Tuesday, April23, 2019 L-36.com


Marine Weather and Tides
Tyndall AFB, FL

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 6:05AMSunset 7:16PM Tuesday April 23, 2019 5:32 AM CDT (10:32 UTC) Moonrise 11:43PMMoonset 9:26AM Illumination 84% Phase: Waning Gibbous; Moon at 19 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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GMZ750 Expires:201904231530;;352643 Fzus52 Ktae 230744 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 344 Am Edt Tue Apr 23 2019 Gulf Coastal Waters From The Mouth Of The Suwannee River To Okaloosa-walton County Line Out To 60 Nm. Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 1/10 Of The Waves. Gmz730-750-752-755-765-770-772-775-231530- Apalachee Bay Or Coastal Waters From Keaton Beach To Ochlockonee River Fl Out To 20 Nm- Coastal Waters From Mexico Beach To Okaloosa Walton County Line Fl Out 20 Nm- Coastal Waters From Mexico Beach To Apalachicola Fl Out 20 Nm- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 20 Nm- Coastal Waters From Suwannee River To Keaton Beach Fl Out 20 Nm- Waters From Mexico Beach To Okaloosa Walton County Line Fl From 20 To 60 Nm- Waters From Apalachicola To Mexico Beach Fl From 20 To 60 Nm- Waters From Suwannee River To Apalachicola Fl From 20 To 60 Nm- 344 Am Edt Tue Apr 23 2019 /244 Am Cdt Tue Apr 23 2019/
Today..East winds 5 to 10 knots becoming south in the afternoon. Seas 1 foot or less. Dominant period 4 seconds. Protected waters a light chop.
Tonight..West winds 5 to 10 knots becoming northwest after midnight. Seas 1 foot or less. Dominant period 5 seconds. Protected waters smooth.
Wednesday..East winds 5 to 10 knots becoming south in the afternoon. Seas 1 foot or less. Dominant period 3 seconds. Protected waters mostly smooth.
Wednesday night..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters mostly smooth.
Thursday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop.
Thursday night..South winds 10 to 15 knots. Seas 2 to 4 feet. Protected waters a light chop. Showers likely and slight chance of Thunderstorms.
Friday..West winds 10 to 15 knots becoming northwest late in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters a light chop. Chance of showers and slight chance of Thunderstorms.
Friday night..Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms.
Saturday..East winds 10 knots. Seas 2 to 4 feet. Protected waters a light chop.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 344 Am Edt Tue Apr 23 2019
Synopsis.. Light winds will continue through Wednesday night as high pressure meanders eastward across our coastal waters. Southerly winds will increase Thursday ahead of our next approaching system, with chances for showers and Thunderstorms Thursday night through Friday night.


7 Day Forecast for Marine Location Near Tyndall AFB, FL
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location: 29.99, -85.7     debug


Area Discussion for -
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Fxus62 ktae 231030
afdtae
area forecast discussion
national weather service tallahassee fl
630 am edt Tue apr 23 2019

Aviation
[through 12z Wednesday]
vfr conds will prevail through the period. Light and variable or
light south to southwest winds are expected with an increase in
high level clouds from a low pressure area over the southern
plains. No precipitation is expected.

Prev discussion [344 am edt]
Near term [through today]
Deep layer high pressure will be situated across the southeast us
and off the eastern seaboard. This will keep the dry forecast going
today with plenty of subsidence aloft. Upstream towards the
southern plains, low pressure will be taking shape with some high
cloudiness spilling over our area. Again, no precipitation is
expected despite the slight increase in high clouds. High
temperatures will warm into the mid to upper 80s.

Short term [tonight through Thursday]
Deep layer ridging will nudge eastward through mid-week. Meanwhile,
a strong upper-level PV anomaly over the desert SW will dig into the
southern plains Thursday. The short term period will remain dry and
warm. Highs will be in the low-mid 80s and lows will be in the mid
50s to around 60.

Long term [Thursday night through Tuesday]
Things will become more interesting as the strong PV anomaly swings
from the southern plains across the northern gulf coast Friday, then
lifting into the east coast Friday night-Saturday. Thunderstorms
will begin to move into the tri-state area Thursday night, then
continue through the region Friday, possibly lingering into Friday
evening over our eastern zones. Instability should be on the lower
end (mlcape <500 j kg) Thursday night, but mid level lapse rates
will be steep (6.5-7 c km) and shear will be high (about 50 kts for
the 0-6 km layer and 25 kts over the 0-1 km layer). Wind shear and
mid-level lapse rates will remain similarly high during the day
Friday as convective instability climbs while storms sweep eastward.

Strong to severe storms will be possible with this system. All
threats (isolated tornadoes, damaging winds, and hail) could be
possible, although with uncertainty in the timing still,
predictability is low.

Temperatures will be slightly cooler Friday as storms move through
the area, but the relief will be short lived. My Sunday highs may
reach back into the mid-upper 80s. Low temperatures will be in the
upper 50s to mid 60s.

Marine
Light winds will continue through Wednesday night as high pressure
meanders eastward across our coastal waters. Southerly winds will
increase Thursday ahead of our next approaching system, with chances
for showers and thunderstorms Thursday night through Friday night.

Fire weather
High dispersion values appear likely for Wednesday across the area.

Other than that, no hazardous fire weather conditions are expected
over the new several days.

Hydrology
The apalachicola river near blountstown is currently in minor flood
stage and will continue to rise until it crests this afternoon
around 18.3 feet. The river is forecast to gradually recede through
the end of the week. Our next chance for rain across the region will
come Thursday night. However, this system is expected to be
progressive, generally keeping rainfall amounts around 1.5 inches or
less across the region.

Spotter information statement
Spotter activation is not requested. However, spotters are always
encouraged to safely report significant weather conditions when they
occur by calling the office or tweeting us @nwstallahassee.

Preliminary point temps pops
Tallahassee 87 55 86 60 85 0 0 0 0 0
panama city 78 60 76 63 78 0 0 0 10 10
dothan 84 58 83 59 82 0 0 0 0 10
albany 85 59 84 60 84 0 0 0 0 0
valdosta 87 57 86 59 86 0 0 0 0 0
cross city 85 55 85 58 86 0 0 0 0 0
apalachicola 78 58 78 63 79 0 0 0 0 0

Tae watches warnings advisories
Fl... None.

Ga... None.

Al... None.

Gm... None.

Near term... Scholl
short term... Nguyen
long term... Nguyen
aviation... Scholl
marine... Nguyen
fire weather... Scholl
hydrology... Nguyen


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 11 mi38 min NNE 5.1 G 7 71°F
PCBF1 18 mi38 min NNE 6 G 7 60°F 68°F1019.4 hPa
APCF1 - 8728690 - Apalachicola, FL 42 mi38 min N 5.1 G 5.1 62°F 69°F1019.5 hPa

Wind History for Panama City, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tyndall Air Force Base, FL8 mi36 minN 010.00 miFair56°F53°F91%1019.6 hPa

Wind History from PAM (wind in knots)
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Last 24hrCalmCalmN7NE5N4NE5SE3SW9SW10W12SW11W9SW8W6W6W5W4NW3CalmNW4N3N4N4Calm
1 day agoN3N3N3N5N7NE4N6SW11--W13W13W11W11W9W6W5W3CalmW3NW3CalmN3NE3Calm
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Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
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Tue -- 06:07 AM CDT     Sunrise
Tue -- 09:25 AM CDT     Moonset
Tue -- 12:29 PM CDT     1.44 feet High Tide
Tue -- 07:15 PM CDT     Sunset
Tue -- 11:21 PM CDT     -0.22 feet Low Tide
Tue -- 11:42 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-0.100.10.30.40.60.811.11.31.41.41.41.41.210.80.50.30.1-0.1-0.2-0.2

Tide / Current Tables for Parker, St. Andrew Bay, Florida
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Parker
Click for Map
Tue -- 12:48 AM CDT     -0.28 feet Low Tide
Tue -- 06:07 AM CDT     Sunrise
Tue -- 09:25 AM CDT     Moonset
Tue -- 01:55 PM CDT     1.73 feet High Tide
Tue -- 07:14 PM CDT     Sunset
Tue -- 11:42 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.3-0.2-0.1-00.10.30.50.811.21.41.61.71.71.71.61.41.20.90.60.40.1-0.1

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 (6,6,7,8)
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Ground Weather Radar Station Northwest Florida
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Gulf Stream Current


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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.