A school bus is in the direct path of a sighted tornado, evacuation is ordered, and no building shelter is available. Which action best matches the NJ CDL Manual?

1. Escort students to a nearby ditch or culvert, have them lie face down with hands covering their heads, and avoid flash-flood areas
2. Keep students standing beside the bus on the windward side
3. Move students under the bus for shelter
4. Send students across traffic to find individual hiding places