ZFW CTLR VOICED CONCERN REGARDING SIGMET ISSUANCE REQUIREMENTS AND TIME REQUIRED FOR SAME DURING BUSY PERIODS.

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THERE IS WX ALL AROUND. NUMEROUS; SCATTERED TSTMS BUILDING AND COLLAPSING IN ALL OF TEXAS; OKLAHOMA; LOUISIANA; ARKANSAS; NEW MEXICO; ETC; AS FAR AS WE CAN SEE ON OUR OVERHEAD DISPLAY. WITHIN 300 NM OF DFW; THERE IS NOT A GAP OF MORE THAN 30 NM BTWN AREAS OF DEPICTED PRECIP ON OUR WX DISPLAYS. I AM WORKING 'DECOD-H;' THE HIGH ALT CORNER POST NE OF DFW. IT IS BUSY. I AM HANDED 7 CONVECTIVE SIGMETS. WE ARE REQUIRED TO READ THESE. NOT ONLY ARE WE REQUIRED TO READ THEM; BUT OUR AREA MGR HAS 'INTERPED' THE 7110.65 AND INSTRUCTED US THAT WE MUST STATE EACH STATE INDIVIDUALLY IN OUR BROADCAST. OF THE 7 CONVECTIVE SIGMETS; 6 HAVE TEXAS IN THEM. IT TAKES ME OVER 45 SECONDS OF AIR TIME TO READ THESE 7 SIGMETS. THIS IS AN ETERNITY ON A SEQUENCING CORNER POST. IN PREVIOUS DAYS; WE COULD HAVE SAID: 'ATTN ALL ACFT...CONVECTIVE SIGMETS XA THROUGH XG FOR TEXAS AND SURROUNDING STATES AVAILABLE ON HIWAS; FLT WATCH; OR FLT SVC FREQS' AND BEEN DONE WITH IT. NOW; BECAUSE THE WX MAN IS APPARENTLY FOLLOWING HIS OWN RULES; AND OUR AREA MGR WANTS UT TO FOLLOW HIS RULES OF ISSUING INDIVIDUAL STATES -- REPEATEDLY -- WE ARE STUCK WITH AN UNSAFE SITUATION.