METE Test 3
Terms
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- estimation of conditions at locale or time based on surrounding weather
- interpolation
- creation of electrical charge in object by proximity of another previously charged object
- induction
- global-scale, thermal circulation feature of trade winds carrying air from subtropical high pressure belt to ITCZ
- Hadley cell
-
stability measure indicating probability of convective activity like storms at locale
or
difference in temperature of lifted air parcel and environment at 500 mb level - lifted index
- fluid flow that is smooth and nonturbulent, progressing in parallel lines or sheets
- laminar flow
-
smallest scale of atmospheric phenomena
-features of molecular size
-lifespan fraction of a second - molecular scale
- synoptic or global scale oceanic circulation cell, associated with High pressure cell
- gyre
- positive electrical current in lightning, ground to cloud carrying main flow of electricity along the stepped leader's channel
- return stroke
-
tropical cyclone
-winds= 20-34 knots or 23-39 mph - tropical depression
- rise of sea surface along path of storm by circulating winds and low pressure at center of storm
- storm surge
- warning of unusual or potentially harmful weather
- special weather statement
-
largest of atmospheric phenomena
-1000 km
-weeks - global scale
- turbulence caused by obstruction of wind flow by buildings, trees, mountains, and so forth
- mechanical turbulence
- "ordinary" - forms individually from local heating and not by fronts or orography
- airmass thunderstorm
- 1st phase of lightning, flood of electrons travel earthward in a series of segments
- stepped leader
- violently rotating column of air that extends from the base of a severe thunderstorm
- tornado
- dark, slowly rotating cloud extending below the mesocyclone circulation in a potentially tornado-producing thunderstorm
- wall cloud
- visible vortex of rapidly circulating air extending downward from a severe thunderstorm
- funnel cloud
-
any member of hurricane family whatever its location or strength
-hurricane
-tropical storm
-typhoon - tropical cyclone
- a tropical cyclone of hurricane intensity in Western Pacific
- typhoon
- ring of towering thunderstorm clouds at eye of hurricane
- eye wall
-
severe tropical cyclone
-500 km (300 mi) diameter
-64 knots (74 mph) winds
over warm ocean in maritime tropical air - hurricane
- tornado occuring over water, more common and less intense than land tornado
- waterspout
- electrical discharge within a cloud, cloud to ground, cloud to cloud, flash is stepped leader and series of return strokes
- lightning
- 3-7 day forecast
- extended forecast
- 48 hour forecast
- short-term forecast
- 2-3 hour forecast
- now cast
- study of long-term weather patterns in a region
- climatology
- conditions plugged into equations of atmospheric motion or wave forms to get forecast
- numerical forecasting
- forecasting technique based on fiction that upper level wind flow "steers" surface patterns
- steering
- forecasting strategy supposing that weather will remain unchanged
- persistence forecasting
- changes in weather over a 24 hour period
- diurnal cycles
- turbulence caused by obstruction of air flow by conductive air motions
- thermal turbulence
- output from several computer models blended to produce a single forecast
- consensus forecast
- fluid flow with complex patterns that change rapidly over time
- turbulence
- ITCZ, or light, variable winds within ITCZ
-
doldrums
intertropical convergence zone - convergent, rotating convection currents; hot air rises, air below swirls to replace it
- dust devil
- microscale turbulence at high altitudes without clouds
- clear air turbulence (CAT)
- synoptic scale, westward moving, wave shaped disturbance embedded in a tropical trade wind
- Easterly wave
-
seasonal, thermal circulation caused by temperature contrasts from ocean to continent
winds inland in summer, off land in winter - monsoon
- global-scale band of NE or SE winds in low latitudes of 5-30 degrees
- trade winds
- forecasting strategy supposing fronts, etc will persist and move predictably as in the past
- trend forecasting
- electric spark or flow of electrically charged particles between oppositely charge objects
- electric discharge