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Started By
Message
re: Big Cold Blast Coming - Round 2
Posted on 1/2/18 at 2:13 pm to GEAUXmedic
Posted on 1/2/18 at 2:13 pm to GEAUXmedic
Not too often Marsh Island misses out on snow to the south. 
2
Posted on 1/2/18 at 2:16 pm to slackster
Is any of the stuff that the maps are showing over Grand Isle actually hitting the ground???
Posted on 1/2/18 at 2:32 pm to LSU316
HRRR
Posted on 1/2/18 at 2:33 pm to slackster
The disturbance giving the snow chances tonight just diving into the Texas panhandle now. Still a lot of flake watching to go.
Posted on 1/2/18 at 2:37 pm to LSU316
Just got back from cocodrie and dulac. Didn't see any flurries eventhough map had blue. Must be evaporating as it drops
Posted on 1/2/18 at 2:44 pm to Duke
quote:
The lake isn't really large enough to make lake effect happen
Actually, it is. Here's a quote taken from the link I posted earlier in the thread in regards to lake-effect snow on Lake Pontchartrain.
quote:
Lake Ponchartrain Lake-Effect: Lake Pontchartrain is much smaller, just over 30 miles across at its maximum width (per a map on WikiPedia). The article mentioned above quotes the minimum documented fetch for lake-effect to occur as 40 km (25 miles), sighting Lake Tahoe, Nevada, from which lake-effect snow has been observed. ("Fetch" is the length of water over which the cold air can flow before hitting land). Wikipedia claims that the maximum length of Lake Tahoe is 35 km (22 miles) but close enough. So, in theory it is possible. Only one lone post I could find on Google claims that it did happen, in December 2003. The author of the site has no valid contact information and all attempts to contact him have failed. An email inquiring about the possibility of Lake-Effect snow on Lake Ponchartrain that I sent to the NWS office in New Orleans earlier this month has gone unanswered. So for the moment I'm calling this one "Plausible" (but unproven).
Posted on 1/2/18 at 2:45 pm to TDsngumbo
We're getting there...
Posted on 1/2/18 at 2:48 pm to TDsngumbo
quote:
Actually, it is. Here's a quote taken from the link I posted earlier in the thread in regards to lake-effect snow on Lake Pontchartrain.
Fair enough, it's possible. Getting a good cold dry wind out of the W/SW isn't likely to happen. You'd need both for lake effect. Point taken though, I can accept plausable.
Posted on 1/2/18 at 2:48 pm to GEAUXmedic
Even if this go-around isn’t hitting the ground, is it helping to moisten the atmosphere to set the stage for tonight?
Posted on 1/2/18 at 2:51 pm to slackster
I saw that on the HRRR but it is really overshooting our dewpoints here. It has a 2pm dewpoint of 22, but observations are only in the teens across Houston. It will have to get moist here quick (twss).
Posted on 1/2/18 at 2:56 pm to LSUJuice
quote:
It will have to get moist here quick (twss).
Posted on 1/2/18 at 2:57 pm to Duke
For the record, I still
when thinking about it though. Posted on 1/2/18 at 2:58 pm to LSUJuice
Well, I came home to a geyser under my house. The water line to a toilet froze. Sometimes you take all the precautions and you're still fricked. Water is cut off now and I'll be staying elsewhere for a few days.
Posted on 1/2/18 at 3:05 pm to Jim Rockford
Damn, sorry to hear that Jim! Do you have good insurance?
Posted on 1/2/18 at 3:16 pm to TDsngumbo
Meanwhile, winter storm warnings now issued for the big bend of Florida, through south Georgia into coastal Carolina.
Posted on 1/2/18 at 3:29 pm to TDsngumbo
quote:
Damn, sorry to hear that Jim! Do you have good insurance?
I'll probably just pay out of pocket. Shouldn't be more than a couple of hundred. No water damage inside.
Posted on 1/2/18 at 4:00 pm to LSUJuice
quote:
I saw that on the HRRR but it is really overshooting our dewpoints here. It has a 2pm dewpoint of 22, but observations are only in the teens across Houston. It will have to get moist here quick (twss).
I'm starting to think the HRRR has the right idea. Reports of a little freezing mist near Austin trickling in (not forecast). Houston area should get a little snow as things stand currently.
Posted on 1/2/18 at 4:02 pm to Duke
It's colder in Louisiana than much of Coastal Alaska
Posted on 1/2/18 at 4:06 pm to RogerTheShrubber
You sure as hell welcome to have all this cold weather. Sucks being so cold and NO snow. 
Sucks being so cold and NO snow. Posted on 1/2/18 at 4:07 pm to RogerTheShrubber
quote:
It's colder in Louisiana than much of Coastal Alaska
Don't read that much in January. It does seem to happen that way though. Alaska is warmer than normal when we get our big cold for the year.
Haven't broken 40 in the New Year in South Louisiana.
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