Figure : ut-observed-and-projected-temperature-change-2019

Observed and Projected Temperature Change

Figure 44.1

North Carolina State University
Laura Stevens

This figure appears in chapter 44 of the NOAA-led State Summaries 2019 report.

Observed and projected changes (compared to the 1901–1960 average) in near-surface air temperature for Utah. Observed data are for 1900–2018. Projected changes for 2006–2100 are from global climate models for two possible futures: one in which greenhouse gas emissions continue to increase (higher emissions) and another in which greenhouse gas emissions increase at a slower rate (lower emissions)1. Temperatures in Utah (orange line) have risen 2.7°F since 1900. Shading indicates the range of annual temperatures from the set of models. Observed temperatures are generally within the envelope of model simulations of the historical period (gray shading). Historically unprecedented warming is projected to continue through the 21st century. Less warming is expected under a lower emissions future (the coldest years being about 2 degrees cooler than the hottest year in the historical record; green shading) and more warming under a higher emissions future (the hottest years being about 13°F warmer than the hottest year in the historical record; red shading). Source: CICS-NC and NOAA NCEI.

1Technical details on models and projections are provided in an appendix, available online at: https://statesummaries.ncics.org/pdfs/TechInfo.pdf.

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This figure was created on April 18, 2019.

This figure was submitted on September 30, 2019.

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This figure replaces figure 44.1: Observed and Projected Temperature Change


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