Gematria Calculation Result for red river floods haarp mmxiii ad on Roman Numeral

This is calculated by summing each letter's value: r(0) + e(0) + d(500) + (0) + r(0) + i(1) + v(5) + e(0) + r(0) + (0) + f(0) + l(50) + o(0) + o(0) + d(500) + s(0) + (0) + h(0) + a(0) + a(0) + r(0) + p(0) + (0) + m(1000) + m(1000) + x(10) + i(1) + i(1) + i(1) + (0) + a(0) + d(500).