Narrative:

Doing a hot reserve trip to ZZZ and back to ZZZ1. Was the end of a 13 hour reserve day; and the first time I have ever flown in or out of ZZZ. On the approach phase of flight on the lda xx. The approach was standard from flaps 8 to 30; and getting on to the final approach course in white needles.I was a little uncomfortable with the whole approach; which took my attention away from the last flap setting. I made multiple calls alerting the captain that altitude or airspeed was off. He responded with 'correcting;' and made correcting actions. I understand what is like to fight with a crosswinds and gusting. But looking back a go around call would have been the correct choice even if the flaps where at 45. In the future I will make that call.we then switched to green needles and that course was about a half dot off. So captain switched off the autopilot; and hand flew it in and which caused an increase in work load as he descended to the 1;700 foot level off. It was gusting 26 from the right pushing us toward the prohibited area which took some of my focus. I made the 1;000 foot call out; and tower cautioned us that we were a little low and gave us a new altimeter setting that was .04 off what we had set from the ATIS. Then I made the 500 foot call out shortly after. Next thing we know the GPWS says 'too low flaps' immediately executed go-around.immediately executed a go-around; and then vectored around for the approach again.on IOE I did not get the opportunity to fly out of ZZZ or in to ZZZ. So I was worried about the prohibited area that everyone talks about; and with that right crosswind blowing us left to it; really had my attention right when I should have reminded captain flaps where not at 45. Then the 1;000 foot call out came; and just like that the flaps were over looked. I am still low time; and I have not flown in 2 weeks; but one time and then 2 weeks before that one time. I felt really good off IOE; but in the last month and a half I have gotten close to no flight time.

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Original NASA ASRS Text

Title: CRJ-700 First Officer reported that an unstable approach in combination with a GPWS warning prompted executing a go-around.

Narrative: Doing a hot reserve trip to ZZZ and back to ZZZ1. Was the end of a 13 hour reserve day; and the first time I have ever flown in or out of ZZZ. On the approach phase of flight on the LDA XX. The approach was standard from flaps 8 to 30; and getting on to the final approach course in white needles.I was a little uncomfortable with the whole approach; which took my attention away from the last flap setting. I made multiple calls alerting the Captain that altitude or airspeed was off. He responded with 'correcting;' and made correcting actions. I understand what is like to fight with a crosswinds and gusting. But looking back a go around call would have been the correct choice even if the flaps where at 45. In the future I will make that call.We then switched to green needles and that course was about a half dot off. So Captain switched off the autopilot; and hand flew it in and which caused an increase in work load as he descended to the 1;700 foot level off. It was gusting 26 from the right pushing us toward the prohibited area which took some of my focus. I made the 1;000 foot call out; and Tower cautioned us that we were a little low and gave us a new altimeter setting that was .04 off what we had set from the ATIS. Then I made the 500 foot call out shortly after. Next thing we know the GPWS says 'TOO LOW FLAPS' immediately executed go-around.Immediately executed a go-around; and then vectored around for the approach again.On IOE I did not get the opportunity to fly out of ZZZ or in to ZZZ. So I was worried about the prohibited area that everyone talks about; and with that right crosswind blowing us left to it; really had my attention right when I should have reminded Captain flaps where not at 45. Then the 1;000 foot call out came; and just like that the flaps were over looked. I am still low time; and I have not flown in 2 weeks; but one time and then 2 weeks before that one time. I felt really good off IOE; but in the last month and a half I have gotten close to no flight time.

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.