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Wilmington, Ohio

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April 29, 2014
Severe Weather - Damaging Thunderstorm Winds


An area of strong to severe winds associated with a cluster of showers and thunderstorms moved from northern Kentucky to central Ohio during the late afternoon and evening of April 29, 2014. A small bow echo became evident in radar reflectivity with the corridor of strongest winds as the storms traveled northeast.


Reflectivity Loop
(~7 MB)
Length: Approximately 5:20-8:30 PM
There are several interesting things to note in this radar imagery:
  • Initially the reflectivity values are fairly weak (more greens and yellows). However, the atmosphere was conducive to strong thunderstorm downdrafts.
  • There is an eastward transfer of the strongest storms over southwest Ohio. This occurred as the thunderstorm cold pool organized and tracked toward a region of higher downdraft instability. Afterward, a more pronounced "bowing" structure develops.
  • An outflow boundary from previous rains existed over the Scioto Valley. As the existing bow intersected this boundary, it strengthened, and new storms fired instantly along the colliding boundaries in Franklin, Pickaway, and Ross Counties. While severe weather was not produced southeast of the existing bow, heavy rainfall occurred as strong thunderstorm updrafts developed.

Event Photos:
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Storm Map - Plotted Locations are Preliminary and Approximate

NOTE: Marker locations are approximate and are not accurate to street level
LOCAL STORM REPORTS:
Tornado Hail Thunderstorm Wind Gust Thunderstorm Wind Damage
Flood Flash Flood Non-Thunderstorm Wind Gust Non-Thunderstorm Wind Damage
Other Report  

REPORTS WITH PHOTOS:
Tornado Hail Thunderstorm Wind Gust Thunderstorm Wind Damage
Flood Flash Flood Non-Thunderstorm Wind Gust Non-Thunderstorm Wind Damage
Other Report  

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National Weather Service
Wilmington Ohio Weather Forecast Office
1901 South State Route 134
Wilmington, OH 45177
Tel: (937) 383-0031
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Page last modified: May 1, 2014.
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