[central Meteorological Observatory issues Typhoon Blue warning] the Central Meteorological Observatory continues to issue a typhoon blue warning at 06:00 on May 30th: typhoon Mawar, the second typhoon of this year, weakened from strong typhoon to typhoon yesterday (29th) night, and its center is located in the northwest Pacific Ocean about 570km southeast of Hualien City, Taiwan Province, at 5am today (30th). It is 20.2 degrees north latitude and 125.4 degrees east longitude. The maximum wind force near the center is force 13 (40m / s). The minimum pressure of the center is 960HPA. The radius of the seventh wind circle is 450,550km. It is expected that "Marva" will move north by west to north by east at a speed of 5-10 kilometers per hour, and its intensity will gradually weaken. After the 31st, the sea surface in the southern part of the Ryukyu Islands will gradually turn to the northeast, with the speed gradually accelerating and the intensity obviously weakening.