segmentation fault

NCL,
I am currently running a script that first reads in several variables from
several NetCDF files. I am concerned, however, because although the script
runs, there is always a "segmentation fault" message at the bottom of my output
terminal. I've verified the contents/variables of these files I am trying to
access actually exist. Is it possible that I'm using too much memory on my
computer to read in this data? If not, what are the other possible explanations
to this problem and how do I fix it? Any feedback would be much appreciated.
Thank you so much.

This is a copy of the first portion of my script:

;***********************************************************
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"

;***********************************************************

external POTENTIALINTENSITY "./PotentialIntensity.so"

begin

;******************** USER DEFINED VARIABLES***********************
dir="/mc1s1/s4/jjw348/historicalSST_monthly/"

file_obs = "cam3.1.ctl.t85_observed_monthly_1979_2000.cam2.h0.1981-01.nc"
w0=addfile(dir+file_obs,"r")
lat0 = w0->lat
lon0 = w0->lon
u0Jan81 = w0->U ;(time,lev,lat,lon)
v0Jan81 = w0->V ;(time,lev,lat,lon)
tempJan81 = w0->T ;(time,lev,lat,lon)
rh_obsJan81= w0->RELHUM ;(time,lev,lat,lon)
lev = w0->lev
P0 = 1000.
hyam = w0->hyam
hybm = w0->hybm
ps1Jan81 = w0->PS(:,:,:) ;(time,lat,lon)
slpJan81 =w0->PSL

print(lon0)

exit

And here is the following output:

...
...
...
(224) 315
(225) 316.40625
(226) 317.8125
(227) 319.21875
(228) 320.625
(229) 322.03125
(230) 323.4375
(231) 324.84375
(232) 326.25
(233) 327.65625
(234) 329.0625
(235) 330.46875
(236) 331.875
(237) 333.28125
(238) 334.6875
(239) 336.09375
(240) 337.5
(241) 338.90625
(242) 340.3125
(243) 341.71875
(244) 343.125
(245) 344.53125
(246) 345.9375
(247) 347.34375
(248) 348.75
(249) 350.15625
(250) 351.5625
(251) 352.96875
(252) 354.375
(253) 355.78125
(254) 357.1875
(255) 358.59375
Segmentation fault

Jeff Waters
Graduate Student
Department of Meteorology
Penn State University '11

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Received on Fri Mar 4 06:30:07 2011