A new update is available for Nuclear War Simulator. Along with bugfixes, new features include a data layer for average building heights, which will improve the accuracy of modeling damage to an urban environment. Build 399 New features and changes: -Visualization of single physical effects can now be disabled in the dropdown menus -New data layer added: average building height. The building height layer is used to realistically estimate the distribution of protection factors -Added support for higher resolution GFS weather data for HYSPLIT -Added an option to set the folder where weather data for HYSPLIT is saved. This is useful if large weather files are filling the SSD Bug fixes: -Fire no longer displayed on water -Ballistic missile defense no longer fires after being destroyed -Early warning radar no longer fires after being destroyed -Fixed not all silos firing in the scenario World arsenals and Black Sea escalation -Fixed SS-26 Stone having too many missiles -Smoke from cities is no longer interrupted when changing tithe me speed -Time speed now rounded to the nearest integer when changing speed -South America map tiles are no longer missing -Updated multiple US aircraft not having dial-a-yield options on some gravity bombs -Fixed fallout and fires visualization -Fixed vertical offset of the unit selection visualization