Severe Storm Getting Interesting Now

Thursday, August 11, 2016


On the move again, staying south and east of the storm. The image above looks north from 32nd Avenue (W26) in eastern Benton County, Iowa, about .3-mile south of 69th Street and 1.3 miles northwest of the town of Atkins. Time is 6:13 pm CDT, Thursday, August 4, 2016. The turbulent line of storms seen in the background now feature several funnel "wannabes."


A right turn (east) onto 69th Avenue one minute later and looking north. Storm direction is toward the right background.


A quick stop and observation .75-mile later along 69th Avenue. Time 6:17 pm. Nikon D7200 DSLR camera.


Radar screen capture for 6:15 pm. Target icon is my position relative to the storm. White arrow is my camera's line of sight to the most intense area--located about 15 miles distant near Urbana, Iowa. Black arrows indicate storm movement.

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More From 70th Street

Wednesday, August 10, 2016



More severe storm images from 70th Street (County Road 199), about .2-mile west of 30th Avenue in eastern Benton, County, Iowa. Top image captured at 6:02 pm CDT, Thursday, August 4, 2016, bottom at 6:04 pm. Nikon D7200 DSLR camera.


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Next Spot Stop--With CGs

Tuesday, August 9, 2016


Spotting stop number three- this time at 70th Street (County Road 199), about .2-mile west of 30th Avenue in eastern Benton County, Iowa. Time was just after 6:00 pm CDT, Thursday, August 4, 2016. The above image is a panorama of the storm's elongated base, with the image stretching from the west sky (left) to the north.


Closer view of the northern portion of the storm's base at the same time. Inside the shelf cloud is high precipitation--and lightning.


This video frame screen capture (above) shows dangerous CG lightning emanating from the storm. There was limited if any lightning activity over my head, but I took no chances and conducted my photography crouched in a low profile. The most intense part of the storm at this moment was about 20 miles to the northwest, in the Vinton area, as illustrated in the radar screen capture image below. Black arrows show storm movement, white arrow my camera's line of sight toward the storm and the target icon my spotting position. Nikon D7200 DSLR camera.


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Movin' On North

Monday, August 8, 2016



After spotting the approaching severe storm cell from 30th Avenue near US Highway 30 in SE Benton County, Iowa for about 15 minutes, it was time to pack up and continue north on 30th Avenue to stay with the storm, which was exhibiting a slight northeast track. The cell, part of an advancing cold front, was being energized by gobbling up the 84 degree temps, 79 degree dew points and 84% humidities in front of it. The above image, captured at 5:45 pm CDT, Thursday, August 4, 2016,  shows my next brief spotting position from the driveway of a cellphone tower site, a quarter mile north of US30. The image looks west at the churning midsection of the storm, now about 19 miles distant.


Looking northwest at the leading edge of the storm from this spot a minute later. The base (behind the left and middle tree) is showing a striated appearance.


5:52 pm. On the move again north on 30th Avenue, .4-mile north of County Road E44 and about 2.1 west of Atkins, Iowa. The most intense part of the storm is now located about 13 miles to the northwest, or just southeast of the town of Garrison. Base striation very evident now. Nikon D7200 DSLR camera.

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Dug In And Waiting

Sunday, August 7, 2016



I opted to pull off US Highway 30 at 30th Avenue in southeast Benton County, Iowa before the advance of the severe cell located at the moment about 25 miles to the WNW in the Vining area. Time was before 5:30 pm CDT, Thursday, August 4, 2016. I chose the less traveled gravel section of 30th Avenue, north of US 30, to set up and wait for the storm's arrival. For a short time I considered repositioning south of the cell for a possible more advantages spot, but the cell's slight northeasterly track made me realize I was good where I was at, and even later made the decision to move north. The above image was captured at 5:28 pm from 30th Avenue about .1-mile north of US 30 and looks west. The wispy edge of the cell's anvil is apparent.



Landscape version of the scene one minute later. Nikon D7200 DSLR camera.


Radar screen capture of 5:30 pm. Black arrows indicate storm's track, target icon my spotting
position.

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Photogenic Severe Weather Event In A Dry Year

Saturday, August 6, 2016


The year 2016 has not been kind for spotters/chasers in Eastern Iowa. With a few exceptions, storms have either fizzled out or completely passed us by. Thursday, August 4 was different. A small area of storms just east of Ames/Des Moines began to organize around 4:00 pm CDT, and began to move east. Severe Thunderstorm Watch 433 was issued at 4:45 pm CDT, and at about that time I decided to head out and meet the oncoming storm which was quickly growing and soon became severe-warned. Above is how the cell appeared from US Highway 30 at 5:16 pm, just west of Cedar Rapids. The cell's location at this time was about 38 miles distant in the Tama, Iowa area. Photograph was shot through my vehicle's windshield.


5:19 pm. I am about .2-mile east of 32nd Avenue on US 30 and about 2 miles south of Atkins, Iowa. The most intense area of the storm is now about 33 miles away. Note how the cell's anvil is beginning to cover the sun disk.


5:21 pm. The sun is about to be swallowed by the storm cell's anvil. I am now about .15-mile east of 30th Avenue on US 30, about 7 miles west of Cedar Rapids. The storm is about 30 miles distant, just east of the Tama area.


5:25 pm. Parked on 30th Avenue, just a tenth-mile north of US 30 and outside my car. This panorama image looks west, and the sun has now completely disappeared behind the severe storm's structure. The storm is 27 miles distant, in the Vining, Iowa area. Nikon D7200 DSLR camera.


This radar screen capture corresponds to 5:15 pm (very top photo). Target icon shown just west of Cedar Rapids on the map pinpoints my position and movement in relation to the storm at that moment.


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Severe Weather In Delaware County Iowa July 23

Sunday, July 24, 2016



I had once before spotted at this location (June 12, 2013), with good results. With severe weather approaching this spot at 255th Street (D34) at Highway 13 in Delaware County, Iowa, the camera looks northwest over tall corn at 3:30 pm CDT, Saturday, July 23, 2016. Shortly after this capture, tornado warnings were issued for the area.


Although the radar storm track showed a tornado-warned path heading close to my 255th Street position, more promising stormy skies toward the northwest prompted me to pack up my gear and move toward Manchester, Iowa, a little over 2 miles to the north. The brief repositioned spotting location seen above shows an area of interest in the southwest sky. Location was alongside 210th Street at 145th Avenue, about 2 miles west of Manchester. Time was 3:56 pm.


Further repositioning after following the area of interest. This image, captured at 4:02 pm at the intersection of 140th Avenue and 230th Street, looks south about 2.5 miles southwest of Manchester. Tornado warnings continued on my weather radio.


Inching forward (south) about a half-mile, I watched the most intense area of this storm move away (toward the southeast, background right). Time was 4:07 pm. It was at this point when heavy rains with high wind speeds began to arrive. I was fearful I might be caught in a flash flood situation on the gravel road, so I hastily retreated the way I had come.


It was too late to avoid the rain and wind. Blinding rain and winds I estimated at 60-70 mph caused my vehicle to fishtail as I inched forward on the gravel surface. I was especially fearful of being blown off the road at the highly-exposed US Highway 20 overpass (seen above). After waiting out the storm at the corner of 140th Avenue and 220th Street shortly thereafter, the rain and wind finally died down some 15 minutes later, allowing me to head for home. Nikon D7200 DSLR camera.

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