Thursday, September16, 2021
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Marine Weather and Tides
Giddings, 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 7:09AMSunset 7:30PM Thursday September 16, 2021 12:53 PM CDT (17:53 UTC) Moonrise 4:12PMMoonset 1:36AM Illumination 76% Phase: Waxing Gibbous; Moon at 10 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 161735 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 1235 PM CDT Thu Sep 16 2021

AVIATION. VFR conditions are forecast through the period. Winds will be out of the northeast through the afternoon, generally around 10 knots, but briefly gusting higher at times. Winds will become light and variable tonight, and then pick back up out of the east Friday during the day. There is a very low chance of an isolated shower or thunderstorm Friday afternoon and evening. The best chance for these will be east of DRT and west of the I-35 terminals. The low confidence combined with the possibility away from the TAF sites precluded mention in these TAFs.

PREV DISCUSSION. /ISSUED 625 AM CDT Thu Sep 16 2021/

AVIATION (12Z TAFs) . VFR conditions through the TAF period. Wind currently calm to variable less than 5KT for most locations, with the exception of the Rio Grande where an E to SE wind around 5-10KT prevails. NE wind around 5-10KT are forecast to develop along the I-35 terminals after 15Z.

PREV DISCUSSION . /ISSUED 300 AM CDT Thu Sep 16 2021/

SHORT TERM (Today through Friday) . An upper level low will be located near the Red River today with dry air in place across South Central Texas. No stratus this morning to contend with, so we should see warmer temperatures today across central and eastern areas, compared to yesterday where clouds held temperatures lower. For most areas we have went warmer for highs today than the NBM, given the dry air in place.

The upper level low is forecast to move southeast tonight and Friday into East Texas. On the back side of it an impulse and increase in moisture in the mid levels is indicated to drop south out West Central Texas into the southern Edwards Plateau, Hill Country and portions of the I-35 corridor Friday. Several convective allowing models are indicating stray to isolated convection initiating mid afternoon on Friday across the Hill Country and southern Edwards Plataea, moving south-southeast potentially into southern portions of the I-35 corridor, roughly near San Antonio, late afternoon and early evening. We have included a 10 PoP with mention of slight chance of showers thunderstorms after after 3PM. Otherwise, high temperatures on Friday will be even warmer than today, with most locations across the Hill Country and along and east of I-35 and I-37 well into the mid 90s, and western and southwestern areas in the upper 90s to around 102. We will be pushing record high temperature tomorrow: Sep 17th Record High Temps (Forecast High Temps)

Austin(ATT) . 98 in 1925 (97) San Antonio . 98 in 1997 (97) Del Rio . 101 in 2019 (101)

LONG TERM (Friday Night through Wednesday) . The weak upper level low over eastern Texas on Saturday opens into a trough on Sunday, then lifts out to Mississippi Valley as a deeper upper level trough moves into the Rockies on Monday. Upward forcing in proximity to the trough and heating will generate isolated to widely scattered showers and thunderstorms mainly along and east of I-35 Saturday and Sunday, then along and east of US 77 Monday. Above normal temperatures will continue.

The deep upper level trough moves across the Plains states Tuesday and Wednesday dragging a cold front across our area. Upward forcing by the front and trough will generate isolated to scattered showers and thunderstorms over most areas. The ECMWF and CMC show the base of the trough and a deeper frontal surface moving east of our area resulting in a much drier airmass and no rain for Wednesday. Meanwhile, the GFS has the base of the trough passing well north of our area allowing deeper moisture to linger over our area. For now, will go with the blended guidance keeping POPs into Wednesday until a consensus is formed. Temperatures fall to near normal with the frontal passage.

PRELIMINARY POINT TEMPS/POPS. Austin Camp Mabry 94 71 97 73 95 / 0 0 0 - 10 Austin Bergstrom Intl Airport 94 69 97 71 95 / 0 0 0 - 20 New Braunfels Muni Airport 94 69 96 71 95 / 0 0 - - 20 Burnet Muni Airport 92 69 95 71 93 / 0 0 - - - Del Rio Intl Airport 99 73 101 75 100 / 0 0 10 10 - Georgetown Muni Airport 93 69 96 71 95 / 0 0 0 - 10 Hondo Muni Airport 96 70 98 72 96 / 0 0 10 10 10 San Marcos Muni Airport 94 69 97 70 95 / 0 0 - 0 20 La Grange - Fayette Regional 92 71 96 73 95 / 0 0 0 - 30 San Antonio Intl Airport 94 72 97 74 95 / 0 0 - - 20 Stinson Muni Airport 95 73 98 75 97 / 0 0 - - 20

EWX WATCHES/WARNINGS/ADVISORIES. None.

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


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Giddings, Giddings-Lee County Airport, TX3 mi59 minN 610.00 miMostly Cloudy83°F67°F60%1013.5 hPa
La Grange, Fayette Regional Air Center Airport, TX21 mi59 minN 410.00 miPartly Cloudy86°F69°F57%1012.2 hPa

Link to 5 minute data for KGYB

Wind History from GYB (wind in knots)
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Last 24hrN8NE6E8NE6NE5NE5N3CalmN3CalmCalmNE3CalmN3NE4CalmCalmCalmN3N3NE4N4N7N5
1 day agoNE9NE7NE8N3
G16
N4N3NE4N5N5N5N4N3N4N3N5N3N3N4N5N3N6N6N6
G14
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2 days agoE9E15
G22
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NE5NE5NE5NE4E7N6N7N9N6N6N10
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N10N10
G15

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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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