<s>
The	O
Aggie	B-Algorithm
Doppler	I-Algorithm
Radar	I-Algorithm
(	O
ADRAD	B-Algorithm
)	O
is	O
a	O
Doppler	B-Application
weather	I-Application
radar	I-Application
located	O
on	O
the	O
roof	O
of	O
the	O
Eller	O
Oceanography	O
&	O
Meteorology	O
Building	O
on	O
the	O
Texas	O
A&M	O
University	O
campus	O
in	O
College	O
Station	O
,	O
Texas	O
.	O
</s>
<s>
The	O
Meteorology	O
department	O
first	O
began	O
its	O
study	O
of	O
convective	O
storms	O
with	O
the	O
use	O
of	O
a	O
3cm	O
wavelength	O
radar	B-Application
in	O
the	O
early	O
1950s	O
.	O
</s>
<s>
After	O
several	O
modifications	O
,	O
the	O
radar	B-Application
was	O
placed	O
on	O
top	O
of	O
the	O
newly	O
completed	O
Eller	O
O&M	O
Building	O
in	O
1973	O
.	O
</s>
<s>
In	O
1992	O
,	O
the	O
Aggie	B-Algorithm
Doppler	I-Algorithm
RADar	I-Algorithm
was	O
born	O
with	O
the	O
installation	O
of	O
doppler	B-Algorithm
capability	O
.	O
</s>
<s>
In	O
the	O
early	O
1950s	O
,	O
the	O
department	O
received	O
a	O
3-cm	O
weather	B-Application
radar	I-Application
,	O
AN/CPS	O
-9	O
,	O
from	O
the	O
US	O
Air	O
Force	O
.	O
</s>
<s>
Using	O
this	O
3-cm	O
radar	B-Application
,	O
researchers	O
studied	O
mid-latitude	O
mesoscale	O
systems	O
,	O
severe	O
storms	O
,	O
and	O
land-falling	O
cyclones	O
.	O
</s>
<s>
The	O
AN/CPS	O
-9	O
model	O
was	O
the	O
first	O
purpose-built	O
weather	B-Application
radar	I-Application
.	O
</s>
<s>
On	O
5	O
April	O
1956	O
,	O
a	O
tornado	O
that	O
produced	O
damage	O
in	O
Bryan	O
and	O
College	O
Station	O
,	O
Texas	O
,	O
was	O
detected	O
by	O
the	O
Texas	O
A&M	O
University	O
radar	B-Application
.	O
</s>
<s>
The	O
Texas	O
A&M	O
University	O
radar	B-Application
observed	O
strong	O
,	O
tall	O
,	O
hook-shaped	O
echoes	O
with	O
V-notch	O
signatures	O
after	O
1400	O
LT	O
.	O
At	O
1445	O
LT	O
,	O
Texas	O
A&M	O
University	O
meteorologists	O
called	O
the	O
Bryan	O
Police	O
Department	O
and	O
forecast	O
that	O
a	O
tornado	O
would	O
touch	O
down	O
30	O
min	O
.	O
</s>
<s>
This	O
is	O
probably	O
the	O
first	O
warning	O
based	O
solely	O
on	O
interpretation	O
of	O
radar	B-Application
data	O
and	O
is	O
a	O
good	O
example	O
of	O
effective	O
interaction	O
between	O
warning	O
meteorologists	O
and	O
the	O
local	O
community	O
.	O
</s>
<s>
Today	O
,	O
with	O
improved	O
warning	O
dissemination	O
methods	O
,	O
increased	O
community	O
preparedness	O
,	O
and	O
better	O
radar	B-Application
capabilities	O
and	O
coverage	O
,	O
it	O
would	O
be	O
less	O
likely	O
that	O
a	O
research	O
team	O
would	O
be	O
issuing	O
warnings	O
to	O
communities	O
directly.	O
"	O
</s>
<s>
In	O
1962	O
,	O
a	O
longer	O
wavelength	O
radar	B-Application
,	O
10-cm	O
,	O
was	O
constructed	O
and	O
designated	O
WSR/TAMU	O
-1	O
.	O
</s>
<s>
After	O
several	O
modifications	O
,	O
the	O
radar	B-Application
was	O
placed	O
on	O
top	O
of	O
the	O
newly	O
completed	O
Eller	O
O&M	O
Building	O
in	O
1973	O
.	O
</s>
<s>
More	O
modifications	O
were	O
made	O
in	O
1989	O
in	O
anticipation	O
of	O
adding	O
Doppler	B-Algorithm
capability	O
.	O
</s>
<s>
One	O
of	O
the	O
storms	O
that	O
was	O
tracked	O
with	O
this	O
radar	B-Application
was	O
Hurricane	O
Alicia	O
in	O
1983	O
.	O
</s>
<s>
As	O
the	O
storm	O
made	O
landfall	O
,	O
the	O
Galveston	O
NWS	O
office	O
lost	O
its	O
radar	B-Application
.	O
</s>
<s>
The	O
A&M	O
radar	B-Application
tracked	O
the	O
remnants	O
as	O
they	O
moved	O
inland	O
.	O
</s>
<s>
The	O
integration	O
of	O
a	O
Lassen	O
Research	O
PSP-32	O
processor	O
in	O
1992	O
enabled	O
Doppler	B-Algorithm
capability	O
.	O
</s>
<s>
The	O
new	O
system	O
was	O
renamed	O
the	O
TAMU	O
Aggie	B-Algorithm
Doppler	I-Algorithm
Radar	I-Algorithm
(	O
TAMU-ADRAD	O
)	O
.	O
</s>
<s>
Starting	O
in	O
October	O
1998	O
,	O
live	O
radar	B-Application
pictures	O
from	O
the	O
ADRAD	B-Algorithm
were	O
available	O
online	O
during	O
storms	O
.	O
</s>
<s>
In	O
2016	O
,	O
ADRAD	B-Algorithm
data	O
became	O
available	O
for	O
use	O
by	O
the	O
National	O
Weather	O
Service	O
offices	O
and	O
research	O
teams	O
through	O
Gibson	O
Ridge	O
Analyst	O
software	O
(	O
GRLevelX	B-Application
)	O
.	O
</s>
<s>
This	O
frequency	O
is	O
in	O
the	B-Algorithm
S	I-Algorithm
band	I-Algorithm
,	O
which	O
is	O
also	O
used	O
by	O
the	O
NEXRAD	B-Algorithm
network	O
.	O
</s>
