Sunday, March26, 2017 L-36.com


Marine Weather and Tides
Nacogdoches, TX

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:11AMSunset 7:35PM Sunday March 26, 2017 4:14 AM CDT (09:14 UTC) Moonrise 5:24AMMoonset 5:18PM Illumination 2% Phase: Waning Crescent; Moon at 28 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 Nacogdoches, TX
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location: 31.61, -94.65     debug


Area Discussion for - Shreveport, LA
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Fxus64 kshv 260443
afdshv
area forecast discussion
national weather service shreveport la
1143 pm cdt Sat mar 25 2017

Aviation
Vfr conditions to prevail throughout the 06z TAF pd. Winds to
increase out of the S after sunrise. Tightening pressure gradient
will cause wind speeds to further increase to between 10 and 15
kts with higher gusts. Tstms may affect ktyr/ktxk after 00z, but
only mention of vcts included due to uncertainty. /12/

Prev discussion /issued 959 pm cdt Sat mar 25 2017/
discussion...

current forecast is in good shape and will make no changes
this evening. After a cool night temperatures will rebound during
the day Sunday with returning and gradually increasing southerly
winds into the afternoon and overnight Sunday. This returning
moisture will help upper features to provide showers and
thunderstorms to parts of the forecast area Sunday night into
Monday. /06/
prev discussion... /issued 223 pm cdt Sat mar 25 2017/
discussion...

wrap around moisture from upper-low across eastern oklahoma and
western arkansas continues to provide scattered to broken
cloud deck across the interstate 30 corridor this afternoon. Sky
conditions to gradually improve during the evening as upper low
shifts north. Overnight low temperatures forecast to fall into the
upper 40s to lower 50s across the region.

A progressive weather pattern will continue through much of the
forecast period. A series of disturbances will allow for organized
convection on Sunday and Wednesday nights. On Sunday, a surface
low across the texas panhandle will shift east. Moisture ahead of
a trailing dryline should recover sufficiently across northeast
texas and southeast oklahoma to support strong to severe
thunderstorms. As lapse rates steepen in response to an
approaching upper-low, instability should be sufficient to allow
for supercell development. Dry air aloft could lead to strong
downdrafts, posing a damaging wind threat across southeast
oklahoma and extreme northeast texas. Hail and isolated tornadoes
are also possible.

Trailing frontal boundary to linger across the region through
Wednesday allowing for scattered showers and thunderstorms each
day through midweek across parts of the arklatex.

Pressure gradient to increase on Wednesday allowing for return
flow of gulf moisture across the region ahead of the next storm
system. Similar to the previous event on Friday and the upcoming
event on Sunday, a surface and upper low across texas panhandle
will deepen and push east allowing for a chance for strong to
severe thunderstorms. Latest model run of the GFS and euro
disagree on the timing and nature of this event with the gfs
supporting a secondary surface low contributing to added risk of
strong thunderstorms again on Thursday. Conditions to improve on
Friday.

High temperatures around 80 can be expected each day through the
middle of next week with a dip into the mid to upper 70s on
Thursday and Friday. Low temperatures in the upper 50s to lower
60s expected through mid week and the low to mid 50s late next
week. /05/

Preliminary point temps/pops
Shv 52 85 63 81 / 10 10 30 30
mlu 52 82 62 82 / 10 10 20 50
deq 45 80 57 77 / 10 10 60 30
txk 50 80 60 78 / 10 10 40 30
eld 48 80 61 80 / 10 10 30 50
tyr 52 85 63 80 / 10 10 30 20
ggg 50 85 63 81 / 10 10 30 20
lfk 51 87 65 85 / 10 10 20 20

Shv watches/warnings/advisories
Ar... None.

La... None.

Ok... None.

Tx... None.

12


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Nacogdoches, A L Mangham Jr. Regional Airport, TX4 mi20 minN 0 miFair46°F42°F87%1012.5 hPa

Wind History from OCH (wind in knots)
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Last 24hrSW5W5NW6NW7CalmNW8NW9W6W7NW8
G14
W10W10
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G16
W3W7W3CalmCalmCalmCalmCalmCalmCalmCalm
1 day agoSE9SE11
G16
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G14
S10
G15
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G16
S17S13
G22
S14
G19
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G25
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G28
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G26
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G29
S23
G32
S10
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SW13
G25
S10S3SW9SE5S7S6
2 days agoS7S6S5S4SE4S9S10
G15
S13S11
G16
SE13
G18
S13
G18
S17
G23
S15
G21
S17
G24
S12
G19
S12
G18
S10S9S8S10S12
G16
S8S11
G17
S9

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Shreveport, LA (5,6,7,8)
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Ground Weather Radar Station Shreveport, LA
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weather_mapweather_map weather_map

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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.