METAR Information for LEMM in Madrid Barajas, M, Spain (site inactive)

The following information is known about LEMM. 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: 40° 30' 0" N (deg min sec), 40.5000° (decimal), 4030.00N (LORAN)
Longitude: 3° 34' 48" W (deg min sec), -3.5800° (decimal), 00334.80W (LORAN)
Elevation: 633 metres (2077 feet)
Location: Madrid Barajas, M, Spain

The elevation does not correspond with the estimated elevation (606 metres (1988 feet) -- source Google) at that point. Either the location or the elevation (or both) are almost certain to be incorrect. Please use the 'send the updated information' link below to update the location or elevation.

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.

The best way to get elevation is to consult a topographic map. Make sure that you know whether the contours are marked in feet or metres. Note that handheld GPS receivers do not provide readings of elevation accurate to better than 10-20 metres (technical discussion). If you do not have access to a topographic map, then a GPS receiver is acceptable, but make sure that it is operating in 3D mode and let it average the position for at least five minutes.

For more information on reading maps, please see the Topo Map Reading Guide -- in particular it discusses how to read contours.

The location information for this site was gathered from 3 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
2009-05-26	40.4800	-3.5800	633	Madrid Weather Cent, SP
2009-07-08	40.4800	-3.5800	633	Madrid Weather Cent, Spain
2009-12-31	40.4800	-3.5800	633	Madrid Weather Cent, Spain
2010-03-19	40.5000	-3.5833	633	Madrid/Barajas, Spain
2010-08-29	40.5000	-3.5833	633	Madrid Barajas, M, Spain, Spain
2017-03-06	40.5000	-3.5833	633	Madrid Barajas, M, Spain
2017-12-11	40.5000	-3.5800	633	Madrid Barajas, M, Spain

Source	Latitude	Longitude	Elevation	Place	Miles	Map
METARTable	40.5000	-3.5800	633	Madrid Barajas, M, Spain [LEMM]	0.0	Center
Master Location Identifier DB	40.5000	-3.5833	633	Madrid Barajas, M, Spain [LEMM]	0.2	Center	Include
ISH	40.4800	-3.5800	633	Madrid Weather Center, Spain [LEMM]	1.2	Center	Include

The position of the clicked point on the map is:

The position of the 'LEMM' 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 email them to lemm@photo.gladstonefamily.net.

Picture Submission

There are two ways to submit pictures. If you are a flickr user, then see the flickr section below. Otherwise you can simply email the pictures as follows:

Email the pictures to lemm@photo.gladstonefamily.net.
If you use a smartphone that embeds the GPS coordinates in the pictures, then you can send any picture of a weather station to gps@photo.gladstonefamily.net and it will be associated with the correct station automatically.

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=lemm -- 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)

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 .

Site	Distance		Location
DW9945	7.0 miles	Northeast	Daganzo de Arriba, ES (lat 40.5475°, long -3.4617°, altitude 688 metres) (data present)
GW3643	7.1 miles	West	MADRID, SP (lat 40.4607°, long -3.7057°, altitude 700 metres) (data present)
DW8661	7.4 miles	West	Madrid, ES (lat 40.4785°, long -3.7182°, altitude 665 metres) (data present)
EA4GDE-1	7.8 miles	Southwest	Madrid, ES (lat 40.4320°, long -3.6975°, altitude 679 metres) (data present)
EA4TN	10.4 miles	South	Vaciamadrid, ES (lat 40.3562°, long -3.5202°, altitude 620 metres) (data present)
CW1784	15.4 miles	Northeast	El Casar, ES (lat 40.6990°, long -3.4492°, altitude 752 metres) (data present)
DW4212	26.5 miles	North	La Cabrera, ES (lat 40.8830°, long -3.5867°, altitude 1054 metres) (data present)
GW0118	62.9 miles	Northeast	Alcala De Henares, ES (lat 41.0662°, long -2.6413°, altitude 1029 metres) (data present)
DW7160	63.1 miles	West	La Colilla, ES (lat 40.6447°, long -4.7665°, altitude 1155 metres) (data present)
DW8501	92.0 miles	Northeast	Madrid, ES (lat 41.0999°, long -2.0118°, altitude 985 metres) (data present)

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 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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