Synop Information for KGKN (70271) in Gulkana, Gulkana Airport, AK, United States

The following information is known about KGKN. 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: 62° 9' 32" N (deg min sec), 62.1590° (decimal), 6209.54N (LORAN)
Longitude: 145° 27' 32" W (deg min sec), -145.4590° (decimal), 14527.54W (LORAN)
Elevation: 481 metres (1578 feet) -- validated against 480 metres (1576 feet) from NED 1/9th arc-second: East Central Alaska
WMO Id: 70271
Location: Gulkana, Gulkana Airport, AK, United States
Borough: Valdez-Cordova, AK
Forecast Offices: Anchorage (AFC), Fairbanks (AFG), Juneau (AJK)
Automated weather phone (ASOS): 907-822-3707

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'KGKN' 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 10 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.

Date	Latitude	Longitude	Elevation	Name
2007-11-28	62.1500	-145.4500	481	Gulkana, US
2007-11-28	62.1500	-145.4500	481	Gulkana Arpt, AK
2007-11-29	62.1600	-145.4500	481	Gulkana Arpt, AK
2007-11-29	62.1500	-145.4500	481	Gulkana/intl. Fld., US
2008-01-03	62.1600	-145.4500	481	Gulkana Arpt, AK, United States
2009-09-08	62.1603	-145.4569	481	Gulkana Arpt, AK, United States
2009-10-14	62.1600	-145.4580	481	Gulkana, Gulkana Airport
2009-12-30	62.1500	-145.4500	481	Gulkana Arpt, AK, United States
2010-10-01	62.1600	-145.4580	478	Gulkana Arpt, AK, United States
2011-01-23	62.1603	-145.4569	478	Gulkana Airport, AK, United States of America
2011-01-24	62.1600	-145.4580	481	Gulkana Arpt, AK, United States
2011-06-19	62.1549	-145.4543	481	Gulkana, Gulkana Airport, AK, United States
2011-06-20	62.1603	-145.4575	481	Gulkana, Gulkana Airport, AK, United States
2012-02-20	62.1603	-145.4575	481	Gulkana, Gulkana Airport, AK, United States
2012-03-19	62.1590	-145.4590	481	Gulkana, Gulkana Airport, AK, United States

The position of the clicked point on the map is:

The position of the 'KGKN' marker on the map is:

Latitude: dummy (deg min sec), dummy (decimal), dummy (LORAN)
Longitude: dummy (deg min sec), dummy (decimal), dummy (LORAN)

There are no photographs of the station. If you have pictures of this location, then please upload them to Flickr (detailed instructions) and add the two tags 'wxtagged' and 'wx:metar=kgkn'. If the picture is of the weather station itself, then please also add the 'wx:station' tag as well. Please geotag your images, and those coordinates may be used in the estimation of the location of this site.

Flickr Upload

Uploading picktures to flickr.com is easy. If you do not have a free flickr account, then you need to create one. Just go to flickr and click the 'Create your account' button. You can use a google account if you have one.

Once logged in, click on 'Upload Photos & Video'. Next click on 'Choose Photos and Videos', and walk through the process to upload your pictures. They will automatically be resized appropriately.

After the upload is complete, it will ask you to add titles, tags and descriptions. The key step is to add tags as follows:

wxtagged -- this indicates that this picture is of a weather station or surrounding area
wx:metar=kgkn -- this indicates the site of which this is a picture
wxstation -- add this tag if the picture includes the weather station.

If you had to create your account, then you must upload at least five pictures. It will also take longer for your pictures to appear (a week or so). Otherwise, the pictures should appear after 24-48 hours.

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs. (There are some) (There are none) (There may be some) (Automatically loaded if any)

Data Status

Data has been seen on each of the last 27 analyzed days.

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

A recently received weather report from this station was

Neighboring Stations

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

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: Anchorage (AFC),Fairbanks (AFG),Juneau (AJK) .

Site	Distance		Location
PAGK	0.0 miles	South	GULKANA AIRPORT, AK, United States (lat 62.1591°, long -145.4588°, altitude 481 metres)
CW3684	10.1 miles	Northeast	Gulkana, AK US (lat 62.2931°, long -145.3353°, altitude 503 metres)
PAZK	57.5 miles	West	Eureka, Skelton Airport, AK, United States (lat 61.9333°, long -147.1667°, altitude 1002 metres)
PAVD	75.5 miles	South	Valdez 2, AK, United States (lat 61.1340°, long -146.2480°, altitude 37 metres)
VWSA2	76.8 miles	Southwest	Valdez, AK US (lat 61.1361°, long -146.3694°, altitude 15 metres)
DW9260	76.9 miles	Southwest	Valdez, AK US (lat 61.1337°, long -146.3620°, altitude 15 metres)
PABN	81.0 miles	East	Nabesna, Devil Mountain Lodge, AK, United States (lat 62.4017°, long -142.9953°, altitude 877 metres)
PAMX	96.6 miles	Southeast	McCarthy, AK, United States (lat 61.4333°, long -142.9333°, altitude 455 metres)
CW4591	111.5 miles	Northeast	Tok, AK US (lat 63.3158°, long -143.0056°, altitude 505 metres)
CBHA2	112.3 miles	South	Cordova, AK US (lat 60.5419°, long -145.7664°, altitude 4 metres)

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

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

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 Tuesday, 23 April 2013
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