Metro-03
Meteorology Review
d.
Letter symbols depict type of precipitation --
rain, hail, snow, ice pellets, etc.
e.
Dashed boxes indicate severe thunderstorm
and tornado watch areas
LESSON NOTES
Point to the weather watch area in central Texas on the chart.
?
Refer to the Radar Summary Chart (Figure 14).
Regarding the area of precipitation in central
Texas, what information can be derived?
ANSWER: The precipitation is within a weather watch area
with severe thunderstorms, a squall line, possible tornadoes,
a radar return of 50,000 ft MSL, and cell movement to the
northeast at 35 kts.
B.
Prognostic charts
Sg 5, fr 7
Fig 15: Low-Level
1.
Low-level significant weather prognostic chart
Prognostic Chart
symbology—surface to 24,000 ft MSL
a.
Smooth lines enclose forecast areas of IFR
conditions; scalloped lines enclose marginal
VFR (MVFR) conditions
b.
Broken line depicts areas of moderate or
greater turbulence—numbers with bars denote
altitude
c.
Dashed lines display the freezing level at
altitudes of 4,000, 8,000, 12,000, and 16,000 ft
(7-97) Original
Page 3-33
Previous Page
