least gallon water per person day least days alert hazards frozen water resultant container rupture basic toolkit pliers wrench screwdriver pet supplies food water radio battery hand cranked snowy areas cat litter sand better tire traction shovel ice scraper warm clothes gloves hat sturdy boots jacket extra change clothes blankets sleeping bags charged cell phone car charger addition emergency supplies training various situations fema offers advice mitigate disasters agency gives instructions
Applied science Public administration Emergency management