Here’s the current warning levels for Amakusa (via Google translate):
Kumamoto Prefecture 06 minutes announced 06 pm July 7, 2014
Amakusa region ● Kamiamakusa [Continue] heavy rain, flood warning, thunderstorm advisory ● Amakusa [Continue] heavy rain, flood warning, lightning, strong wind warning ● Reihoku-machi [Continue] heavy rain, flood warning, lightning, strong wind warning
http://www.anshin.pref.kumamoto.jp/rireki/saigai/430031.html
Here’s the information for Kumamoto City:
“● Kumamoto Kumamoto [Continue] heavy rain warning, flood watch [warning from the alarm] thunderstorm advisory”
http://www.anshin.pref.kumamoto.jp/rireki/saigai/430000.html
The automatic translation is a bit garbled it gives you a basic idea.