Maybe they are PO'd at us for questioning their resoning so much?? Just kidding. That is a little odd. I've never quite read one like that. I understand it but WOW. Also the forecaster used "blue northers" to describe the north wind gusts, which isn't what a blue norther is - it refers to the actual front itself. I've never seen "blue northers" plural before.
He/she must not be from 'round these parts
As for why it's from LCH, in the past it has been usually due to a software problem where they can't issue; an adjacent office needs to for them.