This was the official weather forecast in the Myanmar Newspaper concerning the Cyclone Nargis on April 29th, 2008 heavily underestimating the force of the cyclone even after warnings from India and Thailand.

Translated:
"
Heavy rain, strong winds, and big waves
nay pyi daw april 29th

According to today's weather forecast at 18:00 hours Myanmar standard
time, the strong cyclone 'Nargis' occuring in the midwest of the Bay of Bengal has apparently not become
stronger but is tracking slowly north towards approximately 585 miles
north-northwest of Coco Island.

It is forecast that the above strong cyclone will not become stronger
within 24 hours and will move slowly towards the Northeast.

Due to this big cyclone, within 48 hours from noon today, dense to
scattered heavy rain could be expected in: Arakan, Mon, and Karan
divisoin as well as Irrawaddy, Yangon, Peju and Tanansarim divisions.

Along and beyond the coastline of Myanmar, occasional heavy rain and
high waves can occur. During this heavy rain, wind over the sea and
land could be 40-45 miles per hour.

This is the weather forecast from the Meteorology Department of Myanmar.
"