Friday, March5, 2021
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Marine Weather and Tides
Lakeway, TX

Version 3.4
NOTICE
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 6:50AMSunset 6:34PM Friday March 5, 2021 6:53 PM CST (00:53 UTC) Moonrise 12:41AMMoonset 11:20AM Illumination 52% Phase: Third Quarter Moon; Moon at 22 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 Lakeway, TX
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location: 30.35, -97.98     debug


Area Discussion for - Austin/San Antonio, TX
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FXUS64 KEWX 052346 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 546 PM CST Fri Mar 5 2021

AVIATION (00Z TAFs). A large area of blowing dust has moved down the Rio Grande behind the cold front. This is restricting visibility into the IFR to MVFR category. We have included BLDU at DRT through 03Z. Elsewhere VFR conditions currently prevail. However, MVFR ceilings are forecast to develop overnight and into Saturday morning from N to S. There are some differences on how fast the ceilings scatter out Saturday afternoon. Only other concern are the winds. Current gusts from the NW generally range from 15-25KT with some isolated higher gusts. The gusts may actually weaken after sunset as vertical mixing decreases, however sustained winds at I-35 sites should remain at current levels, or increase slightly, late this evening and turn N as a secondary surge arrives.

PREV DISCUSSION. /ISSUED 415 PM CST Fri Mar 5 2021/

UPDATE . Update for fire weather below.

FIRE WEATHER . We have updated to issue a Red Flag Warning through 7PM this evening for the Rio Grande and southern Edwards Plateau. Wind gusts between 25 and 40 mph are occurring with RH values in the teens. These are critical fire weather conditions given the cured fuels in place. Elevated to near critical fire weather conditions are occurring elsewhere.

PREV DISCUSSION . /ISSUED 206 PM CST Fri Mar 5 2021/

SHORT TERM (Tonight through Saturday Night) . A frontal boundary pushed across the area this morning and early afternoon. In the wake of it, we are experiencing strong northwest winds of 10 to 20 mph with gusts up to 35 mph. Clouds continue to dissipate across the southeast as the front pushes into the middle Texas coast. There are some high clouds pushing from the southwest and over parts of the area, however, overall, partly to mostly sunny skies are anticipated for the rest of this afternoon and early evening. The main hazard weather concern through this evening will be fire weather across the Rio Grande due to low relative humidities and strong winds. Elevated winds of 10 to 15 mph are forecast to remain across the area through late tonight. Clouds return this evening and spread across most areas overnight as a second surge of low level moisture arrives from the north. Forecast soundings show the moisture mixing down overnight to bring low clouds and breezy conditions from the north. Clouds will remain across South Central Texas through mid afternoon on Saturday. Highs will be a bit cooler with mid 60s across the Hill Country to near 70 across the southwest counties thanks to dense cloud coverage . On Saturday evening into the overnight hours, clouds begin to increase areawide with overnight lows in the lower 40s across the Hill Country to near 50 along the Rio Grande.

LONG TERM (Sunday through Friday) . Zonal flow will last for most of the extended period, resulting in a slow warming trend through next week. While cloud cover will be present for most of the period, it will generally be associated with passing, weak, upper level waves and/or the typical late night and early morning low stratocumulus in southerly flow off the Gulf. Despite the clouds, no precipitation is expected through next Thursday, and the southerly low level flow, and southwesterly mid and upper level flow, will support warm conditions. Look for highs in the 70s early next week, with 80s Wednesday through Friday. This is above the National Blend of Models (NBM) deterministic values, but close to the 50th percentile (NBM50) values which are more of a bulk average with less lagged bias correction.

The last day of our forecast (next Friday) will be the beginning of pattern change that will last into the following week. For Friday, we expect a slight chance of showers and thunderstorms for the coastal plains north of I-10 and east of I-35. QPF will be scattered and light. Just beyond this forecast, from the early evening of March 13th through the evening of the 14th, the ECMWF and GFS are in fair agreement on a favorable pattern for severe storms and/or heavy rain for south central Texas. While it is too early to nail down specifics, of concern are very low mid level (500 mb) temps, which could favor large hail production.

PRELIMINARY POINT TEMPS/POPS. Austin Camp Mabry 50 66 43 71 47 / 0 0 0 0 0 Austin Bergstrom Intl Airport 50 67 42 71 45 / 0 0 0 0 0 New Braunfels Muni Airport 51 69 44 71 48 / 0 0 0 0 0 Burnet Muni Airport 47 63 41 68 45 / - - 0 0 0 Del Rio Intl Airport 49 70 50 70 53 / 0 0 0 0 0 Georgetown Muni Airport 48 65 40 70 44 / 0 0 0 0 0 Hondo Muni Airport 48 69 44 71 49 / 0 0 0 0 0 San Marcos Muni Airport 50 67 42 71 46 / 0 0 0 0 0 La Grange - Fayette Regional 52 67 43 71 46 / - 0 0 0 0 San Antonio Intl Airport 51 67 45 70 49 / 0 0 0 0 0 Stinson Muni Airport 51 68 45 70 49 / 0 0 0 0 0

EWX WATCHES/WARNINGS/ADVISORIES. Red Flag Warning until 7 PM CST this evening for Dimmit-Edwards- Kinney-Maverick-Real-Uvalde-Val Verde-Zavala.



Short-Term/Aviation . Runyen Long-Term . Brady


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lago Vista TX, Rusty Allen Airport, TX10 mi59 minN 14 G 2210.00 miFair68°F44°F42%1016.3 hPa
Austin City, Austin Camp Mabry, TX11 mi63 minNNW 8 G 2410.00 miA Few Clouds73°F40°F30%1014.6 hPa
Austin-Bergstrom International Airport, TX20 mi61 minNNW 12 G 2310.00 miA Few Clouds75°F41°F29%1013.9 hPa
Austin Executive Airport, TX22 mi59 minNNW 16 G 2310.00 miFair72°F41°F33%1014.9 hPa
Horseshoe Bay Resort Airpark, TX24 mi59 minN 15 G 2110.00 miFair68°F41°F38%1016.9 hPa

Link to 5 minute data for KRYW

Wind History from RYW (wind in knots)
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Last 24hrSE3SE7S10
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1 day agoSE3SE5SE6SE7SE8S4S6S5S6S9S5SW7SW9SW10SW6SW6S4S8
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2 days agoE4E5E5E6SE5E6SE3W3CalmCalmCalmS4CalmSW5S5S5S3S7SE4S5S4SE6SE5SE5

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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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