ATSC 231 E4 SG Question and answers
100% correct
forecast guidance - correct answer ✔Computer generated forecast materials
used to assist the preparation of a forecast
rapid refresh model (RAP) - correct answer ✔numerical model used in the
USA, short range, run every hour, 1 hr time step, 18 hour duration, 13 km
resolution
high resolution rapid refresh (HRRR) - correct answer ✔numerical model
used in the USA, short range, run every hour, 15 minute time step on one
hour plots, 18 hour duration, 3 km resolution
North American Mesoscale Model (NAM, NMM, WRF) - correct answer
✔numerical model used in the USA, short range, run 4 times a day at 00Z,
06Z, 12Z, 18Z, 84 hour duration, 3 hour time step, 12 km resolution
Global Forecasting Systems (GFS) - correct answer ✔numerical model used
in the USA, medium range, run 4 times a day at 00Z, 06Z, 12Z, 18Z, 16 day
duration, 1 hour time step for the first 5 days, 13 km resolution for the first 10
days
which numerical models are short range - correct answer ✔RAP, HRRR,
NAM/NMM/WRF
MOS - correct answer ✔A multiple linear regression technique in which
predictands are related statistically to one or more predictors
,what does MOS do - correct answer ✔Relates observed weather elements
(predictands) to appropriate variables (predictors) via a statistical approach
what is the specific type of MOS that is used for aviation forecasts - correct
answer ✔LAMP (localized aviation MOS program) MOS
which organization is responsible for creating the Area Forecast Discussion -
correct answer ✔National Weather Service product, issued by Weather
Forecasting Offices
what information is contained in an AFD? - correct answer ✔A well-reasoned
discussion of the meteorological rationale for the forecast
what types of weather briefings are provided by a Flight Service Station -
correct answer ✔standard, abbreviated, outlook. delivered via telephone,
inflight, or over the internet
standard briefing - correct answer ✔request when not received previous
briefing or have not received preliminary weather information. Will discuss
adverse conditions, VFR not recommended, synopsis, current conditions,
enroute forecast, destination forecast, winds aloft, NOTAMs, ATC delays
abbreviated briefing - correct answer ✔request when you need information to
supplement other data, update a previous briefing, or if you need only one or
two specific items
outlook briefing - correct answer ✔request when the ETD is greater than 6
hours from briefing time, will be provided with available forecast data. Should
be supplemented before departure with a standard or abbreviated briefing
, what is the name of the company that holds the FAA contract for telephone
and Internet weather briefings - correct answer ✔Leidos
what is ATIS - correct answer ✔A continuous broadcast of recorded
essential but routine information at selected high activity terminal areas
purpose of ATIS - correct answer ✔Improve controller effectiveness and
reduce ground, approach, and local control frequency congestion
which ATC facility makes Weather Advisory Broadcast - correct answer ✔Air
Route Traffic Control Centers (ARTCCs)
flight information services - correct answer ✔Method of disseminating
meteorological and aeronautical information to the cockpit
3 types of flight information services - correct answer ✔Broadcast mode
(FIS-B), contract/demand mode, contract/update mode. FIS-B is operational
at this time
what do you need to use FIS-B - correct answer ✔ground or space
transmitter, aircraft receiver, portable or installed cockpit display
three hazards resulting from turbulence - correct answer ✔Loss of control
Airframe damage
Passenger comfort and safety
type of aircraft operations in which turbulence produces the greatest
frequency of accidents - correct answer ✔part 121 (74%)
