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weather final > weather quiz 4 > Flashcards

weather quiz 4 Flashcards

1
Q

radar characteristics of “convective precipitation”

A

echos form a line
reflective gradient are strong
precipitation range from moderate to extreme
echo patterns change rapidly when animating image

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2
Q

radar characteristics of “Stratiform precipitation”

A

widespread
weak reflective gradients
precipitation intensities are generally light or moderate
echo patterns change slowly when animating image

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3
Q

types of satellite imagery

A

visible
infrared (IR)
water vapor

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4
Q

IFR is

A

less than 1000 ft ceiling

3 SM visibility

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5
Q

VFR is

A

greater than 3000 ft ceiling

5 SM visibility

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6
Q

MVFR

A

1000-3000 ft ceiling

3-5 SM visibility

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7
Q

Sigmets provide notice of

A

hazardous weather

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8
Q

what weather phenomenon is covered by convective sigmets

A

thunderstorms
severe icing
severe turbulence
LLWS

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9
Q

T/F: convective sigmets are unscheduled and issued as required

A

false

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10
Q

instances whan aSpecial Convective sigmets is issued

A

Hail 3/4” or greater
tornadoes
gust 50 nts or greater

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11
Q

Which has more severe weather a sigmet or airmet

A

sigmets

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12
Q

airmet sierra

A

IFR/mountain obscuration

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13
Q

airmet tango

A

turbulence

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14
Q

aimet zulu

A

icing

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15
Q

What does weather depiction charts give you an overview of

A

ceilings and visibility

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16
Q

wind speeds:

penent (sideways triangle)

A

50kts

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17
Q

wind speeds:

full barb

A

10kts

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18
Q

wind speeds:

half barbs

A

5kts

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19
Q

which type of weather product is a prog chart

A

forecast

20
Q

Define LLWS

A

Wind shears below 2000 ft AGL that are 10 kts or above

21
Q

what instrument is used to collect upper air data

A

radio scone

22
Q

what are stream lines in the winds aloft chart

A

lines of wind direction

23
Q

solid red lines on a low level sigwx chart

A

IFR

24
Q

scalloped blue lines on a low level sigwx chart

A

MVFR

25
Q

dashed brown lines on a low level sigwx chart

A

moderate or greater turbulence

26
Q

bold green line on the mid or high level sigwx chart

A

jet streams

27
Q

2 lines slashed through the bold green lines

A

20 kt speed change

28
Q

CWAs are used by controllers to

A

facilitate safe and orderly flow of air traffic

29
Q

MISs are for

A

ATC planning purposes only

30
Q

difference between Convective oultook and convective sigmet

A 
outlook = forecast
sigmet = warning
31
Q

diffence between watch and warning

A 
watch = possible
warning = happening now
32
Q

An Aviation Watch Notification Message (SAW) defines area of possible

A

tornadoes
large hail
damaging convective winds

33
Q

the CCFP is intended to be used as

A

a planning tool for air traffic management

34
Q

the NCWF is available for use by

A

general aviation
dispatch
traffic management

35
Q

hurricanes are measured by

A

wind speed

36
Q

depression wind speed

A

less than 34kts

37
Q

storm wind speed

A

34 - 63 kts

38
Q

hurricane wind speeds

A

greater than 64 kts

39
Q

what scale did he show us to use to measure hurricanes

A

saffir-simpson scale

40
Q

CAT 1 wind speed

A

74-95 MPH

64-82 KT

41
Q

CAT 2 wind speed

A

96-110 MPH

83-95 KT

42
Q

CAT 3 wind speed

A

111-129 MPH

96-112 .KT

43
Q

CAT 4 wind speed

A

130-156 MPH

113-136 KT

44
Q

CAT 5 wind speed

A

greater than
157 MPH
137 KT

45
Q

definition of freezing level

A

0C / 32F

or below

weather final (4 decks)

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