Monday, September27, 2021
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Marine Weather and Tides
Nash, OK

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:22AMSunset 7:22PM Monday September 27, 2021 10:39 PM CDT (03:39 UTC) Moonrise 10:21PMMoonset 12:42PM Illumination 58% 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 Nash, OK
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location: 36.66, -97.93     debug


Area Discussion for - Norman, OK
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FXUS64 KOUN 280249 AFDOUN

Area Forecast Discussion National Weather Service Norman OK 949 PM CDT Mon Sep 27 2021

. New AVIATION .

SHORT TERM. (This evening through Tuesday) Issued at 257 PM CDT Mon Sep 27 2021

Ample dynamic lift generated by the approaching closed-low and LLJ could provide for showers/storms over western OK and western north TX this evening and tonight (as the GFS would suggest). However, due to substantially dry air at the low to middle layers, mainly mid-level clouds and virga will be the main result.

The mid-level low becomes an open wave and begins to lift north- northeastward, and additional moisture advects northward with dew point temperatures rising into the mid 60's across much of the area. By mid-morning, veering mid-level winds push a drier air mass over the TX panhandle. As a result, the developing dryline sharpens as it enters western Oklahoma and western north Texas by early tomorrow afternoon. Additionally, as the LLJ strengthens during the afternoon, scattered thunderstorms develop along the dryline southwest Oklahoma and western north Texas.

Bulk shear vectors veer and strengthen tomorrow evening with the shear vector becoming orthogonal to the dryline. Therefore, storm mode is likely to be discrete. Forecast soundings show an inverted-V profile, indicative of damaging wind gusts. Some hail is also possible. It is worth noting that model trends have shifted the dry line to the west, and so, storm initiation could be closer to the Lawton/Wichita Falls area.

Thompson

LONG TERM. (Tuesday night through next Sunday) Issued at 345 PM CDT Mon Sep 27 2021

In the long range, two upper level systems originating out of the Southwestern U.S. will be maintaining our wet trend through this weekend. Temperatures will remain unseasonably warm through Wednesday, after which a cold front on Thursday will bring a change of more seasonably average temperatures and trending cooler than average into the weekend.

For late Tuesday, ongoing surface based convection along a dryline may persist into the evening hours across southwest Oklahoma and western north Texas. Although the dryline should be retreating westward back into the Texas Panhandle while losing our diurnal heating and capping off, a strong south to north orientated low- level jet will increase through the overnight hours, maintaining a risk for strong to marginally severe storm clusters. However, expecting the severe risk to diminish late in the evening. As a result, increased mid-20s storm POPs further west than NBM through the evening hours. After midnight Wednesday, expecting additional but higher based convection as our first of two upper level waves continues coming through. Although ECMWF is the dry outlier, the wet NAM & GFS showing ample mid-level ascent in both vorticity and omega fields, and certainly warm air advection should be in place. Went ahead and bumped up overnight storm POPs more toward MAV guidance, keeping the highest POPs south of I-40. With the low-level jet diminishing late Wednesday morning, could still see a few elevated storms with shortwaves coming through the main wave, keeping the highest storm POPS across southeast Oklahoma through the afternoon hours. Weak elevated instability and effective shear should limit any severe storms at this point. Expecting our first upper wave to have moved completely through by late Wednesday.

Early Thursday, the second upper wave will start advancing, which will begin pushing a lee based surface low and boundary/cold front across our area. Could see some surface based storms develop along the frontal boundary maintaining POPs for Thursday. With the ECMWF and Canadian NH models being more aggressive and wetter than the dry biased GFS in handling the surface boundary, can't completely rule out sufficient surface based instability for up to a few strong storms along the front. Will maintain chance POPs Friday through Saturday for periods of high based rain and thunderstorms as this second wave moves through, to slight chances on Sunday as it exits.

AVIATION. (00Z TAFS) Issued at 936 PM CDT Mon Sep 27 2021

VFR conditions are expected outside of thunderstorms later Tuesday. South winds will moderately gust during the day. Rain chances increase Tuesday afternoon over southern Oklahoma and northern Texas with some thunder expected.

UPPER AIR. Issued at 1200 PM CDT Fri Sep 24 2021

No upper air flights are planned at this time.

PRELIMINARY POINT TEMPS/POPS. Oklahoma City OK 65 91 67 85 / 0 20 40 50 Hobart OK 64 93 64 90 / 10 30 30 30 Wichita Falls TX 66 92 66 89 / 10 30 40 40 Gage OK 62 91 62 90 / 10 20 10 30 Ponca City OK 66 92 66 87 / 10 10 20 50 Durant OK 64 92 69 85 / 0 20 30 70

OUN WATCHES/WARNINGS/ADVISORIES. OK . None. TX . None.

SHORT TERM . 01 LONG TERM . 68 AVIATION . 09


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Enid, Enid Woodring Regional Airport, OK21 mi44 minSE 510.00 miFair75°F52°F44%1011.2 hPa
Vance Air Force Base / Enid, OK22 mi43 minSSE 1010.00 miFair80°F53°F38%1009.9 hPa

Link to 5 minute data for KWDG

Wind History from WDG (wind in knots)
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Last 24hrCalmS3S5S5S6S6S4S7S8S12S13
G17
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1 day agoSE5S5S6S5S6S7S7S6S7S11S10S17
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2 days agoN8N7N7N8NE7NE5NE6CalmCalmE4E6E6E5SE7
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Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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