CWOP Information for GW5185 (G5185) in LAKELAND, FL, US

The following information is known about GW5185. 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.

For development purposes only
Sorry, we have no imagery here.
For development purposes only
Sorry, we have no imagery here.
For development purposes only
Sorry, we have no imagery here.
For development purposes only
Sorry, we have no imagery here.
GW5185
WC4PEM-8
DW5259
EW8848
GW5211
WC4PEM-9
FW0669
FW9119
FW5713
FW8487
K3SV
KA1SNA
WC4PEM-1
KQ4KX
EW1377
GW5086
K4FB
FW6471
CW2884
FW9900
FW8282
WC4PEM
DW4946
GW4888
EW8045
EW1798
WC4PEM-14
EW2910
KB1ATL
DW5167
GW3909
CW3367
EW8132
KJ4FGI
WC4PEM-10
GW0302
GW4636
GW5437
KQ4GHV
FW2300
FW6170
EW5226
WC4PEM-15
FW0774
CW4224
N4DLW-3
FW8106
DW8107
KC2BRB-1
NI4CE-11
FW2402
DW0479
GW0174
DW9989
DW1113
FW6368
FW8625
GW2392
GW5391
GW3543
EW5021
FW3299
EW1632
WX2P-13
DW5033
FW4841
FW4511
GW2574
WA4EMN
WC4PEM-12
GW4387
CW6573
EW8085
FW8529
FW8505
KF4KUL
GW4224
GW4583
GW4846
GW2283
KG4YZY-1
FW4209
CW9863
FW4573
EW5230
FW4703
CW5072
GW3072
EW9788
FW8522
DW9294
CW1721
NI4CE-14
FW8571
CW3793
EW5225
GW3309
KF4WSW-13
CW0927
GW3617
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Registered Location

Latitude: 28° 11' 7" N (deg min sec), 28.1852° (decimal), 2811.11N (LORAN)
Longitude: 82° 0' 4" W (deg min sec), -82.0010° (decimal), 08200.06W (LORAN)
Elevation: 37 metres (121 feet) -- validated against 37 metres (122 feet) from EPQS - USGS National Map
Location: LAKELAND, FL, US
County: Polk, FL
Forecast Office: Tampa Bay Area (TBW)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'GW5185' 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.

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 none)

Data Status

Data has been seen on each of the last 26 analyzed days.

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  

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.

Barometer

Average barometer error: -0.7 milliBars
Error standard deviation: 0.4 milliBars

 
MADIS
rating
MADIS rating 100% QC OK
 

Latest daily graph:

Latest daily graph

These values are within range, so your sensor is probably calibrated correctly.

Temperature

  24 hours  Day time  Night time
Average temperature error0.9 °F-1.2 °F1.4 °F
Error standard deviation1.7 °F2.1 °F1.0 °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.

 
 
MADIS
rating
MADIS rating 99% QC OK
 

Latest daily graph:

Latest daily graph

These values are within the acceptable range. This probably means that your sensor is sited correctly and is calibrated correctly.

Dewpoint -- or switch to Relative Humidity

  24 hours  Day time  Night time
Average dewpoint error-0.2 °F-1.2 °F0.1 °F
Error standard deviation1.9 °F1.5 °F1.8 °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 99% QC OK
 

Latest daily graph:

Latest daily graph

These values are within the acceptable range. This probably means that your sensor is sited correctly and is calibrated correctly.

Wind Vector

The wind vector is the average wind over the relevant period. Note that if the wind blows North for half the time at 2 knots, and then blows South for the other half of the time at 2 knots, then the result is zero -- i.e. North wind and South wind will cancel out. Over time, the direction of the wind and of the analysis should match pretty well. If the lengths of the vector are different, then it could mean either that your anemometer reads high or low, or that you are in a more shielded or more open space.
MADIS
rating
MADIS rating 49% QC OK
Sensor fails following checks:
L3 Spatial Consistency
TodayLast 7 days
Wind vector chartWind vector chart for last 7 days

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. 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.

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: Tampa Bay Area (TBW) .

SiteDistanceLocationBarometerTemperatureDewpoint
WC4PEM-81.7 milesSouthwest Lakeland, FL, US (lat 28.1635°, long -82.0138°, altitude 45 metres) 0.4mb-0.8°F-0.1°F
DW52598.6 milesSouth Lakeland, FL, US (lat 28.0648°, long -82.0380°, altitude 35 metres) 0.4mb-0.8°F-1.3°F
WC4PEM-913.2 milesEast Polk City, FL, US (lat 28.1965°, long -81.7857°, altitude 37 metres) 0.8mb-0.8°F-0.4°F
FW848715.4 milesSouth Plant City, FL, US (lat 27.9732°, long -82.0773°, altitude 39 metres) -1.0mb-0.8°F-1.4°F
K3SV15.8 milesNorthwest DADE CITY, FL, UN (lat 28.3227°, long -82.2075°, altitude 35 metres) 0.3mb-0.2°F-0.7°F
KA1SNA16.2 milesWest WESLEY CHAPEL, FL, US (lat 28.2570°, long -82.2533°, altitude 35 metres) -0.8mb-1.6°F-1.3°F
WC4PEM-116.4 milesSoutheast Winter Haven, FL, US (lat 28.0172°, long -81.8113°, altitude 37 metres) 1.3mb-1.6°F-0.3°F
EW137717.6 milesSouth Lakeland, FL, US (lat 27.9408°, long -81.9182°, altitude 69 metres) 0.1mb-3.1°F-4.9°F
GW508618.0 milesWest WESLEY CHAPEL, FL, US (lat 28.1912°, long -82.2962°, altitude 22 metres) 0.5mb-0.2°F-0.9°F
WC4PEM20.7 milesSoutheast Bartow Airport, FL, US (lat 27.9525°, long -81.7867°, altitude 38 metres) 1.1mb-3.7°F-2.1°F

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 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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