Sunday, August9, 2020
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Marine Weather and Tides
Giddings, TX

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 6:48AMSunset 8:13PM Sunday August 9, 2020 2:34 PM CDT (19:34 UTC) Moonrise 10:57PMMoonset 11:09AM Illumination 67% Phase: Waning Gibbous; Moon at 21 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 Giddings, TX
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location: 30.21, -97     debug


Area Discussion for - Austin/San Antonio, TX
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FXUS64 KEWX 091914 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 214 PM CDT Sun Aug 9 2020

SHORT TERM (Tonight through Monday Night). Upper level high pressure remains anchored across much of the Southern United States for the beginning of the week. This will continue the hot and mostly dry weather pattern for South Central Texas. Where the upper ridge is centered more over Texas, the surface ridge is situated across the Central Gulf of Mexico keeping sometimes gusty southerly flow off the Gulf at the surface. This will keep dew points and precipitable water values elevated, aid in the development of morning low stratus, and help push the sea breeze inland to the Coastal Plains.

High resolution models have so far today accurately depicted the shower and thunderstorm activity to the east of the area more from an Edna to Columbus to Brenham line as opposed to along the coast south of our area. This should keep most activity east of the I-35 corridor today, but as we have seen the last few evenings one or two showers and thunderstorms may approach parts of the I-35 corridor late this afternoon into the early evening hours. This will give a lucky few a brief shot at some rainfall. Models generally show less activity for Monday afternoon, and anything that does form should be more confined to areas of DeWitt and Lavaca Counties.

The other thing of note over the short term will be the temperatures. Highs today and tomorrow will range from the upper 90s to about 104 for most of South Central Texas, with the exception of the Hill Country where the mid 90s will prevail. Although dew points have been mixing out decently in the afternoon keeping heat index values relatively low, a few spots on Monday could hit or exceed the criteria of 108 degrees. These higher values will be isolated and more likely from Austin south to Seguin and along the Coastal Plains. With the more sporadic coverage of these higher heat indices combined with it being the climatological hottest week of the year will not go with a heat advisory at this time. This heat is more along the lines of a typical Texas summer.

LONG TERM (Tuesday through Sunday). Still no significant changes to the weather pattern in the long term forecast. The upper level ridge will remain over the southern US. This will suppress most convection and keep temperatures above normal. The low level flow will remain from the southeast. There will be low chances for showers and thunderstorms each afternoon and evening over the Coastal Plains. There is an even smaller chance that a few showers could make it as far north and west as I-35. High temperatures across South Central Texas will be from the upper 90s to near 105. Heat index values will be above 105 over most of the area except the Hill Country and Edwards Plateau. Heat index values look like they will peak Monday and Tuesday afternoons and we may need to issue heat advisories, but advisory level values may be too localized to warrant the product.

PRELIMINARY POINT TEMPS/POPS. Austin Camp Mabry 78 102 77 101 76 / 0 0 0 0 0 Austin Bergstrom Intl Airport 77 100 76 100 76 / 0 0 0 - 0 New Braunfels Muni Airport 77 102 75 100 76 / 0 - 0 - 0 Burnet Muni Airport 75 97 74 99 75 / 0 0 0 0 0 Del Rio Intl Airport 78 104 78 104 78 / 0 0 0 0 0 Georgetown Muni Airport 77 100 76 101 76 / 0 0 0 0 0 Hondo Muni Airport 75 102 75 102 76 / 0 0 0 0 0 San Marcos Muni Airport 76 99 75 100 76 / 0 0 0 - 0 La Grange - Fayette Regional 78 98 77 99 77 / - - 0 - 0 San Antonio Intl Airport 78 100 77 101 77 / 0 0 0 - 0 Stinson Muni Airport 77 99 77 101 77 / 0 0 0 - 0

EWX WATCHES/WARNINGS/ADVISORIES. None.

Short-Term/Aviation . Treadway Long-Term . 05 Decision Support . KCW


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Giddings, Giddings-Lee County Airport, TX3 mi40 minS 810.00 miPartly Cloudy98°F70°F41%1018.6 hPa
La Grange, Fayette Regional Air Center Airport, TX21 mi40 minSSW 11 G 1510.00 miFair97°F69°F40%1017.3 hPa

Link to 5 minute data for KGYB

Wind History from GYB (wind in knots)
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Austin/San Antonio, TX (15,3,4,5)
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Ground Weather Radar Station Central Texas
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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 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.