Monday, June26, 2017

Marine Weather and Tides
Kerrville, 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 6:36AMSunset 8:43PM Monday June 26, 2017 3:38 AM CDT (08:38 UTC) Moonrise 8:26AMMoonset 10:10PM Illumination 5% Phase: Waxing Crescent; Moon at 2 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 Kerrville, TX
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location: 30.01, -99.21     debug

Area Discussion for - Austin/San Antonio, TX
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Fxus64 kewx 260533
area forecast discussion
national weather service austin san antonio tx
1233 am cdt Mon jun 26 2017

No significant changes in the ongoing tafs. There are isolated
showers in the northern part of our area that may move through aus
over the next few hours. If any showers move over the airport, they
will not change flying category. We expect MVFR CIGS to develop
within the next couple of hours in austin and san antonio and by
around 12z at drt. CIGS should lift toVFR by around noon. There is a
chance for showers and thunderstorms during afternoon and evening
and we have included vcsh as timing is uncertain at this time.

Prev discussion issued 1008 pm cdt Sun jun 25 2017

showers and thunderstorms have generally dissipated across the area
aside from some light stratiform rain over portions of lee and
fayette counties that should dissipate over the next hour. Hi-res
models are generally in good agreement that additional convection
will not develop until possibly very late in the overnight hours
just before sunrise as some streamer showers and possibly a rogue
thunderstorm develops. Thus, we have removed rain chances over the
rio grande plains for most of tonight and decreased to 20-30 pops
elsewhere, only mentioning very isolated thunderstorms in the coastal
plains prior to 4 am. We have included 40 pops for scattered shower
activity across most of the CWA from 4-10 am just in case remnant
outflow boundaries with nearly moist adiabatic lapse rates allow for
some early development, but only very isolated thunderstorms are
expected due to stability near the melting level.

Scattered showers and thunderstorms are expected across most of the
region by late tomorrow morning into the afternoon hours, with the
best chances for storm initiation in the coastal plains along outflow
boundaries and a possible sea breeze. Convection should also develop
over the edwards plateau and western hill country counties along an
outflow boundary expected to be near or northwest of our northwest-
most counties associated with a complex of storms expected to move
southeast tonight from the texas panhandle. Depending on how far
southeast this activity makes it tonight, rain chances may need to be
increased later tomorrow afternoon and evening over much of the cwa
as additional shortwave forcing may help expand the coverage of
showers and thunderstorms along this particular outflow boundary.

Prev discussion... Issued 254 pm cdt Sun jun 25 2017
short term (tonight through Monday night)...

convective focus today has been largely controlled by a sharp
moisture gradient where deeper tropical moisture is being held east
of i-35 by circulation around a tutt low over the NW gulf. Low level
winds are mainly E or NE which has limited moisture advection for the
counties far inland. This has led to some over-forecasting of
precipitation for the western half, especially from the models
attempting to develop an unstable NW flow pattern with storms forming
over the high plains and moving south. Tonight's forecast initially
remains marked by shortwave ridging and no connection between the
tropical moisture and the monsoonal triggered convection to the
north. There is still small chance for a round of weakening storms to
arrive from the north late tonight, but a better low level moisture
advection pattern for daytime convection will set up as the effects
of the tutt low retreat east. Monday night is suggested to be the
best opportunity for high plains storms to move south into the area
given some mid-level dynamics dropping south. Nevertheless will
continue to undercut pops until synoptic scale models lose their
moist bias.

Long term (Tuesday through Sunday)...

Tuesday looks to be the last day for all areas to see rain potential
with deterministic runs showing mid level ridging to cut off the nw
flow pattern Tuesday evening. Pooled moisture over the coastal
prairies a weakness in the upper ridge over the gulf coast will
continue into Friday, so isolated to scattered mainly daytime
convection will continue over the same counties that received the
bulk of rains over the past day-and-a-half. Mid-level ridging
continues to steadily build, with no rain and increasing heat indices
expected next weekend.

Preliminary point temps pops
Austin camp mabry 88 72 90 72 91 40 30 40 10 20
austin bergstrom intl airport 88 71 89 72 91 40 30 40 10 20
new braunfels muni airport 88 71 89 72 90 40 30 40 10 20
burnet muni airport 85 70 87 70 89 40 30 40 10 10
del rio intl airport 92 73 92 74 95 30 30 30 10 10
georgetown muni airport 87 71 88 71 90 40 30 40 10 20
hondo muni airport 90 71 91 71 93 40 30 40 10 10
san marcos muni airport 88 71 89 72 90 40 30 40 10 20
la grange - fayette regional 88 72 90 73 90 50 30 50 20 30
san antonio intl airport 89 72 90 73 91 40 30 40 10 20
stinson muni airport 89 73 90 73 91 40 30 40 10 20

Ewx watches warnings advisories

Mesoscale aviation... 05
synoptic grids... 04

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kerrville, Kerrville Municipal Airport/Louis Schreiner Field, TX7 mi44 minSE 310.00 miFair72°F69°F93%1021.3 hPa
Fredericksburg, Gillespie County Airport, TX23 mi44 minN 010.00 miFair71°F67°F88%1021.7 hPa

Wind History from ERV (wind in knots)
Last 24hrCalmCalmCalmN3NE5NE6E6NE5NE4NE4E6NE10
1 day agoSE8SE7SE5E6SE6E3N6NE16
2 days agoSE5SE4SE3SE5S9S7S8S7S10S9S9

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
IR Satellite Image from GEOS

GOES Local Image of SouthCentralPlains    EDIT

Wind Forecast for Austin/San Antonio, TX (4,6,7,8)
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Ground Weather Radar Station Austin/San Antonio, TX
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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 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 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.