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Catalogue description Government Code and Cypher School and predecessor: Meteorological Section: Correspondence
| Reference: | HW 54 |
|---|---|
| Title: | Government Code and Cypher School and predecessor: Meteorological Section: Correspondence |
| Description: |
Correspondence of the Meteorological Section with various customers of meteorological intelligence and providers of intercepted material. |
| Date: | 1939-1945 |
| Held by: | The National Archives, Kew |
| Legal status: | Public Record(s) |
| Language: | English |
| Creator: |
Government Code and Cypher School, Meteorological Section, 1941-1945 Meteorological Office, 1867- |
| Physical description: | 18 volume(s) |
| Access conditions: | Open |
| Immediate source of acquisition: |
From 2004 Government Communications Headquarters |
| Accumulation dates: | 1939-1945 |
| Selection and destruction information: | All surviving records selected under Acquisition Policy criterion 2.2.1.3, documenting the use made of intercepted enemy meteorological communications for defence purposes during World War Two. |
| Accruals: | Series is accruing |
| Administrative / biographical background: |
The Meteorological Section of the Government Code and Cypher School was established at Bletchley Park in 1941 to work on the decryption and interpretation of intercepted messages from enemy weather stations. This work had initially been performed by the Meteorological Service from the outbreak of the war. The intelligence derived from these intercepts was used both to inform the Meteorological Office (which continued to be responsible for the distribution of weather forecasts based in part on intercepted messages), and, crucially, to find ways into other enemy codes of military and strategic importance. |
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