ZCZC NE40 172300 UTC APR 26 WEATHER BULLETIN ISSUED BY NORWEGIAN METEOROLOGICAL INSTITUTE SYNOPTIC SITUATION TODAY AT 18 UTC: LOW 996 HPA 69 N 18 W MOV N AND FLN. LOW 994 HPA 59 N 11 W MOV NE EXP 1004 HPA AT 63 N 03 W SAT 18 UTC. HIGH 1029 HPA 73 N 33 E MOV SE EXP 1030 HPA AT 67 N 36 E SAT 18 UTC. HIGH 1025 HPA 47 N 26 W MOV NE EXP 1028 HPA 50 N 12 W SAT 18 UTC. FORECAST VALID NEXT 24 HOURS: EAST-TAMPEN S 6 OCNL NEAR GALE 7. ROUGH OCNL VERY ROUGH. RAIN MOD BECMG DRY GOOD. STOREGGA S 6 OCNL NEAR GALE 7. ROUGH. RAIN MOD. FROEYA BANK VRB 4. MOD. RAIN MOD. STOREGGA-HALTEN BANK TO GREENWICH MERIDIAN S 6 OCNL SE NEAR GALE 7. ROUGH OCNL VERY ROUGH. RAIN MOD. HALTEN BANK SE 5. MOD. DRY GOOD. NNNN