Originally Posted by
expressboy
Saw this waiver for one of my upcoming flights tomorrow. Does someone in SFO know how bad this is?
A normal-ish amount of bad? Typical pattern will probably be arrivals on 19L ILS with departures on the 10s. I think the typical AAR is 28 for this pattern but I forget. Small chance there could be blocks where the wind takes the 10s out of commission, at which point SFO is crippled since it can't get long-haul widebodies off the ground at all, and departures drop to 19R only with medium-size a/c needing to sequence onto 19L. However, this is really rare and need the perfect breed of crosswinds.
I guess you could call it "second level bad" as the first level of bad is when low clouds force arrivals to sequence for 28 R/L ILS instead of visual, which already causes a decent number of delays. Any time they move over the 19s they only have one ILS runway so any clouds at all badly cut into the arrival rate.
Wind advisory:
Code:
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 AM PST SATURDAY...
* WHAT...South winds 15 to 30 mph with gusts up to 50 mph
expected.
* WHERE...The greater San Francisco Bay Area, the Central Coast
and San Benito County. Although the entire forecast area is
included in the wind advisory, there will be areas that are
sheltered from the advisory level winds. These areas include
some of interior valleys and parts of the southern Santa Clara
Valley. The strongest winds are expected along the coast, in the
hills and focused over the North Bay as the front passes through
tonight.
* WHEN...From 10 AM Friday to 7 AM PST Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects.
Downed trees and downed powers lines may lead to travel hazard
or power outages.