A DISPATCHER FOR AN INTL ACR IS CONCERNED ABOUT LACK OF TIMELY WX INFO FOR THE EAST OPS; PARTICULARLY CHINA.

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I RECEIVED A SATCOM CALL FROM FLT INFORMING ME THAT ZBAA WAS CLOSED DUE TO TSRA INDEFINITELY. THIS WAS NEWS TO ME SO ASKED FOR THE CREW TO HOLD A MIN TO CONFIRM THAT WITH THE STATION AND GET A WX BRIEF FROM ENSCO. MR X AT ZBAA OPS CONFIRMED THAT ATC WAS NOT ACCEPTING ANY ARR OR DEPS. WOULD HAVE BEEN NICE TO GET A CALL FROM THEM INFORMING ME OF THIS. ENSCO WX WHO DOES NOT HAVE ANY BETTER WX RESOURCES THAN I DO FOR THAT PART OF THE WORLD SAID THEY THOUGHT THAT THE UPPER LEVEL FLOW WOULD CAUSE BRIEF AND RECURRING TSRA THERE FOR A WHILE. THIS TOOK A FEW MINS AND WHEN I ENDED THE CALLS TO GET BACK TO THE CREW THEY HAD ALREADY HUNG UP. THEREFORE; I SENT THEM AN ACARS MESSAGE RELAYING THAT INFO. THE ENSCO SATELLITE IMAGERY IS USUALLY 2-3 HRS OLD SO I DID NOT USE IT. A MORE RELIABLE AND TIMELY RESOURCE FLT WINDS; WITH THE COMPOSITE KAVOURAS SAT DISPLAYED CLOUDS STILL 50-60 NM N OF ZBAA. MEANWHILE THE SOUTHERLY MOVEMENT FROM THE TSRA SOON AFFECTED THEIR ALTERNATE ZBTJ -- WHICH THE CREW SENT ANOTHER MESSAGE SAYING THEIR ALTERNATE; ZBTJ; WAS CLOSED TOO. I GAVE THEM THE BURN TO SJW WHICH WAS APPROX 12.0. I CALLED MR X BACK AND HE SAID THE ARPT WAS ACCEPTING TFC AGAIN WHICH I QUICKLY RELAYED TO THE CREW. SHORTLY AFTER THAT; THE CREW LANDED AT ZBAA. WITH NO RADAR; OLD SATELLITE IMAGERY AND THE LACK OF MORE AUTH ALTERNATES WE RUN THE RISK OF THIS HAPPENING AGAIN; ESPECIALLY DURING THE SUMMER WHEN TSRA IS IN THE TAF DAILY.