Tuesday, July23, 2019 L-36.com


Marine Weather and Tides
Riverside, TX

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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 6:33AMSunset 8:24PM Tuesday July 23, 2019 8:16 AM CDT (13:16 UTC) Moonrise 11:36PMMoonset 11:26AM Illumination 61% Phase: Waning Gibbous; Moon at 21 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 Riverside, TX
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location: 30.88, -95.42     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 230833
afdhgx
area forecast discussion
national weather service houston galveston tx
333 am cdt Tue jul 23 2019

Discussion
It's here, it's here, the much advertised summer cold front is
arriving! Now, prepare for christmas in july! And if you believe
that, I also have a workshop at the north pole up for sale. No,
while the results of this infrequent summer front will not be
incredibly dramatic, it will - at least, for a couple days - usher
in much drier air.

Though this won't help cool things off terribly much as far as
daytime highs, we'll finally be able to cool more effectively
overnight. Indeed, while ultimately most record lows will be safe,
the houston climate sites may get quite close for a night or two.

Beyond that, look for onshore flow to return late in the week, and
a more typical summertime pattern to resume for this weekend and
into early next week.

Short term [today through Wednesday]
Sct shra and iso tsra are developing along remnant outflows from
yday and a cool front that is sagging into the area. Deep, rich
moisture is pooling south of these features W pw's between 2-2.3"
so cannot rule out a few very localized heavy downpours. We should
see winds shift to a NW N direction at the coast toward mid morning
and a drier airmass will be filtering into the area throughout the
day. However, this will be slower to occur closer to the coast (say
areas generally south of i-10) where they'll likely see dewpoints
remaining in the 70s for much of the day and probably won't see
noticeably the drier air arriving until the late aftn and evng
hours. So, after the early morning precip, cannot rule out some
additional sct activity developing later in the morning and
afternoon once convective temps in the upper 80s are reached.

Wed could be one of the nicest july days this region has seen in
many, many, many years. Msunny skies, highs in the 88-91 degree
range, dewpoints in the 50s, rh's 20-35%, and a comfortable 10-15mph
ne wind.

Long term [Wednesday night through Tuesday]
As winds stay generally northeasterly into Wednesday night,
without enough easterly component to really have any onshore flow
yet, look for another dry and cool night across southeast texas.

Wednesday night should be the coolest night of the week, as winds
will veer a little more easterly on Thursday. While this isn't
going to pump in boundary layer moisture just yet, it will at
least start an upward trend in dewpoint, and result in a slow
warming trend in overnight lows.

This warming trend will accelerate into the weekend as winds
continue to veer more southeasterly. Moisture return will be
boosted, particularly by Friday night as winds become more
directly onshore. This will signal a return to a more typical
summertime pattern, with the usual diurnal cloud, shower, and
thunderstorm trends.

Don't expect much change as we head into next week, either. At the
midlevels, we remain in near a col region between two upper
ridges. And though the western us ridge will work harder to build
over the region next week, we'll remain pretty solidly entrenched
in onshore flow near the surface into early next week.

There may be some indication of ridging taking a stronger hold and
diminishing diurnal precip chances and a slow rise in temperatures,
but that's beyond the scope of this forecast period, and it's
probably not worth much speculation just yet.

Aviation [09z TAF update]
Sct shra tstms will be the primary issue early this morning across
the area. Could see additional activity develop later this morning &
early afternoon along south of i-10 once temps climb into the upper
80s to around 90. Fcst soundings are showing a possibility of 1500-
2500ft CIGS from cxo southward into the mid morning hours (variable
& lower in any stronger tstms that develop). Otherwise,VFR
conditions should prevail thru the remainder of the period.

Marine
Cool front will be moving off the coast this morning and will become
a focus for some shra tstms during the day. NE winds increase later
this evening and overnight. Caution flags will be required in the
gulf waters (a brief advisory is not out of the question). NE E flow
will persist thru thurs. As high pressure moves off to the east,
look for onshore winds to resume thurs night and Friday and continue
thru the weekend.

Tropical
Just a quick note for awareness. There is a tropical depression 3.

It is located in the atlantic, and expected to travel just off the
florida and georgia atlantic coasts. This should be a short-lived
tropical cyclone with little or no strengthening in its future.

That's probably about all we need to know here in texas. For those
who wish to follow along despite no expected impacts for our area,
nhc will have all the details.

Climate
Another warm morning, another record warm minimum temperature at
hobby airport. Yesterday, the temperature fell only to 80 degrees,
which ties the record last reached all the way back in... 2017.

While the current night is rather warm again, this morning's
passing cold front will likely bring an end to our stretch of
sporadic record-setting warm minimum temperatures across the area.

Preliminary point temps pops
College station (cll) 90 68 91 65 93 0 0 0 0 0
houston (iah) 91 70 91 67 92 30 0 0 0 0
galveston (gls) 88 76 88 75 88 50 20 0 0 0

Hgx watches warnings advisories
Tx... None.

Gm... None.

Short term... 47
long term... Luchs
aviation... 47
marine... 47
tropical... Luchs
climate... Luchs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 86 mi46 min N 12 G 18 80°F 86°F1015.3 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Huntsville, Huntsville Municipal Airport, TX13 mi23 minVar 510.00 miA Few Clouds75°F70°F84%1016.7 hPa

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Last 24hrSW44NW8NW7SW7SW6SW44SW4W3NW4S5S4CalmCalmCalmCalmNW3NW3N43345
1 day ago5SW7SW75Calm46S5S5S755Calm545S5SW3CalmS4CalmCalmCalmS4
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Tide / Current Tables for Lynchburg Landing, San Jacinto River, Texas
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Lynchburg Landing
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Tue -- 12:03 AM CDT     Moonrise
Tue -- 01:16 AM CDT     0.83 feet High Tide
Tue -- 06:34 AM CDT     Sunrise
Tue -- 07:10 AM CDT     0.58 feet Low Tide
Tue -- 12:24 PM CDT     Moonset
Tue -- 02:18 PM CDT     1.09 feet High Tide
Tue -- 08:18 PM CDT     Sunset
Tue -- 09:52 PM CDT     0.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.80.80.80.70.60.60.60.60.60.70.80.911.11.110.90.80.70.60.60.60.6

Tide / Current Tables for San Jacinto Battleground State Historic Site, Texas
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map and Satellite Images
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GOES Local Image of SouthCentralPlains    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 Houston/Galveston, TX (9,2,3,4)
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Ground Weather Radar Station Houston/Galveston, 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.