<s>
The	O
composite	B-Algorithm
reflectivity	I-Algorithm
is	O
the	O
maximum	O
dBZ	O
reflectivity	O
from	O
any	O
of	O
the	O
reflectivity	O
angles	O
of	O
the	O
NEXRAD	B-Algorithm
weather	B-Application
radar	I-Application
.	O
</s>
<s>
The	O
reflectivity	O
on	O
individual	O
PPI	B-Algorithm
angles	O
show	O
the	O
precipitation	O
intensity	O
at	O
that	O
specific	O
angle	O
above	O
the	O
horizon	O
.	O
</s>
<s>
In	O
the	O
Canadian	B-Algorithm
weather	I-Algorithm
radar	I-Algorithm
network	I-Algorithm
,	O
this	O
is	O
called	O
MAXR	O
,	O
for	O
Maximum	O
reflectivity	O
in	O
the	O
column	O
.	O
</s>
<s>
For	O
the	O
,	O
used	O
by	O
the	O
,	O
the	O
layer	O
composite	B-Algorithm
reflectivity	I-Algorithm
average	O
radar	O
product	O
compiles	O
data	O
from	O
all	O
elevation	O
angles	O
of	O
a	O
given	O
layer	O
to	O
display	O
the	O
average	O
reflectivity	O
of	O
that	O
layer	O
.	O
</s>
<s>
The	O
layer	O
composite	B-Algorithm
reflectivity	I-Algorithm
maximum	O
radar	O
product	O
compiles	O
data	O
from	O
all	O
elevation	O
angles	O
of	O
a	O
given	O
layer	O
to	O
display	O
the	O
maximum	O
reflectivity	O
of	O
that	O
layer	O
.	O
</s>
<s>
When	O
compared	O
to	O
the	O
base	O
angle	O
reflectivity	O
,	O
the	O
lowest	O
angle	O
of	O
elevation	O
sounding	O
,	O
the	O
composite	B-Algorithm
reflectivity	I-Algorithm
,	O
including	O
higher	O
elevation	O
scan	O
information	O
,	O
may	O
appear	O
to	O
indicate	O
more	O
widespread	O
rain	O
.	O
</s>
<s>
In	O
case	O
of	O
a	O
very	O
strong	O
updraft	O
,	O
a	O
Bounded	B-Algorithm
weak	I-Algorithm
echo	I-Algorithm
region	I-Algorithm
(	O
BWER	B-Algorithm
)	O
will	O
form	O
and	O
lead	O
to	O
the	O
possibility	O
of	O
severe	O
weather	O
.	O
</s>
