Severe Thunderstorms Possible in the South Central U.S.; Wildfire Smoke Impacts in the North Central U.S.

Scattered severe thunderstorms may bring large hail and isolated damaging winds this weekend over parts of the south central U.S. Smoke from Canadian wildfires will bring air quality issues to parts of the north central U.S. this weekend. Air Quality Alerts have been issued. Read More >

Overview

An upper level low progressing across northeast Iowa produced scattered showers and thunderstorms across the upper and mid Mississippi River Valleys on the afternoon of June 26th.

Over eastern Iowa, northwest Illinois, and northeast Missouri, thunderstorms produced mainly heavy rainfall and funnel clouds. However, one thunderstorm produced a brief tornado north of Memphis, MO, which lofted an empty grain bin around 200 yards.

Radar Image (3:30 P.M.) (IEM) (Click to zoom) (Click here for Animation)

Tornado
Environment

Tornado:

Tornado - 1.3 N Memphis, MO
Scotland County

Date	06/26/2018
Time (Local)	3:26 - 3:28 pm CDT
EF Rating	EF-0
Est. Peak Winds	80 mph
Path Length	0.2 mile
Max Width	10 yards
Injuries/Deaths	0 / 0
Summary: An EF-0 briefly touched down 1.3 miles north of Memphis, MO. An empty grain bin was lofted approximately 200 yards into a pond across a small cornfield and and line of trees.

Track Map

Downloadable KMZ File

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

Environment


Figure 1: SPC Day 1 Outlook (20:00 UTC)	Figure 2: SPC Day 1 Tornado Outlook (20:00 UTC)	Figure 3: SPC Day 1 Hail Outlook (20:00 UTC)


Figure 4: SPC Day 1 Wind Outlook (20:00 UTC)	Figure 5: DVN Sounding: 6/26/18 17z	Figure 6: DVN Sounding: 6/27/18 00z

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Severe Thunderstorms Possible in the South Central U.S.; Wildfire Smoke Impacts in the North Central U.S.

Brief Tornado Touchdown Near Memphis, MO: June 26, 2018