When I see things like this
Jan. 19th, 2010 11:49 amI wish I was still in the Guard:
Much of NorCal is likely to see 5-10 inches in the lowlands, with 10-20
inches in orographically-favored areas. Most of SoCal will see 3-6
inches at lower elevations, with perhaps triple that amount in favored
areas.
This is where things get even more interesting, though. The models are
virtually unanimous in "reloading" the powerful jet stream and forming
an additional persistent kink 2000-3000 miles to our southwest after
next Sunday. This is a truly ominous pattern, because it implies the
potential for a strong Pineapple-type connection to develop. Indeed, the
12z GFS now shows copious warm rains falling between days 12 and 16
across the entire state. Normally, such as scenario out beyond day seven
would be dubious at best. Since the models are in such truly remarkable
agreement, however, and because of the extremely high potential impact
of such an event, it's worth mentioning now. Since there will be a
massive volume of freshly- fallen snow (even at relatively low
elevations between 3000-5000 feet), even a moderately warm storm event
would cause very serious flooding. This situation will have to monitored
closely. Even if the tropical connection does not develop, expected
rains in the coming 7-10 days will likely be sufficient to cause
flooding in and of themselves (even in spite of dry antecedent
conditions).
I hope he (and I) are playing Chicken Little, but sandbags might not be a bad idea for those who lie in flood plains.
Much of NorCal is likely to see 5-10 inches in the lowlands, with 10-20
inches in orographically-favored areas. Most of SoCal will see 3-6
inches at lower elevations, with perhaps triple that amount in favored
areas.
This is where things get even more interesting, though. The models are
virtually unanimous in "reloading" the powerful jet stream and forming
an additional persistent kink 2000-3000 miles to our southwest after
next Sunday. This is a truly ominous pattern, because it implies the
potential for a strong Pineapple-type connection to develop. Indeed, the
12z GFS now shows copious warm rains falling between days 12 and 16
across the entire state. Normally, such as scenario out beyond day seven
would be dubious at best. Since the models are in such truly remarkable
agreement, however, and because of the extremely high potential impact
of such an event, it's worth mentioning now. Since there will be a
massive volume of freshly- fallen snow (even at relatively low
elevations between 3000-5000 feet), even a moderately warm storm event
would cause very serious flooding. This situation will have to monitored
closely. Even if the tropical connection does not develop, expected
rains in the coming 7-10 days will likely be sufficient to cause
flooding in and of themselves (even in spite of dry antecedent
conditions).
I hope he (and I) are playing Chicken Little, but sandbags might not be a bad idea for those who lie in flood plains.
no subject
Date: 2010-01-20 12:39 am (UTC)Thanks for the heads up.
no subject
Date: 2010-01-20 05:29 am (UTC)no subject
Date: 2010-01-20 06:08 pm (UTC)