FLC OF ACR MDT ACFT TKOF WHEN THE WX WAS BELOW MIN.

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WX STATION OVER 1 MI FROM RWY DEP END. REF #14. OTHER WX PACKAGE SET UP BY COMPANY; DOES NOT ALWAYS LIST MOST CURRENT WX RPT AT TOP OF SECTION; PAGE. DEPARTING UNCTLED FIELD. #15. REVIEWED WX WITH DISPATCHER AT XA55Z. REQUESTED TKOF ALT AND REVIEWED NOTAMS. ALL SET AT TKOF ALT AND NEW RELEASE SENT. MEL'S REVISED AND INITIALED. ACFT PREFLTED; CUSTOMERS LOADED WITH BAGS. LOAD SHEET AND OTHER PAPERS BROUGHT OUT. NEW SPECIAL WX NOT NOTICED BY ME IN WX PACKAGE. WT AND BAL REVIEWED AND SIGNED. TAXIED TO RWY 12L. ALL OPS NORMAL. VISIBILITY 1/4 TO 1/2 MI ON RWY 12L. DEPARTED WITH IFR CLRNC FROM HOU CTR. WX SPECIAL ISSUED BY WX STATION AS CEILING OVCST SKY OBSCURED VISIBILITY ZERO; AT XB52Z BUT DID NOT GET ON MY WX INFO PACKAGE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO. RPTR STATED THAT HE OBSERVED MIN WX TKOF REQUIREMENTS UPON TKOF BUT LEARNED LATER THAT A SPECIAL WX RPT PROVIDED WITH THE ACFT LOADING DOCUMENTS SHOWED THE WX AS BELOW TKOF MINS. HE FURTHER STATED THAT THE FAA HAD LEARNED OF THIS INCIDENT AND HAS BEEN INVESTIGATING THE MATTER.