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Public Information Statement

Statement as of 2:02 PM CST on January 20, 2017

Expires 3:15 AM EST on January 21, 2017


... NWS damage survey for 01/19/17 tornado event...
... Brief spin-up tornado on the shores of Logan Martin Lake...

.Treasure Island tornado...

Rating: EF-1
estimated peak wind: 90 mph
path length (statute): 0.7 miles
path width (maximum): 175 yards
fatalities: 0
injuries: 0

Start date: Jan 19 2017
start time: 558 PM CST
start location: 2 ENE Coosa island
start lat/lon: 33.4785 / -86.3045

End date: Jan 19 2017
end time: 600 PM CST
end location: 5 SSW Pell City
end lat/lon: 33.4877 / -86.3025

Survey summary:

A persistent mesocyclone spun up a brief weak tornado within a
line of thunderstorms as it passed through St Clair County. The
tornado touched down on Logan Martin Lake just south of the
Eastern Shore of Treasure Island. The tornado tracked northward
parallel to and just off the shores of the island, with the initial
damage pointing largely offshore. Four boathouses were destroyed
and a few trees were snapped or uprooted here, but the path of the
tornado was far enough offshore so as not to cause any structural
damage to the homes another 50 to 100 feet further inland. As the
tornado continued northward across a large Cove, it remained
completely over water. As it approached the northeastern tip of
the island, which jutted out into the lake, the tornado came ashore
again and peeled metal roofing off a well-built boathouse. The
tornado reached maximum strength here, with 10 large Hardwood trees
uprooted in a concentrated area in a convergent pattern. The
tornado passed offshore again and dissipated before reaching the
opposite point on the lake.

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 event and publication in NWS
storm data.


Jd/02

202 PM CST Fri Jan 20 2017

... NWS damage survey for 01/19/17 tornado event...
... Brief spin-up tornado on the shores of Logan Martin Lake...

.Treasure Island tornado...

Rating: EF-1
estimated peak wind: 90 mph
path length (statute): 0.7 miles
path width (maximum): 175 yards
fatalities: 0
injuries: 0

Start date: Jan 19 2017
start time: 558 PM CST
start location: 2 ENE Coosa island
start lat/lon: 33.4785 / -86.3045

End date: Jan 19 2017
end time: 600 PM CST
end location: 5 SSW Pell City
end lat/lon: 33.4877 / -86.3025

Survey summary:

A persistent mesocyclone spun up a brief weak tornado within a
line of thunderstorms as it passed through St Clair County. The
tornado touched down on Logan Martin Lake just south of the
Eastern Shore of Treasure Island. The tornado tracked northward
parallel to and just off the shores of the island, with the initial
damage pointing largely offshore. Four boathouses were destroyed
and a few trees were snapped or uprooted here, but the path of the
tornado was far enough offshore so as not to cause any structural
damage to the homes another 50 to 100 feet further inland. As the
tornado continued northward across a large Cove, it remained
completely over water. As it approached the northeastern tip of
the island, which jutted out into the lake, the tornado came ashore
again and peeled metal roofing off a well-built boathouse. The
tornado reached maximum strength here, with 10 large Hardwood trees
uprooted in a concentrated area in a convergent pattern. The
tornado passed offshore again and dissipated before reaching the
opposite point on the lake.

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 event and publication in NWS
storm data.


Jd/02


202 PM CST Fri Jan 20 2017

... NWS damage survey for 01/19/17 tornado event...
... Brief spin-up tornado on the shores of Logan Martin Lake...

.Treasure Island tornado...

Rating: EF-1
estimated peak wind: 90 mph
path length (statute): 0.7 miles
path width (maximum): 175 yards
fatalities: 0
injuries: 0

Start date: Jan 19 2017
start time: 558 PM CST
start location: 2 ENE Coosa island
start lat/lon: 33.4785 / -86.3045

End date: Jan 19 2017
end time: 600 PM CST
end location: 5 SSW Pell City
end lat/lon: 33.4877 / -86.3025

Survey summary:

A persistent mesocyclone spun up a brief weak tornado within a
line of thunderstorms as it passed through St Clair County. The
tornado touched down on Logan Martin Lake just south of the
Eastern Shore of Treasure Island. The tornado tracked northward
parallel to and just off the shores of the island, with the initial
damage pointing largely offshore. Four boathouses were destroyed
and a few trees were snapped or uprooted here, but the path of the
tornado was far enough offshore so as not to cause any structural
damage to the homes another 50 to 100 feet further inland. As the
tornado continued northward across a large Cove, it remained
completely over water. As it approached the northeastern tip of
the island, which jutted out into the lake, the tornado came ashore
again and peeled metal roofing off a well-built boathouse. The
tornado reached maximum strength here, with 10 large Hardwood trees
uprooted in a concentrated area in a convergent pattern. The
tornado passed offshore again and dissipated before reaching the
opposite point on the lake.

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 event and publication in NWS
storm data.


Jd/02


Weather Severe Map
Alabama - Flood Warning , Coastal Hazard Statement , Dense Fog Advisory , Record Report
Alaska - Wind Chill Advisory , Wind Chill Warning , Record Report
Arizona - Areal Flood Advisory , Areal Flood Watch , Wind Advisory , High Wind Warning , Winter Weather Advisory , Winter Storm Warning , Public Information Statement
Arkansas - Flood Warning , Record Report
California - Flood Warning , Areal Flood Warning , High Surf Advisory, Coastal Flood Advisory , High Surf Warning, Coastal Flood Advisory , High Surf Warning , Flood Watch , High Surf Warning, Flash Flood Watch , Areal Flood Watch , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Wind Advisory , High Wind Warning , High Wind Watch , Winter Storm Warning , Winter Weather Advisory , Winter Weather Advisory, Winter Storm Watch , Winter Storm Warning, Winter Weather Advisory , Winter Weather Advisory, Winter Storm Warning , Winter Storm Watch , Hydrologic Statement , High Surf Warning , Record Report , Public Information Statement
Colorado - Winter Weather Advisory , Winter Storm Warning , Public Information Statement
Florida - Flood Warning , Coastal Hazard Statement , Dense Fog Advisory , Beach Hazard Statement , Record Report
Georgia - Special Statement , Record Report
Hawaii - High Surf Advisory , High Wind Watch
Idaho - Areal Flood Advisory , Special Statement , Air Quality Alert
Illinois - Flood Warning , Areal Flood Warning , Flood Advisory , Flood Watch , Dense Fog Advisory
Indiana - Flood Warning , Flood Advisory , Dense Fog Advisory , Special Statement , Public Information Statement
Iowa - Flood Warning , Dense Fog Advisory , Record Report
Kansas - Dense Fog Advisory , Special Statement , Record Report
Kentucky - Flood Warning , Record Report , Public Information Statement
Louisiana - Tornado Warning , Tornado Watch , Flood Warning , Areal Flood Advisory , Special Statement , Record Report
Maryland - Dense Fog Advisory
Massachusetts - Special Statement
Michigan - Flood Advisory , Dense Fog Advisory , Special Statement , Record Report
Minnesota - Winter Weather Advisory , Dense Fog Advisory , Record Report
Mississippi - Tornado Warning , Tornado Watch , Severe Thunderstorm Warning , Flood Warning , Dense Fog Advisory , Record Report
Missouri - Dense Fog Advisory , Special Statement , Record Report
Montana - Freezing Fog Advisory
Nebraska - Dense Fog Advisory , Dense Fog Advisory , Record Report
Nevada - Areal Flood Watch , Wind Advisory , Winter Weather Advisory, Winter Storm Watch , Winter Weather Advisory , Winter Storm Watch , Winter Storm Warning, Winter Weather Advisory , Winter Storm Warning , Record Report , Public Information Statement
New Mexico - High Wind Warning , Wind Advisory , Winter Weather Advisory , Winter Storm Warning , Public Information Statement
New York - Special Statement
North Carolina - Dense Fog Advisory , Special Statement , Record Report
North Dakota - Dense Fog Advisory , Special Statement
Ohio - Flood Warning , Dense Fog Advisory , Special Statement , Public Information Statement
Oregon - High Surf Warning , High Surf Advisory , High Wind Watch , High Wind Warning , Winter Weather Advisory
Pennsylvania - Dense Fog Advisory
South Carolina - Special Statement , Record Report
South Dakota - Dense Fog Advisory , Record Report
Tennessee - Record Report
Texas - Tornado Watch , Flood Warning , Areal Flood Advisory , High Wind Warning , Wind Advisory , Dense Fog Advisory , Fire Weather Watch , Special Statement , Record Report
Utah - Winter Weather Advisory , Winter Storm Warning, Winter Weather Advisory , Winter Storm Warning , Public Information Statement
Virginia - Dense Fog Advisory , Special Statement , Record Report
Washington - High Surf Advisory , Winter Weather Advisory
West Virginia - Dense Fog Advisory , Record Report
Wisconsin - Flood Warning , Flood Watch , Winter Weather Advisory , Dense Fog Advisory , Special Statement
Wyoming - Winter Storm Watch , Special Statement , Public Information Statement
- Tornado Watch

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