Natural hazards Information on how to handle natural hazards that may hit Philadelphia. Code Blue Actions the City takes when it declares a Code Blue to keep people who are homeless safe from extreme cold. Drought Information on what to do if a drought strikes Philadelphia. Earthquake Information on what to do if an earthquake strikes Philadelphia. Hot weather Information on how to manage excessive heat in Philadelphia by staying safe and cool. Flood Information on how to prepare for and deal with flooding in Philadelphia. Hurricane or tropical storm Information on what to do during a hurricane or tropical storm if one should hit Philadelphia. Thunderstorm Information on what to do before and during thunderstorms in Philadelphia. Tornado and wind storms Information on what to do before and during a tornado in Philadelphia. Winter weather Information on how to handle severe winter weather in Philadelphia.