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Climate Change Assessment for Water Resources Region 03 South Atlantic -Gulf r ornal 001-09, 1019 anumminlldinsf, '0-29 llwsn't)'wfw av 30-3' /i „ice ////6 40-4 50-59 ..... 60-6'9 moHNIi wimii uum uoo 70-79 910 -99 Figure 3.2. Probability distributions of GCM Projections of daily maximum temperatures for Years 2000 — 2100 by decade, southeast region (a. summer months: Jun — Aug, b. winter months: Dec — Feb). (Scherer and Diffenbaugh, 2014). Elguindi and Grundstein (2013) present results of regional climate modeling of the U.S. focused on the Thornthwaite climate type — a measure of the combination of relative temperature and precipitation projections. For the South Atlantic -Gulf Region, results show a shift from primarily warm wet or warm moist climate type in the latter decades of the 201' century to a much larger proportion of hot moist or hot dry climate type areas by the period 2041 — 2070 (Figure 3.3). a) Historical observed (1971 — 2000) b) GCM projections (2041 — 2070) ;_: M f Figure 3.3. Revised Thornthwaite climate types projected by regional climate models. The South Atlantic -Gulf Region is within the red oval (Elguindi and Grundstein, 2013). Projections of changes in temperature extremes have been the subject of many recent studies performed at a national scale. A 2006 study by Tebaldi et al. applied nine GCMs at a global scale USACE Institute for Water Resources 22 January 9, 2015 a) b) 4 19 dop C 3.2 dell C sowheasl 1 0 d 0 4 a 1 -4 0 4 6 12 16 r ornal 001-09, 1019 anumminlldinsf, '0-29 llwsn't)'wfw av 30-3' /i „ice ////6 40-4 50-59 ..... 60-6'9 moHNIi wimii uum uoo 70-79 910 -99 Figure 3.2. Probability distributions of GCM Projections of daily maximum temperatures for Years 2000 — 2100 by decade, southeast region (a. summer months: Jun — Aug, b. winter months: Dec — Feb). (Scherer and Diffenbaugh, 2014). Elguindi and Grundstein (2013) present results of regional climate modeling of the U.S. focused on the Thornthwaite climate type — a measure of the combination of relative temperature and precipitation projections. For the South Atlantic -Gulf Region, results show a shift from primarily warm wet or warm moist climate type in the latter decades of the 201' century to a much larger proportion of hot moist or hot dry climate type areas by the period 2041 — 2070 (Figure 3.3). a) Historical observed (1971 — 2000) b) GCM projections (2041 — 2070) ;_: M f Figure 3.3. Revised Thornthwaite climate types projected by regional climate models. The South Atlantic -Gulf Region is within the red oval (Elguindi and Grundstein, 2013). Projections of changes in temperature extremes have been the subject of many recent studies performed at a national scale. A 2006 study by Tebaldi et al. applied nine GCMs at a global scale USACE Institute for Water Resources 22 January 9, 2015