P31 CTLR EXPERIENCED CONFLICT AT 2500 FT AFTER PNS LCL CTLR APPROVED OVERFLT AND THEN RELEASED DEP TFC.

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PENSACOLA TRACON (P31) AND PENSACOLA TWR (PNS) LOA FOR RWY 35 DEPS. PNS ASSIGNED HDG 350 DEGS; MAINTAIN 3000 FT TO JET DEPS. I WAS WORKING E RADAR AT P31 AND APPROVED A CESSNA BIRDDOG TO TRANSITION APPROX 5 MI N OF PNS AT 2500 FT VFR (THROUGH THE DEP CORRIDOR FROM E TO W). PNS APPROVED THE REQUEST. I ALSO HAD A VFR TRANSITIONING FROM W TO E OVER THE DEP CORRIDOR AT 3500 FT VFR. APPROX 2 MINS AFTER I APPREQUED THE 2500 FT OVERFLT; PNS TWR LAUNCHED A CRJ7 OFF RWY 35 CLBING TO 3000 FT. THE BIRDDOG WAS STILL ABOUT 5 NM DUE N OF PNS; WBOUND AT 2500 FT. I TOLD THE CRJ TO EXPEDITE HIS CLB TO 3000 FT (I COULDN'T GO ANY HIGHER BECAUSE OF THE 3500 FT OVERFLT I HAD GOING EBOUND) AND TURNED THE CRJ TO HDG 040 DEGS. I WAS CONCERNED THAT THE TURN AND CLB RATES OF THE CRJ WOULD NOT PROVIDE ADEQUATE SEPARATION; SO I ASKED HIM TO EXPEDITE HIS TURN AND CLB FOR TFC. HE WAS ABLE TO COMPLY AND MISSED THE BIRDDOG BY ABOUT 1/2 NM AND 500 FT. P31 CALLED PNS ATCT ABOUT THE SIT AND PNS SAID THEY WERE SORRY. THEY APPARENTLY FORGOT ABOUT THE OVERFLT THEY HAD JUST APPROVED. THIS EXACT TYPE OF SIT OCCURRED EARLIER THE SAME DAY; AND THERE HAVE BEEN SEVERAL INSTANCES OF POOR CTL JUDGEMENT FROM THE TWR OVER THE LAST 2 DAYS.