000 NOUS63 KGRB 191551 FTMGRB Message Date: Nov 19 2009 15:51:49 BETWEEN 16Z AND 18Z, OR BETWEEN 10 AM AND NOON THIS MORNING ON NOVEMBER 19 2009, KGRB 88D DOPPLER RADAR MAY EXPERIENCE INTERMITTENT RADAR OUTAGES DUE TO SCHEDUL ED MAINTENANCE.