Disbanded
UKWMO training effectively ceased in the summer of 1991 after the Home Secretary's stand down announcement. When the UKWMO was disbanded, and the ROC stood down, the government referred to "possible future developments and improvements in automated nuclear explosion and fallout detection from remote sensors", but it is unlikely that any such system has yet to be developed or installed. Civil nuclear defence since 1992 has been devolved to UK local authories as an addition to their routine emergency planning responsibilities and under direction of the government's Civil Contingencies Secretariat but the four minute warning air raid alert system no longer operates.
Read more about this topic: United Kingdom Warning And Monitoring Organisation