Friday, January22, 2021
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Marine Weather and Tides
Cheyenne Wells, CO

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 7:53AMSunset 5:57PM Friday January 22, 2021 10:26 AM CST (16:26 UTC) Moonrise 1:13PMMoonset 2:37AM Illumination 69% Phase: Waxing Gibbous; Moon at 9 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 Cheyenne Wells, CO
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location: 38.89, -102.29     debug


Area Discussion for - Goodland, KS
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FXUS63 KGLD 221116 AFDGLD

Area Forecast Discussion National Weather Service Goodland KS 416 AM MST Fri Jan 22 2021

SHORT TERM. (Today through Sunday night) Issued at 230 AM MST Fri Jan 22 2021

Across the region this morning, a layer of mid level clouds is currently moving eastward thru the area, allowing for sky conditions to range from clear to mostly cloudy at times. Winds are mainly light due to ridge axis pushing into north central Kansas. Western locales are starting to see light southerly return flow due to proximity from the axis. Temperatures at this time are ranging mainly in the 20s, with a few spots around 30F.

The latest RAP40 500 mb analysis in combination with the latest mid level water vapor satellite loop is showing a broad west- northwesterly flow from the Plains region eastward into the Mississippi Valley. A weak ridge is west of the CWA extending into the Rockies, with a cutoff low currently off the northern California coast and pushing southward.

Down to the surface, the region is seeing a continued slow push southward thru the Plains of the aforementioned surface ridge. There is a meandering frontal boundary extending from the southern Plains, up into the eastern Rockies then west to the California coastline. A trough of low pressure does form along the Front Range today. This will allow for a decent southerly gradient to set up later today, that will sharpen some going into tonight/Saturday as the trough shifts eastward into the Plains region as a closed low.

Weak trough at 500/700mb does move in tandem with the low later tonight. Low level moisture does work in ahead of the low late tonight into Saturday morning for increased clouds, especially into our northern tier zones and eastward into Graham/Norton counties. With an inversion over the area during this time and lacking ice in the DGZ(dendritic growth zone), have a mention of freezing drizzle in portions of Nebraska along/north of Highway 34 and extending into Graham/Norton counties. At this time with most of the QPF north of the CWA, a glaze is possible. this will have to be monitored for any potential advisory later today.

Nearly zonal flow aloft on Saturday, along with the passing of the surface low, should allow for a decent rise in daytime temps over the area, but is highly dependent on how fast/much the cloud cover clears going into Saturday morning. There will be a wide temperature range for this day as a result.

For the Saturday night period on thru the remainder of the upcoming weekend, the weather focus now shifts to the aforementioned closed low over the northern California coast. This system shifts into the desert southwest by Saturday, weakening some and lift east-northeast into the central Plains late Sunday into Sunday night. With this being an open wave as it arrives, and an associated surface low being well south and east of the region, limited QPF for the trough passage and will have a period of light snow over the CWA. Current track favors locales south of Interstate 70 for best chances at light accum. These areas could see up to an inch tapering a half inch or less the further north/west one travels.

For temps, highs today will range in the 40s area-wide. Warmest locales will be west of Highway 25 as these areas will be furthest from the affects of the slow moving ridge axis/see WAA on southerly flow first. Saturday's highs will be cloud cover dependent with a range from the mid 40s east/northeast, up to the mid and upper 50s from Interstate 70 south/Highway 25 west. Colder airmass over the CWA on Sunday will have highs reaching only in the mid to upper 30s. Overnight lows will range from the mid 20s tonight down to the upper teens going into Sunday night. For the overnight/early morning periods in the short term, wind chill readings will range in the teens.

LONG TERM. (Monday through Thursday) Issued at 115 AM MST Fri Jan 22 2021

Models in fairly good agreement that a series of three shortwave troughs embedded in a southwest flow aloft will move across the area Monday through Wednesday. They are timed about 12 hours apart. Each will bring a round of light snow. Appears that the first system will be the strongest, which will be impacting the area through Monday morning. ECWMF and GEFS ensemble means show storm totals of 1 to 2 inches with this first system, highest amounts generally south of Interstate 70. After a lull in the snow Monday afternoon and evening, the second system will arrive late Monday night. Snow chances continue through Tuesday. Both ensemble averages show around an additional inch with that system. The final kicker arrives Tuesday night with light snow continuing through Wednesday. Another inch or two possible, with the GEFS showing slightly more than the ECMWF ensemble mean. Total snow accumulations during the 3 day period Monday through Wednesday will be 1 to 3 inches, highest amounts east of Highway 25. Both ensemble means show low probabilities, less than 20 percent, of snowfall exceeding 6 inches in the far eastern areas during that period. Given the long duration of the event, thinking at worst an advisory may be needed for a portion of the area, most likely south and east. Wind does not appear to be an issue. Temperatures will be below normal given the clouds and snow, but not that far from normals. Upper ridge builds in for Thursday with dry conditions and warming temperatures.

AVIATION. (For the 12Z TAFS through 12Z Saturday morning) Issued at 416 AM MST Fri Jan 22 2021

High pressure setting up to the east and a trough of low pressure to the west, will give both terminals VFR conditions and increased southerly flow, especially for KGLD.

Winds for KGLD, southerly around 10-15kts. Gusts to 25kts 18z-00z and again 07z-11z Saturday. LLWS 07z-11z Saturday 190@45kts.

Winds for KMCK, light/variable through 18z, then southeast 10-15kts.

GLD WATCHES/WARNINGS/ADVISORIES. KS . NONE. CO . NONE. NE . NONE.

SHORT TERM . JN LONG TERM . 024 AVIATION . JN


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington - Carson County Airport, CO24 mi33 minS 1310.00 miFair31°F16°F54%1019.7 hPa

Link to 5 minute data for KITR

Wind History from ITR (wind in knots)
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Last 24hrN10N16
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N16NE12NE9NE10NE8NE7E6E9E9SE6SE6SE5SE7S10S9S8S8S9S9S8S13
1 day agoNW17NW15N9N9NE11NE11NE10N7W4N7NE8CalmS4SW5W7W9W8W8W10W10W8W8W7NW10
2 days agoN15
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NW9NW9NW8W5CalmS7SW7SW6SW8SW9SW11SW11SW14SW10SW10SW11SW19SW19SW12W8

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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.
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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 numerous 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.