International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
406 WSNT01 KKCI 190820 SIGA0A KZHU SIGMET ALFA 9 VALID 190820/191220 KKCI- HOUSTON OCEANIC FIR FRQ TS OBS AT 0820Z WI N2815 W09400 - N2815 W08945 - N2400 W08600 - N2430 W08815 - N2430 W09300 - N2600 W09545 - N2730 W09515 - N2815 W09400. TOP FL500. MOV NW 20KT. NC.