Monitoring Tools

Saturday, May 18, 2013

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National Drought Mitigation Center

Monitoring Tools

NDMC Monitoring Tools

The National Drought Mitigation Center produces drought monitoring tools and information to help people assess drought severity and impacts:

U.S. Drought Monitor
Drought Impact Reporter
VegDRI
Standardized Precipitation Index (Climate Division scale)
Daily gridded SPI

Also available is an in-depth comparison of drought indices that explains how various indices are calculated.

Download the program to calculate the Standardized Precipitation Index.

Drought Monitoring in the U.S.

Drought monitoring resources at a national scale are available from a variety of agencies and organizations. The NDMC has compiled an extensive set of resources related to drought indicators, remote sensing, forecasts & advisories, water resources, and data. Additional information can be found on the National Integrated Drought Information System (NIDIS) web portal.

Featured Monitoring Tools

U.S. Rain Days and Dry Days - updated weekly
NASA Grace Data Assimilation - updated weekly

State and Local Monitoring

State and local drought monitoring information is available from Regional Climate Centers, volunteer networks such as the Community Collaborative Rain, Hail and Snow Network,and various state agencies. The NDMC has compiled a wealth of state and local drought monitoring information and resources from these and other sources.

International Early Warning

The international drought community produces global-scale and country-specific drought monitoring tools and information. The NDMC has collected resources related to international drought indicators, remote sensing, forecasts and advisories, water resources, and data.

Daily Gridded SPI

The High Plains Regional Climate Center compiles the Daily Gridded SPI based on real-time data.
Drought Impact Reporter

The Drought Impact Reporter compiles drought impacts from a variety of sources, including news media, government agencies, and individual observers.
NASA GRACE Data Assimilation

Scientists at NASA’s Goddard Space Flight Center generate groundwater and soil moisture drought indicators each week.
Standardized Precipitation Index (Climate Division scale)

The National Drought Mitigation Center produces a suite of monthly Standardized Precipitation Index maps.
U.S. Drought Monitor

The U.S. Drought Monitor is a composite drought index.
Vegetation Drought Response Index (VegDRI)

VegDRI combines satellite-based observations with climate and biosphysical information to map drought’s effect on vegetation at a one-kilometer resolution.

Coming Soon: Tools Under Development

Drought Atlas

The Drought Atlas will provide users with a comprehensive, site-specific assessment of the history, frequency, intensity, duration and patterns of drought in the past century.

Vegetation Outlook (VegOut)

VegOut is based on satellite data, like VegDRI, and it projects current trends into the future at two-, four-, and six-week intervals.

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Monitoring Tools

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NDMC Monitoring Tools

Drought Monitoring in the U.S.

Featured Monitoring Tools

State and Local Monitoring

International Early Warning