Narrative:

I was working local control while the supervisor was on the os/controller in charge position. Ground control and I advised the supervisor the weather was quickly deteriorating to the east. Though all employees are certified weather observers; the supervisor did not augment the ASOS (automated surface observing system) in a timely manner to indicate visibility less than 3SM (actual visibility 2SM). Then; the supervisor failed to indicate visibility less than 1SM (3/4SM). I told aircraft X visibility most likely less than a mile because I could no longer wait on the supervisor to update the weather. A new ATIS was issued to indicate visibility 3/4SM (7 minutes after I was relieved). It is important especially for our air taxi operators to know when visibility is below 1SM as they have restrictions for flying passengers.this is the second time the supervisor failed to correct inaccurate weather information (ATIS) to ensure the pilots/operators had the current information that can be used in a timely manner. When this happened before; I notified the air traffic manager and my facility representative about this supervisor failing to correct weather information in a timely manner. The air traffic manager; at that time; said the situation was discussed with the supervisor. The supervisor was told to collaborate with tower personnel when weather was marginal in order to protect our customers.I attempted to discuss this situation with the supervisor. The supervisor said the weather already indicated IFR conditions (ceiling OVC007); and the ATIS was updated once the ASOS recognized the change in visibility.we need to work together to protect our operators. This lack of a safety culture; especially by management; is dangerous and needs to stop. We cannot allow junior controllers to see; much less emulate; complacent behaviors from their senior peer group or management.

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Original NASA ASRS Text

Title: Tower Controller reported that a Supervisor did not act in a timely manner when the weather changed.

Narrative: I was working Local Control while the Supervisor was on the OS/CIC position. Ground Control and I advised the Supervisor the weather was quickly deteriorating to the east. Though all employees are certified weather observers; the Supervisor did not augment the ASOS (Automated Surface Observing System) in a timely manner to indicate visibility less than 3SM (actual visibility 2SM). Then; the Supervisor failed to indicate visibility less than 1SM (3/4SM). I told Aircraft X visibility most likely less than a mile because I could no longer wait on the Supervisor to update the weather. A new ATIS was issued to indicate visibility 3/4SM (7 minutes after I was relieved). It is important especially for our air taxi operators to know when visibility is below 1SM as they have restrictions for flying passengers.This is the second time the Supervisor failed to correct inaccurate weather information (ATIS) to ensure the pilots/operators had the current information that can be used in a timely manner. When this happened before; I notified the Air Traffic Manager and my Facility Representative about this Supervisor failing to correct weather information in a timely manner. The Air Traffic Manager; at that time; said the situation was discussed with the Supervisor. The Supervisor was told to collaborate with Tower personnel when weather was marginal in order to protect our customers.I attempted to discuss this situation with the Supervisor. The Supervisor said the weather already indicated IFR conditions (ceiling OVC007); and the ATIS was updated once the ASOS recognized the change in visibility.We need to work together to protect our operators. This lack of a safety culture; especially by management; is dangerous and needs to stop. We cannot allow junior controllers to see; much less emulate; complacent behaviors from their senior peer group or management.

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.