MesoWest Information for COPW1 in Corral Pass, WA, United States Of America

The following information is known about COPW1. 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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Registered Location

Latitude: 47° 1' 7" N (deg min sec), 47.0187° (decimal), 4701.12N (LORAN)
Longitude: 121° 27' 53" W (deg min sec), -121.4646° (decimal), 12127.88W (LORAN)
Elevation: 1768 metres (5800 feet) -- validated against 1769 metres (5802 feet) from Google
Location: Corral Pass, WA, United States Of America
County: Pierce, WA
Data provider: SNOTEL
Forecast Office: Seattle/Tacoma (SEW)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'COPW1' 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.

Neighboring Stations

This is a list of stations that are close to this station.

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: Seattle/Tacoma (SEW) .

GRN625.7 milesSouth Crystal Green Valley, WA, United States Of America (lat 46.9394°, long -121.4943°, altitude 1898 metres) (data present)
CMT696.0 milesSouth Crystal Summit, WA, United States Of America (lat 46.9350°, long -121.5004°, altitude 2081 metres) (data present)
CMT446.2 milesSouth Crystal Base, WA, United States Of America (lat 46.9299°, long -121.4747°, altitude 1392 metres) (data present)
HKSW16.7 milesNorthwest Huckleberry Creek, WA, United States Of America (lat 47.0656°, long -121.5878°, altitude 685 metres) (data present)
MRSW17.9 milesSouth Morse Lake, WA, United States Of America (lat 46.9059°, long -121.4827°, altitude 1648 metres) (data present)
CHP629.9 milesSouth Chinook Pass Summit, WA, United States Of America (lat 46.8805°, long -121.5196°, altitude 1902 metres) (data present)
SAWW110.0 milesNorth Sawmill Ridge, WA, United States Of America (lat 47.1599°, long -121.4217°, altitude 1414 metres) (data present)
CHP5510.4 milesSouth Chinook Pass Base, WA, United States Of America (lat 46.8733°, long -121.5174°, altitude 1676 metres) (data present)
CAYW110.8 milesSouth Cayuse Pass, WA, United States Of America (lat 46.8695°, long -121.5343°, altitude 1597 metres) (data present)
SUN6411.1 milesSouthwest Sunrise Base, WA, United States Of America (lat 46.9144°, long -121.6442°, altitude 1953 metres) (data present)

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


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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