SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: OCTOBER    YEAR: 2011      Observing Station: OBSERVATORY
                                                      U P I C E
                                                   CZECH REPUBLIC

                                  Lat.:  50 30 26.6 N
Sea level: 416 m                  Long.: 16 00 43.5 E
Frequency: 27 kHz            Band pass: 308 Hz a 3 dB
Chart speed: 3.4 cm/H        Recorder time constant: 27 sec

Date    Start   End     Max.    Imp.  Def.   Dur.   Type   REMARKS
         UT      UT      UT     SEA          min.
   1    0909    1032    1000     1     2      83      2b
   4    0856    1014    0927     1     2      78      2a
   5    1045    1225    1127     1     2     100      3
        1239    1401    1257     2     4      82      5
   6    0929    1029    0943     1     2      60      3    UNCERTN
   8    0858    1014    0926     1     3      76      2b   UNCERTN
  20    1535    1618    1542     1     2      43      5
  21    1257    1409    1304     1     4      72      5
  22    1010    1614    1244U    2     3     364      5
  27    1046    1113    1102     1     2      27      6    UNCERTN
  29    0914    0943    0926     1     2      29      6
  31    1339    1415    1351     1     2      36      3
        1457    1553    1506     3     4      56      1

        NO OBSERVATION: 12.OCT

        Evaluated by J.Klimes