<s>
The	O
Nested	B-Application
Grid	I-Application
Model	I-Application
(	O
usually	O
known	O
as	O
NGM	O
for	O
short	O
)	O
was	O
a	O
numerical	B-General_Concept
weather	I-General_Concept
prediction	I-General_Concept
model	O
run	O
by	O
the	O
National	O
Centers	O
for	O
Environmental	O
Prediction	O
,	O
a	O
division	O
of	O
the	O
National	O
Weather	O
Service	O
,	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
However	O
,	O
though	O
the	O
NGM	O
ceased	O
widespread	O
use	O
in	O
the	O
early	O
2000s	O
due	O
to	O
the	O
GFS	O
and	O
improvements	O
in	O
the	O
Eta	O
model	O
(	O
later	O
the	O
North	B-Application
American	I-Application
Mesoscale	I-Application
Model	I-Application
)	O
,	O
and	O
the	O
NGM	O
's	O
short-range	O
LAMP	O
products	O
were	O
phased	O
out	O
in	O
2006	O
,	O
NGM	O
MOS	O
products	O
continued	O
to	O
be	O
in	O
significant	O
general	O
use	O
(	O
alongside	O
the	O
Eta/NAM	O
and	O
GFS	O
)	O
until	O
March	O
3	O
,	O
2009	O
,	O
when	O
the	O
NGM	O
MOS	O
products	O
were	O
discontinued	O
.	O
</s>
