Reporting Criteria for Klamath, Lake, Modoc and Siskiyou 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 5000 ft four or more inches of new snow
    2. Above 5000 ft six or more inches of new snow

Winds
     1. Below 5000 ft estimated winds of 35 mph or greater
    2. Above 5000 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