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Last updated on Wednesday, December 23, 2015
(INDIANAPOLIS) - The National Weather Service is warning residents to stay aware on Wednesday of a potential of multiple rounds of strong severe storms in central Indiana.
Most of the state is at risk of severe storms beginning as early as sunrise, and the threat doesn't end until near 12 a.m. on Thursday.
Record warm highs in the mid-60s and an strengthening low pressure system aid in the development in rare December severe weather setup for central Indiana Wednesday.
A greater severe threat exists near and especially south of the Ohio River where significant tornadoes are possible.
It should be noted there's a good deal of uncertainty on how much early to midday clouds, rain and storms will limit potential for later in the day. But due to extreme wind shear overriding an unseasonably moist air mass the atmosphere won't require much instability to produce wet downburst winds or a few tornadoes.
Indicators show multiple rounds of rain and storms between the hours of noon and 11 p.m. which could develop to severe criteria. Please have a way to get watches, warnings, the latest forecast and radar.
Forecasters say there have only been 16 December tornadoes in Indiana on record from 1950 to 2014. The last occurrence was an EF-0 in Decatur County during December of 2004. Eleven of the 16 December tornadoes for the state occurred on just two dates: the 1th and 21st of December 1967.
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