Sunday, 20 August 2017

August 19th

Hello.

We drove from North Platte westwards to Ogallala, and waited for quite a while for a weak storm out west to amble towards us. In the end it arrived, and got a bit stronger - we found some hail close to 1 inch in diameter before the storm weakened. We then headed east and saw a huge storm to our north - it was too far away to get to, really, so we observed it at sunset looking very nice.

We are now in York, Nebraska - thunderstorms are all around at the moment.

Tomorrow we have to look closely at the cloud predictions for Monday to see what to do about the eclipse - there is a lot of uncertainty as sub-tropical moisture moves northwards towards the area, perhaps bringing quite a bit of mid and upper cloud.

A left split storm south of Ogallala, Nebraska - it produced hail 0.75 to 1 inch in diameter.

A view of the left split as it got closer.

 A monster supercell in central Nebraska - too far to intercept in the end, but it looked very cool at sunset.

Another view of the monster supercell at sunset, with a nice patch of old anvil cirrus too.

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