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the Sierra Corporations Annual Newsletter > Weather in the Computer Era > Flashcards

Weather in the Computer Era Flashcards

1
Q
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PIREP Reporting Nil Turbulence

(Nil means none)

Line through circle slants left

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2
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PIREP Reporting Nil Icing

(Nil means none)

Line through circle slants right

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3
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PIREP Reporting less than Light Turbulence

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4
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PIREP Reporting Light Turbulence

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5
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PIREP Reporting Light to Moderate Turbulence

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6
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PIREP Reporting Moderate Turbulence

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7
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PIREP Reporting Moderate to Severe Turbulence

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8
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PIREP Reporting Severe Turbulence

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9
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PIREP Reporting Extreme Turbulence

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10
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PIREP Reporting Trace Icing

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11
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PIREP Reporting Trace to Light Icing

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12
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PIREP Reporting Light Icing

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13
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PIREP Reporting Light to Moderate Icing

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14
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PIREP Reporting Moderate Icing

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15
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PIREP Reporting Moderate to Severe Icing

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16
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PIREP Reporting Severe Icing

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17
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PIREP Reporting Low-Level Wind Shear

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18
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PIREP Reporting Other Phenomena

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19
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Convective SIGMET Area

Also depicts cloud top heights

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20
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Icing SIGMET area

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21
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IFR SIGMET Area

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22
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Tropical Cyclone SIGMET Area

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23
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Tornado Warning Area

Depicted only on Graphical Forecast for Aviation (GFA) charts.

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24
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Thunderstorm SIGMET Area

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25
Turbulence SIGMET Area
26
Ice Storm Warning Area Only depicted on Graphical Forecast for Aviation (GFA) charts.
27
Lake Effect Snow Warning Area (Primarily on and around the Great Lakes) Only depicted on Graphical Forecast for Aviation (GFA) charts.
28
Severe Thunderstorm Warning Area Only depicted on Graphical Forecast for Aviation (GFA) charts.
29
Storm Warning Area Only depicted on Graphical Forecast for Aviation (GFA) charts.
30
Volcanic Ash SIGMET Area
31
Blizzard Warning Area Only depicted on Graphical Forecast for Aviation (GFA) charts.
32
Gale Warning Area Only depicted on Graphical Forecast for Aviation (GFA) charts.
33
High Wind Warning Area Only depicted on Graphical Forecast for Aviation (GFA) charts.
34
Winter Storm Warning Area Only depicted on Graphical Forecast for Aviation (GFA) charts.
35
What is the wind speed and direction? (Up is North)
0 knots sustained 20 knot gusts From the North (Stick indicates direction the wind is from) Red barbs (lines) or half barbs indicate gust Add all black flags and barbs then red flags and barbs to get total gust Circle around the station indicates calm winds
36
What is the wind speed and direction? (Up is North)
45 knots From the West (Stick indicates direction the wind is from) Full barbs (lines) indicate 10 knots Half barbs (lines) indicate 5 knots Add all together to get total wind speed
37
What is the wind speed and direction? (Up is North)
80 knots From the west (Stick indicates direction the wind is from) A flag (Triangle) indicates 50 knots A full barb (Line) indicates 10 knots Add together for total wind speed
38
What is the wind speed and direction? (Up is North)
100 knots From the West (Stick indicates direction the wind is from) A Flag (Triangle) indicates 50 knots of wind Add together for total wind speed
39
What is the Wind Speed and Direction? (Up is North)
Wind speed: 10 knots gusting to 20 knots Direction: From the Northeast Barbs (lines) always point in direction wind is coming from. Black barbs are sustained winds while red barbs are the gusts. Full barbs indicate 10 knots Add black barbs together for total wind speed then add red barbs for total gusts.
40
What is the Temperature and Dew Point?
Temperature: 62 degrees Fahrenheit Dew Point: 34 degrees Fahrenheit Top left number is temperature, bottom left number is Dew Point. Always in Fahrenheit.
41
What is the Cloud Cover and Flight Category?
Cloud Cover: Skies Clear Flight Category: VFR Fill of center circle indicates cloud cover in eighths (0/8 sky coverage, here). Color of center circle indicates flight category.
42
What is the Ground Visibility?
10 Statute Miles Center left number is the reported visibility in Statute Miles (SM).
43
What is the Pressure?
29.76 "Hg Top right number reports pressure. First number is removed and will be a 2 or 3, whichever will bring it closer to 30.00 "Hg.
44
What is the Cloud Cover?
Cloud Cover: Missing Cloud cover information is missing/not reported.
45
What is the Present Weather?
Haze Present weather is reported between the Temperature and Dew Point. The "infinity" symbol between the Temperature and Dew point means Haze.
46
What is the Present Weather?
Heavy Rain Present weather is reported between the temperature and dewpoint.
47
What is a G-AIRMET?
A graphical advisory of weather that may be hazardous to aircraft but are less severe than SIGMETS Only valid at specific times/snapshots
48
What time periods does a single G-AIRMET publishment have forecasts for?
Discrete times 3 hr apart for a period of up to 12 hr into the future (00, 03, 06, and 09 hr into the future) …this would consist of one G-Airmet issuance
49
When are G-AIRMETS issued?
0300, 0900, 1500, and 2100Z (with updates issued as necessary) …each of these updates consists of time blocks that shows the forecast for every 3 hrs into the future (I.e. so the 0300 forecast would have estimates for 3,6,9, and 12 hr into the future from 0300)
50
Smoke or Volcanic Ash FU VA
51
Haze HZ
52
Sand or Dust SA or DU
53
Blowing Dust/Blowing Sand BLDU/BLSA
54
Dust Devil PO
55
Vicinity Sand Storm VCSS
56
Mist or Light Fog BR
57
More or less continuous shallow fog MIFG | (Less than 6 feet thick)
58
Vincity Thunderstorm VCTS Lighting visible
59
Vicinity Showers VCSH
60
Squalls SQ
61
Funnel Cloud or Tornado FC
62
Sand Storm SS
63
Strong Sand Storm +SS
64
Drifting Snow DRSN
65
Blowing Snow BLSN
66
Freezing Fog FZFG
67
Freezing Fog, sky discernible
68
Fog FG
69
Fog, sky discernible PRFG
70
Patchy Fog BCFG
71
Vicinity Fog VCFG
72
Unknown Precipitation/Weather UP
73
Light Drizzle -DZ
74
Drizzle DZ
75
Heavy Drizzle +DZ
76
Light Freezing Drizzle -FZDZ
77
Moderate to heavy freezing drizzle FZDZ +FZDZ
78
Light drizzle and rain -DZRA
79
Moderate to heavy drizzle and rain DZRA
80
Virga or precipitation not hitting the ground VIRGA
81
Light Rain and Snow -RASN
82
Moderate to Heavy Rain and Snow RASN +RASN
83
Light Freezing Rain -FZRA
84
Moderate to Heavy Freezing Rain FZRA +FZRA
85
Light Rain -RA
86
Moderate Rain RA
87
Heavy Rain +RA
88
Light Snow -SN
89
Moderate Snow SN
90
Heavy Snow +SN
91
Snow Grains SG
92
Ice Crystals IC
93
Ice Pellets PE PL
94
Light Rain Showers -SHRA
95
Moderate to Heavy Rain Showers SHRA +SHRA
96
Light Rain and Snow Shower -SHRASN
97
Moderate to Heavy Rain and Snow Showers SHRASN +SHRASN
98
Light Snow Showers -SHSN
99
Moderate to Heavy Snow Showers SHSN +SHSN
100
Light showers with small hail -GS
101
Moderate to heavy showers with small hail GS
102
Light showers with hail, not with thunder -GR
103
Moderate to heavy showers with hail, not with thunder GR
104
Thunderstorm with or without precipitation TS
105
Thunderstorm with light to moderate rain TSRA
106
Thunderstorm with light to moderate snow TSSN
107
Thunderstorm with heavy rain +TSRA
108
Thunderstorm with heavy snow +TSSN
109
Thunderstorm with light to moderate hail TSGR
110
Thunderstorm with heavy hail
111
Clear CLR | 0/8
112
Few FEW | 1/8 - 2/8
113
Scattered SCT | 3/8 - 4/8
114
Broken BKN | 5/8 - 7/8
115
Overcast OVC | 8/8
116
Vertical Visibility VV/OVX
117
Missing
118
Flight Category
No ceiling or ceiling greater than 3,000 feet AGL and greater than 5 mile visibility | VFR
119
Flight Category
VFR with non-ceiling clouds below 3,000 ft AGL | VFR*
120
Flight Category
1,000 to 3,000 feet AGL and/or 3 to 5 miles | MVFR
121
Flight Category
500 to below 1,000 feet AGL and/or 1 miles to less than 3 miles | IFR
122
Flight Category
Below 500 feet and/or less than 1 mile | LIFR
123
Cold front
124
Warm front
125
Stationary front
126
Occluded front
127
Trough
128
Dry line
129
Squall
130
Hurricane
131
Tropical Storm
132
Cold frontogenesis
133
Warm frontogenesis
134
Stationary frontogenesis
135
Stationary frontolysis
136
Warm frontolysis
137
Cold frontolysis
138
Change of front type
139
Occluded frontolysis
140
High Pressure Center
141
Low Pressure Center
142
Tropical Wave
143
Tropical Depression
144
Ridge
145
What is the percentage for a chance of precipitation?
25% to less than 55%
146
What is the percentage for precipitation is likely?
55% or greater

the Sierra Corporations Annual Newsletter (32 decks)

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