FJXN20 RJTD 290500
STRATALERT TOKYO 29 JAN
2016 05 UTC

30-HPA ANALYSIS 1200UTC 27 JAN
1. WARM MINUS 33 60N 150E,
   COLD MINUS 90 67N 75E,
   HIGH 410 55N 137W,
   LOW  178 68N 100E,
   LOW  198 70N 50W.

2. CONDITIONS
   AT 30-HPA HEIGHT FIELD,
   ANTICYCLONE IS DEVELOPING OVER AND AROUND WESTERN CANADA.
   POLAR VORTEX SPLITS INTO TWO OVER CENTRAL SIBERIA
   AND GREENLAND.
   WARM AIR LIES OVER THE SEA OF OKHOTSK AND EASTWARD.
   COLD AIR LIES OVER WESTERN SIBERIA.

3. STRATALERT EXISTS.
   MINOR WARMING CONTINUED AT 30-HPA.
   TEMPEATURE FROM EASTERN SIBERIA TO NORTHERN CANADA INCREASED
   BY MAXIMUM 32 DEGREES FROM 20 JAN 2016 TO 27 JAN 2016.

REMARK: THE HEIGHT DATA SHOULD BE READ IN DECAMETERS
        ADDING 20 KILOMETERS.=