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Illinois, Henderson

Severe Thunderstorm Warning

Statement as of 6:33 PM CDT on August 18, 2017

Expires 8:15 PM EDT on August 18, 2017


The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for...
northeastern Hancock County in west central Illinois...
southern Henderson County in west central Illinois...
southwestern Warren County in west central Illinois...
northwestern McDonough County in west central Illinois...
northeastern Lee County in southeastern Iowa...

* until 715 PM CDT

* at 633 PM CDT, a severe thunderstorm was located over Niota, or
near Fort Madison, moving east at 35 mph.

Hazard... 60 mph wind gusts and quarter size hail.

Source... radar indicated.

Impact... hail damage to vehicles is expected. Expect wind damage
           to roofs, siding, and trees.

* Locations impacted include...
Macomb, Fort Madison, Nauvoo, La Harpe, Dallas City, Blandinsville,
Good Hope, Terre Haute, Raritan, Sciota, Colusa, western Illinois
University, Disco, Niota, Lomax, Fountain Green, Pontoosuc, Sawyer,
Wever and Spring Lake.

Precautionary/preparedness actions...

For your protection move to an interior room on the lowest floor of a
sturdy building.


Lat... Lon 4056 9139 4074 9135 4073 9122 4071 9121
      4072 9120 4071 9118 4072 9118 4072 9116
      4070 9114 4070 9111 4072 9112 4073 9112
      4070 9062 4043 9067
time... Mot... loc 2333z 278deg 31kt 4064 9127

Hail... 1.00in
wind... 60mph


Nichols



Public Information Statement

Statement as of 11:26 AM CDT on August 18, 2017

Expires 12:30 PM EDT on August 19, 2017


... NWS damage survey for 08/16/17 tornado event...

Updated for additional tornado

.Tornado #1 - 5 WSW Freeport, IL...

Rating: EF-1
estimated peak wind: 90 mph
path length /statute/: 2.84 miles
path width /maximum/: 75 yards
fatalities: 0
injuries: 0

Start date: Aug 16 2017
start time: 721 PM CDT
start location: 5 WSW Freeport, IL / Stephenson County /IL
start lat/lon: 42.2741 / -89.7316

End date: Aug 16 2017
end time: 728 PM CDT
end location: 4 WNW Freeport, IL / Stephenson County /IL
end lat/lon: 42.3122 / -89.7134

A weak EF1 tornado tracked north northeast, damaging numerous trees.
Two homes also suffered minor damage.


.Tornado #2 - 5 WNW Freeport, IL...

Rating: EF-0
estimated peak wind: 80 mph
path length /statute/: 3.31 miles
path width /maximum/: 20 yards
fatalities: 0
injuries: 0

Start date: Aug 16 2017
start time: 728 PM CDT
start location: 5 WNW Freeport, IL / Stephenson County /IL
start lat/lon: 42.3222 / -89.7119

End date: Aug 16 2017
end time: 736 PM CDT
end location: 3 WSW Cedarville, IL / Stephenson County /IL
end lat/lon: 42.3666 / -89.6911

An EF0 tornado developed at the same time as a tornado to the south
and damaged trees on its north northeast path.


.Tornado #3 - 5 WNW Elizabeth, IL...

Rating: EF-1
estimated peak wind: 90 mph
path length /statute/: 0.54 miles
path width /maximum/: 60 yards
fatalities: 0
injuries: 0

Start date: Aug 16 2017
start time: 722 PM CDT
start location: 5 WNW Elizabeth, IL / Jo Daviess County /IL
start lat/lon: 42.3414 / -90.3187

End date: Aug 16 2017
end time: 724 PM CDT
end location: 42.3474 / -90.3118
end lat/lon: 5 WNW Elizabeth, IL / Jo Daviess County /IL

An EF1 tornado tracked northeast, causing extensive tree damage. Large
Walnut trees were uprooted and snapped off around 10 feet from the base.


Ef scale: the Enhanced Fujita scale classifies tornadoes into the
following categories based on the damage they cause.

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 event and publication in NWS
storm data.


Rp Kinney/tgp


1126 am CDT Fri Aug 18 2017

... NWS damage survey for 08/16/17 tornado event...

Updated for additional tornado

.Tornado #1 - 5 WSW Freeport, IL...

Rating: EF-1
estimated peak wind: 90 mph
path length /statute/: 2.84 miles
path width /maximum/: 75 yards
fatalities: 0
injuries: 0

Start date: Aug 16 2017
start time: 721 PM CDT
start location: 5 WSW Freeport, IL / Stephenson County /IL
start lat/lon: 42.2741 / -89.7316

End date: Aug 16 2017
end time: 728 PM CDT
end location: 4 WNW Freeport, IL / Stephenson County /IL
end lat/lon: 42.3122 / -89.7134

A weak EF1 tornado tracked north northeast, damaging numerous trees.
Two homes also suffered minor damage.


.Tornado #2 - 5 WNW Freeport, IL...

Rating: EF-0
estimated peak wind: 80 mph
path length /statute/: 3.31 miles
path width /maximum/: 20 yards
fatalities: 0
injuries: 0

Start date: Aug 16 2017
start time: 728 PM CDT
start location: 5 WNW Freeport, IL / Stephenson County /IL
start lat/lon: 42.3222 / -89.7119

End date: Aug 16 2017
end time: 736 PM CDT
end location: 3 WSW Cedarville, IL / Stephenson County /IL
end lat/lon: 42.3666 / -89.6911

An EF0 tornado developed at the same time as a tornado to the south
and damaged trees on its north northeast path.


.Tornado #3 - 5 WNW Elizabeth, IL...

Rating: EF-1
estimated peak wind: 90 mph
path length /statute/: 0.54 miles
path width /maximum/: 60 yards
fatalities: 0
injuries: 0

Start date: Aug 16 2017
start time: 722 PM CDT
start location: 5 WNW Elizabeth, IL / Jo Daviess County /IL
start lat/lon: 42.3414 / -90.3187

End date: Aug 16 2017
end time: 724 PM CDT
end location: 42.3474 / -90.3118
end lat/lon: 5 WNW Elizabeth, IL / Jo Daviess County /IL

An EF1 tornado tracked northeast, causing extensive tree damage. Large
Walnut trees were uprooted and snapped off around 10 feet from the base.


Ef scale: the Enhanced Fujita scale classifies tornadoes into the
following categories based on the damage they cause.

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 event and publication in NWS
storm data.


Rp Kinney/tgp

Weather Severe Map
Alabama - Areal Flood Advisory , Special Statement
Alaska - Areal Flood Advisory , High Surf Advisory , Record Report
Arizona - Air Quality Alert
Arkansas - Severe Thunderstorm Warning , Flood Warning , Heat Advisory , Special Statement , Record Report
California - Fire Weather Watch , Special Statement , Beach Hazard Statement , Air Quality Alert , Air Quality Alert, Special Statement , Record Report
Colorado - Public Information Statement
Connecticut - Severe Thunderstorm Watch , Flash Flood Watch , Public Information Statement
Delaware - Severe Thunderstorm Watch , Severe Thunderstorm Watch , Severe Thunderstorm Warning , Flash Flood Watch, Areal Flood Advisory
District of Columbia - Severe Thunderstorm Watch , Flash Flood Warning , Flash Flood Watch
Florida - Severe Thunderstorm Warning , Coastal Hazard Statement , Special Statement , Record Report , Public Information Statement , Public Information Statement
Georgia - Record Report
Hawaii - Special Statement , Record Report
Idaho - Fire Weather Warning
Illinois - Severe Thunderstorm Warning , Special Statement , Public Information Statement
Indiana - Air Quality Alert , Record Report
Iowa - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Special Statement , Public Information Statement
Kansas - Flash Flood Warning
Louisiana - Flood Warning , Heat Advisory , Record Report
Maine - Areal Flood Advisory
Maryland - Severe Thunderstorm Watch , Severe Thunderstorm Watch , Severe Thunderstorm Warning , Flash Flood Warning , Coastal Flood Advisory, Flash Flood Watch , Flash Flood Watch, Areal Flood Advisory , Flash Flood Watch , Coastal Flood Advisory , Special Statement
Massachusetts - Severe Thunderstorm Watch , Public Information Statement
Michigan - Beach Hazard Statement , Public Information Statement , Public Information Statement
Minnesota - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Flash Flood Warning , Public Information Statement
Mississippi - Flood Warning , Heat Advisory
Missouri - Severe Thunderstorm Warning , Flash Flood Warning , Special Statement , Public Information Statement
Montana - Fire Weather Warning , Air Quality Alert
Nebraska - Flood Warning , Public Information Statement
Nevada -
New Hampshire - Areal Flood Advisory
New Jersey - Severe Thunderstorm Watch , Severe Thunderstorm Watch , Severe Thunderstorm Warning , Areal Flood Advisory, Flash Flood Watch , Flood Watch / Flood Statement , Flash Flood Watch, Areal Flood Advisory , Flash Flood Watch , Areal Flood Advisory , Special Statement
New Mexico - Flash Flood Watch , Special Statement
New York - Severe Thunderstorm Watch , Flash Flood Watch , Areal Flood Advisory, Flash Flood Watch , Areal Flood Advisory , Beach Hazard Statement , Special Statement , Public Information Statement
North Carolina - Coastal Flood Advisory , Heat Advisory , Special Statement , Record Report , Public Information Statement
North Dakota - Fire Weather Watch
Ohio - Beach Hazard Statement , Public Information Statement , Public Information Statement
Oklahoma - Flood Warning
Oregon - Fire Weather Warning , Fire Weather Watch , Air Quality Alert
Pennsylvania - Severe Thunderstorm Watch , Severe Thunderstorm Watch , Areal Flood Advisory , Flood Watch / Flood Statement , Beach Hazard Statement
Puerto Rico - Coastal Hazard Statement
South Dakota - Public Information Statement
Tennessee - Public Information Statement , Public Information Statement
Texas - Flood Warning , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Areal Flood Advisory , Heat Advisory , Special Statement , Record Report
Vermont - Public Information Statement
Virgin Islands - Coastal Hazard Statement
Virginia - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Flash Flood Warning , Flash Flood Watch , Heat Advisory , Special Statement
Washington - Fire Weather Warning
West Virginia - Severe Thunderstorm Watch
Wisconsin - Public Information Statement
- Severe Thunderstorm Watch
- Small Craft Advisory

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