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DRRR Midterms
DRRR Hydrometeorological Hazards
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Hydrometeorological Hazards:
T-T-F-F-S-E-L
Typhoon
Thunderstorm
Flood
Flash flood
Storm Surge
El Nino
La Nina
Natural events caused by weather and water conditions that can lead to disasters.
Hydrometeorological Hazards
Strong tropical cyclone with heavy rain and strong winds, formed over warm ocean waters.
Typhoon
Rainstorm that includes thunder, lightning, and sometimes hail.
Thunderstorm
Sudden and intense flood usually caused by heavy rain
Flash flood
Overflow of water onto normally dry land.
Flood
The abnormal rise of seawater during a storm or typhoon.
Storm Surge
A climate pattern that causes unusually warm ocean temperatures in the Pacific, leading to drought in many areas.
El Nino
The opposite of El Niño, with cooler ocean temperatures, causing heavy rain and floods
La Nina
Typhoon Warning Signs:
Strong
winds
even without rain
Sky becomes
darker
than usual
Sudden drop in
temperature
PAGASA issues
storm
signals
Thunderstorm Warning Signs:
Large, dark cumulonimbus clouds
Sudden gusts of wind
Distant rumbles of thunder
Humid
and
hot
weather, then it becomes
cold
suddenly 🥵->🥶
Flash flood Warning Signs:
Sudden heavy rainfall in a
short
time
Water rising
rapidly
in rivers or canals
Overflowing
manholes and drains
Gurgling
sounds in pipes or sewers
Flood Warning Signs:
Long hours of non-stop
rain
Ground becomes
saturated
and soggy
Rivers or creeks begin to
overflow
Water collects in streets, doesn't
drain
Storm Surge Warning Signs:
Unusual rise or fall in sea level at the
coast
Sky turns yellowish or
orange
before landfall
Strong, persistent wind from the
sea
PAGASA warnings for
coastal
areas
El Nino Warning Signs:
Long dry spells, even during
rainy
season
Cracks
on the ground from dryness
Decreasing
water
supply in rivers, lakes
Reports of
crop
damage and dry fields
La Nina Warning Signs:
Heavy and frequent
rainfall
Cooler than usual
air
temperature
Sudden
landslides
in hilly areas
Overflowing river and
reservoirs
Tools/Agencies for Monitoring:
P-P-D-M-W
PAGASA
Project NOAH
DOST
Mobile apps and alerts
Weather news and radar