posted on Oct, 30 2013 @ 12:35 PM
Ok, here's the answer from the NWS:
The NWS office here in Melbourne does not launch weather balloons. The USAF at Cape Canaveral is the closest weather balloon site, but they only
launch them routinely in the morning (they stopped launching evening balloons shortly after the shuttle program concluded). The NWS offices at Tampa
Bay, Jacksonville and Miami are the closest ones that launch morning and evening balloons (8pm/8am during EDT and 7am/7pm during EST). However, the
upper atmosphere wind profile Tuesday was such that their balloons would likely not have reached Brevard County.
NWS weather balloons are launched with small lights (continuous glow, not intermittent) - so they wouldn't be flashing at a seven second interval.
So, while we can't help identify what the light was that you observed, we're quite confident that it was not a NWS weather balloon!