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Global Systems Laboratory

See What's Happening at GSL

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

More From GSL

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

GSL/PSL partner with AI startup to make observational data AI-ready

GSL/PSL partner with AI startup to make observational data AI-ready

NOAA’s Physical Sciences Laboratory and Global Systems Laboratory and the artificial intelligence startup Brightband have entered into a two-year Cooperative Research And Development Agreement (CRADA) that will optimize a vast NOAA-managed archive of observational weather data for training artificial intelligence (AI)-based weather forecasting applications. Under the CRADA, “Making NOAA Observation Data Artificial Intelligence-Ready,” NOAA will...

Posted: Feb 26, 2025

The Person Underneath the Umbrella

The Person Underneath the Umbrella

Weather touches every part of our lives–our flights, utility bills, commutes, work days, soccer games, and even our moods. For over a half century, NOAA has been studying the skies to better understand how our atmosphere works. Our efforts have led to rapid advances in weather detection and atmospheric...

Posted: Jan 21, 2025

Hurricane Helene tests Hazard Services

Hurricane Helene tests Hazard Services

Hurricane Helene taken from GOES 16, Image from of CIRA Several NOAA National Weather Service Forecast Offices (NWS WFOs), including Charleston, SC (CHS) have been testing the latest version of Hazard Services for convective operations. The WFO issued 39 tornado warnings, 28 special marine warnings for waterspouts, and dozens of...

Posted: Nov 26, 2024

2024 AMS Severe Local Storms Conference

2024 AMS Severe Local Storms Conference

GSL scientists will present at the AMS 31st Conference on Severe Local Storms October 21-24 in Virginia Beach, VA. The conference is the premiere gathering for scientists, forecasters, educators, and communicators engaged in all aspects of work related to hazardous deep convective weather phenomena. The theme for this year...

Posted: Oct 18, 2024

Tenth Anniversary of the HRRR in Operations

Tenth Anniversary of the HRRR in Operations

From its inception as an experiment to improve forecasts for aviation, GSL is thrilled to celebrate the 10th anniversary of the pioneering High-Resolution Rapid Refresh (HRRR) weather model’s transition to NOAA National Weather Service (NWS) operations. Since September 30, 2014, GSL has delivered four major upgrades to the HRRR...

Posted: Oct 18, 2024

Winter and non-precip weather hazard functions go live

Winter and non-precip weather hazard functions go live

On October 1, 2024 Hazard Services winter weather and non-precipitation hazard functions went live in all NOAA National Weather Service Forecast Offices across the nation. GSL leads the development of Hazard Services, a multi-year, multi-phase, multi-partner effort to streamline the process to create a hazardous weather watch, warning, or...

Posted: Oct 18, 2024

New release of a state-of-the-art physics package for weather models

New release of a state-of-the-art physics package for weather models

GSL and the Developmental Testbed Center (DTC) have achieved a milestone with the release of the Common Community Physics Package (CCPP) v7.0.0! The Common Community Physics Package (CCPP) is a state-of-the-art infrastructure designed to facilitate community-wide development of atmospheric physics parameterizations across different host weather and climate models. The CCPP...

Posted: Oct 07, 2024

Investigating the Impact of Uncrewed Aircraft Observations on Weather Forecasts via Simulations

Investigating the Impact of Uncrewed Aircraft Observations on Weather Forecasts via Simulations

NOAA GSL and partners CIRES/CU Boulder and University of Nebraska – Lincoln have used Observing System Simulation Experiments (OSSEs) to analyze the impacts of Uncrewed Aircraft Observations on weather models and their forecasts. Many high-impact weather phenomena such as thunderstorm initiation, tornadoes, fog, wildfires and precipitation are tied to processes...

Posted: Sep 17, 2024

June Fire Weather Testbed Evaluations

June Fire Weather Testbed Evaluations

NOAA Global Systems Laboratory hosted the first in-person evaluation in the new NOAA Fire Weather Testbed (FWT) in June. Forecasters from NOAA’s National Weather Service (NWS) were paired with state forestry partners and trained on a new wildland fire detection and monitoring tool in the Next Generation Fire System (NGFS),...

Posted: Jul 29, 2024

A Hazard Services Milestone!

A Hazard Services Milestone!

On June 14, the Pittsburgh NOAA National Weather Service Forecast Office (NWSFO) issued the first-ever real-time Severe Thunderstorm Warning using GSL-developed Hazard Services software. The warning alerted more than 32,000 residents across eastern Ohio to the imminent threat of severe weather. This work is part of the NWS’s ongoing transition...

Posted: Jul 17, 2024

2024 High Seas Polygon Workshop

2024 High Seas Polygon Workshop

In Hazard Services, users evaluated gridded wind, wave, and visibility forecasts, as well as analyses of synoptic features, creating a polygon “hazard” area in a format that can automatically be imported into navigational display systems. Similar gridded forecasts will be available for freezing spray forecasts. Hazard Services is an...

Posted: Jul 17, 2024

GSL releases big update to weather forecast tool

GSL releases big update to weather forecast tool

NOAA GSL has released a new version of the Dynamic Ensemble-based Scenarios for Impact-based Decision Support (DESI), a powerful tool for ensemble-based weather forecast information and visualization. DESI 3.1 builds on the additions from version 3.0 to give NOAA National Weather Service (NWS) meteorologists the tools to better serve their...

Posted: Jul 10, 2024

GSL scientists survey second site for fire weather research

GSL scientists survey second site for fire weather research

NOAA GSL, Global Monitoring Lab (GML), Air Resources Lab (ARL), and Cooperative Institute for Research in Environmental Sciences (CIRES) scientists surveyed possible new observation sites near Flagstaff, Arizona for fire weather research. Flagstaff was impacted by three wildfires in June of 2022 that caused the evacuation of hundreds of residents....

Posted: Jul 01, 2024

​GSL welcomes our 2024 summer intern cohort!

​GSL welcomes our 2024 summer intern cohort!

Meet our summer interns! Chuck Baker (University of Maryland) (Dave Turner, Jason English) My path to GSL has been shaped by extensive work in atmospheric research, particularly on the planetary boundary layer (PBL). At NOAA’s Air Resources Laboratory (ARL), I developed strong skills in data analysis and model...

Posted: Jun 26, 2024

GSL experimental models tested in the 2024 NOAA Hazardous Weather Testbed

GSL experimental models tested in the 2024 NOAA Hazardous Weather Testbed

GSL participated in the 2024 NOAA Hazardous Weather Testbed Spring Forecast Experiment during May with several experimental models under the microscope. The primary goals of the NOAA HWT are to accelerate the transfer of promising new tools from research to operations, inspire new initiatives for operationally relevant research, and identify...

Posted: Jun 03, 2024

Forecasters test Threats in Motion concepts

Forecasters test Threats in Motion concepts

A record 62 tornado warnings were issued by the NOAA NWS forecast office in Norman, Oklahoma during the April 27-28 tornado outbreak. With current software, the forecaster draws a warning polygon that is stationary and constrained to its original area; it can only be reduced in size, not expanded. If...

Posted: Jun 03, 2024

​GSL introduces Wyoming students to Artificial Intelligence

​GSL introduces Wyoming students to Artificial Intelligence

More than 500 female junior and senior high school students from across Wyoming state participated in the Women in STEM (science, technology, engineering, and mathematics) Conference (WiSTEM) on the University of Wyoming campus in Laramie on Tuesday, May 14. This was the 24th year of the WiSTEM conference, designed to...

Posted: May 29, 2024

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