Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Overview

An EF-0 tornado occurred in Freeborn County Minnesota on Memorial Day May 27th 2019. The tornado touched down and dissipated in Glenville, which is located southeast of Albert Lea. Approximately 100 trees were snapped or damaged, with a tree falling on a small fence.

Tree Damage

Tornado
Photos
Radar
Environment

Tornadoes:

Tornado - Glenville
Freeborn County

Date	May 27, 2019
Time (Local)	12:07pm-12:08pm
EF Rating	EF-0
Est. Peak Winds	85 MPH
Path Length	0.61 Miles
Max Width	50 Yards
Injuries/Deaths	0
Summary: The tornado touched down on the northern side of Glenville and tracked north-northwest. It only lasted for about a minute, with a path of lesss than a mile and a max width of 50 yards. No structural damage was observed.

Track Map

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


Tree damage in an open field.	Tree damage near the field.

Radar


Radar Images at 12:04pm Local Time	Radar Images at 12:07pm Local Time	Radar Images at 12:10pm Local Time

Environment

An upper level Low was pushing through the region, with easterly winds at the surface at the time of the tornado. We had a small bit of instability in the southern part of the state.


Surface Analysis at 12pm	MLCAPE and CIN at 12pm

With very strong Storm Relative Helicity values at 0-1km and LCL heights of less than 1500 feet, the circulation was able to become a tornado despite no other indications of a storm being in the area. No lightning or hail was seen with this storm.


Storm Relative Helicity from 0-1km at 12pm	Lifting Condesation Level Height at 12pm

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Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

Memorial Day May 27, 2019 Freeborn County Minnesota Tornado