TROPICAL CYCLONES Flashcards
CLOSED LOW PRESSURE CENTER
WITH STEEP PRESSURE GRADIENT
GREATERR THAN 980 MILLIBARS
CATEGORY 1 CYCLONES
LESS THAN 920 MB`
CATEGORY 5
CLOSED AIR CIRCULATION BCZ
XORIALIS FORCE
LCLLU
LARGE SEA SURFACE WITH T HIGH THAN 27 DEG
CORIALIS FORCE
LOW PRESSURE
LOW WIND SHEAR
UPPER LEVEL DIVERGENCE
27 DEG WHY
LATENT HEAT OF VCONDENSATION
HEATING DEPTH
60-70 CM
WHY WESTERN MORE
WARM CURRENT DUE TO EASTERLY TRADE WINDS
WEAK WALKER CELL
EL NINO
HURRICANES IN EAST PACIFIC
STRONG ELNINO
LATENT HEAT OF CONDENSATION
RISES THE AIR FURTHER
CORIALIS@O
O
NH
ANTICLOCK
SH
CLOCK
START
5*
MAXIMUN
10-20 LAT
OCEAN T MAX
AUGUST
CONTINENT T MAX
JUNE JULY
DOLDRUM
REGION WITHIN ITCZ
WHY IN LATE SUMMER
27*
NORTH DOLDRUM——-MAX CORIALIS
MAX CORIALIS
POLAR
RIGHT IN
NH
LEFT IN
SH
LOW LEVEL DISTUBANCE
EASTERLY WAVE DISTURBANCE
EASTERLY WAVE DISTURBANCE
EAST TO WEST
SEEDLING CIRCULATION
EASTERLY WAVE DISTUBANCE
INTENSIFYING LOW PRESSURE CELL
TEMPERATURE CONTRAST BETWEEN AIR MASSES
WIND SHEAR
DIFFERENCE IN WIND SPEED AT DIFFERENT ALTITUDE
LOW WIND SHEAR
WIND IS UNIFORM
WHY ONLY IN TROPICS
LOW WIND SHEAR
HIGH WIND SHEAR
WESTERLIES
MONSOON WESTERLY
SWM
WHY LOW CYCLONES IN SWM
HIGH WIND SHEAR
LESS TIME FOR DEVELOPMENT
SWM
ABOVE 6000 M
CIRCULATION
UPPER TROPOSHERIC WESTERLY TROUGHH
TROPICAL UPPER TROPOSPHERIC TROUGH
TUTT USE
FORECASTING
TUTT WIND SHEAR
LARGER THAN TROPICAL CYCLONES
TUTT——-TC
WEAKEN
TROPICAL CYCLONE FORMATION
CONVECTIVE CYCLOGENESIS
EXTRATROPICAL CF
FRONTAL CYCLOGENESIS
TORANDOES AND WATER SPROUT
WARM CORE CYCLONES
TORANDOES AND WATER SPROUTS
MESOCYCLONE FORMATION
LATE SUMMER PERIOD
AUG-MID NOV
WHY AUG
MAX OCEAN T
MULTIPLE THUNDER STORM CONVERGE
INTENSE LOW PRESSURE SYSTEM
TROPICAL DEPRESSION
<63 KPH
TROPICAL STORM
63-119 KMPH
TROPICAL CYCLONE
> 119
NO CTYCLONE SHAPE
TROPICAL DEPRESSION
ONLSHAPENO EYE
TROPICAL STORM
EYE PRESENT
TROPICAL CYCLONE
LOWEST SURFACE ATM PRESSURE
EYE
CENTER OF CIRCULATION
EYE
AREA OF RELATIVE CALM
EYE
DDSC
DISTURBANCE DEPRESSION STORM CYCLONE
STAGES MNE
DDSC
MAXIMUM SUSTAINED WIND SPEED
HIGHEST 3 MIN SURFACE WIND
WARM AIR
LIGHT
CONDENSATION RELEASES
LATENT HEAT OF CONDENSATION
CETRIPEDAL ACCERLATION FORMS
EYE
CETRIPETAL FORCE X
CETRIFUGAL
TOWARDS THE CENTER
CENTRIPETAL
INTENSE LOW PRESSURE——->
GREAATER WIND SPEED
GREAATER WIND SPEED——->
GREATER CORIALIS FORCE
GREATER CORIALIS FORCE——>
GREATER DEFLECTION
GREATER THE WIND SPEED
LARGER THE EYE REGION
LFNSC
CHARACTERISTIC OF EYE
LFNSC==
LIGHT WIND
FAIR WEATHER
NO PRECIPITATION
SLOW SINKING
COMPRESSIONAL WARMING
VDHF
CHARACTERISTIC OF EYEWALL
CIRCULAR RING
EYE WALL
VDHF
VIOLENT REGION
DEEP CONVECTION
HHEAVIEST RF
FASTEST WIND
MULTIPLE CONVECTIVE CELL
RAIN BANDS
SUCCESSIVE CALM AND VIOLENT REGION
RAIN BANDS
CDO
CENTRAL DENSE OVERCAST
CDO IS
CIRRUS CLOUD SHIELD
CNC OF RAINBANDS
CUMULUS
CUMULONIMBUS
NIMBOSTRATUS
SPIRAL BANDS
RAIN BANDS
HIGHEST RF
CUMULONIMBUS
PROLONGED RAINFALL
NIMBOSTRATUS
LEAST RF
CUMULUS
<3KM
DRIVING THE STORM
3-7 KM
MAIN CYCLONIC STORM
> 7KM
ANTICYCLONE
HIGHEST NO OF TROPICAL CYCLONES(TYPHOON)
WESTERN PACIFIC
INDIAN OCEAN
CYCLONES
ATLANTIC
HURRICANES
WEST PACIFIC N SOUTH CHINA SEA
TYPHOONS
WESTERN AUSTRALIA
WILLY WILLIES
PATH
PARABOLIC
WIND
TRADE WINDS OR EASTERLIES
AT 30 DEG
EASTDEFLECT DUE TO WESTERLIES
STRONGEST PART OF CYCLONE
RIGHT
FEW CYCLONE IN ARABIAN
DISTURBANCE -TEMPERRATURE -SALINITY
HIGH TEMPERATURE IN
BB
HIGH DISTURBANCE IN
BB
HIGH SALINITY IN
AS
WHY HIGH SALINITY
LESS RIVER
HIGHER VAPOUR PRESSURE
HIGH RATE OF EVOPORATION
VAPOUR PRESSURE IS
WATER TO AIR
HIGH WIND SPEED
INCREASES EVAPORATION
HIGH SALINITY —>
LOW VAPOUR PRESSURE
HIGH VERTICAL MIXING
AS
WHY LOW VERTICAL MIXING IN BB
LESS DENSE FRESH WATER
1
120-150 KMPH
2
150 -180
3
180-210
4
210-250
5
250+
D
31-49
DD
50-61
CYCLONIC STORM
62-87
SCS
88-117
VSCS
167-221
SU CS
222+
1KNOT
1.8 KM`
HEIGHT OF VSC,SCS,SU CS
14 + M
MAX RF
250 CM
260+ WINDSPEED
PARADEEP SUPER CYCLONE
STORM TIDE
STORM SURGE+ HIGH TIDE
1999
PARADEEP SUPER CYCONE
ODISHA
PARADEEEP SU C
STORM SURGE
HIGH TIDE+ LANDFALL
RED TIDE
COASTAL ALGAL BLOOM
ALGAL BLOOM
DEPLETE OXYGEN
+ VE RRRS
RAINSADOW RAINFALL
RED TIDE BREAK
REPLENISH BARRIER ISLAND
SEED DISPERSAL
BASINS
WMO
GREEN
PRE CYCLONE WATCH
YELLOW
CYCLONE ALERT
COLOUR CODE ORANG
CYCLONE WARNING
COLOUR CODE RED
POST LANDFALL OUTLOOK
72 HOURS
PRE CYCLONE WATCH
48 HRS
CYCLONE ALERT
24
CYCLONE WARNING
12 HRS
POST LANDFALL OUTLOOK
IRRESPECTIVE
PRE CYCLONE WATCH
BEYOND 500
YELLOW
WITHIN500
ORANGE
WITHIN 200
POST LANDFALL OUTLOOK
FAST WIND
MORE CORIALIS FORCE
FREE FROM FRICTRICTION
> 3KM
DEFLECTION OF WIND IS MAXIMUM
NO FRICTION FORCE
STRAIGHT ISOBAR
PRESSURE GRADIENT FORCE BLCCORIALIS FORCE
PRESSURE GF=CF
PARALLEL TO ISOBAR
GEOSTROPIC WIND
JET STREAM
LOW FRIC——>
HIGH CORIALIS
BW POLAR AND TEMP
POLAR JET STREAM
BW TROPICAL AND TEMPERATE
SUBTROPIICAL JET STREAM
POLAR JET STREAM
TEMPERATE TO POLAR
SUBTROPICAL JET STREAM
SUBTROPICAL TO TEMPERRATE
UPPER TROPOSPHERE
THERMAL EFFECT
STRONG JET
POLAR
WEAK JET
SUBTROPICAL
JET WESTERLIES
ALWAYS WEST TO EAST
TROPIC TOWARDS THE POLE
WESTERLY DUE TO CORIALIS FORCE
WHY NO JET STREAM IN EQUATOR
O CF
POLAR JET ALTI
6-9
SUB TROPICAL JET ALTI
10-16
