Wednesday, April24, 2019 L-36.com


Marine Weather and Tides
Trinidad, TX

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:45AMSunset 8:02PM Wednesday April 24, 2019 3:09 AM CDT (08:09 UTC) Moonrise 12:00AMMoonset 9:53AM Illumination 77% Phase: Waning Gibbous; Moon at 20 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 Trinidad, TX
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location: 32.2, -96.11     debug


Area Discussion for - Fort Worth, TX
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Fxus64 kfwd 240451
afdfwd
area forecast discussion
national weather service fort worth tx
1151 pm cdt Tue apr 23 2019

Aviation
06z tafs
outflow which has gusted out ahead of the late evening
thunderstorms has brought northerly winds in the metroplex over
the past hour. These winds should come back around to the
southeast in the next few hours as gradient winds ahead of a weak
cold front take over. Additional showers and thunderstorms will
persist for several more hours with the axis of convection
shifting ever so slowly southward with the outflow boundary.

Activity should reach the waco area prior to sunrise but will not
be as intense as what has occurred in the dfw area. The primary
concern tonight has already begun to shift from severe storms to
flooding and flash flooding as thunderstorms train over the same
areas. Zooming out on a regional radar mosaic reveals a train of
storms extended well west into west texas ahead of the approaching
upper low over northern mexico, with cells marching steadily
eastward. A lull in the convective activity can be expected
during the morning hours, but storms will re-fire by Wednesday
afternoon as the system moves in from the west. The strongest
storms on Wednesday will be over central texas, but all locations
should see at least some convection with the main round Wednesday
afternoon. Storms will move east of the area Wednesday night, but
wrap-around showers along with borderline MVFR ifr conditions
will persist into Thursday morning. The front and associated north
winds will be though all locations by Wednesday night.

30

Update issued 851 pm cdt Tue apr 23 2019
a strong storm cluster just west of the dfw area has occasionally
shown signs of producing damaging winds and has shown no signs of
weakening. We made the decision to expand the severe thunderstorm
watch east to include the metroplex as it looks like a localized
damaging wind threat will exist for a few more hours with this
activity. Storms should exhibit an gradual reduction in intensity
later tonight as instability decreases. Even though storms are
moving at a decent clip, the slow movement of the cold front will
allow additional showers and storms to train over the same areas
through the overnight hours and the potential for flooding still
exists across the entire flash flood watch area.

30

Discussion issued 251 pm cdt Tue apr 23 2019
tonight through Wednesday night
cloud cover continues to increase this afternoon as southerly
flow strengthens, and an upper level low south of arizona will
begin tracking eastward tonight. A stationary front draped to the
northwest is the focus for isolated thunderstorms that have
developed this afternoon. This feature will slowly move southeast
across north texas, and coverage of storms is expected to increase
this evening and overnight. Isolated strong to severe
thunderstorms with damaging winds and hail are possible across
western zones and generally west of fort worth between 7pm and
midnight with the recently issued severe thunderstorm watch.

However, the main concern across north texas will be the
potential for heavy rainfall and isolated flood flash flooding
concerns. Forecast pwats near 1.50 inches tonight and Wednesday
morning are well over the 90th percentile and approaching daily
max values for late april. As a result, when coverage of showers
and thunderstorms increases tonight so will the rainfall rates and
the potential for localized flooding concerns. Training of storms
is also possible with the slow propagation of the front, so the
axis of the highest rainfall totals will gradually move across the
dfw metroplex early Wednesday morning and into the afternoon.

This is when most of the forecast area will receive the bulk of
the rain that falls with this system. Right now, this axis is
roughly along a stephenville to dfw to greenville line, and
southward as the evening progresses. As the front slips southward
on Wednesday, pwats increase to around 1.7 to 1.8 inches by
Wednesday night across the southeast portion of the forecast area.

A flash flood watch has also been issued for this afternoon
through late Wednesday night. The watch may need to be extended
further south and east for this as the heavy rainfall threat will
continue there through early Thursday morning as the surface low
begins to develop.

Thursday through next week
as the main low pressure system exits the region on Thursday,
showers and thunderstorm chances will also come to an end from
west to east during the day. After that, dry weather and
seasonably warm weather is expected late week into the weekend.

High temperatures will reach the mid 80s by the weekend. Low temperatures
will range from the mid 50s to mid 60s by early next week.

A fast moving system is expected to move through the central
plains late Saturday into Sunday, but models differ on how close
to our area the front (therefore ascent) will be and how much
moisture will be available. The GFS is the only one showing some
rain chances across parts of north and central tx on Sunday. For
now, kept the pops out of the forecast through this time period. A
more vigorous system is expected to move across the region as we
head into the first days of may. We will continue to monitor the
trends through the upcoming days for details on timing and
intensity of thunderstorms.

Elsenheimer sanchez

Preliminary point temps pops
Dallas-ft. Worth 64 69 60 74 59 90 100 80 30 5
waco 63 71 59 73 58 70 100 90 20 5
paris 63 71 58 71 56 80 90 90 60 10
denton 60 70 58 74 57 90 100 80 30 10
mckinney 63 70 58 73 57 90 100 90 40 5
dallas 65 71 60 74 59 90 100 80 30 5
terrell 63 71 58 74 57 80 100 90 40 5
corsicana 63 71 58 71 57 60 100 90 30 5
temple 64 72 59 74 58 50 100 80 20 5
mineral wells 59 68 55 73 54 100 100 70 20 5

Fwd watches warnings advisories
Flash flood watch through Wednesday evening for txz102>104-
115>120-129>134-141>145-156>159.

30 91


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Corsicana, Campbell Field-Corsicana Municipal Airport, TX19 mi17 minNW 310.00 miOvercast65°F62°F90%1014.1 hPa

Wind History from CRS (wind in knots)
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Last 24hrS5SE7SE9SE7SE3E5SE7SE8SE7SE6SE10S14S11SE11SE8SE8SE7SE8SE7SE10S3CalmCalmNW3
1 day agoS12S10S10SE7SE7S13S13
G19
S15S12S13S11S10S10----SE6SE4E6SE8S9SE10SE8SE10S7
2 days agoS8S7S6S8S11S11S16
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Tide / Current Tables for
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Weather Map and Satellite Images
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GOES Local Image of    EDIT
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 (4,6,7,8)
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Ground Weather Radar Station Dallas/Fort Worth, TX
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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.