TABLE 3.3 Spatial and temporal scales of several meteorological phenomena of consequence for agricultural industries, and the measurement resolution (instrument accuracy, spatial resolution, and temporal resolution) required to adequately observe those phenomena

Event/variable

Space

Time

Measurement Resolution

Heat wave (temperature)

500-1500 km

2 days-1 week

1°C, 10 km, 1 h

Drought (soil moisture)

500-1500 km

2 weeks to interannual

2 mm

Wind

1 km-2000 km

1 min-4 days

1 m s−1, 1 km, 1 min

Precipitation

10 km-regional

hours to days seasonal to interannual

1 mm, 1 km, 1 h

Cloudiness

local to regional

daytime hrly to clim

1.1 sky, 10 km, 20 min

Temperature

500-1500 km

seasonal

1°F, 10 km, 1 h

Flood

0.1 km-100 km

2 days-2 weeks

sub-basin

Hail

0.1 km-20 km

5 min-5 h

100 m

SOURCE: Derived from an analysis provided by Schlatter et al. (2005).



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