Radar Weather Reports (SD's) RAREP's

Question 0

Radar weather reports (RAREP’s/SD’s)

How often & when are RAREP’s issued?

Answer 0

35 minutes past each hour or when necessary.

Question 1

Radar weather reports (RAREP’s/SD’s)

Radar weather reports are issued by WHAT?

Answer 1

Radar Stations.

Question 2

Radar weather reports (RAREP’s/SD’s)

Give an overview of what SD’s provide?

Answer 2

Precipitation: type/intensity/echo top location/direction/speed/height and base in MSL.

Question 3

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

MEANING

What is RW

Answer 3

Rain Shower

Question 4

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

MEANING

What is R

Answer 4

Rain

Question 5

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

MEANING

What is SW

Answer 5

Snow Shower

Question 6

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

MEANING

What is S

Answer 6

Snow

Question 7

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

INTENSITY

What is -

Answer 7

Light

Question 8

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

MEANING

What is T

Answer 8

Thunderstorm

Question 9

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

INTENSITY

What is +

Answer 9

Heavy

Question 10

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

INTENSITY

What is (none)

Answer 10

Moderate

Question 11

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

INTENSITY

What is X

Answer 11

Intense

Question 12

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

INTENSITY

What is ++

Answer 12

Very Heavy

Question 13

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

INTENSITY

What is XX

Answer 13

Extreme

Question 14

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

OPERATIONAL STATUS

What is PPINE

Answer 14

Radar is operating normally but there are no echoes being detected.

Question 15

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

OPERATIONAL STATUS

What is PPINA

Answer 15

Radar observation is not available.

Question 16

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

OPERATIONAL STATUS

What is PPIOM

Answer 16

Radar is inoperative or out of service.

Question 17

Radar weather reports (RAREP’s/SD’s)

SYMBOLS

OPERATIONAL STATUS

What is AUTO

Answer 17

Automated radar report from WSR-88D.

Question 18

Radar weather reports (RAREP’s/SD’s)

What does a RAREP not include?

Answer 18

Cloud bases and tops, ceilings and visibility. So only precipitation (not vapour).

Question 19

Radar weather reports (RAREP’s/SD’s)

What does a typical RAREP include?

Answer 19

1. Location identifier and time of radar observation.
2. Echo pattern (LN/AREA/CELL).
3. Area coverage in tenth’s.
4. Type and intensity of weather.
5. Azimuth reference and range.
6. Dimension of echo pattern.
7. Cell movement.
8. Maximum Top and location.
9. AUTO (if reported automatically from WSR-88D radar data.
10. Figures to prepare radar summary charts.

Question 20

Radar weather reports (RAREP’s/SD’s)

What does this mean?

TLX 1935 LN 8 TRW++ 86/40 199/115 20W C2425 MTS 570 AT 159/65 AUTO ^M01 N02 ON3 PM34 QM3 RL2=

Answer 20

Automated from Oklahoma City. At 1935 UTC. Line of echoes 8/10th’s of the area.
Thunderstorms & very heavy rain showers. From 86degrees at 40NM & 199degrees at 115NM.
20 miles wide.
Cells within the line are moving from 240degrees at 25 Knots. Maximum top (determined by both Radar & Satellite) at 57000 ft 159degrees & 65NM out. The last line indicates the intensity of precipitation. EG: grid QM intensity is 3.