severe weather risk levels
2 shows a sample severe weather risk scale report 200 according to a preferred embodiment of the invention.

This page will update itself automatically every 5 minutes, or you can force a refresh at any time by … Features. These threat levels are issued daily by the Storm Prediction Center in Norman, Oklahoma and each level highlights the potential risk of severe weather that day.

Marginal Risk, Slight Risk, Moderate Risk…terms we use as meteorologists to signify a Severe Weather Day for you. Meteorologist Kelly Reardon breaks down the confusing marginal, slight or high risk jargon used when describing chances of damaging winds, hail or flooding. The first level is termed a marginal risk and is shown in a dark green color on a weather map. The severe risk categories are determined by the SPC based on the threat for tornadoes, winds in excess of 58 mph, or hail. Get your 3-Day weather forecast for Levels, WV.

You can also think of enhanced risk as the possibility of numerous severe storms.

Confused by severe weather threat maps? A high risk severe weather event is the greatest threat level issued by the Storm Prediction … LEVEL 3 RISK – This corresponds to the SPC Moderate risk.

There are five severe thunderstorm risk categories, all relating to the probability of a severe weather event within 25 miles of any given location.
This risk is issued when a higher concentration of severe weather is possible. The categories at right refer to the risk levels for the specific severe weather event occurring within 25 miles (40 km) of any point in the delineated region, as described in the previous section. Hi/Low, RealFeel, precip, radar, & everything you need to be ready for the day, commute, and weekend! Severe Weather Risks. As a strong trough moves through the Northwest, winds will increase in the mid and upper-levels of the atmosphere across the Plains, leading to increasing shear while temperatures warm and instability builds in …

The level of categorical risk in the Day 1-3 Convective Outlooks is derived from probability forecasts of tornadoes, damaging winds, and large hail on Days 1 and 2, and a combined severe weather risk on Day 3. The Storm Prediction Center labels Enhanced risk with ENH or the color orange. The base-line threat that storms will occur is a "Slight Risk." As can be seen, the severe weather risk report 200 indicates the severity of risk for time periods of less than a day for the geographic location of interest. Enhanced Risk.

Even though this outlook level is called "slight," weather that can occur in this risk area is no less deadly than the weather that occurs in a high risk.


The severe weather threat for today (Thursday) extends throughout the Western Plains. When we have a marginal risk of severe weather …

Web page updates automatically every 5 minutes. The February 2008 Super Tuesday outbreak had the largest number of tornadoes for a single event in February with 86 touching down in the two days. Depending on the setup there could be an increased risk for several tornadoes (some strong), giant hail, and/or widespread damaging wind gusts. Varying levels of severe weather intensity are expected, but the risk for higher-end severe weather increases. They will likely be long-lived and intense.



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