FJXN20 RJTD 050600
STRATALERT TOKYO 05 FEB
2013 0600 UTC
30-HPA ANALYSIS 1200UTC 03 FEB
1. COLD MINUS 72 48N 15W,
   WARM MINUS 50 53N 125E,
   LOW  297 75N 40W,
   HIGH 380 45N 127W.
2. CONDITIONS
   AT 30-HPA HEIGHT FIELD,
   ANTICYCLONE IS SEEN OVER NORTHWESTERN NORTH AMERICA.
   POLAR VORTEX IS LOCATED OVER GREENLAND.
   COLD AIR LIES OVER THE EASTERN NORTH ATLANTIC.
   WARM AIR LIES TO THE EAST OF THE LAKE BAIKAL.
   WESTERLY WIND IS OBSERVED OVER THE POLAR REGION
   THROUGHOUT THE STRATOSPHERE.
3. STRATALERT ENDS.
   MAJOR WARMING ENDED AT 30-HPA.
REMARK: THE HEIGHT DATA SHOULD BE READ IN DECAMETERS
        ADDING 20 KILOMETERS.=