done, probably

code/modules/events/solar_flare.dm

@@ -0,0 +1,18 @@
+/datum/round_event_control/solar_flare
+	name = "Solar Flare"
+	typepath = /datum/round_event/solar_flare
+	max_occurrences = 1
+
+/datum/round_event/solar_flare
+
+/datum/round_event/solar_flare/setup()
+	startWhen = 3
+	endWhen = startWhen + 1
+	announceWhen	= 1
+
+/datum/round_event/solar_flare/announce()
+	priority_announce("Incoming solar flare detected near the station. Expect power outages in all exposed areas for a short duration.", "Anomaly Alert", 'sound/effects/alert.ogg')
+	//sound not longer matches the text, but an audible warning is probably good
+
+/datum/round_event/solar_flare/start()
+	SSweather.run_weather("solar flare",1)