***NOAA'S ACQUISITION & GRANTS OFFICE, WESTERN ACQUISITION DIVISION-BOULDER, NATIONAL SEVERE STORMS LABORATORY (NSSL) INTENDS TO NEGOTIATE, ON A SOLE SOURCE BASIS, UNDER AUTHORITY OF FAR 13.106-1(b)(1), WITH PURDUE UNIVERSITY OUT OF WEST LAFAYETTE, INDIANA, FOR THE PROPAGATION, EVOLUTION AND ROTATION IN LINEAR STORMS (PERILS) EXPERIMENT DISDROMETER SURVEY FOR THE VERIFICATION OF THE ORIGINS OF ROTATION IN TORNADOES EXPERIMENT-SOUTHEAST (VORTEX-SE) PROJECT.

***THE SOLE SOURCE DETERMINATION IS BASED ON THE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION'S (NOAA) REQUIREMENT THAT PRINCETON UNIVERSITY IS THE ONLY KNOWN ENTITY THAT:

1)  HAS A HISTORY OF OPERATING, AND CURRENTLY OPERATES, A SUITE OF DEPLOYABLE DISDROMETER SYSTEMS WITH DEMONSTRATED USEFULNESS FOR THE NEEDED OBSERVATIONS IN VORTEX-SE

2)  IS ABLE TO LOCATE SUITABLE INSTRUMENT DEPLOYMENT SITES IN THE GENERAL SOUTHEASTERN U.S. REGION BASED ON PREVIOUS EXPERIENCE

3)  CAN RELIABLY MAINTAIN AND OPERATE TEMPORARY DEPLOYABLE DISDROMETERS PROVIDING CONTINUOUS OBSERVATIONS OVER EXTENDED PERIODS OF TIME

4)  CAN PERFORM DATA QUALITY CONTROL AND ARCHIVAL COMPATIBLE WITH EXISTING VORTEX-SE DATA COLLECTION EFFORTS

PURDUE UNIVERSITY DEMONSTRATED THESE CAPABILITIES IN TWO PREVIOUS FIELD CAMPAIGNS IN VORTEX-SE.  IN ADDITION, PURDUE UNIVERSITY DESIGNED AND BUILT THE INSTRUMENTS IN COLLABORATION WITH NSSL.  THE PERIOD OF PERFORMANCE IS JANUARY 15, 2023 – DECEMBER 1, 2023.

***THIS NOTICE OF INTENT IS NOT A REQUEST FOR COMPETITIVE PROPOSALS AND NO SOLICITATION PACKAGE IS AVAILABLE. HOWEVER, FIRMS THAT BELIEVE THEY CAN FULLY MEET THE GOVERNMENT'S REQUIREMENTS MAY SUBMIT SUBSTANTIATING DOCUMENTATION IN WRITING TO THE IDENTIFIED POINT OF CONTACT WITHIN 15 DAYS AFTER PUBLICATION OF THIS SYNOPSIS. SUCH DOCUMENTATION WILL BE EVALUATED SOLELY FOR THE PURPOSE OF DETERMINING WHETHER OR NOT TO CONDUCT THIS PROCUREMENT ON A COMPETITIVE BASIS. A DETERMINATION BY THE GOVERNMENT NOT TO CONDUCT A COMPETITIVE PROCUREMENT, BASED UPON RESPONSES TO THIS NOTICE, IS SOLELY WITHIN THE DISCRETION OF THE GOVERNMENT. ORAL COMMUNICATIONS ARE NOT ACCEPTABLE IN RESPONSE TO THIS NOTICE.