Show:
METAR
AIRMET/SIGMET
WEATHER INFO
THUNDER STORMS
MISC
100

-RA

Light Rain 

100

Duration of Airmet 

6hr
100

METARs and PIREPs are examples of 

Obsevations 

100

Phases of a thunderstorm 

Cumbulus, Mature, Dissapating 

100

91.103 concerning weather 

Preflight actions


Need to check the weather 
200

PK WND 23028/1529

Peak Wind 230 @ 28 1529z 

200

Airmet Zulu 

Iceing 

200

TAF, Winds Aloft, Prog Charts, and MOS are examples of 

Forecasts 

200

Minimum distance to stay away from a thunderstorm 

20NM

200

Ways to spot a Micro burst Dry and Wet 

Ring of dust on ground, Rain/virga 

300

R18/5000VP6000ft

Runway 18 RVR 5000 variable 6000 plus 

300

SIGMETs are for 

All Aircrafts 
300

Winds aloft 30000ft 

646544

winds 140@165 neg 44 temp 

300

Ingredients of a thunderstorm 

Unstable Lapse Rate 

moisture 

lifting Action 

300

Number of Static wicks on 172 

10 

400

LTGICCGCACC OHD-ALQDS

Lightning, in cloud, cloud-to-ground, cloud-to-air, cloud-to-cloud. overhead all quadrants 

400

duration of Convective SIGMET 

2Hr

400

Area and time a TAF is good for 

24 or 30 Hr 5SM/4NM radius 

400

Dangers of a thunderstorm 

Turbulence/wind shear/ 

Hail 

Icing 

lightning 

IFR 

400

Why don't we use ABS-B weather data to navigate 

Lag/Delay 

500

UPB36E38B54SNB38E54

Unknown presp began 36 ended 38 began 54 Snow began 38 ended 54

500

Reasons for issuing a Convective SIGMET 

  • Embedded thunderstorms
  • A line of thunderstorms
  • Thunderstorms with heavy precipitation affecting 40%+ of an area at least 3,000 square miles
  • Surface winds 50+ knots due to severe thunderstorm
  • Hail 3/4+ inches in diameter
  • Tornadoes
500

How often is a Convective SIGMET issued

As needed 

500

A nonfrontal, narrow band of active thunderstorms that often develops ahead of a cold front

Squall Line 

500

Type of weather radar that we can use for in-flight navigation 

Onboard Radar