Narrative:

During descent to airport ZZZ; weather was reported as 200 ovc 1/4 mile visibility. NOTAMS indicated TDZ RVR OTS. Crew discussed CAT I minimums and the fact that there was no mid RVR but rollout RVR was reporting between 1800-2200 RVR at various checks. Captain was pilot monitoring (pm)/ first officer was pilot flying (PF). Late in descent; dispatch sent a message that other aircraft had not gotten in; but were trying again. They also changed our alternate from ZZZ1 to ZZZ2 and we did not receive fuel plan of 3;700 pounds burn until below 5000 feet. We had sufficient fuel to fly the approach; missed approach and divert and arrive at ZZZ2 with 5;000 pounds. Approach was stable; the missed was well flown and ATC coordinated divert. Low altitude easterly profile awaiting climb clearance; strong headwinds enroute; along with cruise altitude hold down due to moderate turbulence all contributed to higher than planned fuel burn. Plus ZZZ2 was in single runway operations to runway xy. Enroute we requested ATC shortcuts; and advised center that we would be minimum fuel by the time we got to approach. Our projected on deck fuel was now 4;300 pounds. When [approach] asked us to descend to 3000 feet; vector off course and slow to 170 knots while we were still 22 miles from the field; I [notified ATC of our low] fuel to expedite handling. They cleared us to land and we were on deck with 4;300 pounds.forecast visibility would have been suitable for the approach but with TDZ RVR OTS; crews were left few options. The late change in alternate compounded late arrival flight deck tasks. Dispatch comments regarding other company aircraft attempting the approach gave crew mixed signals. A review of airport configuration when no mid RVR is available.

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Original NASA ASRS Text

Title: A B737 crew executed a missed approach because of lowering visibility. Dispatch revised the alternate airport to further away but with sufficient fuel the crew headed toward it. Enroute higher than forecasted winds made alternate arrival fuel lower than forecasted.

Narrative: During descent to Airport ZZZ; weather was reported as 200 OVC 1/4 mile visibility. NOTAMS indicated TDZ RVR OTS. Crew discussed CAT I minimums and the fact that there was no mid RVR but rollout RVR was reporting between 1800-2200 RVR at various checks. Captain was Pilot Monitoring (PM)/ First Officer was Pilot Flying (PF). Late in descent; Dispatch sent a message that other aircraft had not gotten in; but were trying again. They also changed our alternate from ZZZ1 to ZZZ2 and we did not receive fuel plan of 3;700 pounds burn until below 5000 feet. We had sufficient fuel to fly the approach; missed approach and divert and arrive at ZZZ2 with 5;000 pounds. Approach was stable; the missed was well flown and ATC coordinated divert. Low altitude easterly profile awaiting climb clearance; strong headwinds enroute; along with cruise altitude hold down due to moderate turbulence all contributed to higher than planned fuel burn. Plus ZZZ2 was in single runway operations to Runway XY. Enroute we requested ATC shortcuts; and advised Center that we would be minimum fuel by the time we got to Approach. Our projected on deck fuel was now 4;300 pounds. When [Approach] asked us to descend to 3000 feet; vector off course and slow to 170 knots while we were still 22 miles from the field; I [notified ATC of our low] fuel to expedite handling. They cleared us to land and we were on deck with 4;300 pounds.Forecast visibility would have been suitable for the approach but with TDZ RVR OTS; Crews were left few options. The late change in alternate compounded late arrival flight deck tasks. Dispatch comments regarding other Company aircraft attempting the approach gave Crew mixed signals. A review of airport configuration when no mid RVR is available.

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.