AEA CERTIFICATION STUDY EXAMS GUIDE QUESTIONS AND ANSWERS SURE

AEA CERTIFICATION STUDY EXAMS GUIDE
QUESTIONS AND ANSWERS SURE A+
✔✔Variable Prevailing Visibility. - ✔✔A condition when the prevailing visibility is less
than
3 miles and rapidly increasing and decreasing by ½ SM or more during the period of
observation.

✔✔CG
IC
CC
CA - ✔✔• Cloud to Ground
• In Cloud
• Cloud to Cloud
• Cloud to Air

✔✔Frequency:
Occasional- OCNL
Frequent- FRQ
Continuous- CNS - ✔✔• Less than 1 flash a minute
• 1 to 6 flashes a minute
• More than 6 flashes a minute

, ✔✔Summation Principle - ✔✔This principle states that the sky cover at any level is
equal to the summation of the sky
cover of the lowest layer plus the additional sky cover present at all successively higher
layers up to and including the layer being considered. No layer can be assigned a sky
cover less than a lower layer, and no sky cover can be greater than 8/8. This concept is
applicable for the evaluation of total sky cover as well as determining ceiling

✔✔FEW - ✔✔Few. A summation sky cover of a trace through 2/8ths

✔✔SCT - ✔✔Scattered. A summation sky cover of 3/8ths through 4/8ths

✔✔BKN - ✔✔Broken. A summation sky cover of 5/8ths through 7/8ths

✔✔OVC - ✔✔Overcast. A summation sky cover of 8/8ths

✔✔Cumulonimbus or Towering Cumulus. - ✔✔• SCT015TCU

• BKN035CB

✔✔Visibility Criteria (SPECI) - ✔✔Surface visibility as reported in the
body of the report decreases to
less than or if below increases to
equal or exceed:
• 3SM
• 2SM
• 1SM
• 1/2SM
• or published field landing
minima

✔✔Tornado Criteria (SPECI) - ✔✔• Is Observed
&
• Disappears from sight or ends

✔✔Thunderstorm Criteria (SPECI) - ✔✔•Begins
&
•Ends

• A special is not required to
report the beginning of a new
thunderstorm if one is currently
reported.

✔✔Hail Criteria (SPECI) - ✔✔• Begins
& (GR)