Friday, September17, 2021
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Marine Weather and Tides
Stockville, NE

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 7:24AMSunset 7:50PM Friday September 17, 2021 12:10 PM CDT (17:10 UTC) Moonrise 5:36PMMoonset 2:26AM Illumination 84% Phase: Waxing Gibbous; Moon at 11 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 Stockville, NE
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location: 40.6, -100.37     debug


Area Discussion for - North Platte, NE
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FXUS63 KLBF 171133 AFDLBF

Area Forecast Discussion National Weather Service North Platte NE 633 AM CDT Fri Sep 17 2021

SYNOPSIS. Issued at 411 AM CDT Fri Sep 17 2021

H5 analysis from earlier this evening had an area of high pressure over the southern third of the CONUS. Low pressure was located over northwestern Manitoba with a trough extending southwest into central Montana. West of the trough, a ridge of high pressure extended from Washington state north ito northern British Columbia. East of the trough, ridging was present across Quebec. A surface cold front had passed through the area as of 2 AM CDT and was located from Tekamah to McCook. Showers and thunderstorms continue over the eastern Sandhills overnight and have weakened in intensity over the past 1-2 hours. This led to the cancellation of the severe thunderstorm watch an hour ahead of its expiration time of 3 AM CDT. Skies were mostly cloudy across western and north central Nebraska and 2 AM CDT temperatures ranged from 49 degrees at Gordon to 70 at Imperial.

SHORT TERM. (Today through Saturday) Issued at 411 AM CDT Fri Sep 17 2021

Temperatures behind the front today, then fire weather concerns on Saturday are the main forecast challenges in the near term. Based on current radar trends, along with support from the latest HRRR, feel confident that ongoing convection across the area will end by sunrise. With this in mind, will retain a dry forecast for today. Behind the exiting front, easterly and northeasterly winds will persist today with cool upslope flow across the forecast area. The 305K isentropic surface, indicates easterly flow with weak upglide noted through this afternoon. With a drier layer noted below this surface, the threat for precipitation will be minimal today. However, persistent cloud cover is expected given the decent isentropic upglide today. The expected cloud cover will lead to much cooler highs today, particularly over the southern half of the forecast area. Highs will struggle to hit 70 in the southern forecast area with some lower 70s possible in the north, where some limited clearing may occur later this afternoon. For tonight, a surface trough of low pressure will develop off to the west of the forecast area, increasing southerly flow. The surface trough will deepen further across the panhandle on Saturday. This will lead to gusty southerly winds across the eastern 2/3rds of the forecast area. The strong southerly winds will also usher in much warmer air into the region Saturday. Highs will range from the middle 80s in the east to lower 90s in the west. By afternoon, minimum relative humidity will reach near critical levels (around 15 percent) in the eastern panhandle. As for critical wind speeds Saturday afternoon, there is some doubt as to whether or not they will be hit with the surface trough present in the panhandle. That being said, will forgo a fire weather watch for Saturday afternoon in zone 204.

LONG TERM. (Saturday night through Thursday) Issued at 411 AM CDT Fri Sep 17 2021

A northern stream trough of low pressure aloft, will push into the intermountain west on Sunday. Downstream of this feature, ridging aloft will begin to break down and shift east of the area on Sunday. In advance of the approaching trough, one more day of very warm temperatures are expected across the central and southern plains. Highs Sunday will be in the 80s to around 90. On Sunday night, a strong cold front will be forced through the area as the trough aloft lifts into the western Dakotas. There will be a threat for showers and thunderstorms along the front Sunday night. With limited low level moisture present across the forecast area, precipitation will be limited along the front. Highs Monday and Tuesday will be in the mid 60s to mid 70s Monday, followed by upper 60s on Tuesday. Dry northwesterly flow will continue into the end of next week with highs rebounding back into the 70s and 80s.

AVIATION. (For the 12Z TAFS through 12Z Saturday morning) Issued at 631 AM CDT Fri Sep 17 2021

Gusty northerly winds will continue across southwest and parts of north central Nebraska this morning behind a cold front that moved through overnight. VFR to MVFR conditions will exist this morning in southwest Nebraska including KLBF due to lower ceilings. Afterwards, VFR conditions are expected across the area for the rest of the forecast period. Winds will shift to the southeast this afternoon, then to the south tonight.

LBF WATCHES/WARNINGS/ADVISORIES. None.

SYNOPSIS . Buttler SHORT TERM . Buttler LONG TERM . Buttler AVIATION . Meltzer


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
McCook, McCook Municipal Airport, NE28 mi17 minNE 18 G 2210.00 miOvercast and Breezy61°F46°F58%1022.4 hPa

Link to 5 minute data for KMCK

Wind History from MCK (wind in knots)
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Last 24hrS15
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1 day ago--S14
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2 days agoNE10NE10NE65NE6E6E6E5NE5E6E5E4E5CalmE3CalmE3NE4SE3S6SE7------

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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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