Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >
Overview ***Preliminary***
During the late afternoon and evening of June 11, 2018, thunderstorms developed near the surface low pressure system over Dodge county and ahead of a cold front that moved through in eastern Nebraska and a warm front that trailed southeast into western Iowa. In-between these fronts, there appeared to be a pre-frontal boundary that was northeast of Lincoln and west of Plattsmouth. Six confirmed tornadoes, large hail to baseball size and damaging winds accompanied the storms.
Tornadoes:
Tornado #1 Near Louisville
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Tornado #2 Between Louisville/Murray North
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Tornado #3 Between Louisville/Murray South
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Tornado #4 McPaul/West of Thurman
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Tornado #5 Elk Creek
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Tornado #6 Near Steinauer/Table Rock
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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 |
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