The U.S. National Weather Service issues blizzard warnings when sustained winds or frequent gusts are forecast to be 56 km (35 miles) per hour or greater for at least three hours with sufficient blowing snow to reduce visibility to less than 400 metres (1,300 feet).
That presumption, say soldiers, was sustained by virtue of warnings to Palestinians to leave their homes and neighbourhoods delivered in leaflets dropped by aircraft and in text and phone messages which meant – in the IDF's interpretation – that anyone who remained was not a civilian.
However, the problem received scant policy attention until the 2007 08 world food price crisis that prompted warnings of sustained high food prices over the next decade as food production and supplies are displaced by biofuel production, particularly affecting developing countries that are net food importers (OECD/FAO, 2007).
"The situation has stabilized and there is a sustained downward trend," said Dr. Margaret Chan, while warning that further work was needed to keep the number of new cases declining.
Public-sector unions are already giving warning of a sustained campaign of strikes.
Whether a rally can be sustained amid all these earnings warnings remains very much in doubt, however.
Even with the advanced warning, the affected nations sustained substantial agricultural losses in the form of damaged lands and ecosystems, damaged crops, and increased financial costs of importing water and food.
We must hope that Gordimer, a nonpareil observer of the outer and inner life alike, sustains her heroic mission of witness and of warning.
Images of a city underwater, collapsed bridges and people clinging to power lines sustained months of reflection and dialogue on underdeveloped warning systems and minimal government response.
Southeastern Massachusetts also had a tropical storm warning issued, a few hours before sustained tropical storm force winds affected the area and less than 12 hours before its closest approach to the coastline.
