CWOP Information for CW6998 (C6998) in Malone, NY US

The following information is known about CW6998. 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: 44° 51' 6" N (deg min sec), 44.8517° (decimal), 4451.10N (LORAN)
Longitude: 74° 17' 23" W (deg min sec), -74.2897° (decimal), 07417.38W (LORAN)
Elevation: 220 meters (721 feet) -- validated against 222 meters (730 feet) from NED Contiguous U. S. 1/3E arc second elevation data
Location: Malone, NY US
County: Franklin, NY
Forecast Office: Burlington (BTV)
Station type/software: FreeWX

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'CW6998' 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.

There are no photographs of the station. If you are the site operator and have pictures of this location, then please upload them to Flickr (detailed instructions) and add the two tags 'wxtagged' and 'wx:cwop=c6998'. If the picture is of the weather station itself, then please also add the 'wx:station' tag as well.

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs.

Data Status

Over the last 28 days, no data was seen on the following dates: 2008-08-02 to 2008-08-24, 2008-08-26 to 2008-08-28.

A reasonably recent weather report received from this station was
CW6998>APRS,TCPXX*,qAX,CWOP-2:@251159z4451.10N/07417.38W_250/003g000t061r000p000P000h62FWX

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  

Barometer

Average barometer error: 28.7 milliBars
Error standard deviation: 0.4 milliBars
Worst daily average barometer error: 28.7 milliBars
Mean error value of 28.7 exceeds limit of 2.0
 
MADIS
rating
MADIS rating 0% QC OK
Sensor fails L2 statistical
consistency check.
 

Latest daily graph:

Latest daily graph

There is a significant mean error in your barometer readings. You may need to calibrate your barometer. Since your readings are low, it is possible that your software is not adjusting the reading for elevation, or that your station altitude has been entered incorrectly into your software.

Temperature

  24 hours  Day time  Night time
Average temperature error-1.4 °F-1.4 °F-
Error standard deviation1.2 °F1.2 °F-

NOTE: If the error above is POSITIVE, then it means that the analysis temperature is HIGHER than the reported temperature. This means that your sensor is reading COLDER than expected.

 
 
MADIS
rating
MADIS rating 100% QC OK
 

Latest daily graph:

Latest daily graph

Not enough data has been received to perform a day / night analysis to check for various types of shielding problems. Please wait a few days, and then try again.

Dewpoint -- or switch to Relative Humidity

  24 hours  Day time  Night time
Average dewpoint error9.6 °F9.6 °F-
Error standard deviation1.6 °F1.6 °F-
Worst average dewpoint error-1.0 °F-1.0 °F-1.0 °F
Worst standard deviation0.0 °F0.0 °F0.0 °F

NOTE: If the error above is POSITIVE, then it means that the analysis temperature is HIGHER than the reported temperature. This means that your sensor is reading COLDER than expected.

  Mean error (9.6) out of range, but low standard deviation (1.6)
 
MADIS
rating
MADIS rating 14% QC OK
 

Latest daily graph:

Latest daily graph

There is a significant mean error in your dewpoint readings. You may need to calibrate your dewpoint sensor. Adjust your sensor to read 9.6 °F higher. Not enough data has been received to perform a day / night analysis to check for various types of shielding problems. Please wait a few days, and then try again.

Neighboring Stations

This is a list of stations that are close to this station. Note that this is not the list of stations that are used in the data analysis. That list of stations is known only to MADIS. You can see all the stations at MADIS Data Display. Your station should be in the middle of the display. If you think that the analysis is incorrect, then maybe one of the close stations has failed.

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. Since this station has not been reporting continuously during the analysis period (it missed 26 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: Burlington (BTV) .

SiteDistanceLocationBarometerTemperatureDewpoint
CWBZ18.3 milesNorth St.anicet, QB (lat 45.1167°, long -74.2833°, altitude 49 meters)
KMSS27.9 milesWest Massena/richards, NY (lat 44.9358°, long -74.8455°, altitude 65 meters)
W2NVW-330.0 milesWest Norfolk, NY US (lat 44.8538°, long -74.9018°, altitude 77 meters)
KSLK32.5 milesSouth Saranac Lk/adirn, NY (lat 44.3853°, long -74.2062°, altitude 506 meters)
CW641934.0 milesWest Norwood, NY US (lat 44.7667°, long -74.9730°, altitude 125 meters)
VE2GVB36.0 milesNortheast Ste-Martine, PQ CA (lat 45.2432°, long -73.8055°, altitude 40 meters)
CWIT37.5 milesNortheast St. Clothilde, QB (lat 45.1667°, long -73.6667°, altitude 52 meters)
KPBG42.7 milesEast Plattsburg Afb, NY (lat 44.6509°, long -73.4681°, altitude 72 meters)
7162643.0 milesNortheast Montreal/mirabel, CA (lat 45.4200°, long -73.9300°, altitude 63 meters)
CWVQ43.1 milesNortheast Ste. Ane D Belvle,qb (lat 45.4167°, long -73.9167°, altitude 39 meters)

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

Quality Control Notes

This page reports on the quality control checks performed by MADIS. The green check mark and red cross are chosen based on the average performance during the analysis period (which is selectable above). The red cross can appear even if MADIS reports that all observations pass the MADIS QC checks.

The 'MADIS rating' reports on the percentage of observations that pass the MADIS checks. You should aim for two thumbs up!

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.


Website comments, problems etc to
Philip Gladstone

Last modified Saturday, 12 July 2008
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