MesoWest Information for MOPC2 in Moon Pass, CO, United States Of America (site inactive)

The following information is known about MOPC2. If you think that any information is incorrect, then please follow the instructions for correcting that data item.

It is possible that this page will report a problem where no problem exists. If you believe that this has happened, then please contact me (address at the bottom of this page) and explain clearly why you think this page is in error. Note that any changes that you make may take a few days to show up here, so please give it a week before commenting.

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For development purposes only
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For development purposes only
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For development purposes only
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For development purposes only
Sorry, we have no imagery here.
For development purposes only
Sorry, we have no imagery here.
MOPC2
FW2891
CW5872
N0HBJ
EW6300
EW1644
CW1428
DW5967
FW3587
KO4IEJ
K4VI
CW5478
FW4113
K9NRG
FW0523
W1CAT
GW0143
KB0OZP
EW7346
N0MQJ
CW6135
EW3604
GW1031
GW1216
FW9987
FW8182
EW6434
EW5552
K0QMS
EW5825
EW4277
FW8680
FW1929
WD4IXD-WX
GW1550
W0BQ
GW0539
W4IFI
FW7875
N0PSJ
EW1690
EW9030
GW3601
DW7955
GW0413
GW3678
W9KOZ-7
EW0538
CW9665
W9KOZ-5
K0VXP-1
KE0YON
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Registered Location

Latitude: 37° 58' 0" N (deg min sec), 37.9666° (decimal), 3758.00N (LORAN)
Longitude: 106° 33' 30" W (deg min sec), -106.5584° (decimal), 10633.50W (LORAN)
Elevation: 3395 metres (11139 feet) -- validated against 3383 metres (11099 feet) from Google
Location: Moon Pass, CO, United States Of America
County: Saguache, CO
Data provider: SNOTEL
Forecast Office: Pueblo (PUB)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'MOPC2' marker) will display the latitude/longitude of that point.

If the displayed location (or elevation) of the weather observing location is incorrect, please drag the marker to the right location (or click in the right location), and then send the updated information. Please note that we are trying to spot either the Stevenson Screen (or equivalent) or the location where the barometric readings are taken.

Can you help with location quality? Please indicate if the marker on the map points at the weather instrument cluster:

The location information for this site was gathered from 2 data sources. The source which most closely matches the consensus is chosen. Many of these sources only report the location to the nearest minute (or hundredth of degree). This can lead to the marker being placed noticeably incorrectly. Please see Discussion of Location Errors for more information. Show location history.

The station (or view from the station) is shown here. You can choose the view direction to see the surroundings. Other information (and somewhat larger images) can be found by clicking on the picture.

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs. (There may be some)

Data Status

Over the last 28 days, no data was seen on the following dates: 2025-02-18 to 2025-02-20, 2025-03-03 to 2025-03-15.

Recent observations from this weather station can be downloaded as a CSV file suitable for importing into various spreadsheet programs: last 7 days, last 14 days, last 28 days, last 56 days. This data can also be linked directly from Excel using a Web Query. The main link goes to the page with the data on it, and the IQY link is the Web Query that will access it: last 7 days (IQY: last 7 days), last 14 days (IQY: last 14 days), last 28 days (IQY: last 28 days), last 56 days (IQY: last 56 days).

All the means and standard deviations shown below are from the last 28 days. Change analysis period to Last 3 days  Last 7 days  Last 14 days  Last 8 weeks  Last 13 weeks  Last 26 weeks  Last 39 weeks  Last 52 weeks  

Temperature

  24 hours  Day time  Night time
Average temperature error-1.8 °F0.6 °F-3.4 °F
Error standard deviation4.0 °F4.1 °F2.8 °F
Worst average temperature error-4.1 °F-2.8 °F-6.9 °F
Worst standard deviation5.5 °F5.6 °F2.7 °F

NOTE: If the error above is POSITIVE, then it means that the analysis temperature is HIGHER than the reported temperature. This means that your sensor is reading COLDER than expected.

 
 
MADIS
rating
MADIS rating 91% QC OK
 

Latest daily graph:

Latest daily graph

It appears that your station is sited near the edge of a large urban area. This causes the analysis values to be lowered than expected as the quality control system does not take the location of the urban area into account.

Neighboring Stations

This is a list of stations that are close to this station. Note that this is not the list of stations that are used in the data analysis. That list of stations is known only to MADIS. You can see all the stations at MADIS Data Display. Your station should be in the middle of the display. If you think that the analysis is incorrect, then maybe one of the close stations has failed.

You can look at those for comparison purposes. The average difference between your station and each station below is listed as well. This may allow you to detect local stations which are erroneous. You can also use these numbers to adjust your instruments -- especially if a number of ASOS stations have similar differences to your station. Also, try increasing the analysis period to more than the default 28 days. The difference is only given if both stations report reasonably often during each day. Some stations only report every 6 hours, and this makes the average of less interest. In this case, the average is not displayed. The values reported are the differences between this station and the neighboring station. I.e. if the difference is positive, then this station is reading higher than the neighboring station. Since this station has not been reporting continuously during the analysis period (it missed 16 days out of 28), the offsets below may not be accurate.

You can also subscribe to an RSS feed to tell you when new stations come online in this area. Choose either within 100 miles or 250 miles . For stations covered by your Forecast Office: Pueblo (PUB) .

SiteDistanceLocationBarometerTemperatureDewpoint
N0HBJ29.7 milesSouthwest Creede, CO, US (lat 37.7400°, long -107.0200°, altitude 2720 metres) 13.2°F
EW630041.0 milesWest Lake City, CO, US (lat 38.0097°, long -107.3085°, altitude 2718 metres) 14.8°F
CW142845.1 milesNorthwest Gunnison, CO, US (lat 38.5497°, long -106.9293°, altitude 2350 metres) 20.0°F
KO4IEJ54.8 milesEast Westcliffe, CO, US (lat 38.1162°, long -105.5697°, altitude 2596 metres) 9.7°F
GW014365.3 milesEast Westcliffe, CO, US (lat 38.0057°, long -105.3610°, altitude 2532 metres) 12.5°F
EW734668.4 milesEast Westcliffe, CO, US (lat 38.0587°, long -105.3092°, altitude 2732 metres) 5.7°F
CW613574.8 milesSouthwest Bayfield, CO, US (lat 37.2117°, long -107.5362°, altitude 2126 metres) 16.1°F
FW998779.9 milesNortheast Guffey, CO, US (lat 38.7545°, long -105.4803°, altitude 2814 metres) 8.5°F
EW582584.9 milesNorthwest MONTROSE, CO, US (lat 38.4888°, long -107.9724°, altitude 1776 metres) 19.3°F
EW427786.8 milesSouthwest Durango, CO, US (lat 37.2755°, long -107.8800°, altitude 1990 metres) 16.2°F

The sites marked above thus did not report continuously during the analysis period, so the offsets may (probably will) not be accurate.

Quality Control Notes

This page reports on the quality control checks performed by MADIS. The green check mark and red cross are chosen based on the average performance during the analysis period (which is selectable above). The red cross can appear even if MADIS reports that all observations pass the MADIS QC checks.

The 'MADIS rating' reports on the percentage of observations that pass the MADIS checks. You should aim for two thumbs up!

Location Formats

The location is shown in three different formats. Each of these is used in some software, and is shown on some websites.

Degrees Minutes Seconds: VWS/VWSAPRS, WeatherLink 5.5, WeatherLink (5.2-5.4), WeatherView (Linux)

Decimal degrees: FreeWX, WeatherView32 (PC application)

LORAN: WeatherDisplay, WUHU, Henriksen WServer

Resources

CWOP Home: This describes the whole CWOP program and has a large amount of useful information.

CWOP Siting Guide (PDF): This is a guide to siting and operating a CWOP station. This is a must-read document.

Another CWOP Guide (PDF): This is another guide to siting and operating a CWOP station. This is a must-read document.

Urban Siting and Operations (PDF): This is a guide to siting and operating a CWOP station in an urban environment.

APRS WX Message format: This describes the actual format of the messages transmitted that carry WX information.

WXQC Mailing List: This is a mailing list where data quality issues are discussed. Assistance with software configuration can often be found here.

Topo Map Reading Guide: How to read USGS topographic maps, with a good section on reading contours.

Geographically nearby web pages: Use Geourl to find web pages that deal with locations geographically close to this site.


Overall website comments, problems etc to Philip Gladstone
Page layout last modified Sunday, 28 February 2016
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