Event Detection and Extraction (EDX) Explorer
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Event Detection
Data
Demonstration
The LEAF Lab
Data
Events
Data: MAVEN
Trigger word:
extratropical
Event Types (Count):
NegTrigger (162)
Negative Trigger
Helene
's
extratropical
remnants
traversed
Motion_directional
eastwards
across
the
Atlantic
Ocean
before
dissipating
Dispersal
near
Great
Britain
on
October
4
.
After
becoming
Becoming
extratropical
,
Lee
caused
Causation
historic
flooding
Catastrophe
in
Pennsylvania
,
New
York
,
and
Canada
,
mainly
Quebec
and
Ontario
.
Ivan
dropped
Motion
heavy
rain
on
the
Southeastern
United
States
as
it
progressed
Self_motion
northeastward
and
eastward
through
the
eastern
United
States
,
becoming
Becoming
an
extratropical
cyclone
Catastrophe
on
September
18
.
Early
on
the
following
day
,
the
system
weakened
Cause_change_of_strength
to
a
tropical
storm
and
became
Becoming
an
extratropical
cyclone
over
North
Carolina
hours
later
.
Its
remnants
persisted
over
Western
Australia
for
several
more
days
before
being
absorbed
into
an
extratropical
cyclone
on
5
March
.
Early
on
October
8
,
Daisy
made
landfall
near
Yarmouth
,
Nova
Scotia
,
several
hours
before
transitioning
Change
into
an
extratropical
cyclone
.
Initially
,
the
National
Hurricane
Center
(
NHC
)
forecast
the
storm
Catastrophe
to
transition
Change
into
an
extratropical
cyclone
within
five
days
,
due
Causation
to
conditions
unfavorable
for
significant
intensification
.
However
,
the
system
remained
Presence
a
designated
cyclone
until
June
26
,
at
which
time
it
completed
Process_end
extratropical
transition
over
the
state
Statement
of
Michigan
.
The
system
continued
to
weaken
Cause_change_of_strength
and
transitioned
Change
into
an
extratropical
cyclone
near
the
border
of
North
Carolina
and
Virginia
early
on
September
18
.
Debby
was
rapidly
approaching
Arriving
the
British
Isles
on
September
20
,
shortly
before
it
transitioned
Change
into
an
extratropical
cyclone
.
The
hurricane
accelerated
Cause_change_of_position_on_a_scale
northeastward
after
crossing
Motion_directional
the
Bahamas
,
and
on
November
2
,
it
transitioned
Change
into
an
extratropical
cyclone
.
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
.
After
reaching
Achieve
its
peak
intensity
,
Rammasun
weakened
Cause_change_of_strength
and
was
downgraded
Cause_change_of_position_on_a_scale
to
severe
tropical
storm
on
May
12
,
before
the
JTWC
declared
Expressing_publicly
it
extratropical
and
issued
Creating
their
final
advisory
.
Rewa
transitioned
Change
into
an
extratropical
cyclone
on
20
January
,
with
its
remnants
bringing
Bringing
heavy
rain
to
New
Zealand
three
days
later
.
The
storm
began
Process_start
weakening
Cause_change_of_strength
due
to
incompatible
surroundings
and
became
Becoming
extratropical
west
of
the
Azores
on
October
10
.
Isbell
turned
Motion
northward
and
continued
weakening
,
before
transitioning
to
an
extratropical
cyclone
while
located
just
offshore
eastern
North
Carolina
on
October
16
.
During
this
change
Change
in
direction
,
Sandy
began
Process_start
to
transition
into
an
extratropical
cyclone
,
a
process
it
completed
Process_end
before
making
Manufacturing
landfall
near
Brigantine
,
New
Jersey
,
late
on
October
29
.
The
extratropical
remnants
weakened
Cause_change_of_strength
gradually
overland
,
and
the
center
of
circulation
was
declared
Expressing_publicly
indistinguishable
over
western
Pennsylvania
two
days
later
.
Moving
Motion
into
the
Gulf
of
Saint
Lawrence
later
that
day
,
the
storm
transitioned
Change
into
an
extratropical
cyclone
.
The
storm
,
an
extratropical
cyclone
,
originated
Coming_to_be
as
the
convergence
of
two
major
storm
fronts
,
fueled
by
the
lakes
'
relatively
warm
waters—a
seasonal
process
called
a
``
November
gale
''
.
Josephine
made
landfall
Self_motion
in
Taylor
County
near
peak
intensity
early
on
October
8
,
and
soon
after
became
Becoming
extratropical
.
The
extratropical
remnants
of
Josephine
moved
Motion
along
the
eastern
coast
of
the
United
States
,
producing
wind
gusts
as
strong
as
in
St.
Mary
's
County
and
in
Ocean
City
,
Maryland
.
The
storm
later
restrengthened
in
the
northern
Atlantic
Ocean
before
merging
with
another
extratropical
storm
near
Iceland
on
October
16
.
Once
it
emerged
offshore
,
Camille
was
able
to
restrengthen
to
a
strong
tropical
storm
,
before
it
became
Becoming
extratropical
on
August
22
.
Nida
later
accelerated
Cause_change_of_position_on_a_scale
northeast
,
missing
Japan
to
the
east
while
becoming
Becoming
an
extratropical
cyclone
.
The
storm
made
landfall
Self_motion
near
Mazatlán
on
September
26
and
quickly
transitioned
Change
an
extratropical
cyclone
.
The
system
ultimately
became
Becoming
extratropical
on
July
24
,
and
was
last
noted
by
the
Japan
Meteorological
Agency
a
week
later
near
the
Kamchatka
Peninsula
.
Iris
weakened
Cause_change_of_position_on_a_scale
to
a
tropical
storm
Catastrophe
and
became
Becoming
extratropical
on
September
4
,
though
its
remnants
reattained
hurricane-force
winds
before
affecting
Influence
western
Europe
on
September
7
.
Later
that
day
,
Isaac
transitioned
Change
into
an
extratropical
cyclone
.
While
extratropical
,
Isaac
brushed
Motion
the
British
Isles
,
producing
Manufacturing
below
gale-force
winds
.
Isaac
's
extratropical
remnants
were
eventually
absorbed
into
another
extratropical
storm
Catastrophe
to
the
north
of
Scotland
,
on
October
4
.
Isaac
's
extratropical
remnants
were
eventually
absorbed
into
another
extratropical
storm
Catastrophe
to
the
north
of
Scotland
,
on
October
4
.
After
moving
Motion
inland
,
it
transitioned
Change
into
an
extratropical
cyclone
Catastrophe
and
dissipated
Change
over
Ontario
on
September
23
.
On
November
13
,
the
system
transitioned
Change
into
an
extratropical
cyclone
Catastrophe
and
dissipated
Dispersal
the
next
day
.
Klaus
attained
Getting
hurricane
status
and
reached
Arriving
peak
winds
of
90
mph
(
145
km/h
)
before
becoming
Becoming
extratropical
over
cooler
waters
on
November
13
.
Two
days
later
,
on
March
16
,
the
cyclone
Catastrophe
transitioned
Change
into
an
extratropical
cyclone
Catastrophe
and
dissipated
Dispersal
the
next
day
.
A
cold
front
turned
Becoming
Beryl
to
the
northeast
,
and
the
storm
became
Becoming
extratropical
on
May
30
.
The
storm
Catastrophe
then
accelerated
Cause_change_of_strength
northeastward
and
became
Becoming
extratropical
over
New
England
by
August
29
.
Gabrielle
transitioned
Change
into
an
extratropical
cyclone
Catastrophe
on
September
19
,
and
later
that
day
it
passed
Motion_directional
just
southeast
of
Newfoundland
.
The
extratropical
remnants
of
Gabrielle
continued
to
the
northeast
and
dissipated
Dispersal
on
September
21
.
Gradual
weakening
Cause_change_of_strength
ensued
Process_start
as
the
cyclone
moved
Self_motion
along
the
Southeast
United
States
coastline
,
and
Kate
transitioned
Change
to
an
extratropical
cyclone
on
November
23
,
a
day
after
exiting
Departing
the
coastline
of
North
Carolina
.
early
on
september
14
,
the
storm
re-emerged
Coming_to_be
into
the
atlantic
ocean
near
cape
hatteras
,
north
carolina
,
and
transitioned
Change
into
an
extratropical
cyclone
several
hours
later
.
at
this
point
,
there
is
uncertainty
as
to
the
structure
of
debbie
,
whether
it
transitioned
Change
into
an
extratropical
cyclone
or
maintained
Preserving
its
identity
as
a
tropical
system
.
Shortly
thereafter
,
the
system
was
confirmed
Check
to
have
become
Becoming
extratropical
as
it
continued
towards
the
northeast
.
Slight
fluctuations
in
intensity
occurred
Coming_to_be
before
the
hurricane
became
Becoming
extratropical
early
on
September
24
,
while
located
northwest
of
Bermuda
.
Thereafter
,
Belle
transitioned
Change
into
an
extratropical
cyclone
over
New
England
before
moving
Motion
over
Atlantic
Canada
.
Gracie
became
Becoming
an
extratropical
cyclone
Catastrophe
on
September
30
while
moving
Motion
through
the
Eastern
United
States
.
Early
on
August
2
,
Bertha
made
Manufacturing
landfall
near
Sydney
,
Nova
Scotia
while
weakening
Cause_change_of_strength
and
transitioning
Change
back
into
an
extratropical
cyclone
Catastrophe
.
The
hurricane
formed
Coming_to_be
off
the
coast
of
Africa
and
lasted
from
September
7
to
19
,
becoming
Becoming
extratropical
after
September
17
,
and
peaked
Cause_change_of_position_on_a_scale
in
strength
as
a
very
strong
Category
4
hurricane—just
2
mph
short
of
the
highest
possible
rating
on
the
Saffir–Simpson
Hurricane
Scale
.
The
system
subsequently
rapidly
weakened
Cause_change_of_strength
and
became
Becoming
an
extratropical
cyclone
during
December
1
,
before
they
were
absorbed
by
an
advancing
Motion
trough
of
low
pressure
near
50°S
on
December
4
.
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