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Report Criteria for Jackson and Josephine Counties
Tornadoes, funnel clounds or severe thunderstorms
1. Tornadoes or funnel clouds are observed 2. Hail observed ½ inch in diameter or larger 3. Rainfall at a rate of ½ inch or more an hour 4. Wind gust of 35 miles an hour or more
Rainfall
1. One inch or more in 12 hours 2. 1 ½ inches or more in 24 hours 3. Rain that freezes on contact with the ground or other surfaces
Snowfall
1. Below 1500 ft two or more inches of new snow 2. Between 1500 ft and 3500 ft four or more inches of new snow 3. Above 3500 ft six inches or more of new snow
Winds
1. Below 3500 ft estimated winds of 35 mph or greater 2. Above 3500 ft estimated winds of 45 mph or greater
Small stream flooding
1. Small streams flooding or near flood and rising 2. Water ponding in low areas or crossing roadways
Dense fog
1. Visibility 100 yards or less and affecting major roadways
Earthquakes or tremors
1. When felt
Webmaster US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Medford Weather Forecast Office 4003 Cirrus Drive Medford, OR 97504-4198 Tel: (541) 776-4303