CWOP Information for FW4271 (F4271) in Twin Peaks, CA, US

The following information is known about FW4271. 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.

Registered Location

Latitude: 34° 15' 1" N (deg min sec), 34.2503° (decimal), 3415.02N (LORAN)
Longitude: 117° 13' 58" W (deg min sec), -117.2328° (decimal), 11713.97W (LORAN)
Elevation: 1730 metres (5676 feet) -- validated against 1726 metres (5663 feet) from Geonames
Location: Twin Peaks, CA, US
County: San Bernardino, CA
Forecast Offices: Las Vegas (VEF), San Diego (SGX), Phoenix (PSR)
Weather station Manager/Operator: Rick
Station type/software: Davis Vantage Pro 2/Vue with Weatherlink-IP

The site location should be at the mark shown -- or very close.

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
2021-07-06	34.2503	-117.2328	1724	FW4271 Twin Peaks, CA, United States Of America
2023-07-18	34.2503	-117.2328	1730	Twin Peaks, CA, US

The position of the clicked point on the map is:

The position of the 'FW4271' 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 are the site operator and have pictures of this location, then please email them to f4271@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 f4271@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:cwop=f4271 -- 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)

APRS Status

No data has been seen recently. Please check at findu.com to see if your data is being seen there.

Weather data was seen at findu.com around 26 days ago on 2025-01-09.

A recently received report from this station was

FW4271>APRS,TCPXX*,qAX,CWOP-3:@091745z3415.02N/11713.97W_.../...g...t...r...p...P000h..b10121L....DsIP

This report was seems to be a valid APRS record, but not a valid weather record.

If this is not a weather report, then your station may not be transmitting weather reports, and this may be the problem. Check the recent reports at findu.com to see if any look like weather reports.

A reasonably recent weather report (26 days ago) received from this station was
FW4271>APRS,TCPXX*,qAX,CWOP-3:@091745z3415.02N/11713.97W_.../...g...t...r...p...P000h..b10121L....DsIP

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: Las Vegas (VEF),San Diego (SGX),Phoenix (PSR) .

Site	Distance		Location
FW0025	3.3 miles	East	Lake Arrowhead South, CA, US (lat 34.2370°, long -117.1778°, altitude 1772 metres) (data present)
EW3127	4.7 miles	West	Paivika Ridge, CA, US (lat 34.2365°, long -117.3142°, altitude 1613 metres) (data present)
FW4845	7.3 miles	South	San Bernardino, CA, US (lat 34.1453°, long -117.2360°, altitude 408 metres) (data present)
FW6602	8.7 miles	Southeast	Running Springs, CA, US (lat 34.1935°, long -117.0968°, altitude 1878 metres) (data present)
EW3172	8.9 miles	Southeast	Running Springs, CA, US (lat 34.1913°, long -117.0945°, altitude 1896 metres) (data present)
EW3060	11.9 miles	North	Hesperia, CA, US (lat 34.4197°, long -117.2653°, altitude 934 metres) (data present)
KB6HGN	14.5 miles	Southwest	Rialto, CA, US (lat 34.0800°, long -117.3797°, altitude 343 metres) (data present)
EW6473	15.1 miles	Southeast	Mentone, CA, US (lat 34.0728°, long -117.0792°, altitude 692 metres) (data present)
FW9244	18.1 miles	South	Moreno Valley, CA, US (lat 33.9907°, long -117.2668°, altitude 610 metres) (data present)
FW3178	18.1 miles	Northwest	Victorville Southwest, CA, US (lat 34.4882°, long -117.3647°, altitude 962 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

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 Rick
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