Is there a Tornado alert for this week in Texas? 
[IN:GET_WEATHER Is there a [SL:WEATHER_ATTRIBUTE Tornado ] alert [SL:DATE_TIME for this week ] in [SL:LOCATION Texas ] ?  ]
[IN:GET_WEATHER Is there a [SL:WEATHER_ATTRIBUTE Tornado ] alert [SL:DATE_TIME for this week ] in [SL:LOCATION Texas ] ?  ]