警報注意報検索

{"info":{"tod":"千葉県",
         "time":"201302140440"},
 "item":[{"address":{"code":"12100",
                     "text":"千葉市"},
          "warning":[{"code":"21",
                      "text":"乾燥注意報"}]},
        ...]}

[通常出力例]
http://apicore/core/v1_0/pptenki/warning?if_clientid=JSZxxxxxxxxxx|xxxxx&if_auth_type=ip&addrcode=12

{"info":{"tod":"千葉県",
         "time":"201302140440"},
 "item":[{"address":{"code":"12100",
                     "text":"千葉市"},
          "warning":[{"code":"21",
                      "text":"乾燥注意報"}]},
         {"address":{"code":"12202",
                     "text":"銚子市"},
          "warning":[{"code":"16",
                      "text":"波浪注意報"},
                     {"code":"21",
                      "text":"乾燥注意報"}]},
         {"address":{"code":"12203",
                     "text":"市川市"},
          "warning":[{"code":"21",
                      "text":"乾燥注意報"}]},
         {"address":{"code":"12204",
                     "text":"船橋市"},
          "warning":[{"code":"21",
                      "text":"乾燥注意報"}]},
         {"address":{"code":"12205",
                     "text":"館山市"},
          "warning":[{"code":"16",
                      "text":"波浪注意報"},
                     {"code":"21",
                      "text":"乾燥注意報"}]}]}

[検索結果が0件の場合]

{"info":{"tod":null,
         "time":null},
 "item":[]}