Tuesday, September22, 2020
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Marine Weather and Tides
Letona, AR

Version 3.4 		NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
Sunrise 6:54AMSunset 7:04PM Tuesday September 22, 2020 5:20 AM CDT (10:20 UTC) Moonrise 11:53AMMoonset 10:01PM Illumination 26% Phase: Waxing Crescent; Moon at 5 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 Letona, AR
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location: 35.37, -91.88     debug

Area Discussion for - Little Rock, AR
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FXUS64 KLZK 220909 AFDLZK

Area Forecast Discussion National Weather Service Little Rock AR 409 AM CDT Tue Sep 22 2020

SHORT TERM. Today Through Wednesday Night

Unsettled weather will continue across the SWrn half of AR this morning as tropical moisture advects into the region. On a national scale, a large upper ridge is centered over the TN Valley which will slide Ewrd as a new, H500, mesoscale trough develops today over the Srn plains. TS Beta has made landfall early this morning along the C/NE TX coastline and will slowly lift N and E parallel with the coast over the next couple days. Moisture associated with Beta, will continue to lift Nwrd into the developing upper low over the Srn plains. This will be our primary moisture source for precipitation through early Thursday. The actual tropical system, will track well S and E of AR into C MS by Thursday.

Looking higher in the atmosphere, at H250, a subtle but important shortwave trough will emerge from the Srn plains and quickly move towards the region. By mid-day today, mesoscale forcing for ascent at H250 is anticipated to generate a mid-level cyclone (non- tropical) at H500. Regardless of the fact the region will be under the influence of synoptic scale high pressure, this upper low/trough will deepen/increase height falls from continued divergence aloft. The upper low will be located invof OH Valley by the end of the period.

Precipitation will expand in coverage today, occupying much of C AR through the afternoon. By Tuesday evening, precipitation is expected to lift N and E into areas that have remained fairly dry thus far. Showers and maybe an isolated thunderstorm will continue on Wednesday into portions of Thursday in response to the upper low developing and moving across NWrn AR. Light to moderate rain will begin to taper off late Wednesday night across NW AR and this trend will continue towards the S and E on Thursday. With a lack of substantial tropical moisture and continued E/NE winds, severe weather is not expected and the flash flood threat appears minimal at this time.

While flash flooding can not be ruled out entirely, isolated areas with heavy rainfall could still produce brief flooding, which would be more likely to occur over S/SW/or Wrn AR where soil moisture is greatest. Additional rainfall through early Thursday will range from one to two inches over S/SWrn AR to maybe a couple tenths over NE AR as amounts dwindle further N and E into the state.

Temperatures this morning were mainly in the upper 50s to mid 60s with highs expected to top out in the mid 60s to lower 70s both Tuesday and Wednesday. Cloud cover, precipitation, and E/NE winds will keep temperatures from warming much either afternoon. Wednesday night, temperatures will cool slightly with readings in the mid 50s to around 60 degrees.

LONG TERM. Thursday Through Tuesday

Medium range models remain in decent agreement in the synoptic scale with the usual differences in the finer details. As such, will use a blend of model solutions this morning with a slight lean towards the more consistent ECMWF.

Period initiates with a compact shortwave trough over the state and the remnants of tropical system Beta which should be somewhere over southern Louisiana. These systems will work in tandem to keep chance to slight chance pops across the eastern half of the state Thursday. The remnants of Beta will move very slowly to the northeast during the day, reaching western Mississippi by evening as the shortwave trough weakens. The result will be decreasing precipitation chances.

Meanwhile, upper ridging will extend from the desert southwest into the upper midwest with deep troughing over the eastern Pacific. The aforementioned troughing over the state will be replaced by a weak ridge in advance of the approaching Pacific trough. This trough will move across the northern tier of states this weekend and drag a cold front through the state Saturday night through Sunday. Rain chances with this front do not look very high as moisture return will be lacking so only low end chances will be held onto.

A shot of cooler air will follow this front but a more significant shot of cool air will come in late in the period and into the middle of next week. Long range models are advertising the upper pattern to become highly amplified in the middle of next week with a rather deep and pronounced northwest flow setting up over the state.

Temperatures will be a little below normal to start the period but then rise to above normal though the weekend and into early next week even with the frontal passage. Look for a significant cool down if this amplified pattern develops as currently progged to.

PRELIMINARY POINT TEMPS/POPS. Batesville AR 71 59 67 57 / 40 50 60 40 Camden AR 68 61 70 62 / 100 80 80 50 Harrison AR 69 56 66 54 / 70 40 40 20 Hot Springs AR 66 60 68 59 / 100 70 70 30 Little Rock AR 68 60 68 60 / 80 70 70 40 Monticello AR 69 61 69 61 / 80 90 80 60 Mount Ida AR 66 58 67 57 / 100 70 60 30 Mountain Home AR 71 57 67 55 / 50 40 40 20 Newport AR 69 60 69 59 / 40 40 60 40 Pine Bluff AR 69 60 68 60 / 80 80 80 50 Russellville AR 68 59 68 58 / 90 70 60 30 Searcy AR 69 59 68 59 / 60 60 70 40 Stuttgart AR 69 61 68 60 / 70 80 80 50

LZK Watches/Warnings/Advisories. NONE.

Short Term . JONES / Long Term . GOUDSWARD

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Searcy Municipal Airport, AR14 mi24 minE 310.00 miLight Rain66°F62°F87%1021.6 hPa

Link to 5 minute data for KSRC

Wind History from SRC (wind in knots)
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Last 24hrNE6NE5NE6NE8E6E5E8SE7NE8NE8E7E6E6NE4SE5E5E6E5E4E4E4E3E3E3
1 day agoN4N4N5NE7NE66NE4NE9E9E7
G15		E8E9NE9NE8NE7NE7NE7NE8NE9NE8NE8NE6NE6NE6
2 days agoN4N4N6N7NE11NE7NE12NE10N11
G16		N10NE13
G16		NE13NE15N6N6N7N6N6N6N7N5N5N4N4
Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Little Rock, AR
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