ZCZC NE50 222300 UTC APR 26 WEATHER BULLETIN ISSUED BY NORWEGIAN METEOROLOGICAL INSTITUTE SYNOPTIC SITUATION TODAY AT 18 UTC: LOW 1004 HPA 79N 21E MOV SE AND INTENSIFYING INTO A POLAR LOW THU EXP 984HPA AT 72N 33E THU 18UTC. LOW 1015 HPA 72N 08W MOV E EXP 1014HPA 70N 08E THU 03UCT THEN WKN. HIGH 1034 HPA 61N 05W MOV SE EXP 1032 HPA AT 59N 02W THU 18UTC. FORECAST VALID NEXT 24 HOURS: EAST-TAMPEN NW 6. MOD OR ROUGH. DRY GOOD BECMG OCNL RAIN MOD. STOREGGA W 6. ROUGH. RAIN MOD. FROEYA BANK W 5. ROUGH. RAIN MOD. STOREGGA-HALTEN BANK TO GREENWICH MERIDIAN NW 6 OCNL W NEAR GALE 7. ROUGH. OCNL RAIN MOD BECMG DRY GOOD. HALTEN BANK W 5. ROUGH. OCNL RAIN MOD. NNNN