Monday, June21, 2021
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Marine Weather and Tides
Hendley, NE

Version 3.4
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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 6:03AMSunset 9:12PM Monday June 21, 2021 2:42 AM CDT (07:42 UTC) Moonrise 4:54PMMoonset 2:38AM Illumination 86% 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 Hendley, NE
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Area Discussion for - Hastings, NE
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FXUS63 KGID 210627 AFDGID

AREA FORECAST DISCUSSION National Weather Service Hastings NE 127 AM CDT Mon Jun 21 2021

. Aviation Update .

DISCUSSION. (This evening through Sunday) Issued at 308 PM CDT Sun Jun 20 2021

Upper air and satellite data showing continued west-northwesterly flow in place across the region this afternoon, set up between high pressure sitting roughly over the western US/Mex border and broad troughing to the north. The main trough axis extends from central Canada into the Dakotas, with activity spread across the western Great Lakes/Midwest regions. Another embedded shortwave disturbance is making its way southeastward through the Rockies, and will be our next weather-maker. At the surface, the cold front associated with the larger scale upper level trough continues to push south across the region this afternoon, and within the next hour or so the entire CWA will have gusty north to northwest winds in place Most gusts have been around 25 MPH or so. but a few have been closer to 35 MPH at times (esp in the NNW). This front has been bringing in gradually lowering dewpoints, currently ranging from the low-mid 50s in the NNW to mid 60s in the SE. Temperatures range from the lower 80s NW to lower 90s SE. Satellite imagery showing a bit of CU accompanying the frontal boundary, but overall there is plenty of sun CWA-wide.

Tonight into Monday .

The main concern in the short term period lies with another round of preciptiation chances, driven by the above mentioned shortwave disturbance currently over the Rockies. Overall there hasn't been any notable changes in models, which remain in pretty good agreement. This upper level disturbance looks to continue sliding southeast this evening/tonight, clipping southern NE as it moves into KS. The best forecast PoPs remain south of a Lexington to Hebron line, with some models showing an even sharper drop-off in QPF than that (keeping most/all over our KS counties). Expecting the evening hours to remain dry, with models in pretty good agreement with the timing, not bringing much activity into the CWA until closer to/after midnight tonight. Things look to end by mid-morning Monday.

This upper level trough axis/sfc cold front swinging through is pushing the better instability south of the CWA with time, and while can't rule out a few rumbles of thunder, it's not expected to be widespread, and strong/severe storms are not expected.

During the rest of the daytime hours Monday, went back and forth about what to do with precipitation chances. A good chunk of hi- res models continue to hint at the potential for at least a bit of peak- heating/afternoon activity developing . so decided to insert a mention of sprinkles. Wouldn't amount to much, and what would happen to develop looks like it'd be pretty scattered in nature. Mostly cloudy skies early in the morning should give way to partly cloudy skies through the afternoon. Otherwise, it looks to be a really nice day, as the cooler airmass accompanying this frontal boundary settles in, bringing highs in the mid-upper 70s. Combined with expected dewpoints in the 40s and lighter winds, it'll be a good day to be outdoors.

Mid-Late Week/Start of the Weekend .

Forecast for Tuesday and Wednesday is dry, with models showing upper level ridging building back north into the Rockies/Plains. Certainly not a guarantee, as a few models try to put some spotty precip in parts of the area . just nowhere enough confidence to insert any PoPs.

This building upper level ridge doesn't look to last long, with models in good agreement showing a number of disturbances moving through/breaking down that pattern and turning it more zonal. Confidence in the timing/track of any of these systems is not high, and the NBM had at least slight chance PoPs returning Wednesday night through Saturday AM . with the best chances potentially Thursday night into Friday.

As far as temperatures go, Monday's cool down is short-lived, with warmer air building back in with that upper ridging, and forecast highs are back into the mid-90s by Wed/Thur. Depending on how those late weekend precip chances pan out, could see another cool down for Fri/Sat, which have highs back in the lower-mid 80s.

AVIATION. (For the 06Z KGRI/KEAR TAFS through 06Z Tuesday) Issued at 126 AM CDT Mon Jun 21 2021

Ceiling/visibility/precipitation: High confidence in VFR ceiling/visibility throughout the period, although there will be quite a bit of mid-high level cloud cover at times. Could see at least a few stratocumulus as low as around 4-5K ft. during the day, but am not expecting any threat of an MVFR ceiling. Precipitation-wise, KEAR/KGRI will reside near the far north edge of isolated/scattered light rain showers passing through the area early this morning, and have maintained a generic "vicinity shower" (VCSH) through 11Z to acknowledge this possibility. During the afternoon, cannot completely rule a passing sprinkle/rogue shower, but probability of occurrence is far too low for formal inclusion at this time.

Surface winds: It will not be nearly as breezy these next 24 hours, as sustained wind speeds should mostly average near-to-below 10KT (although some minor gusts to around 15KT are certainly likely especially much of the daylight hours). As for direction, it will prevail north- northwesterly through the majority of the period, but then become generally variable late in the period Monday evening as direction gradually flips around to southerly.

GID WATCHES/WARNINGS/ADVISORIES. NE . NONE. KS . NONE.

DISCUSSION . ADP AVIATION . Pfannkuch


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
McCook, McCook Municipal Airport, NE35 mi49 minWNW 810.00 miOvercast63°F54°F73%1015.3 hPa

Link to 5 minute data for KMCK

Wind History from MCK (wind in knots)
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Last 24hrN5S5CalmCalmCalmS3NW9N14N19
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1 day agoNW4N11CalmNE8SW4N5E11E12E9E11E12E7
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