Saturday, April21, 2018 L-36.com


Marine Weather and Tides
Tyndall AFB, FL

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:06AMSunset 7:15PM Saturday April 21, 2018 6:11 PM CDT (23:11 UTC) Moonrise 11:00AMMoonset 12:12AM Illumination 41% Phase: Waxing Crescent; Moon at 7 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 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- 258 Pm Edt Sat Apr 21 2018
.small craft advisory in effect through Sunday afternoon...
Tonight..East winds 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Highest seas offshore. Dominant period 4 seconds. Protected waters choppy. Slight chance of showers in the evening, then chance of showers after midnight.
Sunday..Southeast winds 20 knots decreasing to 15 knots in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. Highest seas offshore. Dominant period 4 seconds. Dominant period 4 seconds in the afternoon. Protected waters a moderate chop. Slight chance of showers and Thunderstorms.
Sunday night..South winds 15 to 20 knots. Seas 2 to 3 feet. Dominant period 3 seconds building to 3 to 5 feet with occasional seas up to 6 feet. Highest seas offshore. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms.
Monday..Southwest winds 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms.
Monday night..West winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop. Slight chance of rain in the evening.
Tuesday..West winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a light chop.
Tuesday night..Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a moderate chop.
Wednesday and Wednesday night..West winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a light chop.
Thursday..West winds 10 knots. Seas 2 to 3 feet. Protected waters a light chop. Slight chance of rain.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 258 Pm Edt Sat Apr 21 2018
Synopsis.. Elevated easterly winds will continue to yield advisory level conditions across coastal waters through Sunday afternoon. A small craft advisory remains in effect until Sunday afternoon. Showers and Thunderstorms are likely Sunday through Monday as a cold front approaches.

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 211907
afdtae
area forecast discussion
national weather service tallahassee fl
307 pm edt Sat apr 21 2018

Near term [through tonight]
Low-level easterly flow will continue across the region overnight
under the influence of strong surface high pressure parked over the
mid-atlantic and new england. Upper low currently over the high
plains will gradually shift westward into arkansas overnight.

Onshore flow above the boundary layer will increase across the local
area as a result, providing enough lift for scattered showers to
develop after midnight. Rainfall amounts should be light with this
activity. Expect low temperatures in the lower to mid 60s
overnight.

Short term [Sunday through Monday night]
Quiet weather will come to an end on Sunday as an upper level low
and associated surface front move into the region. At the beginning
of the period, showers and thunderstorms will be ongoing across
eastern portions of the lower mississippi valley and southeast. This
activity will move into the tri-state region late Sunday
afternoon early Sunday evening and is expected to persist through
Monday morning before conditions gradually improve from west to
east. The main threat from this system will be heavy rainfall, with
forecast rainfall totals of 2 to 4 inches generally west of the
apalachicola chattahoochee rivers and 1 to 2 inches east. Though
heavy rain will be the main threat, deep layer shear on the order
of 40+ knots and CAPE in the range of 500 to 1000 j kg will yield
an environment capable of supporting isolated strong to severe
thunderstorms, particularly on Sunday evening. It is noteworthy
that low level directional shear looks fairly substantial in the
current model guidance, and storm mode will likely consist of
broken cell clusters semi-discreet cells. An isolated tornado is
not out of the question in this kind of environment. Isolated
instances of damaging wind gusts are possible, especially with any
cell to cell, cell to cluster mergers that may occur. Seasonal
temperatures will persist through the period.

Long term [Tuesday through Saturday]
The upper low that will be responsible for Sunday and Monday's
showers and thunderstorms will slowly lift poleward on Tuesday
before getting kicked eastward by an approaching clipper system from
the west Tuesday night Wednesday morning. Model guidance remains
consistent this afternoon in depicting some wrap around moisture
yielding showers across southeast alabama southern georgia on
Tuesday. Quiet weather will be short-lived on Wednesday, as a quick
moving shortwave trough will bring another chance of showers to the
region late Wednesday early Thursday time-frame. After this system,
model guidance diverges significantly moving into the weekend, thus
pops for Friday and Saturday are low confidence at this point.

Temperatures will remain seasonal through the period.

Aviation [through 18z Sunday]
Easterly winds will continue through the overnight hours into
early Sunday, with ifr CIGS possible after midnight at all
terminals. Showers will be possible for the florida and alabama
terminals overnight. However, heaviest rainfall will be beyond the
current forecast period.

Marine
Elevated easterly winds will continue to yield advisory level
conditions across coastal waters through Sunday afternoon. A small
craft advisory remains in effect until Sunday afternoon. Showers and
thunderstorms are likely Sunday through Monday as a cold front
approaches.

Fire weather
While winds will be elevated over the next few days, rh values
will preclude red flag warnings. Widespread showers and thunderstorms
are expected Sunday into Monday.

Hydrology
All river points are below action stage this afternoon. Rainfall
totals of 2 to 4 inches can be expected west of the
apalachicola chatahoochee rivers Sunday through Monday, with general
amounts of 1 to 2 inches east. Rainfall will be heavy at times,
likely causing minor flooding issues in urban and poor drainage
areas. Instances of flash flooding cannot be ruled out at this time,
given the rainfall rates that will be possible with some of this
activity.

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 62 78 64 80 59 40 40 80 70 10
panama city 66 75 66 76 62 40 40 70 30 10
dothan 60 76 63 80 58 40 80 90 30 10
albany 61 75 63 78 59 40 80 90 70 10
valdosta 62 76 63 79 59 40 60 70 70 20
cross city 64 80 65 80 62 40 50 40 40 20
apalachicola 66 75 67 77 63 30 20 70 50 10

Tae watches warnings advisories
Fl... High rip current risk until 1 am edt midnight cdt Sunday for
coastal franklin-coastal gulf.

Ga... None.

Al... None.

Gm... Small craft advisory until 2 pm edt Sunday for apalachee bay or
coastal waters from keaton beach to ochlockonee river fl
out to 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-coastal waters from
mexico beach to apalachicola fl out 20 nm-coastal waters
from mexico beach to okaloosa walton county line fl out 20
nm-waters from suwannee river to apalachicola fl from 20 to
60 nm-waters from apalachicola to mexico beach fl from 20
to 60 nm-waters from mexico beach to okaloosa walton county
line fl from 20 to 60 nm.

Near term... Camp
short term... Pullin
long term... Pullin
aviation... Camp
marine... Pullin
fire weather... Fieux
hydrology... Pullin


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 11 mi42 min W 2.9 G 4.1 70°F 71°F1019.8 hPa
PCBF1 18 mi42 min WNW 5.1 G 6 69°F 69°F1019.9 hPa
APCF1 - 8728690 - Apalachicola, FL 42 mi42 min E 7 G 8 74°F 71°F1019.3 hPa
APXF1 - Apalachicola Reserve, FL 45 mi87 min E 8.9 78°F 65°F

Wind History for Panama City, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tyndall Air Force Base, FL8 mi16 minWSW 410.00 miA Few Clouds74°F67°F78%1019.3 hPa

Wind History from PAM (wind in knots)
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Last 24hrW5CalmN3N4E5E7NE4E4E5NE3NE3E3NE4NE6E10E9
G14
E6E5SE7SE4SE7W5W6SW4
1 day agoW9W8NW6N7N9N10N10N11N9NE10NE8NE7N8NE7
G15
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2 days agoS8S7S8S10S10SW8W6W7W7W7W6W7W6W9W13W15
G20
W16W17W13W13W11W11W13W9

Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
Click for Map
Sat -- 12:12 AM CDT     Moonset
Sat -- 06:09 AM CDT     Sunrise
Sat -- 10:59 AM CDT     Moonrise
Sat -- 01:30 PM CDT     1.59 feet High Tide
Sat -- 07:14 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.3-0.2-0.10.10.30.50.70.91.11.31.41.51.61.61.51.41.210.70.50.20-0.2

Tide / Current Tables for Panama City, St. Andrew Bay, Florida
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Panama City
Click for Map
Sat -- 12:12 AM CDT     Moonset
Sat -- 01:16 AM CDT     -0.35 feet Low Tide
Sat -- 06:09 AM CDT     Sunrise
Sat -- 10:59 AM CDT     Moonrise
Sat -- 02:37 PM CDT     1.53 feet High Tide
Sat -- 07:13 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.3-0.3-0.3-0.2-00.20.40.60.811.21.31.51.51.51.51.41.210.70.50.2-0

Weather Map and Satellite Images
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wmap_A
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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (19,4,5,8)
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Ground Weather Radar Station Northwest Florida
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weather_mapweather_map weather_map

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.