Name Translation: "White Clouds"
Initial Command Structure:
Ship's captain: Commander Hitomi Toyoji . Assigned to Desdiv 12 (SHIRAKUMO, MURAKUMO, SHINONOME), Desron 3, First Fleet. Flagship of Comdesdiv 12, Commander Ogawa Nobuki .
20-26 November 1941:
Desdiv 12 steamed with Desron 3 from Kure to Samah (Hainan).
Desdiv 12 escorted troop convoy out of Samah in Malaya invasion operation; covered landings at Khota Bharu; then to Camranh Bay.
Desdiv 12 with British Borneo invasion force.
Assisted Minesweeper No. 3 in rescuing survivors of torpedoed SAGIRI.
Escorted CHOKAI out of Camranh Bay in support of Malaya, Anambas Islands and Bangka-Palembang invasion forces; on 14 February sank vessel fleeing Singapore identified as British cable-laying ship.
With Western Java invasion force.
28 February-1 March: Battle of Sunda Strait
Assisted in sinking of HMAS PERTH and USS HOUSTON (CA-30), then with MURAKUMO drove Dutch destroyer EVERTSEN ashore on Sebuku Besar.
Desdiv 12 deactivated; reassigned to Desdiv 20 (joined AMAGIRI, ASAGIRI, and YUGIRI), Desron 3, First Fleet.
Escorted Admiral Ozawa's cover force for Northern Sumatra invasions.
Desdiv 20 with Andaman Islands invasion force.
6 April: Indian Ocean Raiding Operations
Escorted KUMANO and SUZUYA; assisted in sinking of five merchant ships.
Desdiv 20 steamed from Singapore via Camranh Bay to Kure, then docked for maintenance.
4-5 June: Battle of Midway
Desdiv 20 escorted Admiral Takasu's Aleutians Guard Force.
Commander Hitomi (to C.O. MAKINAMI) relieved by Lieutenant Commander Sato Shigekichi .
30 June-2 July:
Desdiv 20 escorted troop convoy from Kure to Amami-O-Shima, then antisubmarine patrolling there.
Desdiv 20 steamed from Amami-O-Shima via Mako, Singapore and Sabang to Mergui (Burma) for Indian Ocean raiding operations, aborted due to Guadalcanal.
Desdiv 20 steamed from Mergui via Makassar to Davao.
Desdiv 20 escorted troop convoy from Davao to Truk.
Desdiv 20 departed Truk, escorting troop convoy toward Guadalcanal.
Troop transport run to Guadalcanal (aborted). Transferred troops from transports while at sea (1-5 N, 156-35 E) and steamed ahead towards Guadalcanal. Heavy damage: in attack by U.S. dive bombers: left dead in the water by direct hit aft which flooded an engine room; only two wounded. Towed by AMAGIRI, then TSUGARU, to arrive Shortlands 30 August.
Towed by tanker TOA MARU from Shortlands to Truk, then repairs.
30 September-8 October:
Steamed from Truk via Saipan to Kure, then docked for repairs.
8 October-31 December 1942:
Docked at Kure while under repair.
Lieutenant Commander Sato promoted to Commander.
Commander Sato relieved by Lieutenant Commander Hirayama Toshio  (prev. C.O. MINAZUKI).
1 January-31 March 1943:
While at Fujinagata Z., Osaka, twin 13mm (later replaced by 25mm) machine guns probably added on bandstand forward of bridge. (Details unknown)
Assigned to Desdiv 9 (joined ASAGUMO and USUGUMO), Desron 1, Fifth Fleet.
Escorted MAYA from Yokosuka via Ominato to Paramushiro, then Northern Area patrol/escort duties.
Transport run from Shimushu to Kiska, aborted.
Medium damage: in collision with NUMAKAZE during antisubmarine sweep in heavy fog; then to Paramushiro on 7 June for emergency repairs alongside HAGURO.
Steamed from Paramushiro to Ominato, then docked for repairs.
16 June-19 July:
At Ominato for repairs, then to Hakodate.
19 July-22 September:
While at Hakodate, X turret removed/replaced by two triple 25mm mounts; additional twin and triple mounts also added (details unclear); Type 22 radar installed on foremast; and radar intercept receivers on bridge.
Arrived Ominato from Hakodate, then resumed Northern Area patrol/escort duties.
16 November-20 December:
At Ominato for maintenance.
28 December 1943-1 January 1944:
Escorted tanker TEIYO MARU from Ominato to Paramushiro.
Escorted TEIYO MARU from Paramushiro to Yokosuka.
Lieutenant Commander Hirayama (to C.O. AKISHIMO) relieved by Lieutenant Commander Hashimoto Masao  (prev. C.O. FUYO).
Out of Yokosuka to help escort damaged UNYO, then to Ominato on 7 February.
25 February-10 March:
Escorted convoys from Ominato to Paramushiro and back.
Departed Kushiro, escorting troop convoy to Uruppu Island. Sunk: torpedoed by USS TAUTOG (SS-199) 170 miles east of Muroran, Hokkaido (42-25 N, 144-55 E). Sank instantly; no survivors.
31 March 1944:
Removed from Navy List.