MD80 ENCOUNTERED WINDSHEAR ON INITIAL CLIMBOUT. WINDSHEAR RECOVERY PROCEDURES WERE INITIATED; FLT CREW DECLARED EMER; AND THE FLT RETURNED FOR LNDG.

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THE GND CTLRS WERE SENDING ACFT TO VARIOUS RWYS FOR CHANGING WX CONDITIONS. WE WERE SENT TO RWY 34 FOR A N DEP. AS WE SAT IN LINE FOR DEP ON RWY 34; WE MONITORED THE TWR FREQ AND LISTENED TO THE WX UPDATES FOR OUR RWY AS WELL AS THE OTHER RWYS. THE TWR RPTED ACFT ON APCH WERE GETTING GAINS AND LOSSES ON VARIOUS ARR RWYS. WE DID NOT HEAR ANY SPECIFIC WX ADVISORIES FOR RWY 34 AND MONITORED THE ACFT; WHICH DEPARTED AHEAD OF US. THEY SENT NO PIREPS BACK TO THE TWR; NOR DID THEY APPEAR TO HAVE ANY PROBS ON DEP. WE CONTINUED TO DISCUSS THE CHANGING WX. AFTER LINING UP ON THE RWY FOR TKOF; WE DID 1 CHK ON THE WX RADAR AND SAW AN AREA OF PRECIP TO THE W OF THE RWY. THIS WX WAS ALSO VISIBLE TO US AND MOVING E. THERE WAS AN ASSIGNED 010 DEG DEP HDG. THIS HDG KEPT US AWAY FROM THE WX AND VISUALLY OUT TO BLUE SKIES. ON DEP AND APPROX 600 FT AGL; WE RECEIVED A WINDSHEAR WARNING AND FOLLOWED THE WINDSHEAR ESCAPE MANEUVER. PWR WAS ADVANCED UNTIL WE WERE OUT OF THE WINDSHEAR CONDITION. THE FO FLEW THE ACFT AND COORDINATED WITH APCH CTL WHILE I TALKED TO THE COMPANY DISPATCHER AND MAINT COORDINATOR. AN EMER WAS DECLARED AND WE STARTED TO PREPARE FOR A RETURN TO ZZZ. WE MONITORED THE WX AT THE ARPT AND UNDERSTOOD THAT THERE WERE STILL SOME UNSTABLE WX CONDITIONS ON THE ARR. WE DID NOT WANT TO PERFORM A GAR ONCE WE WERE ON FINAL AND ADVISED APCH CTL THAT WE WOULD WAIT FOR BETTER WX CONDITIONS AT THE FIELD. WE EVENTUALLY CONDUCTED AN UNEVENTFUL LNDG AND TAXIED BACK TO THE GATE. LCL MAINT MET THE ACFT UPON ARR.