Puzzling email alert - too cold to trigger

I received the following email alert from WD. The threshold I set was 30 C, but it is far below that right now!

Can anyone interpret this for me? (I don’t know why the email was triggered and sent)

Sent: Saturday, August 30, 2003 7:39 AM
Subject: FROM:Jeff’s Cottage Weather System WEATHER WARNING 30

its based on the 1 minte average of data, but the current conditions is that current temperature taken when the email was sent…
someone must have opened the beer fridge…