NOUS75 KGJT 220411
ADMGJT
TO:    CR ROC/ALL CENTRAL REGION STATIONS
FROM:  GJT/CR ROC PER JIM KEENEY
AOMC IS AWARE OF THE ASOS ERRORS IN FIELD ELEVATIONS AND ALTIMETER 
READINGS AND ARE PERFORMING A FIX CURRENTLY. THE MESSAGES BELOW FROM 
SRH...IS BEING SENT TO CENTRAL REGION STATIONS PER THE REQUEST OF 
THE CR ROC. 
***UPDATED MESSAGE***
2ND UPDATE ON ASOS ERRORS IN FIELD ELEVATIONS AND ALTIMETER 
WE JUST RECEIVED WORD THAT AOMC IS ABLE TO FIX THIS PROBLEM REMOTELY 
AND HAS FIXED THE PROBLEM AT OVER 300 SITES AS OF 1020 PM CDT. 
THEREFORE...IT IS NOT NECESSARY TO CONTACT YOUR ASOS TECH AS WAS 
STATED IN THE PREVIOUS MESSAGE. 
WE STILL REQUEST THAT FICS ACKNOWLEDGE THE PREVIOUS MESSAGE AND 
CHECK THEIR ASOS FIELD ELEVATIONS.
***ORIGINAL MESSAGE RELAYED BY SRH ROC :***
SOME TIME BETWEEN FRIDAY EVENING AND THIS MORNING AOMC DISTRIBUTED A 
SOFTWARE UPGRADE FOR ASOS/S NATIONWIDE WHICH HAD AN ERROR IN IT. 
THIS ERROR CAUSED INCORRECT FILED ELEVATIONS WHICH IN TURN RESULTED 
IN INCORRECT ALTIMETER SETTINGS AND PRESSURE ALTITUDE AT SOME ASOS 
SITES.  SOUTHERN REGION HEADQUARTERS REQUESTS THAT ALL SITES 
ACKNOWLEDGE THIS MESSAGE BY SENDING AN EMAIL IMMEDIATELY TO:
 
SR-SRH.ROC@NOAA.GOV  
ALSO...FIC/S ARE REQUESTED TO CHECK ALL ASOS SITES IN THEIR AREA BY 
DIALING IN AND REVIEWING THE STATION ELEVATIONS.  ANY ERRORS FOUND 
SHOULD BE REPORTED TO THE OFFICE ASOS TECHNICIAN AS SOON AS POSSIBLE.
SOD HAS ALSO SENT ALL ESA/S AN EMAIL WITH THE PROPER FIX TO THE 
AFFECTED SITES.  
THANK YOU FOR YOUR ATTENTION TO THIS IMPORTANT MATTER.
$$