diff --git a/code/modules/events/supernova.dm b/code/modules/events/supernova.dm
index ca64984cde..e1d6991c89 100644
--- a/code/modules/events/supernova.dm
+++ b/code/modules/events/supernova.dm
@@ -12,6 +12,7 @@
 	var/power = 1
 	var/datum/sun/supernova
 	var/storm_count = 0
+	var/announced = FALSE
 
 /datum/round_event/supernova/setup()
 	announceWhen = rand(4, 60)
@@ -30,9 +31,10 @@
 	supernova.power_mod = 0
 
 /datum/round_event/supernova/announce()
-	var/message = "[station_name()]: Our tachyon-doppler array has detected a supernova in your vicinity. Peak flux from the supernova estimated to be [round(power,0.1)] times current solar flux; if the supernova is close to your sun in the sky, your solars may receive this as a power boost.[power > 1 ? " Short burts of radiation may be possible, so please prepare accordingly." : ""] We hope you enjoy the light."
+	var/message = "[station_name()]: Our tachyon-doppler array has detected a supernova in your vicinity. Peak flux from the supernova estimated to be [round(power,0.1)] times current solar flux; if the supernova is close to your sun in the sky, your solars may receive this as a power boost.[power > 1 ? " Short burts of radiation may be possible, so please prepare accordingly." : "We expect no radiation bursts from this one."] We hope you enjoy the light."
 	if(prob(power * 25))
 		priority_announce(message, sender_override = "Nanotrasen Meteorology Division")
+		announced = TRUE
 	else
 		print_command_report(message)
 
@@ -56,15 +58,16 @@
 		supernova.power_mod = min(supernova.power_mod*1.2, power)
 	if(activeFor > endWhen-10)
 		supernova.power_mod /= 4
-	if(prob(round(supernova.power_mod*2)) && prob(3) && storm_count < 5 && !SSweather.get_weather_by_type(/datum/weather/rad_storm))
+	if(prob(round(supernova.power_mod)) && prob(3) && storm_count < 5 && !SSweather.get_weather_by_type(/datum/weather/rad_storm))
 		SSweather.run_weather(/datum/weather/rad_storm/supernova)
 		storm_count++
 
 /datum/round_event/supernova/end()
 	SSsun.suns -= supernova
 	qdel(supernova)
-	priority_announce("The supernova's flux is now negligible. Radiation storms have ceased. Have a pleasant shift, [station_name()], and thank you for bearing with nature.",
-	sender_override = "Nanotrasen Meteorology Division")
+	if(announced)
+		priority_announce("The supernova's flux is now negligible. Radiation storms have ceased. Have a pleasant shift, [station_name()], and thank you for bearing with nature.",
+		sender_override = "Nanotrasen Meteorology Division")
 
 /datum/weather/rad_storm/supernova
 	weather_duration_lower = 50