Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Overview

A low pressure system passing across Upper Michigan during the day allowed widespread showers to develop throughout the U.P. During the afternoon and early evening hours the clouds broke up just enough to allow some insolation, which created enough instability to create a brief tornado spin-up over northern Menominee county, near Hermansville. An interesting thing to note about this storm is that there was no lightning detected by the lightning network.

A majority of the damage remained over rural areas and was limited to forested areas; however, there was a close call as the tornado moved about 100 yards away from an individuals farm and home. The NWS storm survey team rated the tornado as an EF1, with winds estimated to be around 90 mph.

Image of the EF1 Tornado taken near Hermansville, MI. Click the image to view the video footage.

(Image and video courtesy of: Chelsea Blahnik)

Tornado
Photos & Video
Radar
Storm Reports

Tornadoes:

Tornado - Near Hermansville, MI
Menominee County

Date	8/11/2016
Time (Local)	4:31 pm - 4:40 pm CDT
EF Rating	EF1
Est. Peak Winds	90 mph
Path Length	1.25 mile
Max Width	200 yds
Injuries/Deaths	0
Summary: The tornado touched down just south of the intersection of County Roads 579 and 388 and traveled northeast for 1.25 miles, lifting as it crossed County Road 388. Numerous trees were snapped and uprooted along the path. Small farm equipment was also tossed around as it passed close to a nearby farm and home.

Track Map


0.5 Base Reflectivity 4:23 pm - 4:40 pm CDT	Correlation Coefficient 4:23 pm - 4:40 pm CDT	Storm Relative Velocity 4:23 pm -4:40 pm CDT

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

Photos & Video:

Storm Damage Photos


Various pictures of the tornado damage southwest of Hermansville, MI.

Radar:

0.5 Base Reflectivity

4:23 pm - 4:40 pm CDT

Correlation Coefficient

4:23 pm - 4:40 pm CDT

Storm Relative Velocity

4:23 pm -4:40 pm CDT

Visible Satellite Imagery

2:45 pm - 5:30 pm CDT

Storm Reports

The tornado touched down just south of the intersection of County Roads 579 and 388 and traveled northeast for 1.25 miles, lifting as it crossed County Road 388. The damage path was estimated to be 200 yards wide. Numerous trees were snapped and uprooted along the path. Small farm equipment was also tossed around as it passed close to a nearby farm and home.

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Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Menominee County Tornado August 11, 2016