CWOP Information for EW2905 (E2905) in Castel San Niccolo, IT

The following information is known about EW2905. 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: 43° 44' 10" N (deg min sec), 43.7360° (decimal), 4344.16N (LORAN)
Longitude: 11° 41' 44" E (deg min sec), 11.6957° (decimal), 01141.74E (LORAN)
Elevation: 403 metres (1322 feet) -- validated against 389 metres (1276 feet) from Geonames
Location: Castel San Niccolo, IT
Weather station Manager/Operator: Marco
Unknown station type/software: /A=1292.65096 Home Assistant 2024.6.3 - cwop-sender.py

If you know what sort of station equipment is in use at this site, then please send email to Philip Gladstone with this information. The email address can be found at the bottom of this page.

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'EW2905' 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.

NOTE: The Registered Location is the location that the station owner provided when they signed up with CWOP. Show location history.

Date	Latitude	Longitude	Elevation	Name
2013-05-31	43.7360	11.6953	403	Castel San Niccola, IT
2013-06-03	43.7360	11.6953	403	Castel San Niccolo', IT
2023-01-10	43.7360	11.6957	403	Castel San Niccolo', IT

The position of the clicked point on the map is:

The position of the 'EW2905' marker on the map is:

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

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 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: 2024-11-20.

A reasonably recent weather report (1 days ago) received from this station was
EW2905>APRS,TCPIP*,qAC,FOURTH:@270643z4344.16N/01141.74E_247/002g002t069r000p000P...h78b...../A=1292.65096 Home Assistant 2024.6.3 - cwop-sender.py

The problem with missing data may be that the station software is configured to send data to the old servers. If you are the station operator, then please change the configuration to send data to cwop.aprs.net on port 14580. See http://www.wxqa.com/servers2use.html for the full story.

The last 24 hours of weather data can be viewed at Findu. This page also provides access to the raw APRS packets and various other APRS related tools.

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

By default, the longer analysis periods display graphs that show the long term performance of this station. The graphs show the mean error over time, and include error bars which are one standard deviation long. This provides an easy way to see if there are any underlying trends in the data. Note that a 'step' in your data does not (necessarily) mean that something happened to your station. It could mean that another station came online in the local area, and they are changing the analysis.

The analysis is performed by MADIS. This web page just provides visualization of the data that MADIS produces. There are a number of very knowledgeable people who participate on the WXQC Mailing List who do understand exactly how MADIS works and can resolve issues when the analysis seems to be broken. However, in most cases, the station readings are at fault, or the software that is transmitting the data to CWOP. Please check those paths first.

You can also see how this station compares with other stations.

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. 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 1 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 .

Site	Distance		Location
GW0996	11.5 miles	Southwest	Arezzo, IT (lat 43.6400°, long 11.5070°, altitude 153 metres)
EW1052	17.8 miles	West	Firenze, IT (lat 43.7077°, long 11.3422°, altitude 285 metres)
GW3832	25.5 miles	West	SESTI FIORENTINO, TO (lat 43.8253°, long 11.1998°, altitude 65 metres)
DW8785	28.0 miles	North	Monteromano, IT (lat 44.1385°, long 11.6358°, altitude 765 metres)
EW1917	31.5 miles	Northwest	Sofignano Vaiano (PO), IT (lat 43.9612°, long 11.1472°, altitude 293 metres)
FW4832	32.8 miles	West	Poggio A Caiano, IT (lat 43.8197°, long 11.0502°, altitude 31 metres)
IK5NLA	33.6 miles	Northwest	Vaiano, IT (lat 43.9667°, long 11.1022°, altitude 520 metres)
EW1919	36.3 miles	Northwest	Montepiano (PO), IT (lat 44.0913°, long 11.1605°, altitude 700 metres)
FW7315	36.3 miles	Northeast	Roncofreddo, IT (lat 44.0497°, long 12.2803°, altitude 329 metres)
IZ5ILJ	37.0 miles	Southwest	Colle di Val d'Elsa, IT (lat 43.4195°, long 11.1005°, altitude 244 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
Questions for this weather station owner/operator to Marco
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