popcorn convection
 n.— «SCT POPCORN CONVECTION IS EXPECTED OVR THE SERN QUARTER OF THE NATION IN THE INCREASINGLY MOIST AIR MASS SOUTH OF THIS FRONT. ANOTHER ROUND OF HVY TSTRMS IS LIKELY SAT AFTN/EVENING ALG THE COLD FRONT/DRYLINE XTNDG SWD INTO SWRN TX.» —“KWBC Extended FCST Map Discussion” Usenet: ncar.weather May 21, 1996. (source: Double-Tongued Dictionary)

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