University of Arizona

Related Data & Maps

Representative Grass-Cast map, forecasting the percentage change in grassland production compared to a 36-year average

Grassland Production Forecast (Grass-Cast)

Grass-Cast indicates for ranchers and rangeland managers what productivity is likely to be in the upcoming growing season relative to their own county’s 34-year history.

1900-2017, Forecasts

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Related Events

Jan 24 2023

January 2023 Southwest Drought Briefing

Feb 1 2022

Environmental Flows in the Rio Grande – Rio Bravo Basin

Aug 24 2021

Southwest Drought Briefing

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Tools for Navigating Drought on the Ranch

Related Webinar Recaps

Jan 18

The Colorado River with low water levels, representing drought in the Southwest.

Intermountain West Drought Briefing: January 9, 2024

Mar 26

Marsh in Pawleys Island, South Carolina, representing the Southeast region.

Southeast Climate Monthly Webinar: March 26, 2024

Jul 21

Side by side images of extreme heat; dry, cracked soil; low water levels; and agricultural drought.

2022 Western Drought and Heat Webinar

Aug 24

Colorado River running through the Grand Canyon

Southwest Drought Briefing: August 24, 2021

Related Drought Status Updates

Lightning strikes in the Sonoran Desert in Arizona

June 30, 2022

North American Monsoon and Drought Relief

Related Documents

August 2020

Drought Influences on Post-Wildfire Flooding and Debris Flow Hazard

Related Research

Expanding Monitoring & Modeling to Assess the Role of Drought in the Persistence of Post-Fire Debris-Flow and Flood Hazards in the Western U.S.