WCCA31 MHTG 312105 CCA MHTG SIGMET P4 VALID 312100/010300 MHTG- MHCC CENTRAL AMERICAN FIR TC PILAR OBS AT 2100Z N1104 W08905 MOV ENE 03KT NC EMBD TS TOP ABV FL500 WI N1326 W08610 - N0920 W09037 - N1122 W09418 - N1334 W09323 - N1534 W08940 - N1412 W08652 FCST 0600Z TC CENTRE N1105 W08907=