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Global Systems Laboratory

See What's Happening at GSL

Latest DESI upgrades include AI models, new datasets, and more

Latest DESI upgrades include AI models, new datasets, and more

GSL’s latest release of the powerful Dynamic Ensemble Scenarios for Impact-based decision support (DESI) is now live on both the GSL experimental product development server and the National Weather Service (NWS) cloud platform. Version 3.5, released September 2025, brings several new features and datasets to support research and operations across...

Posted: Nov 26, 2025
New upgrades to HRRR-Cast: the experimental AI-powered regional model

New upgrades to HRRR-Cast: the experimental AI-powered regional model

The AI-powered, data driven “sibling” of NOAA’s regional forecast system has received an upgrade. HRRR-Cast, first released by GSL in July 2025, is NOAA’s first regional forecast system powered by AI. This next generation introduces increased vertical resolution, new forecast variables, and ensemble forecast capabilities. HRRR-Cast Version 1 demonstrated...

Posted: Nov 24, 2025
NOAA Testbeds help GSL advance forecast and weather information systems

NOAA Testbeds help GSL advance forecast and weather information systems

NOAA’s Testbeds and Proving Grounds are critical partners for moving research forward from NOAA’s research laboratories toward operations or other uses at National Weather Service (NWS) and other adopters. Over the past year, GSL scientists have worked with several Testbeds and Proving Grounds to test and evaluate their experimental forecast,...

Posted: Sep 25, 2025

More From GSL

GSL invests in fire weather science with state-of-the-art testbed upgrade

GSL invests in fire weather science with state-of-the-art testbed upgrade

NOAA’s Fire Weather Testbed (FWT) has completed a major facility upgrade, unveiling new furniture, dynamic signage, and advanced display systems to strengthen its role as a hub for fire weather innovation and a trusted resource for the wildland fire community. GSL’s updated Fire Weather Testbed layout, including new mission control...

Posted: Sep 16, 2025

NOAA report on research transitions highlights GSL impacts

NOAA report on research transitions highlights GSL impacts

NOAA’s Line Office Transition Managers Committee (LOTMC) has published its Fiscal Year 2024 NOAA Annual Transition Report, led by the NOAA Office of Research, Transition, and Application (ORTA). This inaugural report summarizes each fiscal year’s wide range of research and development projects that NOAA transitions to operations, applications, commercialization, or...

Posted: Sep 08, 2025

New mobile NOAA Research fire weather observing facility undergoes testing in Colorado

New mobile NOAA Research fire weather observing facility undergoes testing in Colorado

A new, mobile fire weather observing system that can be quickly deployed to wildfire-prone regions to monitor how weather conditions contribute to fire ignition risk and behavior is undergoing testing and collecting data on a site near Boulder, Colorado. The mobile system, called “Collaborative Lower Atmospheric Mobile Profiling System” (CLAMPS),...

Posted: Sep 04, 2025

GSL scientists develop the Hourly Wildfire Potential Index

GSL scientists develop the Hourly Wildfire Potential Index

Wildfire was once a seasonal concern primarily for the western United States and Great Plains. It has now become a year-round threat in many parts of the country, devastating communities, impacting air quality, and reshaping landscapes. In the face of the escalating risk, scientists at NOAA’s Global Systems Laboratory (GSL)...

Posted: Aug 28, 2025

NOAA’s Fire Weather Testbed explores a comprehensive and collaborative approach to wildland fire alerts

NOAA’s Fire Weather Testbed explores a comprehensive and collaborative approach to wildland fire alerts

NOAA’s Fire Weather Testbed (FWT) has released a report detailing its comprehensive evaluation of an innovative end-to-end workflow to address the wildfire warning gap. As wildland fires increasingly impact communities with devastating outcomes, they reinforce an urgent need to close the warning gap between ignition and public alert. To...

Posted: Aug 14, 2025

Introducing DESI Digest

Introducing DESI Digest

Introducing the DESI Digest! NOAA’s Dynamic Ensemble-based Scenarios for IDSS (DESI) is a cutting-edge research tool empowering forecasters to explore a vast array of potential weather scenarios. DESI delivers customizable displays of high-resolution guidance, crucial for risk-based decision-making and fostering collaboration between researchers and operational partners. The DESI Digest...

Posted: Jul 21, 2025

HRRR-Cast unleashes AI for regional weather forecasting

HRRR-Cast unleashes AI for regional weather forecasting

NOAA’s Global Systems Laboratory (GSL) is breaking new ground in weather prediction with the development of HRRR-Cast, NOAA’s first data-driven, artificial intelligence (AI)-powered regional forecasting system. This innovative project, a key component of NOAA’s broader Project EAGLE (Experimental Artificial intelligence Global and Limited area Ensemble) system, represents a significant...

Posted: Jul 17, 2025

DESI gets to know its users: GSL performs the first comprehensive evaluation of powerful analysis tool

DESI gets to know its users: GSL performs the first comprehensive evaluation of powerful analysis tool

Researchers at the NOAA Global Systems Laboratory (GSL) have completed the first comprehensive evaluation of one of GSL’s flagship decision-support tools. The Dynamic Ensemble-based Scenarios for Impact-based Decision-Support Services (DESI) is a web-based application that allows meteorologists and other users to explore ensemble weather model data and extract probabilistic information...

Posted: Jul 14, 2025

GSL offers new storm surge alert tool

GSL offers new storm surge alert tool

Emergency responders in central Florida navigating flooding resulting from storm surge during Hurricane Ian in 2022. Source: NOAA/NHC Hurricane Ian Tropical Cyclone Report. Image Credit: Phelan M. Ebenhack/EBENP, via Associated Press The deadliest hazard from tropical storms and hurricanes isn’t wind – it’s storm surge and the flooding that follows....

Posted: Jul 09, 2025

Weather prediction workshop and community model upgrades spotlight GSL-driven advancements

Weather prediction workshop and community model upgrades spotlight GSL-driven advancements

GSL’s model developers and evaluators have been hard at work testing, advancing, and planning the next generation of numerical weather prediction models. Recently, this has included taking a leading role at a recent workshop for the scientific community and making significant contributions to recent releases of two major atmospheric modeling...

Posted: Jul 03, 2025

Fire Weather Testbed brings local experts together for wildfire research workshop

Fire Weather Testbed brings local experts together for wildfire research workshop

On June 6, 2025, NOAA’s Global Systems Laboratory (GSL) hosted a workshop led by the National Science Foundation’s Advanced Sensing and Computation for Environmental Decision-making Engine (NSF ASCEND Engine) in Colorado and Wyoming. The hybrid workshop, with virtual and on-site participation at the Fire Weather Testbed on NOAA’s Boulder campus,...

Posted: Jul 02, 2025

GSL scientists earn Outstanding Scientific Paper awards from NOAA Research

GSL scientists earn Outstanding Scientific Paper awards from NOAA Research

NOAA Research has announced the 2025 recipients of the Office of Oceanic and Atmospheric Research (OAR) Outstanding Scientific Paper Awards. This year, two of the eight outstanding papers included significant contributions by GSL scientists, including one landmark paper led by the lab. Annually, OAR recognizes several significant scientific publications and...

Posted: Jun 24, 2025

Supporting atmospheric observing networks and weather modeling across the globe

Supporting atmospheric observing networks and weather modeling across the globe

As part of its commitment to advancing meteorological observations and modeling systems, GSL has developed a new tool to process measurements taken at field sites worldwide, and delivered it to two major partners. The new algorithm, called the Tropospheric Remotely Observed Profiling via Optimal Estimation (TROPoe), derives vertical profiles of...

Posted: Jun 11, 2025

Experimental smoke model provides early warning of wide-reaching impacts

Experimental smoke model provides early warning of wide-reaching impacts

Experimental RRFS-Smoke model forecast for vertically-integrated smoke concentration on June 3, 2025. Days before the Midwest and Eastern regions of the U.S. were impacted by dense smoke, haze, and poor air quality, GSL’s Rapid Refresh Forecast System (RRFS) Smoke model drew forecaster attention to the potential spread of the smoke...

Posted: Jun 04, 2025

Latest DESI upgrade includes next-generation model data

Latest DESI upgrade includes next-generation model data

DESI display of RRFS forecast wind speeds over North America. RRFS’s North America domain allows for high-resolution weather prediction across the entire continent and surrounding oceans. Image credit: NOAA GSL. GSL has released its latest update to the powerful Dynamic Ensemble Scenarios for Impact-Based Decision Support (DESI) tool on both...

Posted: Jun 03, 2025

GSL technology to support aviation safety in The Bahamas

GSL technology to support aviation safety in The Bahamas

NOAA has signed an agreement with Sky Miles Limited, a Bahamian company, for GSL to develop and install an advanced aviation forecast system. This system will improve flight safety for airlines flying to or through the island nation’s airspace, off the United States southeast coast, and the surrounding Caribbean...

Posted: May 19, 2025

GSL partners with MSU Denver to host undergraduate research interns

GSL partners with MSU Denver to host undergraduate research interns

GSL scientists spent part of this spring mentoring five Metropolitan State University at Denver (“MSU Denver”) undergraduate students through an internship program supported by the National Science Foundation (NSF) and the Colorado-Wyoming (CO-WY) Engine.  The internship is funded by the NSF Advanced Sensing and Computation for Environmental Decision-making (ASCEND)...

Posted: May 15, 2025

Community forecast model adds fire and smoke prediction capabilities

Community forecast model adds fire and smoke prediction capabilities

A new upgrade of the Unified Forecast System’s (UFS) Short-Range Weather (SRW) Application, which was released by the Earth Prediction Innovation Center (EPIC) in April 2025, contains significant contributions from the NOAA Global Systems Laboratory (GSL). The update (Version 3.0) adds new capabilities for modeling wildfire smoke and dust for weather model developers...

Posted: May 07, 2025

A new hazardous weather warning system proves its mettle during March tornado outbreaks

A new hazardous weather warning system proves its mettle during March tornado outbreaks

From March 13 to 16, 2025, a historic and deadly tornado outbreak swept across the central United States, unleashing severe weather from the Gulf Coast to central Illinois. The storm system produced more than 115 confirmed tornadoes, and resulted in $6.25 billion in damage and 23 fatalities, making it one...

Posted: Apr 25, 2025

GSL releases update to DESI weather analysis tool

GSL releases update to DESI weather analysis tool

NOAA’s Global Systems Laboratory (GSL) has released a significant update to the Dynamic Ensemble-based Scenarios for Impact-Based Decision Support (DESI). The latest release, Version 3.3, launched in February 2025 and incorporates a host of improvements aimed at enhancing usability, visualization, and its suite of critical environmental data. Recent releases have offered...

Posted: Apr 16, 2025

Our Mission

Lead research and directed development through the transition of environmental data, models, products, tools, and services to support commerce, protect life and property, and promote a scientifically literate public.

Research Areas

Organizational Excellence, Earth System Prediction, Advanced Technologies, and Decision Support are the foundation to achieving the GSL Grand Challenge: Deliver actionable global storm-scale prediction and environmental information through advanced technologies to serve society.

Global Systems Laboratory