Thursday, March23, 2017 L-36.com


Marine Weather and Tides
Marble Falls, TX

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:28AMSunset 7:46PM Thursday March 23, 2017 5:02 PM CDT (22:02 UTC) Moonrise 3:32AMMoonset 2:33PM Illumination 14% 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 Marble Falls, TX
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location: 30.58, -98.27     debug


Area Discussion for - Austin/San Antonio, TX
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Fxus64 kewx 232034
afdewx
area forecast discussion
national weather service austin/san antonio tx
334 pm cdt Thu mar 23 2017

Short term (tonight through Friday night)
Strong wind gusts have extended east of the advy area into the i-35
corridor, and sustained winds are on the cusp of reaching advy
criteria. Mixing occurred early along i-35 as opposed to out west, so
perhaps winds are topping out about now. Will leave the advisory as
is and hand off the dilemma to the next shift. Winds are expected to
relax late tonight as the surface low over the high plains to the
north tracks east. Models show good consistency in bringing a broken
line of mostly weak convection through the northern 2/3 of the
forecast area late tonight into Friday. A low cape/high shear
environment and a modest amount of moisture for spring standards
should make this round of convection mostly garden variety, but areas
near and to the east of aus by midday Friday could be able to tap
into slightly deeper moisture and with a more robust afternoon
convection. The SPC outlook remains reasonable for a low end slight
risk day for the eastern counties, but mesoscale model runs such as
the tx tech WRF suggest the deeper convection and severe threat
should be less than the areas of n-central & E tx.

Post frontal drying will be efficient with downsloping westerly
winds, but the mid-level low pressure being well to the north may not
mix the gusty winds from aloft to the surface as much as they are
expected to the WFO counties to the north. A fire weather watch is
for now, just north of our counties, and this may need to be reviewed
in more detail as we begin to see the strength of the surface to 850
mb winds in upcoming model runs. The potential for a low-end rfw
event should be mainly NW of a drt to t82(fredericksburg) line.

Long term (Saturday through Thursday)
Good drying from Friday's strong central plains storm could leave
Saturday morning with the coolest morning of the next week,
especially over the NW counties. Coastal plains counties may fail to
lose all the shallow moisutre. Moisture return will resume Sunday but
not fast enough to bring a significant rain chance as a
shallow/smaller upper disturbance passes through the central plains
Sunday night. The progressive pattern aloft could keep the nocturnal
jet active, so some low-end convection (primary rw, isolated trw)
looks reasonable for some northern counties Sunday night. While the
frontal wind shift in the wake of the Sunday system is weak, winds
will not shift to southerly but rather to the east in the advance of
a much deeper trough/upper low that reaches tx by Wednesday. This
system remains poorly agreed upon by deterministic solutions, with
the GFS running slowest/wettest and the cmc running fastest/driest.

Feel a ecm type middle ground solution will narrow the window in
future with a trw likely type period Wednesday into Wednesday night;
for now will keep with the blended population schemes until the
model trends show more consistency.

Preliminary point temps/pops
Austin camp mabry 66 83 56 83 59 / 20 70 0 0 0
austin bergstrom intl airport 65 82 54 82 56 / 20 70 0 0 0
new braunfels muni airport 65 84 54 83 57 / 20 60 0 0 0
burnet muni airport 62 83 50 80 56 / 30 60 0 0 0
del rio intl airport 61 86 53 86 59 / 20 - 0 0 0
georgetown muni airport 65 81 52 81 56 / 20 70 - 0 0
hondo muni airport 64 86 51 86 57 / 20 40 0 0 0
san marcos muni airport 66 83 54 83 57 / 20 70 0 0 0
la grange - fayette regional 66 80 58 82 59 / 10 70 20 0 -
san antonio intl airport 65 84 55 85 59 / 20 50 0 0 0
stinson muni airport 65 85 55 86 59 / 10 50 0 0 0

Ewx watches/warnings/advisories
Wind advisory until midnight cdt tonight for the following
counties: burnet... Edwards... Gillespie... Kerr... Kinney... Llano...

real... Val verde... Williamson.

Mesoscale/aviation... Runyen
synoptic/grids... Oaks
public service/data collection... 33


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Horseshoe Bay Resort Airpark, TX6 mi68 minS 17 G 2710.00 miFair83°F49°F31%1014.2 hPa
Burnet, Burnet Municipal Craddock Field, TX11 mi70 minSSE 15 G 2910.00 miFair81°F50°F34%1013.2 hPa
Lago Vista TX, Rusty Allen Airport, TX17 mi68 minS 18 G 2810.00 miFair and Breezy82°F47°F29%1015.2 hPa

Wind History from DZB (wind in knots)
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Last 24hrS7
G17
S10
G17
S7SE3SE3SE3SE5S5SE4S9
G14
S7S8
G14
S6
G16
S10
G18
S6S7
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S14
G22
S16
G26
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G27
S12
G23
S12
G23
S15
G26
S13
G23
1 day agoSE7S7
G14
S6S4S4S5CalmS7S7S4S5S5CalmS3CalmCalmCalmS5SE7SE6
G15
SE10
G14
S6
G15
S12
G17
S5
G14
2 days agoS8
G14
S8
G15
S7S4S4S4S5S8S8S10
G15
S7CalmCalmCalmS4S3S5S8
G19
S8SW7S6
G14
S7S11
G18
S9
G17

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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Weather Map
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IR Satellite Image from GEOS
east_satellite

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Austin/San Antonio, TX (18,4,5,8)
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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.