Dangerous, long-lasting heat remains across the Mid-South to Mid-Mississippi Valley, while heat expands into the Northeast for a brief period on Friday. Strong to isolated severe thunderstorms and heavy rain pose a flash flooding threat from from the southern High Plains east to the Great Lakes. Tropical Depression 12W brings heavy rain to Guam & the Marianas through Saturday. Read More >
Overview
A strong area of low pressure lifted northeast across Iowa during the afternoon and evening of November 11, 2015. A line of strong to severe thunderstorms raced through the area at about 50 to 65 mph producing widespread damaging winds of 60-70 mph with a few 80+ mph reports. Rainfall amounts were mainly between 0.25 inches and 0.50 inches with some higher amounts up to 1.25 inches. Pea to penny sized hail was also reported.
Links to NWS Text Products are courtesy of the Iowa Environmental Mesonet.
Note: The information below is preliminary and subject to change pending final review of the event and publication in NWS Storm Data.
Tornado Statistics
Tornado #1: Le Claire, IA / Scott Co.
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Tornado #2: Geneseo, IL / Henry Co.
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Tornado #3: Arbela, MO / Scotland Co.
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Tornado #4: What Cheer, IA to North English, IA / Keokuk Co. & Iowa Co.
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Tornado #5: Osborn, IL/Rock Island Co. | Track Map | ||||||||||||||||
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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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Radar Data
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Rain Reports
Local Rainfall | Regional Rainfall |
(Created by 11am. Click to enlarge.) | (Click to enlarge.) |
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Environment
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