Event Detection and Extraction (EDX) Explorer
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Event Detection
Data
Demonstration
The LEAF Lab
Data
Events
Data: MAVEN
Trigger word:
snowfall
Event Types (Count):
NegTrigger (24)
Motion (1)
Self_motion (1)
Negative Trigger
The
February
2009
Great
Britain
and
Ireland
snowfall
was
a
prolonged
period
of
snowfall
that
began
Process_start
on
1
February
2009
.
The
February
2009
Great
Britain
and
Ireland
snowfall
was
a
prolonged
period
of
snowfall
that
began
Process_start
on
1
February
2009
.
Some
areas
experienced
Perception_active
their
largest
snowfall
levels
in
18
years
.
The
United
Kingdom
's
Met
Office
and
Ireland
's
Met
Éireann
issued
Expressing_publicly
severe
weather
warnings
Warning
in
anticipation
of
the
snowfall
.
The
last
time
such
widespread
Judgment_communication
snowfall
affected
Influence
Britain
was
in
February
1991
.
In
Maryland
,
the
snowfall
unofficially
reached
Arriving
;
if
verified
Check
,
the
total
would
have
been
the
highest
in
the
state
's
history
.
Further
inland
,
the
storm
Catastrophe
produced
Causation
significant
snowfall
,
estimated
at
around
in
The
Berkshires
.
The
December
1992
nor'easter
produced
Causation
record
Recording
high
tides
and
snowfall
across
the
northeastern
United
States
.
The
strength
Cause_change_of_strength
of
the
storm
Catastrophe
,
coupled
Cause_to_amalgamate
with
the
extreme
Arctic
temperatures
,
created
Causation
a
light
Lighting
,
fluffy
snow
which
increased
Cause_change_of_position_on_a_scale
the
snowfall
totals
.
The
flooding
Catastrophe
occurred
Presence
due
to
record
snowfall
Motion
in
the
area
followed
by
its
snowmelt
Motion
and
in
combination
with
intense
spring
rains
Motion
.
Moderate
to
heavy
snowfall
Self_motion
fell
Motion_directional
from
West
Virginia
to
eastern
Maine
,
amounting
to
10
in
(
25
cm
)
or
more
in
parts
of
13
states
and
peaking
at
21.4
in
(
54.4
cm
)
at
Newark
,
New
Jersey
.
The
winter
of
2010
in
England
saw
the
earliest
widespread
winter
snowfall
since
1993
with
snow
falling
Motion_directional
as
early
as
24
November
across
Northumberland
and
North
Yorkshire
.
There
was
some
snowfall
in
early
January
,
and
there
was
an
anticyclonic
spell
at
the
end
Process_end
of
the
month
that
brought
Bringing
some
cold
,
frosty
days
.
On
January
2
,
an
Arctic
cold
front
initially
associated
Collaboration
with
a
nor'easter
tracked
Motion
across
Canada
and
the
United
States
,
resulting in
Causation
heavy
snowfall
.
Rare
snowfall
was
also
reported
Reporting
.
Severe
weather
,
including
extensive
flooding
and
landslides
in
Mexico
,
and
historic
snowfall
totals
in
every
one
of
the
Mid-Atlantic
states
,
brought
Bringing
deaths
to
Mexico
,
New
Mexico
,
Virginia
,
Pennsylvania
and
Maryland
.
The
January
2015
North
American
blizzard
was
a
powerful
and
severe
blizzard
Catastrophe
that
dumped
up
to
of
snowfall
in
parts
of
New
England
.
Before
the
blizzard
Catastrophe
struck
Attack
,
meteorologists
had
been
anticipating
that
the
impending
storm
Catastrophe
would
be
``
historic
''
and
``
record-breaking
''
,
with
predictions
of
snowfall
accumulations
in
major
metropolitan
areas
such
as
New
York
City
of
up
to
.
However
,
the
predictions
fell
Motion_directional
significantly
short
of
what
was
anticipated
,
mainly
due
to
a
shift
Change
of
the
storm
Catastrophe
's
track
,
which
cut
Removing
down
on
the
amount
of
snowfall
.
The
Great
Blizzard
of
1947
was
a
record-breaking
snowfall
that
began
Process_start
on
Christmas
without
prediction
and
brought
Bringing
the
northeastern
United
States
to
a
standstill
.
By
the
time
it
stopped
Process_end
on
December
26
,
measurement
of
the
snowfall
reached
26.4
inches
(
67.1
cm
)
in
Central
Park
in
Manhattan
.
Automobiles
and
buses
were
stranded
in
the
streets
,
subway
service
was
halted
Process_end
,
and
parked
vehicles
initially
buried
by
the
snowfall
were
blocked
Hindering
further
by
packed
mounds
created
Creating
by
snow
plows
once
they
were
able
to
begin
Process_start
operation
.
After
its
extratropical
transition
,
Noel
became
Becoming
a
very
strong
low
pressure
system
,
causing
Causation
flooding
and
wind
damage
over
Maine
and
Eastern
Canada
,
with
heavy
rainfall
Catastrophe
occurring
Presence
across
Atlantic
Canada
,
and
snowfall
over
some
areas
of
Eastern
Quebec
and
Labrador
.
the
2011
halloween
nor'easter
,
sometimes
referred
to
as
``
unk
,
''
``
unk
,
''
``
storm
Catastrophe
alfred
,
''
and
``
unk
,
''
was
a
large
low
pressure
area
that
produced
Causation
unusually
early
snowfall
across
the
northeastern
united
states
and
the
canadian
maritimes
.
As
it
moved up
Motion
the
East
Coast
,
its
associated
snowfall
broke
Destroying
records
in
at
least
20
cities
for
total
accumulations
,
resulting in
Causation
a
rare
``
white
Halloween
''
two
days
later
.
Scotland
saw
its
first
snowfall
since
March
,
earlier
in
the
year
.
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