AGU Advances,
Journal Year:
2025,
Volume and Issue:
6(2)
Published: April 1, 2025
Abstract
The
co‐occurrence
of
multiple
hazards
is
growing
concern
globally
as
the
frequency
and
magnitude
extreme
climate
events
increases.
Despite
studies
examining
spatial
distribution
such
events,
there
has
been
little
work
in
if
all
relevant
life
threatening
damaging
are
captured
existing
hazard
databases
by
common
metrics.
For
example,
local/regional
flash
flooding
seldom
optical
satellite
instruments
subsequently
excluded
from
global
databases.
Similarly,
heat
definitions
most
frequently
used
multi‐hazard
inherently
fail
to
capture
that
life‐threatening
but
climatologically
within
an
expected
range.
Our
goal
determine
potential
for
increasing
event
detection
capabilities
inferring
additional
footprints
widely
accessible
data.
We
use
daily
precipitation
temperature
data
develop
open‐source
framework
infers
not
included
traditional
methods.
With
state
Texas
our
study
area,
we
detected
2.5
times
many
flood
hazards,
equivalent
$320
million
property
crop
damages.
Furthermore,
expanded
definition
increases
impacted
area
56.6%,
91.5
over
18
year
period.
Increasing
expanding
using
temporal
resolutions
at
which
detected.
Having
more
complete
sets
extents
improves
ability
track
trends
accurately
exposure
inequities.
Journal of Geophysical Research Atmospheres,
Journal Year:
2023,
Volume and Issue:
128(21)
Published: Oct. 28, 2023
Abstract
Heatwaves
have
been
shown
to
increase
the
likelihood
and
intensity
of
extreme
rainfall
occurring
immediately
afterward,
potentially
leading
increased
flood
risk.
However,
exact
mechanisms
connecting
heatwaves
remain
poorly
understood.
In
this
study,
we
use
weather
type
data
sets
for
Australia
Europe
identify
patterns,
including
fronts,
cyclones,
thunderstorm
conditions,
associated
with
heatwave
terminations
following
events.
We
further
analyze,
using
reanalysis
data,
how
atmospheric
instability
moisture
availability
change
before
after
termination
depending
on
whether
is
followed
by
rainfall,
as
well
location
heatwave.
find
that
most
terminate
during
and/or
frontal
conditions.
Additionally,
several
days
termination;
but
only
if
are
rainfall.
also
a
significantly
higher
than
expected
from
climatology
same
time
year,
highest
values
post‐heatwave
intensities.
conclude
joint
presence
high
instability,
moisture,
systems
likely
explain
why
generally
more
heatwaves,
compound
hazard
mainly
found
in
non‐arid
mid
latitudes.
An
improved
understanding
drivers
these
events
will
help
assess
potential
changing
impacts
future.
Remote Sensing,
Journal Year:
2023,
Volume and Issue:
15(19), P. 4745 - 4745
Published: Sept. 28, 2023
Compound
heat–precipitation
events
exert
significant
impacts
on
severe
weather
occurrences.
Intense
vertical
air
movement,
driving
vigorous
convection,
primarily
contributes
to
the
formation
of
extreme
precipitation.
Nevertheless,
such
compound
events’
temporal
and
spatial
variation
patterns
at
convection-permitting
resolutions
remain
inadequately
explored.
This
study
assesses
performance
Convection-Permitting
Model
(CPM)
against
a
model
convection
parameterization
while
investigating
dynamics
in
Guangdong,
China.
Our
findings
indicate
that
CPM
exhibits
heightened
reliability
precision
simulating
temperature
precipitation
patterns,
especially
simulation,
which
would
be
highly
underestimated
without
process.
Projections
from
reveal
that,
across
historical
future
periods,
occurrence
frequency
fraction
T-P
(instances
heat
followed
by
precipitation)
surpass
those
P-T
(occurrences
heat).
For
events,
better
capability
capturing
high-frequency
areas,
whereas
results
relatively
low-resolution
show
less
distinct
variations.
Both
types
exhibit
noticeable
upward
trends
yearly
within
each
period.
By
close
this
century,
provincial
average
is
anticipated
decrease
20.32
times
14.55
times.
In
contrast,
projected
increase
87.7
101.38
These
changes
underscore
shifting
region.
Environmental Research Letters,
Journal Year:
2024,
Volume and Issue:
19(6), P. 064077 - 064077
Published: May 28, 2024
Abstract
Compared
with
individual
heatwaves
or
storm
events,
the
compound
extreme
precipitations
preconditioned
by
(CHEPs)
usually
amplify
their
adverse
repercussions
on
both
ecosystems
and
society.
However,
little
is
known
about
physical
mechanisms
of
generations,
especially
considering
precipitation
types
triggered
various
factors
synoptic
patterns.
By
classifying
based
duration,
we
conduct
an
event-based
analysis
comprehensively
assess
CHEPs
using
machine
learning-constrained
framework
binning
scaling
methods
over
China.
We
find
fraction
to
total
short-duration/long-duration
(ESDPs/ELDPs)
has
substantially
increased
18%/15%
from
1979
2021,
when
dry-bulb
temperature
identify
heatwaves.
More
notably,
hotspots
are
generally
consistent
those
ESDPs.
The
ESDPs
play
a
dominant
role
in
shaping
episodes,
which
governed
enhancing
atmospheric
instability
due
horizontal
moisture
advection
transient
vertical
dynamic
motion
moisture,
paramount
LDPs,
not
significantly
enhanced
overheating
atmosphere,
leading
small
LDPs
CHEPs.
In
addition,
intensity
tends
increase
air
at
higher
rates
than
that
ELDPs.
As
short-duration
storms
may
trigger
severe
flash
floods,
ample
attention
should
be
paid
escalating
risks
under
climate
change.
International Journal of Disaster Risk Science,
Journal Year:
2024,
Volume and Issue:
15(3), P. 453 - 466
Published: June 1, 2024
Abstract
Growing
evidence
indicates
that
extreme
heat
and
rain
may
occur
in
succession
within
short
time
periods
cause
greater
impacts
than
individual
events
separated
space.
Therefore,
many
studies
have
examined
the
of
compound
hazard
on
social-ecological
system
at
various
scales.
The
definition
is
fundamental
for
such
research.
However,
there
are
no
existing
support
determination
interval
between
a
rainstorm
heatwave
(CRH)
event,
which
consists
two
or
more
potentially
qualifying
component
events.
To
address
deficiency
defining
what
can
constitute
CRH
this
study
proposed
novel
method
to
determine
maximum
through
change
event
frequency
with
increasing
events,
using
southern
China
as
case
study.
results
show
threshold
identified
by
reasonable.
For
90%
meteorological
stations,
has
reached
when
less
equal
threshold.
This
aid
selection,
an
important
step
subsequent
