Dear Dr. Romanescu,

Thank you for submitting your comments in response to the open discussion of your discussion paper Exceptional floods in the Prut basin, Romania, in the context of heavy rains in the summer of 2010” submitted for possible publication in NHESS.

As you know two referees have reviewed it and both of them have suggested a major revision. They have proposed a series of improvements and changes in the paper organization. I invite you to submit the revised manuscript considering carefully the comments and suggestions made by both referees, joined to he author's reply which includes (i) a separate list with your responses to the comments of the referees (this can be similar or the same as the replies you gave online already, but you might find that some of your answers have now changed in preparing the revised manuscript); (ii) as part of your author reply (same document please) please provide a detailed (preferably using track changes) list of all the changes made to the text; (iii) the new version of the paper.

I look forward to receiving the revised version of your work at your earliest convenience.
Sincerely,

Dra. Maria Carmen Llasat

Dear Dr. Romanescu,

It is a pleasure for me telling you that your paper “Exceptional floods in the Prut basin, Romania, in the context of heavy rains in the summer of 2010 by Gheorghe Romanescu, Cristian Constantin Stoleriu, Alexandru Ioan Cuzahas” has been accepted subject to technical corrections before its publication. Please take into consideration the comments made by the referee as well as my own comments in the final version of your paper. I include them in the bottom up of my message.

Hoping to receive more contributions from you in the future, to be published in NHESS,
Sincerely,
Prof. Maria Carmen Llasat

Technical modifications
Line 163: “with a mitigation level of 550 million.m3 » change with « with a mitigation volume of 550 million m3”

Lines 174-176: change “Mathematical methods were used to reconstitute discharges and terrain measurements using land surveying equipment (Leica Total Station) were used to calculate the surface of the stream cross-section.” By “Mathematical methods were used to reconstitute discharges and terrain measurements using land surveying equipment (Leica Total Station) to calculate the surface of the stream cross-section”.

Line 618: you speak about probability flood of 1% but previously in line 164 it was about backwater.

Line 644 A brief mention and description of Ezer dam (and this dam objectives in the water system) should be given in the system’s description early in the text.

Lines 203-205. Please, substitute the present sentences “....and unstable air was installed between the topographic surface and 2500 m of altitude. The high quantity of humidity originitated from The Black Sea, situated 500 km away. The warm 205 tropical air is generated by the Russian Plain, overheated by a strong continentality climate” by “...and unstable air was installed between the surface and 2500 m of altitude. The high quantity of humidity was originated from the Black Sea, situated 500 km away. The warm air was generated in the Russian Plain, overheated by a strong continentality climate”.

In the legend of figure 4 write “Deviation of monthly rainfall amounts (May-July 2010) from the average cumulated precipitation for this period”. I understand that the percentage refers to the comparison with average cumulated precipitation for May-June-July. If you refer to annual precipitation, please, indicate it in the Legend of the figure.

Lines 222-224. Please, substitute the present sentence “The climate convection was organized as a mesocyclone extended over Northern Moldavia (the departments of Suceava and Botosani) (Hustiu, 2011)” by “The convection was organized by a mesocyclone extended over Northern Moldavia (the departments of Suceava and Botosani) (Hustiu, 2011)”

Lines 506-507. Please, substitute the present sentence “The greatest damage occurred in, and the most arable area was destroyed in, the middle Prut basin in the Jijia-Bahlui Depression of the Moldavian Plain” by “The greatest damage occurred in the middle Prut basin in the Jijia-Bahlui Depression of the Moldavian Plain, where the most arable area was destroyed”.