Synop Information for FMMO (67073) in Maintirano, KM

The following information is known about FMMO. 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: 18° 3' 0" S (deg min sec), -18.0500° (decimal), 1803.00S (LORAN)
Longitude: 44° 2' 0" E (deg min sec), 44.0333° (decimal), 04402.00E (LORAN)
Elevation: 23 meters (75 feet) -- validated against 26 meters (85 feet) from SRTM.C_AUS_3
WMO Id: 67073
Location: Maintirano, KM

The site coordinates appear to be of low precision, and the station may be anywhere within the marked area. Clicking within the map area (or you can drag the 'FMMO' 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.

The location information for this site was gathered from 4 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.

There are no photographs of the station. If you have pictures of this location, then please upload them to Flickr (detailed instructions) and add the two tags 'wxtagged' and 'wx:metar=fmmo'. If the picture is of the weather station itself, then please also add the 'wx:station' tag as well. Please geotag your images, and those coordinates may be used in the estimation of the location of this site.

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: 2008-11-08 to 2008-11-09, 2008-11-12 to 2008-11-17, 2008-11-20 to 2008-11-24, 2008-11-28 to 2008-11-30, 2008-12-04.

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  

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. Since this station has not been reporting continuously during the analysis period (it missed 17 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 .

SiteDistanceLocationBarometerTemperatureDewpoint
61970111.0 milesNorthwest Ile Juan De Nova, Ocean Islands (lat -17.0500°, long 42.7167°, altitude 10 meters)
FMNM225.2 milesNortheast Majunga, Madagascar (lat -15.6671°, long 46.3518°, altitude 18 meters)
FMMI231.9 milesEast Antananarivo / Ivato, Madagascar (lat -18.7969°, long 47.4788°, altitude 1276 meters)
FQLU305.3 milesNorthwest Lumbo, MZ (lat -15.0331°, long 40.6717°, altitude 11 meters)
FMSO323.6 milesSouth Ranohira, KM (lat -22.5500°, long 45.4000°, altitude 824 meters)
FMMT352.4 milesEast Tamatave, Madagascar (lat -18.1095°, long 49.3925°, altitude 6 meters)
FMCZ372.2 milesNorth Dzaoudzi / Pamanzi Mayo, Comoros (lat -12.8047°, long 45.2811°, altitude 7 meters)
FQNP375.0 milesNorthwest Nampula, Mozambique (lat -15.1056°, long 39.2818°, altitude 441 meters)
61972381.3 milesSouthwest Ile Europa, Ocean Islands (lat -22.3333°, long 40.3333°, altitude 6 meters)
FMMS387.0 milesEast Sainte-marie Aerodrome, Madagascar (lat -17.0939°, long 49.8158°, altitude 3 meters)

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 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, 29 November 2008
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