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Satellite imagery: Kīlauea volcano eruption, Hawaiian Islands

Satellite imagery: Kīlauea volcano eruption, Hawaiian Islands

December 31, 2016 Kīlauea volcano erupted.
Kīlauea is a currently active shield volcano in the Hawaiian Islands, and the most active of the five volcanoes that together form the island of Hawaiʻi.
In Hawaiian mythology Kīlauea is the body of the deity Pele, goddess of fire, lightning, wind, and volcanoes. While the conflict between Pele and the rain god Kamapuaʻa was centered; Halemaʻumaʻu, "House of the ʻamaʻumaʻu fern", derives its name from the struggle between the two gods.

How to make online products on satellite images: False RGB

How to make online products on satellite images: False RGB

For RGB processing with false colors you need to choose another bands of b7,b4 and b3 by select=b7,b4,b3 and type of the processing as&op=rgb

VANE change detection that works online

VANE change detection that works online

Investigate changes before and after events like fire, drought, flood and other natural disasters as well as human activity like construction rate in some region or crop cultivation. Code your own algorithms to estimate intensity or spreading of changes.

How to make online products on satellite images: Get RGB image

How to make online products on satellite images: Get RGB image

For October 1, 2016, we get RGB with correction of the brightness by &color=brightness>5000,brightness< 13000 .

For RGB processing you need to choose three bands of b4,b3 and b2 by select=b4,b3,b2  and type of the processing as &op=rgb

Query template

http://sat.owm.io/sql?select=b4,b3,b2&where=day=2016-10-01&op=rgb&color=brightness>5000,brightness<13000&polygon={"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[-121.32,37.65],[-121.32,37.72],[-121.11,37.72],[-121.11,37.65],[-121.32,37.65]]]}}&APPID={APIKEY

Queries for satellite images with VANE SQL v 0.2: Time

Queries for satellite images with VANE SQL v 0.2: Time

Choose images on the specific date, for the particular period, pick up the best images for the last month or week, and many other options.

Happy New Year

Happy New Year

OpenWeatherMap team wishes you a happy New Year! Thank you for being with us this year, we hope to see you in 2017.

VANE fire detection that works online

VANE fire detection that works online

Setup your formulas and color schemes of change detection to make it applicable for  fire.

How to make online products on satellite images: Setup your color scheme of NDVI

How to make online products on satellite images: Setup your color scheme of NDVI

You can setup your color scheme absolutely flexibely by playing with a parameter &color=0.03:fcfefcff; ... This parameter consists of pairs of numbers like 0.03:fcfefcff separated by semicolons where:

0.03 - NDVI value from 0 to 1

fcfefcff - HTML colors

Beautiful maps: Deserts: Namib Desert

Beautiful maps: Deserts: Namib Desert

The Namib is a coastal desert in southern Africa. The name Namib is of Nama origin and means "vast place". According to the broadest definition, the Namib stretches for more than 2,000 kilometres along the Atlantic coasts of Angola, Namibia, and South Africa.

Happy Christmas weather

Happy Christmas weather

Openweathermap team wishes happy Merry Christmas and a beautiful holiday weather for New Year to all our users and visitors! Thank you for being with us this year!

As a Christmas gift, we've prepared some special weather widget, that you can embed into your site or blog to watch for the holiday weather in your city area. You can get it at the weather widgets page that's been announced recently.