Monday, July24, 2017 L-36.com


Marine Weather and Tides
Lewisville, TX

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:35AMSunset 8:33PM Monday July 24, 2017 3:54 PM CDT (20:54 UTC) Moonrise 6:56AMMoonset 8:41PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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
    EDIT      (on/off)   Help
7 Day Forecast for Marine Location Near Lewisville, TX
   Hourly   EDIT   Help
location: 33.08, -96.96     debug


Area Discussion for - Fort Worth, TX
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus64 kfwd 242015
afdfwd
area forecast discussion
national weather service fort worth tx
315 pm cdt Mon jul 24 2017

Discussion
A weak upper low over ms la which has nosed its way westward into
central and east texas will gradually shift south over the next
24 hours. Convection continues to develop along this weak shear
axis across mainly the southern half of the forecast area and is
moving very slowly south. The brunt of the convection for the rest
of this afternoon and evening will likely occur over the southern
third of the area where good instability still exists. Farther
north, the atmosphere is not only worked-over from overnight and
morning convection, but also is being affected by increasing
subsidence as the ridge restrengthens and the weakness in its
southeast flank shifting southwestward into south tx. That said,
there is still just enough moisture and instability left over to
include slight chance pops into the evening hours where a few
isolated storms cannot be ruled out.

The break in the heat will be short lived due to the expectation
that the ridge will intensify over the next several days. Upper
90s will be common again on Tuesday with triple digit heat
affecting most of the forecast area during the middle and latter
part of the work week. The primary concern will quickly shift back
to the dangerous heat index values. With widespread dewpoints in
the mid 70s, we should have little problem reaching head advisory
criteria from the metroplex northward to the red river. We will go
ahead an issue a heat advisory with this package for Tuesday and
Wednesday for this area. Conditions will become even more
unbearable Thursday and Friday as high temperatures climb a few
more degrees. The heat advisory will no doubt need to be extended
through Friday at some point, but will also need to be expanded as
the 105+ heat indices affect a much larger portion of the forecast
area. There is some indication that these readings will exceed 110
in some spots, so an excessive heat warning during the Thursday-
Friday timeframe is not out of the question. Will look more into
this possibility as we head through the first half of the work
week.

The upper ridge will begin shifting back to the west on Friday,
putting north and central texas beneath a northerly flow aloft
regime once again. This opens up the possibility of having
thunderstorm complexes in the plains to march south and bring some
relief in the form of showers and storms this weekend. At the
very least, the deep north flow would likely usher in some
slightly cooler and drier air as the weekend arrives.

30

Aviation issued 1253 pm cdt Mon jul 24 2017
vfr at all TAF sites through Tuesday with a south to southeast
wind generally less than 12 knots.

The best chance of storms today will be generally south of the
metroplex TAF sites due to large scale subsidence behind the
morning complex of storms. Therefore, we will mention showers and
storms in the vicinity of act through the afternoon, with the best
thunderstorm chances during the hottest part of the day. Since
thunderstorm chances will be much lower at the metro sites we will
not include in this TAF package. Any storms that do develop this
afternoon should move south of region this evening.

79

Preliminary point temps pops
Dallas-ft. Worth 79 100 81 101 81 30 10 5 5 5
waco 75 101 78 99 78 30 10 5 5 5
paris 73 95 75 97 77 20 10 5 5 5
denton 76 100 78 100 80 30 10 5 5 5
mckinney 75 99 78 99 79 30 10 5 5 5
dallas 79 101 81 101 82 30 10 5 5 5
terrell 75 100 77 97 77 30 20 5 5 5
corsicana 75 100 77 98 77 30 20 5 5 5
temple 75 100 77 99 77 20 10 5 5 10
mineral wells 74 101 77 101 77 30 10 5 5 5

Fwd watches warnings advisories
None.

30 79


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Dallas / Addison Airport, TX10 mi68 minS 510.00 miPartly Cloudy88°F71°F59%1015.2 hPa
Dallas/Fort Worth International Airport, TX12 mi62 minSSW 610.00 miPartly Cloudy89°F73°F59%1013.3 hPa
Denton Enterprise Airport, TX14 mi62 minSSE 610.00 miFair90°F75°F63%1013.5 hPa
Dallas Love Field, TX16 mi62 minSE 310.00 miMostly Cloudy87°F73°F63%1013.9 hPa
Fort Worth, Fort Worth Alliance Airport, TX20 mi62 minVar 410.00 miMostly Cloudy91°F73°F57%1012.9 hPa
McKinney - McKinney National Airport, TX21 mi62 minESE 910.00 miA Few Clouds87°F75°F70%1014.5 hPa

Wind History from ADS (wind in knots)
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
Last 24hrSW3S5S10
G18
--SE6E8NE25
G34
NE14
G24
E4
G15
NW6NW6CalmNW5S4E9
G19
E6SE3SE3SE5SE5SE4S5S5S5
1 day agoS10
G17
SE6S8
G12
S10SE11
G16
SE11
G16
SE9
G14
S9S9
G14
S8
G14
S5S8S5S6SE9SE8S10S8S9S8SE8SE8SE4
G14
SW10
G15
2 days agoS5
G15
SE8
G15
SE9
G17
SE13
G17
SE9
G16
SE10
G17
SE10SE9S6S7S7S6S7S6CalmS6S7S8S8S10
G15
S8
G15
S6
G14
SW4
G14
S10

Tide / Current Tables for
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map and Satellite Images
       (on/off)   Help
Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Fort Worth, TX (16,3,4,5)
      (on/off)   Help

Ground Weather Radar Station Dallas/Fort Worth, TX
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

Disclaimer:
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.