DRR_M4Hydro Flashcards
nature of hydro meteorological hazards
atmospheric, hydrological, oceanographic
it is short-lived; characterized by loud rumbling sounds, streaks of lightning, darkened skies
thunderstorm
what are the 3 stages of thunderstorm
developing, mature, dissipating
towering cumulus clouds indicates rising air, usually last about 10 minutes, occupational lightning
developing stage
time for hail, heavy rain, frequent lightning, storm, tornadoes, lasts an average of 10 to 20 minutes
mature stage
downdraft, downward flowing air, dominate the storm, rainfall decreases in intensity
dissipating stage
water overflows its natural or artificial bank onto normally dry land
flood
techical name for ordinary flooding, happens hundreds of miles from the coast
inland flooding
caused by heavy rain orsudden release of water over a short period of time
flash flood
OCCURS WHEN WATER
LEVELS IN RIVERS, LAKES, AND STREAMS
RISE AND OVERFLOW ONTO THE
SURROUNDING BANKS, SHORES.
river flooding
flooding of land areas along the coast by seawater
coast flooding
when there is a lack of drainage in a certain area or city
urban flooding
“daluyong ng bagyo”
storm surge
irregular sea-level rise during bagyo occurs
storm surge
powerful winds caused by the storms forced ocean water over coastal areas
storm surge
little boy, christ child in spaish
el nino
it is the periodic warmig across the central and east central equatorial pacific
el nino
means little girl in spaish
el nina
el viejo, anti el nino
el nina
a cold event, represents periods of below averge sea-surface temperature
el nina
originates over warm tropical oceas
tropical cyclones
low atmospheric pressure, high winds, heavy rain
tropical cyclones
cyclones, typhoons, hurricanes are the ______ thing
same
wind signal #1, 61km/h or less
tropical depression
wind signal #2, 62km/h to 88km/h
tropical storm
wind signal #3, 89-117
severe tropical storm or STS
wind signal #4, 118 to 184
typhoon
wind signal #5, 185 above
super typhoon
a forecaster’s main tool
weather map
depicts the distribution pattern of atmospheric pressure, wid temperature and humidity atdifferent levels at atmosphere
weather map
surface observation at least every ___ hours
threw
upper air stations every ___ hours
12
sattelites take photos of formation of clouds every _____
hour
information gathered in _________, sent from the observation team to the forecasting team
coded into figures
observations are ____ in charts
plotted
prepared at least how many times a day?
twice
it is then compiled every ______ of the year
end
additional informatio gathered are then processed to be analyzed and then connected to the _________ informatio
initial informatio
upon completion of review of all available meteorological data, the preparation of forecast follow`
formulation of the forecast s
5 steps in forecasting weather
- observation
- collection ad transmission of weather data
- plotting of weather data
- analysis of weather data
- formulation of forecast
