Sunday, December8, 2019
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Marine Weather and Tides
Kerrville, TX

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:18AMSunset 5:38PM Sunday December 8, 2019 2:31 PM CST (20:31 UTC) Moonrise 3:31PMMoonset 3:49AM Illumination 90% Phase: Waxing Gibbous; Moon at 12 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 081733 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 1133 AM CST Sun Dec 8 2019

AVIATION. As fog and low ceilings are continuing to mix out, conditions improve over the next hour to VFR. The afternoon skies will be mostly high cirrus, with light southerly winds. Tonight, redevelopment of fog and MVFR/IFR ceilings is expected again overnight and through the morning, with slow improvement. Fog may reach DRT by early morning, but leave out until later forecasts come out.

PREV DISCUSSION. /ISSUED 1005 AM CST Sun Dec 8 2019/

UPDATE . The visibility in most places has improved and we have allowed the Dense Fog Advisory to expire. A few places will continue to have visibility 1/4 mile or less for another hour or two.

PREV DISCUSSION . /ISSUED 812 AM CST Sun Dec 8 2019/

UPDATE . Fog has spread into Lee, Bastrop, and Travis Counties. We have expanded and extended the Dense Fog Advisory. Visibility of 1/4 mile or less will last for another hour or so. In Travis County the low visibility will be confined to the northeastern part of the county around Pflugerville.

PREV DISCUSSION . /ISSUED 410 AM CST Sun Dec 8 2019/

SHORT TERM (Today through Monday) . Early morning surface observations and satellite imagery reveal fog across the coastal plains. This fog is advecting northward and based on recent observations and satellite trends, we have opted to issue a Dense Fog Advisory (visibility at or below 1/4 mile) for Karnes, De Witt and Lavaca counties until 9 AM. We may need to extend the advisory northward, into the adjacent counties of Fayette, Gonzales and Wilson counties, but will hold off for now and continue to evaluate observational trends.

Otherwise, we expect above normal temperatures and dry weather today with afternoon highs in the 70s across south central Texas. Low temperatures tonight will be well above normal with southerly winds and increasing low-level moisture. We could also see some patchy fog develop along and east of I-35. However, surface winds may be strong enough to hamper fog development, so we will hold off from adding to the forecast for now. High temperatures on Monday will be well above normal for early December, with highs in the upper 70s to lower 80s.

LONG TERM (Monday Night through Saturday) . A cold front will bring some big changes to south central Texas beginning Monday night. Northerly winds and much colder temperatures behind the front will move in beginning late Monday evening and continue through Tuesday. With warm air advection above the cold front, light rain is expected to develop Monday night and Tuesday. At this time, it still looks like average rainfall amounts will stay at or below one-quarter of an inch. With light rain, cold air advection and cloud cover, it will be much colder on Tuesday with highs in the mid 40s to mid 50s. The rain should end fairly quickly Tuesday night and for now we will only carry a very low chance for rain for areas along and east of Highway 83 during the evening hours, with rain chances ending for the early morning hours on Wednesday.

Temperatures will remain below normal for Wednesday and Thursday with surface high pressure remaining over the region. As the surface high moves eastward Thursday night, we will see a gradual return of southerly winds with temperatures rising to near normal on Friday. Another upper level system will move across Texas late Thursday into Friday, but the models differ with the location of this system. For now, it appears we will not see enough return moisture ahead of the upper trough and will keep the forecast dry for the end of the week.

PRELIMINARY POINT TEMPS/POPS. Austin Camp Mabry 74 59 82 42 48 / 0 0 - 70 90 Austin Bergstrom Intl Airport 75 58 81 41 48 / 0 0 - 70 90 New Braunfels Muni Airport 75 57 79 42 50 / 0 0 - 70 90 Burnet Muni Airport 75 56 81 38 45 / 0 0 - 70 90 Del Rio Intl Airport 77 54 80 47 55 / 0 0 - 60 50 Georgetown Muni Airport 74 58 81 39 46 / 0 0 - 70 90 Hondo Muni Airport 77 55 81 44 56 / 0 0 - 60 70 San Marcos Muni Airport 75 57 81 42 50 / 0 0 - 70 90 La Grange - Fayette Regional 76 60 80 44 50 / 0 0 - 70 90 San Antonio Intl Airport 74 58 80 45 52 / 0 0 - 60 90 Stinson Muni Airport 75 58 80 46 53 / 0 0 - 60 80

EWX WATCHES/WARNINGS/ADVISORIES. None.

Aviation . YB Short-Term/Long-Term . 05


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kerrville, Kerrville Municipal Airport/Louis Schreiner Field, TX7 mi37 minSSW 10 G 1610.00 miFair73°F53°F51%1014.2 hPa
Fredericksburg, Gillespie County Airport, TX23 mi57 minSSW 1110.00 miFair71°F50°F49%1014.6 hPa

Link to 5 minute data for KERV

Wind History from ERV (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE7CalmCalmSE8S8S15
G21
S13S11
G14
S9
1 day agoN10
G16
N12
G15
N9CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS6CalmS3
2 days agoS8S10
G15
CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN14
G18
N13
G16
NW12NW13
G18
N14
G19
NW10
G15

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 Austin/San Antonio, TX
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weather_mapweather_map weather_map

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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 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.