The rising sun (lower left) is covered by an obscuring bank of altocumulus undulatus clouds as seen from just east of the Sport Zone complex along North 18th Avenue in Hiawatha, Iowa around 7:20 AM, Thursday, September 29, 2011. Light rain arrived in this location by mid-morning and high winds by early afternoon.
Beams of light are created from a streetlamp on Brentwood Drive NE in Cedar Rapids, Iowa amid foggy conditions around 3:35 AM, Wednesday, September 28, 2011. The fog was preceded here by rain showers. Fog is common in the months of September and October with the combination of longer nights and lingering summer moisture. Fog is basically a cloud that forms on the ground as the temperature falls to the dew point, the relative humidity reaches 100% and the air becomes saturated. This image was created from a 6.5-second exposure at f/10 with an ISO of 800, and the view looks south.
Debris from farmland churns under the funnel of an EF3 tornado seen about ten minutes after its formation in western Iowa around 7:25 PM, Saturday, April 9, 2011. This view looks northwest from Sumac Avenue, about 7 miles southeast of Mapleton. The town of Mapleton would bear the brunt of the twister minutes later, damaging about 60% of the town. This was my first confirmed tornado ever witnessed and was the first of six or more seen on this day's storm chase, which began with a departure from Cedar Rapids in eastern Iowa about 8 hours earlier.
Storm chasers (from left) Bryce Link, Ethan Milius and Ryan Alliss observe a tornadic lowering from alongside County Highway M31, just north of its junction with County Road D54 about 7 miles south of Arthur, Iowa. Our chase team proceeded north on M31 (toward background at upper right) moments later, and the tornado became a wedge shape on the ground. A couple of miles south of Arthur the tornado would reshape as a stovepipe. The time and date here was about 8:20 PM, Saturday, April 9, 2011. This is a video frame capture illuminated by a flash of lightning.
A waning crescent moon shines
Ripples form in the underside of an altocumulus cloud as seen from Bowman Woods Park in Cedar Rapids, Iowa just after 5:00 PM, Tuesday, September 20, 2011. This view looks west from the park.
The storm chase team of Ryan Alliss, Nick Carletta, Bryce Link, Ethan Milius, Tristan Morath, Tyler Roney, Sam Schreier and yours truly observe a wall cloud from Hope Avenue (right) just north of Highway 175 (330th Street, toward foreground), about two miles east of Odebolt, Iowa. The time and date was 8:38 PM, Saturday, April 9, 2011. The clump of trees in the distant background which appears to be directly under the wall cloud (but was in fact much closer) is a farmstead about .6 mile NW of our location. The wall cloud was continuously dropping and retracting a tornado funnel as it moved in a northeasterly direction. This is a video frame capture whose image was made visible by a flash of lightning. Carletta, Link, Milius, Morath, Roney and Schreier were all Iowa State University meteorology students. Ryan Alliss had received his meteorology degree from the school the previous December.
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