WSEQ31 SEQU 281804 SEFG SIGMET 01 VALID 281804/282104 SEGU- SEFG GUAYAQUIL FIR EMBD TS OBS AT 1750Z WI N0033 W07743 - S0046 W07808 - S0119 W07715 - S0119 W07715 - S0022 W07621 TOP FL420 STNR INTSF=