm.

Freezing rain and sleet across the far eastern CWA should gradually
end 3pm-6pm. Despite precipitation ending in the afternoon and early
evening some roadways may remain icy into tonight as temperatures
remain freezing.

For now will retain current configuration of winter storm warning and
winter weather advisory. Could argue far northern areas of the cwa
could be dropped from warning, but will make that final call in the
afternoon package. Winter weather advisory in val verde county will
likely be allowed to expire at noon.

Prev discussion... Issued 444 am cst Tue jan 16 2018
short term (today through Wednesday)...

winter weather event underway across the hill country and northern
parts of south central texas slowly spreading to the remainder of
south central texas. The strong cold front has moved through all of
our area with a corresponding rapid drop in temperatures. Although
patches of rain continued where temperatures were above freezing, a
mix of freezing rain, sleet, and eventually snow has developed where
temperatures have dropped below freezing. Isentropic lift continues
this mix of precipitation this morning, then shifts to the south and
east this afternoon with all precipitation ending early this evening.

Forecast soundings show as the sub-freezing layer deepens, a mix of
sleet and snow is expected north with freezing rain and sleet south.

Ice accumulations of mainly 1 10 inch are expected with isolated 1 4
inch amounts possible. Snow accumulations of less than 1 2 inch and
mainly less than 1 10 inch are also possible. Temperatures will not
show much trend today remaining below freezing across most areas. As
the airmass dries, decreasing clouds and winds will allow for a hard
freeze tonight across most areas. Temperatures should rise above
freezing across our area with a great deal of Sun on Wednesday.

Long term (Wednesday night through Monday)...

all models have slowed the progression of the next upper level trough
and it's now expected for Thursday night into Friday. The threat for
another round of winter type precipitation has been significantly
reduced as temperatures are expected to be above freezing Thursday
night into Friday when rain chances come back into the forecast.

Prior to this, another freeze, with a hard freeze some areas, is
expected Wednesday night into Thursday morning. A warming trend is
expected after this as southerly winds return late week into this
weekend. Another upper level trough and surface cold front move
through our area on Sunday bringing chances of showers for Saturday
into Sunday. Some instability will develop and have introduced
thunderstorms to the forecast for Sunday. Cooler and drier is
expected for next Monday, though a bit warmer than our ongoing cold
airmass.

Preliminary point temps pops
Austin camp mabry 27 20 38 24 44 60 - 0 - 10
austin bergstrom intl airport 26 18 37 21 43 60 - 0 - 10
new braunfels muni airport 28 21 38 25 44 70 10 0 10 10
burnet muni airport 25 15 37 21 45 30 - 0 - 10
del rio intl airport 34 27 41 28 47 30 - 0 10 10
georgetown muni airport 25 14 37 21 45 40 - 0 - 10
hondo muni airport 30 22 41 27 44 60 - 0 10 10
san marcos muni airport 26 19 38 25 43 70 10 0 10 10
la grange - fayette regional 29 20 37 24 42 70 10 0 10 10
san antonio intl airport 28 22 39 28 43 70 10 0 10 10
stinson muni airport 30 23 40 29 44 70 10 0 10 10

Ewx watches warnings advisories
Winter storm warning until 6 pm cst this evening for the following
counties: atascosa... Bandera... Bastrop... Bexar... Blanco... Burnet...

caldwell... Comal... De witt... Edwards... Fayette... Frio... Gillespie...

gonzales... Guadalupe... Hays... Karnes... Kendall... Kerr... Lavaca...

lee... Llano... Medina... Real... Travis... Uvalde... Williamson... Wilson.

Mesoscale aviation... 05
synoptic grids... Runyen
public service data collection... Williams


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Austin City, Austin Camp Mabry, TX4 mi70 minN 10 G 1710.00 miOvercast27°F10°F49%1041.9 hPa
Lago Vista TX, Rusty Allen Airport, TX12 mi66 minno data10.00 miOvercast26°F7°F45%1039.6 hPa
Austin Executive Airport, TX14 mi66 minN 21 G 2510.00 miOvercast and Breezy25°F10°F54%1040.6 hPa
Austin-Bergstrom International Airport, TX15 mi68 minN 1610.00 miOvercast26°F17°F69%1041.4 hPa
Georgetown, Georgetown Municipal Airport, TX24 mi65 minN 19 G 2310.00 miOvercast and Breezy26°F8°F46%1042.1 hPa

Wind History from ATT (wind in knots)
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Last 24hrS64S6CalmSE65S6SE4N13
G28
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N16
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N7
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1 day agoSW9
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SW64S5CalmCalmCalmCalmSE5SE6SE4SE4CalmCalmCalmCalmCalmCalmCalmCalm343S5
2 days agoSE35--CalmCalmCalm3E3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE55554

Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
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IR Satellite Image from GEOS
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GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Austin/San Antonio, TX (14,3,4,5)
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Ground Weather Radar Station Central Texas
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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.