Saturday, December7, 2019
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Marine Weather and Tides
Lewisville, TX

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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 7:16AMSunset 5:22PM Saturday December 7, 2019 3:50 PM CST (21:50 UTC) Moonrise 2:49PMMoonset 2:46AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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 Lewisville, TX
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location: 33.08, -96.96     debug


Area Discussion for - Fort Worth, TX
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FXUS64 KFWD 072021 AFDFWD

Area Forecast Discussion National Weather Service Fort Worth TX 221 PM CST Sat Dec 7 2019

LONG TERM. /Sunday night through Saturday/

Warm/moist air advection will increase Sunday night ahead of an approaching low pressure system and cold front. As a result, temperatures Sunday night will be very mild for December with lows generally in the 50s.

Monday will start off mostly cloudy and warm as surface winds veer to the southwest ahead of the front. The front will enter the northwest zones Monday afternoon and sweep through the entire forecast area Monday evening. Some light rain will accompany the cold front as the upper trough moves east across the state, increasing large scale lift. The rain will linger through Tuesday morning, but end from northwest to southeast through the day with increasing subsidence behind the departing upper trough. The latest deterministic models continue to indicate temperature profiles that support only a cold rain and we see no reason to deviate from that solution based on pattern recognition. If the upper pattern was not as progressive and the cold air could settle in well before the upper support arrived, then the potential for winter weather would be higher. Lows Monday night will be generally in the middle and upper 30s, except for the northwest zones which may touch freezing briefly around sunrise (precip should be over before this occurs). Tuesday will be very cool with highs generally in the 40s and lows from the upper 20s to the lower 30s.

Brief riding aloft will occur Wednesday ahead of another approaching shortwave. Although cold air advection will begin to decease and ample sun is expected, it will still be cool Wednesday with highs in the 50s and lows in the 30s.

Another upper low is progged to drop out of the Four Corners region Wednesday night/Thursday, tracking across the Lone Star State Thursday night/Friday. Although the system will bring increasing lift and some elevated moisture, a lack of low level moisture should limit precipitation potential.

An upper ridge is progged to build in from the west behind the late week system, bringing warmer and rain-free weather as we head into mid December. Highs Saturday will likely be in the lower and middle 60s.

79

SHORT TERM. /Issued 1024 AM CST Sat Dec 7 2019/ /Today and Tomorrow/

A common saying in some circles of Meteorologists is "big bubble, no trouble." This is a reference to the weather when a dominating ridge of surface high pressure is directly overhead . today is one of those days. A ridge of surface high pressure is moving through the region, keeping the winds light and temperatures near climo norms for this time of the year--in the low to mid 60s. Passing mid to upper level clouds should even make for a picturesque sunset this evening.

The surface ridge axis will shift east overnight as a leeside low moves east into central Kansas. This will allow southerly flow with warm/moist advection to take hold of the region tonight. A 30-40 kt nocturnal LLJ will develop aloft this evening, however a gradually veering profile should prevent the development of widespread status. We are expecting some stratus to develop east of I-35 in the early morning hours and persist through the day tomorrow.

A few hours after sunrise tomorrow, the elevated winds associated with the LLJ will begin to mix down to the surface. A stout shortwave trough will move through the Desert SW in the early morning hours, creating almost purely perpendicular flow overtop of the southern Rockies tomorrow. This will enhance the deepening of a leeside low over SW Colorado, tightening the pressure gradient locally. These factors will combine to create breezy conditions across North and Central Texas tomorrow with sustained winds around 15-20 mph with gusts up to 30 mph. This will elevate the fire weather concerns west of I-35 with RH values remaining in the 30s through the afternoon. Temperatures will be noticeably warmer tomorrow, on average 10-15 degrees warmer than they will be today. No sensible weather is expected until the next storm system moves through early next week.

Bonnette

AVIATION. /Issued 1024 AM CST Sat Dec 7 2019/ /18Z TAFs/

Concerns: Low-end LLWS in the early morning hours; possible MVFR stratus tomorrow morning; gusty south winds tomorrow.

A ridge of high pressure overhead will allow VFR and light winds to prevail through the day. A few hours of light and variable winds are expected early this afternoon, eventually settling out of the south by 20-21Z.

Overnight, a nocturnal LLJ will develop across the area with low- end LLWS possible at all terminals between 09-14Z. We did not include it in the TAFs at this time since the surface winds will also gradually increase through the early morning hours as well. The increased LLJ will allow for the development of MVFR stratus across East Texas (east of I-35) after ~09Z. We do not expect it to move over any of the D10 terminals or KACT ATTM, however current guidance indicates a 30% chance of this occurring between 13-17Z.

A tightened pressure gradient across the area will allow for gusty south winds up to ~25 kts to prevail through the day tomorrow. The gusts should begin around 14-15Z with the initial inversion break and persist through the afternoon.

Bonnette

PRELIMINARY POINT TEMPS/POPS. Dallas-Ft. Worth 47 72 59 72 36 / 0 0 0 10 70 Waco 46 74 58 78 36 / 0 0 0 5 70 Paris 45 67 56 69 36 / 0 0 0 20 60 Denton 46 72 58 70 34 / 0 0 0 10 60 McKinney 46 70 59 70 35 / 0 0 0 10 70 Dallas 48 72 60 73 36 / 0 0 0 10 70 Terrell 46 71 59 74 36 / 0 0 0 10 70 Corsicana 47 71 59 76 38 / 0 0 0 10 70 Temple 46 73 58 78 38 / 0 0 0 5 70 Mineral Wells 45 75 56 69 33 / 0 0 0 10 70

FWD WATCHES/WARNINGS/ADVISORIES. None.

06/79


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Dallas / Addison Airport, TX10 mi64 minSSW 410.00 miClear63°F39°F42%1023 hPa
Dallas/Fort Worth International Airport, TX12 mi58 minVar 410.00 miA Few Clouds62°F37°F41%1022 hPa
Denton Enterprise Airport, TX14 mi58 minS 410.00 miFair61°F37°F41%1022.5 hPa
Dallas Love Field, TX16 mi58 minS 310.00 miPartly Cloudy64°F39°F40%1022.5 hPa
Fort Worth, Fort Worth Alliance Airport, TX20 mi58 minSE 410.00 miPartly Cloudy62°F37°F40%1022.7 hPa
McKinney - McKinney National Airport, TX21 mi58 minVar 410.00 miFair61°F41°F48%1023.6 hPa

Link to 5 minute data for KADS

Wind History from ADS (wind in knots)
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Last 24hrNW9
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N8N10N7N11N9N8N7N5N4N4N5--NW4N5N3N4CalmCalmCalmSW3CalmS4
1 day agoS11
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2 days agoNE3NE4NE3Calm--E3SE5S6S4S3CalmS5SE5--SE7S9
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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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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.
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Wind Forecast for Fort Worth, TX (16,3,4,5)
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Ground Weather Radar Station Dallas/Fort Worth, TX
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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.