[1] NOAA, Natl Climat Data Ctr, Asheville, NC USA
[2] N Carolina State Univ, Cooperat Inst Climate & Satellites, Asheville, NC USA
[3] NOAA, Natl Severe Storms Lab, Norman, OK 73069 USA
[4] SUNY Albany, Albany, NY 12222 USA
[5] No Illinois Univ, De Kalb, IL 60115 USA
[6] Univ S Carolina, Dept Geog, Hazards & Vulnerabil Res Inst, Columbia, SC 29208 USA
[7] Colorado State Univ, Ft Collins, CO 80523 USA
[8] MIT, Cambridge, MA 02139 USA
[9] Natl Ctr Atmospher Res, Boulder, CO 80307 USA
[10] NOAA, Geophys Fluid Dynam Lab, Princeton, NJ USA
[11] Florida State Univ, Tallahassee, FL 32306 USA
[12] Univ Calif Berkeley, Dept Stat, Berkeley, CA 94720 USA
[13] Univ Nevada, Desert Res Inst, Reno, NV 89506 USA
[14] Rutgers State Univ, New Brunswick, NJ 08903 USA
[15] Purdue Univ, W Lafayette, IN 47907 USA
[16] NOAA, Climate Predict Ctr, College Pk, MD USA
[17] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[18] Univ Colorado, CIRES Climate Diagnost Ctr, Boulder, CO 80309 USA
[19] NOAA, ESRL, Div Phys Sci, Boulder, CO USA
[20] Univ Illinois, Urbana, IL USA