Letter symbols depict type of precipitation --
rain, hail, snow, ice pellets, etc.
Dashed boxes indicate severe thunderstorm
and tornado watch areas
Point to the weather watch area in central Texas on the chart.
Refer to the Radar Summary Chart (Figure 14).
Texas, what information can be derived?
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.
Sg 5, fr 7
Fig 15: Low-Level
Low-level significant weather prognostic chart
symbologysurface to 24,000 ft MSL
Smooth lines enclose forecast areas of IFR
conditions; scalloped lines enclose marginal
VFR (MVFR) conditions
Broken line depicts areas of moderate or
greater turbulencenumbers with bars denote
Dashed lines display the freezing level at
altitudes of 4,000, 8,000, 12,000, and 16,000 ft