Narrative:

Due to partial system wide ACARS failure the ATC coordinator notified me that my fll flight was holding south of rsw due to line of thunderstorms between rsw and fll; the destination of the flight. I sent the flight updated rsw weather. I asked the crew; through an ACARS message of 'any chance of mia?' rsw reported 1 1/4 vcts plusra; I asked the crew through an ACARS message to verify fuel on board to possibly change alternate to tpa. I was shortly notified by the captain that he was on the ground in pgd (punta gorda; fl). He arrived with 3000 lbs of fuel on board. Flight landed safely. Following the dispatch procedure manual for off-line fueling and provided airport plates to crew for pgd. I built a flight release in accordance with FM for departure from an alternate airport and emailed the flight documents to the FBO handling the flight.all computer programs showed the flight was on the ground in rsw and I called station to verify. The station agent notified me flight was not there. The computers could not recognize pgd and the programs showed the flight in rsw. This led to confusion with in operations which was rectified shortly after notification.

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Original NASA ASRS Text

Title: B737 Captain and Dispatcher reported serious weather that resulted in a diversion to an offline airport.

Narrative: Due to partial system wide ACARS failure the ATC Coordinator notified me that my FLL flight was holding south of RSW due to line of thunderstorms between RSW and FLL; the destination of the flight. I sent the flight updated RSW weather. I asked the crew; through an ACARS message of 'any chance of MIA?' RSW reported 1 1/4 VCTS PLUSRA; I asked the crew through an ACARS message to verify fuel on board to possibly change alternate to TPA. I was shortly notified by the captain that he was on the ground in PGD (Punta Gorda; FL). He arrived with 3000 lbs of fuel on board. Flight landed safely. Following the Dispatch Procedure Manual for Off-line Fueling and provided airport plates to crew for PGD. I built a flight release in accordance with FM for Departure from an Alternate Airport and emailed the Flight documents to the FBO handling the flight.All computer programs showed the flight was on the ground in RSW and I called station to verify. The station agent notified me flight was not there. The computers could not recognize PGD and the programs showed the flight in RSW. This led to confusion with in Operations which was rectified shortly after notification.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.