Thursday, September23, 2021
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Marine Weather and Tides
Lost Creek, TX

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:19AMSunset 7:27PM Thursday September 23, 2021 12:26 PM CDT (17:26 UTC) Moonrise 8:13PMMoonset 8:41AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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 231125 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 625 AM CDT Thu Sep 23 2021

AVIATION. Winds will be light through the period initially out of the northeast but eventually becoming weak and southeast by the afternoon hours. Otherwise, only a few passing high clouds can be expected through the period with no impacts expected.

PREV DISCUSSION. /ISSUED 324 AM CDT Thu Sep 23 2021/

SHORT TERM (Today through Friday) .

Mostly clear skies and some passing high clouds can be seen on satellite overnight. Winds have also become nearly calm and with dewpoints in the 30s and 40s, temperatures have fallen into the 50s and lower 60s across the area which feels absolutely fantastic. The short-term forecast will be mostly uneventful with only passing high clouds continuing through tomorrow. Highs today will top out in the 80s for most locations with light northeasterly winds becoming variable or southeasterly by the late afternoon hours. With continued low dewpoints and temps in the 80s, afternoon humidity values will drop to at or just below 20 percent. This should allow for elevated fire weather conditions, but weak wind speeds will keep conditions from becoming critical or near critical. Another cool night is expected tonight but should not be quite as cool as current conditions. Lows will bottom out in the middle 50s to lower 60s. Another dry day is expected tomorrow with highs in the 80s once again.

LONG TERM (Friday Night through Wednesday) . With light to moderate SEly winds not returning until PM Friday, dry air over the northern Gulf means slow Gulf moisture return, leaving us some more pleasantly mild low temperatures in the mid 50s to mid 60s for Saturday morning. The NAM time sections suggests enough boundary layer winds for a few low clouds to return, but the surface winds being below 10 mph would probably favor another low cloud free Morning for Saturday. The shallow and slow return of higher dew points will probably mix out to dry afternoon air again for Saturday afternoon. With some scattered high clouds expected over the weekend, and slow to return moisture gradient. Temp trends through Sunday will remain slow with pleasant evening and morning temperatures.

The upper ridge over TX currently, will gradually flatting over the weekend as increased troughing over Baja CA begins to spill NE into NM/West TX by 00Z Monday. The result should be a more noticeable surge in low level moisture with some morning clouds and increased mid-level clouds expected as well. This will probably kick out all the lows in the 50s for Monday with min temps warming into the 60 to 70 degree range.

Moisture returning at both the low levels and in the mid to upper levels along with unstable SWly flow developing over Nrn Mexico Monday means there might be a few elevated showers and isolated storms possible Monday. With dry air still in part of the mid levels, rainfall totals should be light and some may rain may fall as virga. Increasing and deeper onshore low level winds Monday will bring a good jump in Pwat values Monday night and by 12Z Tuesday, the SW flow aloft pattern and moisture values should be sufficient for instability over all of the area for daytime Tuesday. The GFS keeps the desert SW upper low more disconnected from TX with the center back closer to the 4 corners region. However the ECM seems to trend more toward the unstable CMC with a more cut-off upper low and the low center over Srn NM. Thus there is a sharper pattern of PVA for deeper convection over SW TX Tuesday, which eventually lead to likely PoPs. Given that we've been in a recent dry pattern over the past month. We'll keep with the more modest PoP blends and escalate chances in later updates as needed. The pattern aloft Wednesday and Thursday continues with SW flow aloft leaving us additional rain chances, possibly with locally heavy downpours Tuesday through Wednesday.

PRELIMINARY POINT TEMPS/POPS. Austin Camp Mabry 87 60 87 59 89 / 0 0 0 0 0 Austin Bergstrom Intl Airport 87 55 87 58 89 / 0 0 0 0 0 New Braunfels Muni Airport 88 56 88 59 89 / 0 0 0 0 0 Burnet Muni Airport 85 57 86 60 87 / 0 0 0 0 0 Del Rio Intl Airport 90 61 89 63 89 / 0 0 0 0 0 Georgetown Muni Airport 86 57 87 58 89 / 0 0 0 0 0 Hondo Muni Airport 87 56 88 59 89 / 0 0 0 0 0 San Marcos Muni Airport 88 56 88 58 89 / 0 0 0 0 0 La Grange - Fayette Regional 88 58 88 60 90 / 0 0 0 0 0 San Antonio Intl Airport 87 60 86 62 88 / 0 0 0 0 0 Stinson Muni Airport 89 60 89 63 90 / 0 0 0 0 0

EWX WATCHES/WARNINGS/ADVISORIES. None.

Short-Term/Aviation . Hampshire Long-Term . Oaks


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lago Vista TX, Rusty Allen Airport, TX12 mi32 minN 010.00 miFair80°F40°F24%1021.7 hPa
Austin Executive Airport, TX14 mi52 minno data10.00 mi79°F39°F24%1020.7 hPa
Austin-Bergstrom International Airport, TX15 mi34 minE 410.00 miFair79°F40°F25%1019.8 hPa
Georgetown, Georgetown Municipal Airport, TX24 mi31 minN 010.00 miFair78°F38°F24%1021 hPa

Link to 5 minute data for KATT

Wind History from ATT (wind in knots)
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Last 24hr--SE10
G19
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E5E7SE8E7
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E4NE3443N3NE4N4N4NW333N9
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1 day ago3--E4344SE7SE74SE4Calm3SE3CalmCalm333--E4--SE8SE11
G21
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2 days ago----33E4E3CalmCalmSE33CalmCalmCalmCalmCalmCalmCalmCalmCalm3--353

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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