On October 29, 1991, the NSSFC issued a slight risk of severe thunderstorms for the panhandle of Nebraska and northeastern Colorado. Noted discrepancies:  NWS calls this an F2, Grazulis says F1. Current Hazards A tornado rated as F0 is the least damaging, while an F5 is the most damaging. Notes:  Storm Data says this tornado touched down just north of Berea, then moved northeast for four miles. Sorry, the location you searched for was not found. Day. Weather Radio Deaths: Time:  2:00pm Retro_WX 58,009 views. Fujita |?| - The Fujita Scale is used to assess the intensity and damage caused by a tornado. 1-Stop Drought Decision Support Page This put some doubts on the future of the slight risk for tornadoes, some strong that had been issued earlier in the day, and the NSSFC held off on a high risk upgrade, citing uncertainty. The squall line would diminish across the Ozarks early on October 31. On May 31, two significant tornadoes, rated F2 and F3, struck Lincoln County, Colorado, while a photogenic tornado formed over Sitka, Kansas. Southeast of Trenton the tornado was on the ground for a mile and a half and destroyed a barn and a trailer. F-scale:  F1 Tornado Machine Plans, Weather Safety https://hypotheticaltornadoes.fandom.com/wiki/Halloween_1991_tornado_outbreak?oldid=63636, Much of the central and eastern United States. Deaths: Path length: Counties:  Logan (from Todd) Given higher certainty for a dangerous severe thunderstorm and tornado outbreak, the NSSFC upgraded much of Kansas and Nebraska, and possibly Oklahoma to a high risk of severe thunderstorms at 12 pm. Daily Temp/Precip Maps Past Derby/Oaks/Thunder Weather Hazardous Weather Outlook Grazulis narrative:  Skipped northeast from 6 1/2 miles southeast of Trenton to southwest of Allensville to near Lickskillet to near Auburn and Richardsville. Path length:  21 miles Injuries:  0 Red dots and paths denote tornadoes. A few bust events had occurred earlier in the month, including one on October 10, 1991, that warranted a high risk of severe thunderstorms across the Ohio River Valley. Of the tornadoes that did form during September, many occurred within the coastal regions of several southeastern states including Florida, Georgia, South Carolina, North Carolina and Virginia. Climate Graphs Of the 9 tornadoes to occur in Oklahoma, 4 of these (Tornadoes A1, A2, A3 & B1) occurred in the NWS Norman forecast area. 1310 & 1314.) Spotter Training Add to Collection Add to Wantlist Remove from Wantlist. Grazulis narrative: Skipped northeast from 6 1/2 miles southeast of Trenton to southwest of Allensville to near Lickskillet to near Auburn and Richardsville. While experimenting with a new flight maneuver, Colonel Alex Long and Phil encounter a mysterious light over a mountain range. Marketplace 0 11 For Sale from $5.88. El Nino and La Nina wind producing tendencies, rather than tornado producing ones, and at 1740, the NSSFC issued a tornado watch for all of Indiana, much of Illinois and southern and central Missouri. Path length:  1/2 mile See main article here: Tornado outbreak of October 26-27, 1991. Much of late Summer and early Autumn had been lackluster at best across most of the continental United States in 1991. Air Quality The deadliest tornado of the outbreak, a F3, struck the areas surrounding Alexandria, Indiana, resulting in 15 deaths. - As of February 1, 2007, the Enhanced Fujita Scale was adopted. Fire Weather While a tornado can happen almost anywhere in the world, the middle latitudes between 30° and 50° North or South are the most favorable. Aviation Counties:  Barren However, as the late morning hours progressed, the mesoscale convective system diminished, allowing for rapid destabilization across the Great Plains region. Eighty-four frame houses and fourteen businesses were destroyed or severely damaged. On the morning of October 31, 1991, a unusually warm and humid atmosphere existed across the Midwestern United States, warranting the NSSFC to highlight a slight risk of severe thunderstorms for that afternoon, concerning a straight-line wind and very isolated tornado threat. The supercells merged into a squall line, killing off any tornado potential early that afternoon, and the risk was downgraded to a slight risk, with a minimal threat of tornadoes noted. Sufficient instability was in place for a localized tornado outbreak later that afternoon, and the National Severe Storms Forecast Center issued a slight risk of severe thunderstorms for October 26. This page documents the tornadoes and tornado outbreaks of 1993, primarily in the United States.Most tornadoes form in the U.S., although some events may take place internationally. 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