1. INTRODUCTION

2. SIMULATIONS
2.1. Low-Density WHIM Projections

3. DETECTING THE SIGNATURE OF THE WHIM WITH PLANCK AND SPT
3.1. Methods for Detecting WHIM Gas in SZE Sky Surveys
3.2. Effect of the Low-Density WHIM on the Power Spectrum
3.3. WHIM Power in the kSZE

4. DISCUSSION

5. SUMMARY