:Product: 19971229GEOA.txt :Issued: 1997 Dec 29 0330 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # GEOALERT WWA363 UGEOA 20401 71229 0330/ 9935/ 11291 20291 30291 99999 UGEOE 20401 71229 0330/ 28/01 14111 1411/ 14121 9//99 01502 0//// ///// 9//// 99999 UGEOI 20401 71229 0330/ 28/// 10055 21020 30000 40000 50000 61507 71804 80003 90410 99999 UGEOR 20401 71229 0330/ 28/24 29103 18124 20000 30100 45323 50190 60015 32420 17100 18126 20000 30000 43412 50210 60008 11622 02000 18128 20000 30000 42012 50010 60002 46828 00000 99999 PLAIN STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. STRATOSPHERIC WARMING CONTINUES. WARM AIR COVERS MOST OF THE NORTHERN HIGH LATITUDES, TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE REVERSED FROM 50 HPA UPWARDS INTO THE UPPER STRATOSPHERE.