MesoWest Information for MD108 in US-40 W at MD-132, MD, United States Of America (site inactive)

The following information is known about MD108. 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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	MD108

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Registered Location

Latitude: 39° 30' 34" N (deg min sec), 39.5095° (decimal), 3930.57N (LORAN)
Longitude: 76° 9' 49" W (deg min sec), -76.1637° (decimal), 07609.82W (LORAN)
Elevation: 25 metres (82 feet) -- validated against 29 metres (95 feet) from Geonames
Location: US-40 W at MD-132, MD, United States Of America
County: Harford, MD
Data provider: MDDOT
Forecast Office: Baltimore/Washington (LWX)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'MD108' 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 1 data source. 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.

The position of the clicked point on the map is:

The position of the 'MD108' 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 md108@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 md108@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:id=md108 -- 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

Over the last 28 days, no data was seen on the following dates: 2025-02-18 to 2025-03-16.

All the means and standard deviations shown below are from the last 28 days. Change analysis period to

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. 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 27 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: Baltimore/Washington (LWX) .

Site	Distance		Location
GW1129	3.6 miles	Northwest	ABERDEEN, MD, US (lat 39.5328°, long -76.2250°, altitude 107 metres)
FW5836	5.2 miles	Southwest	Belcamp, MD, US (lat 39.4783°, long -76.2525°, altitude 29 metres)
K2EJ-13	7.5 miles	West	ABINGDON, MD, US (lat 39.4947°, long -76.3035°, altitude 58 metres)
FW9110	8.0 miles	West	Bel Air, MD, US (lat 39.5340°, long -76.3102°, altitude 101 metres)
EW1762	8.8 miles	Southwest	Edgewood, MD, US (lat 39.4307°, long -76.2928°, altitude 10 metres)
KC3ECO	9.3 miles	Northwest	BEL AIR, MD, US (lat 39.5620°, long -76.3240°, altitude 105 metres)
N3DOU-1	11.7 miles	Southeast	Still Pond, MD, US (lat 39.3595°, long -76.0607°, altitude 10 metres)
FW9082	17.4 miles	Southeast	Cecilton, MD, US (lat 39.4100°, long -75.8640°, altitude 22 metres)
EW3643	17.8 miles	Northeast	Elkton, MD, US (lat 39.6512°, long -75.8845°, altitude 75 metres)
GW0884	19.8 miles	Southwest	Baltimore, MD, US (lat 39.2903°, long -76.4007°, altitude 8 metres)

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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