Dirk Hoke

Filed: 17 Nov 21, 4:07pm
                               POWER OF ATTORNEY

      The undersigned, as a Section 16 reporting person of Spire Global, Inc.
(the "Company"), hereby constitutes and appoints Ananda Martin, Thomas Krywe and
Amanda Bradley the undersigned's true and lawful attorneys-in-fact to:

      1.   complete and execute Forms 3, 4 and 5 and other forms and all
           amendments thereto as such attorneys-in-fact shall in their
           discretion determine to be required or advisable pursuant to Section
           16 of the Securities Exchange Act of 1934 (as amended) and the rules
           and regulations promulgated thereunder, or any successor laws and
           regulations, as a consequence of the undersigned's ownership,
           acquisition or disposition of securities of the Company; and

      2.   do all acts necessary in order to file such forms with the Securities
           and Exchange Commission, any securities exchange or national
           association, the Company and such other person or agency as the
           attorneys-in-fact shall deem appropriate.

      The undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agent shall do or cause to be done by virtue hereof.  The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934 (as amended).

      This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
Company and the foregoing attorneys-in-fact.

      This Power of Attorney is executed as of the date set forth below.

                                        Signature:  /s/     Dirk Hoke
                                        Print Name:  Dirk Hoke
                                        Dated:  November 2, 2021