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NOUS46 KLOX 230405
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Public Information Statement
National Weather Service Los Angeles/Oxnard CA
905 PM PDT Wed Mar 22 2023

...NWS Damage Survey Assessment for 3/22/2023 Montebello Tornado...

...Strongest Tornado to Impact Los Angeles Metro area since 
March 1983... 

.Overview...A small tornado briefly touched down in an 
industrial park and warehouse district in Montebello in the late 
morning hours of Wednesday, March 22, 2023. Seventeen structures 
were damaged, eleven significantly. A tree was uprooted and a power 
pole was snapped with the transformer ripped off.

.Montebello Tornado...

Rating:                     EF1
Estimated Peak Wind:        110 mph
Date:                       03/22/2023
Start Time:                 11:14 AM PDT 
End Time:                   11:17 AM PDT
Location:                   Montebello / Los Angeles County / CA
Path Origination Lat/Lon:   33.994 / -118.130 
Path End Lat/Lon:           33.996 / -118.122 
Path length:                0.42 mile 
Path width:                 50 yards 
Time on ground:             2-3 minutes 
Injuries:                   1

Damage Assessment:      

The tornado primarily impacted an industrial warehouse/commercial 
business district. Warehouse roofing material consisted of wood 
frame structure with plywood and roofing material collapsed. Almost 
a total roof collapse occurred in one building. An HVAC unit was 
ejected from the top of the building. Skylights were broken.  Wood 
cross beams collapsed. A power pole was snapped with a transformer 
blown off. Cars were damaged with windows destroyed. A healthy pine 
tree with a trunk diameter of one foot was uprooted. Seventeen 
structures were damaged and eleven structure had significant damage 
(red-tagged).

&&

EF Scale: The Enhanced Fujita Scale classifies tornadoes into the
following categories:

EF0...Weak......65 to 85 mph
EF1...Weak......86 to 110 mph
EF2...Strong....111 to 135 mph
EF3...Strong....136 to 165 mph
EF4...Violent...166 to 200 mph
EF5...Violent...>200 mph

NOTE:
The information in this statement is preliminary and subject to
change pending final review of the events and publication in
NWS Storm Data.

The NWS Staff wishes to thank all of our partners for all of there 
help in accomplishing the damage surveys and we value their 
partnerships.

$$

Hall/Cohen/Boldt/Phillips