STRATALERT TOKYO 01 MAR
2010 0320 UTC
30-HPA ANALYSIS 1200UTC 27 FEB
1. COLD MINUS 71 73N 132W,
   WARM MINUS 44 53N 178E,
   LOW  251 73N 150W,
   HIGH 390 73N 33E.
2. CONDITIONS
   AT 30-HPA HEIGHT FEILD,
   POLAR VOLTEX IS LOCATED OVER THE BEAUFORT SEA.
   COLD AIR LIES OVER THE BEAUFORT SEA.
   WARM AIR LIES OVER THE BERING SEA.
   REGARDING ZONAL MEAN FIELD,
   EASTERLY WIND IS NOT OBSERVED AT 30-HPA
   TO THE NORTH POLE.
3. STRATALERT ENDS.
   MAJOR WARMING ENDED AT 30-HPA.
REMARK: THE HEIGHT DATA SHOULD BE READ IN DECAMETERS
        ADDING 20 KILOMETERS.=