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Public Information Statement

Statement as of 11:08 PM CDT on June 28, 2016


... June 22 2016 tornado event summary...

NWS ground survey data combined with aerial photography,
satellite imagery, and reports from trained storm spotters have
helped to preliminarily determine that a dozen tornadoes occurred
across the NWS Chicago County Warning Area on Wednesday June 22.
Data is continuing to be analyzed with a final tornado count
expected later this week.

In addition, three tornadoes occurred across the NWS Quad Cities
County Warning Area on June 22, making the total tornado count
for northern Illinois at 15.

The strongest tornadoes occurred just north of Marseilles and
Seneca in LaSalle County, and in Pontiac in Livingston County.

Detailed breakdowns of each tornado can be found below.


.West Brooklyn tornado...

Rating: EF-1
estimated peak wind: 110 mph
path length /statute/: 4.1 miles
path width /maximum/: 300 yards
fatalities: 0
injuries: 0

Start date: June 22, 2016
start time: 7:19 PM
start location: 1.1 miles northwest of West Brooklyn
start lat/lon: 41.6989 / -89.1684

End date: June 22, 2016
end time: 7:35 PM
end location: 2.6 miles east-northeast of West Brooklyn
end_lat/lon: 41.7012 / -89.0972


.West Brooklyn satellite tornado...

Rating: EF-0
estimated peak wind: 70 mph
path length /statute/: 0.1 miles
path width /maximum/: 50 yards
fatalities: 0
injuries: 0

Start date: June 22, 2016
start time: 7:31 PM
start location: 1.7 miles northeast of West Brooklyn
start lat/lon: 41.7134 / -89.1286

End date: June 22, 2016
end time: 7:32 PM
end location: 1.8 miles northeast of West Brooklyn
end_lat/lon: 41.7133 / -89.1261


.Earlville tornado...

Rating: EF-1
estimated peak wind: 110 mph
path length /statute/: 4.3 miles
path width /maximum/: 400 yards
fatalities: 0
injuries: 0

Start date: June 22 2016
start time: 759 PM CDT
start location: 0.7 miles northeast of Earlville
start lat/lon: 41.5960 / -88.9176

End date: June 22 2016
end time: 809 PM CDT
end location: 4.6 miles east-southeast of Earlville
end_lat/lon: 41.5691 / -88.8431


.Northeast of Earlville tornado...

Rating: EF-1
estimated peak wind: 95 mph
path length /statute/: 1.2 miles
path width /maximum/: 250 yards
fatalities: 0
injuries: 0

Start date: June 22 2016
start time: 802 PM CDT
start location: 2.1 miles northeast of Earlville
start lat/lon: 41.6152 / -88.9040

End date: June 22 2016
end time: 807 PM CDT
end location: 1.9 miles east-northeast of Earlville
end_lat/lon: 41.6013 / -88.8937


.Troy Grove tornado...

Rating: EF-1
estimated peak wind: 107 mph
path length /statute/: 0.5 miles
path width /maximum/: 50 yards
fatalities: 0
injuries: 0

Start date: June 22 2016
start time: 811 PM CDT
start location: Troy Grove
start lat/lon: 41.4641 / -89.0885

End date: June 22 2016
end time: 812 PM CDT
end location: Troy Grove
end_lat/lon: 41.4644 / -89.0792


.Sheridan area tornado...

Rating: EF-1
estimated peak wind: 110 mph
path length /statute/: 1.7 miles
path width /maximum/: 250 yards
fatalities: 0
injuries: 0

Start date: June 22 2016
start time: 822 PM CDT
start location: 5 miles northwest Sheridan
start lat/lon: 41.5630 / -88.7753

End date: June 22 2016
end time: 827 PM CDT
end location: 3 miles northwest Sheridan
end_lat/lon: 41.5656 / -88.7424


.Northwest of Ottawa tornado...

Rating: EF-1
estimated peak wind: 95 mph
path length /statute/: 0.5 miles
path width /maximum/: 50 yards
fatalities: 0
injuries: 0

Start date: June 22 2016
start time: 832 PM CDT
start location: 5.5 miles northwest of Ottawa
start lat/lon: 41.4140 / -88.9084

End date: June 22 2016
end time: 833 PM CDT
end location: 5.2 miles northwest of Ottawa
end_lat/lon: 41.4112 / -88.9005


.Dayton / north of Ottawa tornado...

Rating: EF-1
estimated peak wind: 90 mph
path length /statute/: 6.7 miles
path width /maximum/: 100 yards
fatalities: 0
injuries: 0

Start date: June 22, 2016
start time: 839 PM CDT
start location: 6.6 miles north of Ottawa
start lat/lon: 41.4402 / -88.8712

End date: June 22 2016
end time: 853 PM CDT
end location: 9.1 miles northeast of Ottawa
end_lat/lon: 41.3812 / -88.7732


.Marseilles / Seneca tornado...

Rating: EF-2
estimated peak wind: 116 mph
path length /statute/: 8.1 miles
path width /maximum/: 300 yards
fatalities: 0
injuries: 0

Start date: June 22 2016
start time: 853 PM CDT
start location: 2.5 miles north of Marseilles
start lat/lon: 41.3669 / -88.7100

End date: June 22 2016
end time: 915 PM CDT
end location: 2.6 miles northeast of Seneca
end_lat/lon: 41.3303 / -88.5632


.Mazon tornado...

Rating: EF-0
estimated peak wind: 85 mph
path length /statute/: 1 mile
path width /maximum/: 100 yards
fatalities: 0
injuries: 0

Start date: June 22 2016
start time: 929 PM CDT
start location: 3.1 miles northeast of Mazon
start lat/lon: 41.266 / -88.3734

End date: June 22 2016
end time: 936 PM CDT
end location: 3.8 miles northeast of Mazon
end_lat/lon: 41.2674 / -88.3601


.Pontiac tornado...

Rating: EF-2
estimated peak wind: 115-125 mph
path length /statute/: 11.1 miles
path width /maximum/: 440 yards
fatalities: 0
injuries: 4

Start date: June 22, 2016
start time: 1006 PM CDT
start location: 8 miles northwest of Pontiac
start lat/lon: 40.9183 / -88.7776

End date: June 22, 2016
end time: 1024 PM CDT
end location: 3 miles southeast of Pontiac
end_lat/lon: 40.8485 / -88.5857


.Cissna Park tornado...

Rating: EF-1
estimated peak wind: 110 mph
path length /statute/: 3.1 miles
path width /maximum/: 440 yards
fatalities: 0
injuries: 0

Start date: June 22, 2016
start time: 1137 PM CDT
start location: 1.6 miles north Cissna Park
start lat/lon: 40.5867 / -87.9016

End date: June 22, 2016
end time: 1141 PM CDT
end location: 2.0 miles southeast of Cissna Park
end_lat/lon: 40.5586 / -87.8575

---------------------------------------------------------------

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 not yet final and subject to
change pending final review of the event and publication in NWS
storm data.

Thank you to our NWS counterparts from the office in Lincoln, IL
for assisting with the survey. Also thank you to the cival air
patrol for conducting several flights over the damage paths, which
provided extremely valuable data in confirming and finalizing
tornado paths.


Weather Severe Map
Alaska - Special Statement , Record Report
Arizona - Air Quality Alert
California - Heat Advisory , Beach Hazard Statement
Colorado - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Severe Thunderstorm Warning , Flash Flood Watch , Special Statement
Connecticut - Air Quality Alert
Florida - Areal Flood Advisory
Georgia - Areal Flood Warning , Areal Flood Advisory , Air Quality Alert
Illinois - Beach Hazard Statement , Public Information Statement
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Kansas - Severe Thunderstorm Watch , Severe Thunderstorm Watch , Flash Flood Watch , Special Statement
Louisiana - Flood Warning
Nebraska - Flood Warning , Flash Flood Watch , Special Statement
New York - Air Quality Alert
Ohio - Beach Hazard Statement
Pennsylvania - Beach Hazard Statement , Record Report
Rhode Island - Air Quality Alert
Texas - Severe Thunderstorm Watch , Severe Thunderstorm Watch , Flood Warning , Air Quality Alert , Record Report , Public Information Statement
Utah - Fire Weather Warning , Record Report
Virginia - Areal Flood Warning
Wyoming - Record Report

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