What's that tap tap tapping on the roof? It's hail. Thank goodness the car's in the garage. The storm didn't last very long, and the ice balls were only the size of peas.
Hail is formed through a sort-of roller coaster ride through intense thunderstorms. Strong air currents lift small ice pellets high into the middle and upper portions of a cumulonimbus cloud. This is where super-cooled water droplets collide and the ice pellet grows through a process called accretion. Once the pellet is too heavy for the updrafts to keep it airborne, it begins to fall, and if it does not melt completely before reaching ground level, it comes out as hail. A little internet research enlightened me that hail can be classified into three stages of development, Grauple, Small Hail, and Hailstones.Grauple are soft snowflake-like stuctures that bounce off hard surfaces. We usually call it snow pellets.
Small hail: Has a higher density than grauple, and are usually semitransparent and rounded, with diameters up to 1/5 inch. They consist partly of liquid water and sometimes have a frozen outer shell. Graupel transforms into small hail by the liquid water taken in through air capillaries in the ice framework.
Hailstones: Round stones of ice, with layers that look like an onion. Layers are formed during the stones and rise and fall within the storm cloud. During the a decent, the outer layer of ice melts slightly, and then re-freezes when updrafts carry the hail back up into freezing temperatures. The more clear the hailstone is, the slower the freezing process. The more opaque (milky) the hailstone is, the faster the freezing process.
Our little pea-sized pellets are pikers compared to the Largest Hailstone Ever Reported:
September 3rd, 1970 Coffeyville, KS 1.67 lbs, 17.5 in in circumference, 5.5in in diameter
(about the size of a softball.)
September 3rd, 1970 Coffeyville, KS 1.67 lbs, 17.5 in in circumference, 5.5in in diameter
(about the size of a softball.)


This will not do, either, because when the eggs hatch, Mom gets all protectivy and swoops and hollers at anything coming close. Again, not workable for the Postal Service, so I removed the nest beginnings.

When leaving clippings on the lawn, adjust your lawn mower to remove no more than one third (1/3) of the grass leaf surface at any one mowing. We're at the 2" height on grass right now, but as the summer comes on, we'll go up to 3" because it's healthier for the lawn.

There are thousands of them, and if you go to 





And check out how "youthful" the couple in the ad are. I hope we become like them.





Here's the spreader loaded for bear.





The plan was to fly by the Comet P/Wild 2 at a relatively slow 6 km/sec (about 6 times the speed of a rifle bullet,) and capture comet dust within a sticky substance called aerogel. January 2, 2004 the successful flyby of the 3 mile diameter comet took place.
Then the return capsule was jettisoned back to earth, where it landed in the Utah desert in the early morning hours of January 15, 2006. The rest of Stardust still roams outer space.







