Dry corn vegetation debris is caught in midair above a row of stalks in front of a sky dotted with cumulus humilis clouds around 1:56 PM, Sunday, October 9, 2011. This view looks east from along the Boyson Park trail in Marion, Iowa, about .25 mile south of Boyson Road and about .6 mile west of Alburnett Road. Unseasonably warm temperatures (lower 80s) and breezy conditions persisted here in a dominant high pressure system in the midwest.
Light from a mobile floodlight plays across the bottom of this image in Bowman Woods Park in Cedar Rapids, Iowa around 8:12 PM, Wednesday, October 5, 2011. The floodlight was being used to illuminate a soccer field in the direction of the right side of the picture. The bright star at lower right is the -0.07 magnitude Arcturus, in the constellation Bootes. A half-moon (toward the left) washed out a great number of fainter stars. This was a 17-second exposure at f/5, 500 ISO and an 18mm focal length.
Clear skies, dry conditions and mild temperatures (53 degrees) produced this photo-stacked image of the eastern sky from 9:33-9:45 PM, Monday, October 3, 2011. The image is a product of three four-minute exposures. The bright object just above the roof (left center) here on Brentwood Drive NE in Cedar Rapids, Iowa is the -2.85 magnitude planet Jupiter. Settings to achieve this picture included an f/3.5 aperture, 200 ISO and 18mm focal length. The two bright streaks at upper left are the stars Almach (left) and Mirach in the constellation Andromeda.
A group of Iowa State University meteorology students observe the approach of a forming wall cloud (background left) from 210th Street, about one mile west of Ute, Iowa just after 7:00 PM, Saturday, April 9, 2011. The storm chasers were using this position as a storm initiation vantage point. They are, from left: Ethan Milius, Ryan Alliss, Bryce Link, Tristan Morath, Nick Carletta, Sam Schreier and Tyler Roney (I was part of car #1 at left). This view looks southwest and the storm's movement was left to right in the image. About 15 minutes later a tornado from the wall cloud touched down and would arrive at the town of Mapleton as an EF3 around 7:30. Note the airborne pieces of corn vegetation near the utility pole at right center. The high inflow winds were causing the power lines to whine, causing all of us to wonder if it was the sound of a tornado.
Unlike the higher ground of the bordering residential areas in the foreground, a white coating of frost covers the ground in the lower lying areas of Bowman Woods Park (background) in Cedar Rapids, Iowa around 7:50 AM, Sunday, October 2, 2011. Clear skies, light winds and temperatures in the lower 30s created this effect.
The sun peeks over the horizon in this view looking east along Boyson Road from Doubletree Road NE in Cedar Rapids, Iowa around 7:12 AM, Saturday, October 1, 2011. The short streaks in the sky at left center are aircraft contrails.
Faint zodiacal light (center) competes weakly with artificial light from the horizon in this view looking east from Echo Hill Presbyterian Church in Marion, Iowa around 4:53 AM, Friday, September 30, 2011. Zodiacal light, also known as "false dawn," is the product of sunlight reflected off meteoroid dust particles in the ecliptic plane. At upper right in the image is the bright (1.30 magnitude) planet Mars, located just right and above M44--the Beehive Cluster. At center lower is the "head" of the constellation Leo the Lion. Located about 10 degrees above the horizon at center is the brightest star in Leo--Regulus--shining at a nearly identical magnitude to Mars. This image is a 15-second exposure at f/3.5, 800 ISO and 18mm focal length.
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