longjohnsadler
New member
This suddenly overtook us between Caribbean and the Azores, then disappeared. Anyone know the meteorological explanation?
Strange weather - what happened next..
- Thread starter longjohnsadler
- Start date
Sixpence
Active member
Independance day ?
longjohnsadler
New member
Spooky. Fortunately this bizarre reading was on a different day:
machurley22
New member
Nice pics. Was there associated wind?
longjohnsadler
New member
No, it all looked a bit apocalyptic but nothing much happened.
BrendanS
Well-known member
One for Simon, our friendly forum met man to comment on maybe?
Sixpence
Active member
[ QUOTE ]
Spooky. Fortunately this bizarre reading was on a different day:
[/ QUOTE ]
That would get me a tad worried , I know there's no speed limit but
Spooky. Fortunately this bizarre reading was on a different day:
[/ QUOTE ]
That would get me a tad worried , I know there's no speed limit but
grumpy_o_g
Well-known member
Well I reckon they're mammatus, so-called because of their resemblance to dangly female things. I did a quick Google to make sure I wasn't losing the plot and blow me down if Wikipaedia doesn't doesn't start talking about Gravity Waves in meteorology so I've got to go and eat humble pie in another thread about wave clouds.
As to what happens next, they're usually associated with Cumulo-Nimbus and thunder-storms so conventional wisdom is to hide in the oven from what I can gather on these forums.
Geoff
As to what happens next, they're usually associated with Cumulo-Nimbus and thunder-storms so conventional wisdom is to hide in the oven from what I can gather on these forums.
Geoff
Cruiser2B
Active member
Cold Front.
longjohnsadler
New member
I'm sure in my fifty or so years the odd cold front has passed over me, but none of them looked like that.
tome
New member
Interesting, great photos
I was watching the animated gribs and saw that there were some nasty looking areas of dense precipitation en route - but short lived. I've never seen such a menacing looking front in many years of sailing!
The worst I've experienced has been the purple sky where the wind dies to a faint whisper followed by all hell letting loose
The scene as pictured would have had me reducing sail and preparing for the wind funnel - bit more than a line squall in my book!
Glad the Mojitos took the sting out of the occasion
I was watching the animated gribs and saw that there were some nasty looking areas of dense precipitation en route - but short lived. I've never seen such a menacing looking front in many years of sailing!
The worst I've experienced has been the purple sky where the wind dies to a faint whisper followed by all hell letting loose
The scene as pictured would have had me reducing sail and preparing for the wind funnel - bit more than a line squall in my book!
Glad the Mojitos took the sting out of the occasion
machurley22
New member
I think I'd have had all sail off and cacked my trews though not neccessarily in that order.
tome
New member
Yes, may well have trewsed my cacks also in no particlar order
john_morris_uk
Well-known member
[ QUOTE ]
and blow me down if Wikipaedia doesn't doesn't start talking about Gravity Waves in meteorology
[/ QUOTE ] Just because Wiki says something is NO GAURENTEE that there is any basis in what the majority of the world's population would think of as fact...
and blow me down if Wikipaedia doesn't doesn't start talking about Gravity Waves in meteorology
[/ QUOTE ] Just because Wiki says something is NO GAURENTEE that there is any basis in what the majority of the world's population would think of as fact...
jimi
Well-known member
Bermuda triangle, did you see a strange flight of old US aircraft as well?
gandy
Active member
The boundary is the bit that looks strangest, more so than the actual clouds. Over land I'd have said it was wave, but I don't know if that could apply in the middle of an ocean. Were the cloud units moving with the wind, or forming on the spot?
Fin
New member
Yep I reckon mammatus as well. From what i can remember of my met it's "udder like protrubrances (sp) hanging from the base of a cloud" From the latin "mamma" for udder (i think!)
You only see them in a cloud with lots of vertical air movements so think Cbs or active Cu. The bigger the mammatus are the more active the cloud.
As for the straight line of cloud, it looks like a "shelf cloud" which is something that is quite common around super cells that in the States have a habit of spouting tornadoes.
The caveat is that this is off the top of my head and i can't double check it 'cause my met book is at work. Have a look on the net for mammatus, shelf cloud and supercells, there's loads of photos which may give you more clue.
Have fun!
Fin
(not getting out much)
You only see them in a cloud with lots of vertical air movements so think Cbs or active Cu. The bigger the mammatus are the more active the cloud.
As for the straight line of cloud, it looks like a "shelf cloud" which is something that is quite common around super cells that in the States have a habit of spouting tornadoes.
The caveat is that this is off the top of my head and i can't double check it 'cause my met book is at work. Have a look on the net for mammatus, shelf cloud and supercells, there's loads of photos which may give you more clue.
Have fun!
Fin
(not getting out much)
grumpy_o_g
Well-known member
Quite agree but it did reference a couple of sites that looked genuine.
Cruiser2B
Active member
Check out the pictures on wunderground (weather underground); there are some labelled "cold front" that look similar to your's. http://www.wunderground.com/wximage/view...ry=#slideanchor