Army and Air Force does also. These may
be broken down into separate plans for Hot Weather, Cold weather, Foul
Weather as the situation and location requires.

In Whidbey we had one for a volcano's!

In the 50's my dad was the ops O for the WV rag out at Barbers point they did a
hurivac and my dad took his Connie to Nashville TN. were his folks lived at the
time.
Sparky