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Current Advisories

Who We Are

The Delaware Environmental Observing System (DEOS) is a support tool for decision makers involved with emergency management, natural resource monitoring, transportation, and other activities throughout the State of Delaware. Our primary goal is to provide state agencies and the citizens of Delaware with immediate information about environmental conditions in and around the State. DEOS also archives data for historical environmental studies and research.


Popular Products

DEOS GeoBrowser
The GeoBrowser is a tool that provides users a way to access DEOS data through a geographic framework. In the GeoBrowser, you can select stations to see current conditions and access daily and monthly summaries. You can also view the latest weather radar and warnings from the National Weather Service.
DEOS Snow Conditions Page
DEOS provides real-time snow depth data for 18 locations across Delaware. The data are provided at different timescales, so as to more useful to the multitude of user groups who rely on the snow data from our system.
DEOS Ag Environmental Data
Agriculture/Irrigation Summaries are generated for most stations in the DEOS network. Data types in this summary include reference evapotransipiration, growing degree days, soil temperature, and soil moisture.
DEOS Network Station Updates:

There are currently no known station issues.
 
News
The Delaware Irrigation Management System
Added 2/24/12

DEOS will soon be releasing the Delaware Irrigation Management System (DIMS) for users with agricultural irrigation systems. DIMS provides a streamlined interface that allows users to easily setup fields for irrigation managment. DIMS also is tailored for Delaware and incorporates DEOS meteorological data to take advantage of the high resolution system that is already available and used in many agricultural applications.

Please check back soon for more information. If you'd like to be notified when DIMS becomes available, contact us via our feedback page.
 
Data Requests
The preferred method for filling data requests is through our web services, which provide data in an XML neutral format. This is ideal for anyone with recurring data needs. To access our web services, go to the sign up page to get an account.

Other data requests, particularly one-time data requests, can be made via our feedback page and will be filled as time permits.

If you encounter problems using the web services, or if you have other data questions, go to our feedback page and send us a message.