diff --git a/deploy/thermograph.env.example b/deploy/thermograph.env.example
index 4ec27ba..b43ba71 100644
--- a/deploy/thermograph.env.example
+++ b/deploy/thermograph.env.example
@@ -161,6 +161,19 @@ THERMOGRAPH_BASE_URL=https://thermograph.org
 #THERMOGRAPH_DISCORD_PUBLIC_KEY=
 #THERMOGRAPH_DISCORD_APP_ID=
 #THERMOGRAPH_DISCORD_BOT_TOKEN=
+# Channel IDs (numeric snowflakes) for the bot to post into with the BOT_TOKEN above.
+# Subscription test feed: this deployment mirrors every notification the notifier
+# creates into this channel, so a run can be watched live. Set it per environment;
+# leave unset to disable. In the Thermograph.org server the hidden channels are:
+#   dev  = 1529274513009934336
+#   uat  = 1529274514066636861
+#   prod = 1529274515127799940
+#THERMOGRAPH_DISCORD_SUBSCRIPTION_CHANNEL=
+# Notable-weather feed: prod broadcasts the daily "most unusual right now" digest
+# into this channel via the bot (independent of the WEBHOOK above — either can run
+# alone). Leave unset to disable. In the Thermograph.org server:
+#   weather-events = 1529274516746932307
+#THERMOGRAPH_DISCORD_WEATHER_CHANNEL=
 # Account linking (OAuth2 "identify"): lets a signed-in user connect their Discord
 # account, storing their Discord user id for DM alerts. CLIENT_ID is the same App
 # ID above. The CLIENT_SECRET is from OAuth2 -> Client Secret (a credential). In the