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February 24,2015: Fallstreak hole cloud formation
Over Spokane a few days ago, there appeared a strange formation in the sky...
A fallstreak hole or "hole punch" cloud is where... aw, let Wikipedia tell you:
| ...is a large circular or elliptical gap that can appear in cirrocumulus or altocumulus clouds. Such holes are formed when the water temperature in the clouds is below freezing but the water has not frozen yet due to the lack of ice nucleation particles (see supercooled water). When ice crystals do form it will set off a domino effect, due to the Bergeron process, causing the water droplets around the crystals to evaporate: this leaves a large, often circular, hole in the cloud. |
This also happened in Western Canada and was marvelously photogenic, so everyone went out and took pictures of it.
By nightfall, the light caused the cloud-below-clouds formation to cast shadows ABOVE itself, which must have freaked everyone out.
BigV Tuesday Feb 24 06:03 PM
so very pretty!!!!
thanks!
Gravdigr Thursday Feb 26 05:18 PM
That last pic is like some giant dude's mohawk decided to fly away on its own.
lumberjim Thursday Feb 26 08:53 PM
SATAN IS COMING FOR US
xoxoxoBruce Thursday Feb 26 09:00 PM
Nope, I gave him your address in trade for 20 minutes head start. Sorry. 
BigV Thursday Feb 26 10:36 PM
LOL!
Gravdigr Friday Feb 27 03:00 PM
You'll notice he didn't say "y'all"...
busterb Friday Feb 27 07:53 PM
Cloud 'holes' spotted over Miss., La., Ala. Photo from Bay ST. Louis.MS.
DanaC Friday Feb 27 08:16 PM
Zuul!
lumberjim Friday Feb 27 08:20 PM
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Originally Posted by xoxoxoBruce
Nope, I gave him your address in trade for 20 minutes head start. Sorry.
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xoxoxoBruce Friday Feb 27 11:35 PM
I was talking to the advance scout, had it been SATAN,(or Santa), there would have been no bargaining. 
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