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GEOG 3031 > EXAM OCT 30TH > Flashcards

EXAM OCT 30TH Flashcards

1
Q

Fahrenheit to Celsius formula?

A

(ºF - 32) x 5/9

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2
Q

Celsius to Fahrenheit formula?

A

(ºC x 9/5) + 32

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3
Q

conversion of knots to MPH?

A

knots x 1.151

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4
Q

conversion of MPH to knots?

A

mph / 1.151

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5
Q

what is Zulu time?

A
  • universal time zone
  • Universal Time Coordinated (UTC) and Greenwich Mean Time (GMT)
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6
Q

how to convert Zulu time to EST/EDT?

A

EAST 4 HOURS
DAYLIGHT 5 HOURS
(SUBTRACT FROM ZULU)

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7
Q

identify the different types of observations discussed in class

A

sky condition, visibility, pressure (sea level), temperature, dewpoint, wind, and precipitation

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8
Q

be able to identify the main observational parameters, such as temp, dew point, wind, etc. on station plots

A

this is simple

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9
Q

pressure: why we measure it and UNITS

A
  • why: identify low/high systems, predict weather patterns
  • units: mb or hPa
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10
Q

radiation: why we measure it and UNITS

A

why: cloud cover, heat index, UV index
units: watts per sq meter - w/m^2

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11
Q

what is the relationship between Relative Humidity and Dew Point?

A

dew point is the temperature the air needs to be cooled to (at constant pressure) in order to achieve a relative humidity (RH) of 100%

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12
Q

what do COOP stand for?
why are they important?
what are their similarities/differences?

A
  • Cooperative Observer Program
  • weather and climate observing network directed by the NWS
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13
Q

what do CoCoRaHs stand for?
why are they important?
what are their similarities/differences?

A
  • Community Collaborative Rain, Hail, and Snow Network
  • anyone can participate
  • started in CO in 1988
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14
Q

what types of people comprise the COOP?

A

volunteers

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15
Q

what are Mesonets?
why are they important?

A
  • a high-density network of weather stations designed to observe mesoscale meteorological phenomena
  • rapid data collection of various weather parameters, localized mesoscale phenomena (thunderstorms, squall lines, dry lines) can be easily spotted
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16
Q

compare/contrast COOP vs. Mesonets.

A
  • mesonets report observations much more frequently and are much more spatially dense
  • human errors are also eliminated; however, technological errors (calibration) can still occur
17
Q

what are some problems with manual weather observation?

A
  • reports can be subjective
  • could also have inconsistencies
18
Q

decode a METAR from start to Remarks
(remarks will be worth BONUS points if you can identify them.)

A

fml

19
Q

decode a TAF from start to finish

A

fml

20
Q

be prepared to decode/analyze/place isopleths on a station map. BRING COLORED PENCILS FOR THIS!

A

fml

21
Q

what are the 6 standard atmospheric variables/areas that weather stations measure (covered in lecture)?

A

wind, pressure/tendency, temperature/dew point, cloud cover, present weather conditions

22
Q

what is the datalogger?

A
  • ‘brain’ of the operation
  • all instruments wired to this device
23
Q

what is the barometer?
what’s it look like?
how high up?

A
  • measures pressure
  • tiny box in datalogger
  • 2 METERS UP
24
Q

what is the thermistor?
what’s it look like?
how high up?

A
  • measures temperature
  • looks like a tornado siren
  • 2 METERS HIGH
25
Q

what is the electric hygrometer?
what’s it look like?
how high up?

A
  • measures dew point
  • sits next to thermistor
  • 2 METERS HIGH
26
Q

what are the anemometer/wind vane?
what’s it look like?
how high up?

A
  • measure wind speed/direction
  • airplane thing on top
  • 10 METERS HIGH
27
Q

what is the tipping bucket?
what’s it look like?
how high up?

A
  • measures precip
  • SNOW/ICE RATION 10:1
  • away from tower at ground level
28
Q

what is the ultrasonic snow depth sensor?
what’s it look like?
how high up?

A
  • measures snow
  • looks like a shower head
  • HEIGHT NEVER STATED
29
Q

what is a pyranometer?
what’s it look like?
how high up?

A
  • measures UV radiation
  • security camera thing
  • HEIGHT NEVER STATED
30
Q

what is a pyrgeometer?
what’s it look like?
how high up?

A
  • measures infrared radiation
  • security camera thing
  • HEIGHT NEVER STATED
31
Q

what is a radiometer?
what’s it look like?
how high up?

A
  • measures net radiation
  • security camera thing
  • HEIGHT NEVER STATED
32
Q

be able to place these instruments into their proper locations on a tower image

A

yuh

33
Q

be able to match instruments to their proper titles/parameters

A

mhm

34
Q

errors that may occur with precipitation measurements?

A

leaves, debris, sideways wind/precip, people peein

GEOG 3031 (2 decks)

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