What does The Polar Express look like under Level Red? There were 27 reported in Colorado last year. Jim Pringle, warning coordinator meteorologist at the Weather Service office in Grand Junction, was in Durango last week to teach a storm-spotting class, along with other classes and media visits around the area. When storm chasers see this pattern on radar, they can expect to have a successful chase day. This is why bow echoes are associated with damaging straight-line winds, especially at their center or "crest." He advised people to wait until 30 minutes after a storm has passed before heading back outside because lightning is still possible that long after a storm dissipates. An F1 did hit Durango on Oct. 5, 2004, Pringle said, and because a volunteer weather spotter called the storm in, the weather service was able to issue a warning about four minutes before it hit the ground. Jim Pringle, a meteorologist at the National Weather Service, displays a map of weather radar coverage in the Four Corners. Durango High School football defeats Canon City High School on Friday night at DHS. Weather reports can be made on Facebook or Twitter or by calling the Grand Junction office at (970) 243-7007. Most single cells are non-severe, but if conditions are unstable enough, these storms can produce periods of brief severe weather. In the same way that radar colors make it easy to spot an existing storm, shapes make it easy to classify a storm into its severity type. It was founded in Fort Collins after a flash flood there killed several people and has now expanded across the country and into Canada and Puerto Rico. | Terms of Use | Privacy Policy. The National Weather Service office in Grand Junction is staffed 24 hours a day, with 14 people working on rotating shifts. Mini supercells, the most common of the supercells here, are made up of multiple stormclouds but rise to heights of only about 35,000 feet, compared with 70,000-foot towers of stormclouds in the Midwest, for example. And even though we live in the mountains, tornadoes can occur in Colorado. 98, Durango writer turns pandemic challenges into children’s podcast, 2 people die in small plane crash near Telluride. Reports take about five minutes a day to log in, or less when there is no precipitation. The hook signature is produced from precipitation that gets wrapped into the counterclockwise-rotating winds (mesocyclone) within a supercell storm. Its Doppler radar is the second-highest in elevation in North America. He also teaches them twice a year in Grand Junction. Broncos left without any QBs, 49ers could be forced to relocate as pandemic... NFL benches all Broncos quarterbacks for Saints game, Report a paper delivery issue/suspend delivery. As a result, its radar return values are quite high, usually 60+ decibels (dBZ). It appears on radar as a clockwise, hook-shaped extension that branches off from the right rear of a supercell thunderstorm. Squall lines stretch over a hundred miles in length. Riders compete in the 4 Corners Cyclocross Series race on Saturday at Durango Mesa. When storm chasers see this pattern on radar, they can expect to have a successful chase day. Even with radar and satellites, there are still things meteorologists can’t see, he said, such as smoke from the Missionary Ridge Fire in 2002 that they didn’t know about in Grand Junction until someone called and reported it. The blue areas have coverage, while the dark areas have little or no coverage, increasing the importance of weather spotters in the area. They often evolve from merging pulse thunderstorms, and are the most common thunderstorm type. Gallery: Durango football state quarterfinal win, Family in Ignacio becomes whole through adoption, Have you been keeping up with local headlines? Hailstorms are another meteorological phenomenon we often face here. Budgets permitting, Pringle visits the area every spring to conduct storm-spotter classes. As a general rule, the brighter the radar color, the more severe the weather associated with it. A few were on the Western Slope, while the rest formed in the Eastern plains. The arrows depict surface winds and downdrafts. More information is at cocorahs.org. The schematic plan views below show how isolated supercell thunderstorms (panel a) appear on radar reflectivity displays in comparison to various bow echo configurations (panels b-d). One of the congressional charges to the weather service is “the protection of life and property.”. Tiffany Means is a meteorologist and member of the American Meteorological Society who has worked for CNN, the National Oceanic and Atmospheric Administration, and more. Because of the area’s topography and distance, the Four Corners is one of the areas in the U.S. that does not have complete radar coverage. The only requirement is the purchase of a 4-inch professional rain gauge. If watched on a radar loop, the number of storms within a multicell group grows exponentially; this is because each cell interacts with its neighbor cell, which in turn grows new cells. Durango High School defeats Lutheran High School on Saturday in the quarter final playoff game at DHS. But training from the National Weather Service can give you a good idea of when to get off the water, golf course or Fourteener. Because of this, yellows, oranges, and reds make severe storms easy to detect at a glance. Such storms are called "pulse thunderstorms.". Mini supercells can create updraft and downdraft winds of up to 100 mph, he said. The bow shape is produced from the rush of cool air that descends from a thunderstorm downdraft.