Overview
A powerful low pressure system approached Kansas on Friday April 29th allowing a sharp dryline to track to generally along Interstate 135. Storms first developed across central and northeast Kansas near the warm front, but as the early evening hours continued, a couple storms fired just east of Wichita. One of these storms produced a strong tornado across the east side of Andover, causing extensive damage. This tornado was eventually rated an EF-3. This same storm produced numerous additional tornadoes as it tracked east.
Picture by Mike Umscheid (@mikeumsc)
Tornadoes:
Preliminary info for Andover Tornado
Track Map
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Tornado - Rosalia
Track Map Downloadable KMZ File
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Tornado - 4 N of Tampa
Track Map Downloadable KMZ File
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Tornado - 3 SSE of Durham
Track Map Downloadable KMZ File
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Tornado - 2 SW of Lehigh
Track Map Downloadable KMZ File |
Tornado - 1 NW of Hillsboro
Track Map Downloadable KMZ File |
Greenwood County Tornado
Track Map Downloadable KMZ File
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
Photos & Video
Andover tornado
Picture by Mike Umscheid (@mikeumsc) |
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Rosalia Tornado
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Additional Pictures
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Line of storms as it passed over McPherson. Picture by James Mickley | Brief tornado in Marion county. Picture by Bryce Kintigh |
Radar
Andover & Rosalia supercell
Radar animation from the Andover tornado | Radar animation of the tornado near Rosalia |
Radar shot of the Andover tornado | Radar shot of the Rosalia tornado |
Marion county tornadoes
Radar around the time of tornado southeast of Durham | Storm relative velocity around the time of the tornado southeast of Durham | Radar around the time of a tornado south of Lehigh | Storm relative velocity around the time of a tornado south of Lehigh |
Environment
500mb chart from 00z on April 30th | 300mb chart from 00z on April 30th | 18z surface map |
20z surface map | 21z ML CAPE | 20z 300mb chart |
21z effective bulk shear |
Visible satellite animation ending around 21z.
Additional Information (coming soon)
Map showing the most notable tornadoes to affect the Wichita area
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