also: みずかみなり
thunder with rain; rain thunder
Refers to thunder that occurs together with rain, as opposed to dry thunder. A somewhat literary or traditional term.
Rain thunder rumbled and a heavy rain began to fall.
lightning without fire; non-igniting lightning
Lightning that does not start a fire, often associated with rain. Compare with 日雷 (ひがみなり), which is dry lightning that can cause fires.
See also: 日雷 (ひがみなり)
Since rain lightning doesn't start fires, it's a little reassuring.
日雷 is dry lightning that can cause fires, while 水雷 is lightning accompanied by rain that typically does not start fires.
Standard kanji spelling for this word.
Rare spelling using 神鳴り for thunder.
Irregular okurigana variant of 水神鳴り.
Alternate reading; less common than みずがみなり.
Compound of 水 (みず, water) and 雷 (かみなり, thunder/lightning), literally 'water thunder'. The reading みずがみなり uses the older combining form がみなり for 雷.