Storm Data and Unusual Weather Phenomena - CIG

Storm Data and Unusual Weather Phenomena - CIG Storm Data and Unusual Weather Phenomena - CIG

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Storm Data and Unusual Weather PhenomenaTimePath PathNumber ofEstimatedLocal/ Length WidthPersonsDamageLocation DateStandard (Miles) (Yards) Killed Injured Property Crops Character of StormMarch 1998COLORADO, Central and NortheastCOZ033>036-038>041 Rabbit Ears & Medicine Bow Ranges/Rocky Mountain National Park - Summit County/MosquitoRange/Indian Peaks - Northern Front Range Foothills/Upper Laramie And Cache La Poudre River Basins -Southern Front Range Foothills/Clear Creek Basin - Eastern Larimer And Northwestern Weld Counties -Eastern Boulder County/Boulder And Vicinity - Denver Metropolitan Area - Eastern Douglas And WesternElbert Counties/Castle Rock And Vicinity18 0200MST2200MST0 00 Winter StormHeavy snow fell from areas west of Interstate 25 to the Continental Divide as strong upslope conditions developed. Two to 3 1/2feet of snow fell in the foothills with 1 to 2 feet reported along western portions of the Urban Corridor.Snowfall totals included: 38 inches at Silver Spruce Ranch, 2 miles south of Ward, 35 inches at Aspen Springs, 33 inches nearBlackhawk, 31 inches at Allenspark, 30 inches at Eldora, 29 inches at Coal Creel Canyon, 27 inches at Conifer, the Chief HosaExit and Nederland, 25 inches at Rollinsville and Gross Reservoir, 21 inches at Evergreen, 20 inches at Carter Lake, 15 to 19 inchesat Broomfield, Lakewood, Table Mesa, 1 mile east of Buckhorn Mountain and Virginia Dale. Elsewhere snowfall amounts rangedfrom 8 to 14 inches.Denver CountyDenver 29 1500MST0 40 Dry MicroburstFour children attending a birthday party were injured when a sudden gust of wind blew an inflateable playhouse they wer eoccupying, into a neighbour's yard. The playhouse scraped the roof of the host's two story house, then landed in the adjoining yard.The children were treated for minor head injuries and cuts.COLORADO, East CentralCheyenne County3 SE Arapahoe 26 1830MST0 0 1KThunderstorm Wind (G70)Estimated 60-80 mph thunderstorm wind gust blew small kitchen cabinet 30 feet into tree. Lifted children's wagon about 4 feet offground. Garage window blown out. Empty 55 gallen drums rolled.COLORADO, South Central and SoutheastCOZ060>061- La Garita Mountains - Eastern San Juan Mountains - Northern Sangre De Cristo Mountains - Southern065>066-070-074>075 Sangre De Cristo Mountains - Wet Mountains - Upper Huerfano River Basin/Walsenburg And Vicinity -Upper Purgatoire River Basin/Trinidad And Vicinity06 0500MST0 0Winter Storm07 2000MSTA strong winter storm moved across southern Colorado...reaching the southeast plains late on the morning of the 7th. In addition tothe heavy snowfall, strong gusty winds at 15 to 35 mph produced widespread blowing and drifting snow across the mountains.Snowfall totals ranged from 18 to 26 inches at Wolf Creek Pass and the town of Creede in the Eastern San Juan and La Garitamountains...8 to 10 inches at Cuchara in the southern Sangre de Cristo mountains...6 to 8 inches in Westcliffe and at Rye andBeulah in western Pueblo county and in the Wet mountains...and 4 to 6 inches across the southern foothills, including Walsenburgand Trinidad.COZ060>081 La Garita Mountains - Eastern San Juan Mountains - Northern San Luis Valley/Del Norte And Vicinity -Alamosa County/Alamosa And Vicinity - Southern San Luis Valley - Northern Sangre De Cristo Mountains -Southern Sangre De Cristo Mountains - Teller County/Rampart Range/Pikes Peak - Western Fremont AndNorthern Custer Counties - Upper Arkansas River Valley/Salida And Vicinity - Wet Mountains - Southern ElPaso County/Colorado Springs And Vicinity - Northern El Paso County/Monument Ridge - Pueblo AndEastern Fremont Counties/Pueblo And Vicinity - Upper Huerfano River Basin/Walsenburg And Vicinity -Upper Purgatoire River Basin/Trinidad And Vicinity - Crowley And Otero Counties/La Junta And Vicinity -Eastern Las Animas County - Kiowa County - Bent County/Las Animas And Vicinity - ProwersCounty/Lamar And Vicinity - Baca County/Springfield And Vicinity18 0000MST0 0Winter Storm19 1000MSTA strong winter storm system moved across western Colorado the morning of the 18th, reaching north central New Mexico by theevening. Heavy snow fell in many parts of south central and southeast Colorado on the 18th through the early morning of the 19th.The storm shut down nearly all except emergency services and caused numerous traffic accidents in Colorado Springs, wheresnowfall amounts ranged from 15 inches at the Colorado Springs airport to 34 inches near Monument Hill. Other snow amountsincluded: 1 to 4 inches across the southwest mountains with as much as 12 inches at Wolf Creek Pass, 1 to 4 inches across the SanLuis Valley with as much as 10 inches in Antonito, 4 to 12 inches across the southeast foothills and high valleys, 15 to 20 inchesacross the eastern mountains with as much as 34 inches at Monument Hill, and 6 to 14 inches across all of the southeast plains.30 24

COLORADO, South Central and SoutheastCOZ061-067-074>075 Eastern San Juan Mountains - Teller County/Rampart Range/Pikes Peak - Upper Huerfano RiverBasin/Walsenburg And Vicinity - Upper Purgatoire River Basin/Trinidad And VicinityCOZ060>061-065>067-070>075COLORADO, WestCOZ004-010-012COZ004-009>010-012-017>021-023COZ002COZ010COZ001>002-007-009>010-012-018Storm Data and Unusual Weather PhenomenaTimePath PathNumber ofEstimatedLocal/ Length WidthPersonsDamageLocation DateStandard (Miles) (Yards) Killed Injured Property Crops Character of StormMarch 199826 1300MST0 0Heavy Snow27 0800MSTA weather disturbance tracked from southern Nevada across southern Colorado the afternoon and evening of the 26th through theearly morning of the 27th, bringing a quick blast of snow to the south central mountains and southeastern foothills. Across theEastern San Juan mountains, Santa Maria Reservoir in Mineral county received a storm total of 11 inches, while Creede received 8inches. Across the southeast foothills, Trinidad and Walsenburg received around 6 inches of snow, while Woodland Park in Tellercounty tallied 4 inches.La Garita Mountains - Eastern San Juan Mountains - Northern Sangre De Cristo Mountains - SouthernSangre De Cristo Mountains - Teller County/Rampart Range/Pikes Peak - Wet Mountains - Southern El PasoCounty/Colorado Springs And Vicinity - Northern El Paso County/Monument Ridge - Pueblo And EasternFremont Counties/Pueblo And Vicinity - Upper Huerfano River Basin/Walsenburg And Vicinity - UpperPurgatoire River Basin/Trinidad And Vicinity28 0000MST0 0Winter Storm30 1500MSTA strong winter storm system moved from the Great basin across southern Colorado, bringing heavy snow to the Eastern San Juanand La Garita mountains on the 28th through midday of the 29th. Wolf Creek Pass reported a storm total of 19 inches, and wasclosed because of deep snow and strong gusty winds. Creede and Santa Maria Reservoir reported 9 to 10 inches of snow. Thestorm continued to track east, bringing snow to the Sangre De Cristo mountains, the Wet mountains, Teller county, and the nearbyfoothills and plains on the 30th. Across this area snowfall totals ranged from 4 to 10 inches, with Woodland Park in Teller countyreporting a storm total of 8 inches. Cuchara, in the southern Sangre de Cristo mountains, Beulah and Rye in the Wet mountains,and Walsenburg saw 8 to 10 inches of snow.Elkhead And Park Mountains/Flat Tops/White River Plateau - Gore And Elk Mountains/Central MountainValleys/Aspen And Vicinity - West Elk And Sawatch Mountains/Taylor Park04 0000MST0 0Heavy Snow05 0000MSTA moist westerly flow produced about a foot of new snow in most northern and central mountain areas of western Colorado.Heavier amounts included 18 inches at Steamboat Ski Area, 15 inches at Aspen Ski Area, and 15 inches at Snowmass Ski Area.Elkhead And Park Mountains/Flat Tops/White River Plateau - Grand And Battlement Mesas - Gore And ElkMountains/Central Mountain Valleys/Aspen And Vicinity - West Elk And Sawatch Mountains/Taylor Park -Uncompahgre Plateau - Northwestern San Juan Mountains - Southwestern San Juan Mountains - ParadoxValley/Lower Dolores River - Four Corners/Upper Dolores River/Cortez And Vicinity - San Juan RiverBasin/Pagosa Springs And Vicinity05 2000MST0 0Winter Storm07 0000MSTA Pacific trough generally produced 8 to 12 inches of snow in most mountain areas of western Colorado as well as 6 to 10 inches insome lower elevation areas of southwest Colorado. Heavier amounts included 23 inches at Purgatory Ski Area, 18 inches atTelluride Ski Area, 18 inches at Fish Creek just northwest of Rico, and 16 inches at McClure Pass. Strong winds caused areas ofblowing and drifting snow. Gusts of 50 to 65 MPH were reported in many mountain areas, while gusts of 40 to 50 MPH wereobserved at lower elevations.Central Yampa River Basin/Craig-Hayden And Vicinity06 2100MST0 0 0.50KHigh Wind (G72)2130MSTStrong winds associated with a cold front passage gusted to 83 MPH (72 knots) at the Yampa Valley Regional Airport near Hayden.The only known damage occurred to the anemometer cups which blew away.Gore And Elk Mountains/Central Mountain Valleys/Aspen And Vicinity08 1500MST1 0AvalancheA skier triggered a soft-slab avalanche in Ophir Gulch while traversing beyond the boundary of the Aspen Mountain Ski Area at the10,000 foot level. The avalanche path was 500 feet wide and carried the victim down 380 vertical feet. M43OULower Yampa River Basin/Rangely And Vicinity - Central Yampa River Basin/Craig-Hayden And Vicinity -Debeque Rifle Glenwood Springs Corridor - Grand And Battlement Mesas - Gore And ElkMountains/Central Mountain Valleys/Aspen And Vicinity - West Elk And Sawatch Mountains/Taylor Park -Northwestern San Juan Mountains17 2000MST0 0Winter Storm18 2000MSTAn upper low and surface cold front produced 10 to 20 inches of snow in the northwest San Juan Mountains as well as the centralmountains of western Colorado. 6 to 10 inches of snow also fell in some of the lower elevation areas of northwest Colorado. Gusty31 25

COLORADO, South Central <strong>and</strong> SoutheastCOZ061-067-074>075 Eastern San Juan Mountains - Teller County/Rampart Range/Pikes Peak - Upper Huerfano RiverBasin/Walsenburg And Vicinity - Upper Purgatoire River Basin/Trinidad And VicinityCOZ060>061-065>067-070>075COLORADO, WestCOZ004-010-012COZ004-009>010-012-017>021-023COZ002COZ010COZ001>002-007-009>010-012-018<strong>Storm</strong> <strong>Data</strong> <strong>and</strong> <strong>Unusual</strong> <strong>Weather</strong> <strong>Phenomena</strong>TimePath PathNumber ofEstimatedLocal/ Length WidthPersonsDamageLocation DateSt<strong>and</strong>ard (Miles) (Yards) Killed Injured Property Crops Character of <strong>Storm</strong>March 199826 1300MST0 0Heavy Snow27 0800MSTA weather disturbance tracked from southern Nevada across southern Colorado the afternoon <strong>and</strong> evening of the 26th through theearly morning of the 27th, bringing a quick blast of snow to the south central mountains <strong>and</strong> southeastern foothills. Across theEastern San Juan mountains, Santa Maria Reservoir in Mineral county received a storm total of 11 inches, while Creede received 8inches. Across the southeast foothills, Trinidad <strong>and</strong> Walsenburg received around 6 inches of snow, while Woodl<strong>and</strong> Park in Tellercounty tallied 4 inches.La Garita Mountains - Eastern San Juan Mountains - Northern Sangre De Cristo Mountains - SouthernSangre De Cristo Mountains - Teller County/Rampart Range/Pikes Peak - Wet Mountains - Southern El PasoCounty/Colorado Springs And Vicinity - Northern El Paso County/Monument Ridge - Pueblo And EasternFremont Counties/Pueblo And Vicinity - Upper Huerfano River Basin/Walsenburg And Vicinity - UpperPurgatoire River Basin/Trinidad And Vicinity28 0000MST0 0Winter <strong>Storm</strong>30 1500MSTA strong winter storm system moved from the Great basin across southern Colorado, bringing heavy snow to the Eastern San Juan<strong>and</strong> La Garita mountains on the 28th through midday of the 29th. Wolf Creek Pass reported a storm total of 19 inches, <strong>and</strong> wasclosed because of deep snow <strong>and</strong> strong gusty winds. Creede <strong>and</strong> Santa Maria Reservoir reported 9 to 10 inches of snow. Thestorm continued to track east, bringing snow to the Sangre De Cristo mountains, the Wet mountains, Teller county, <strong>and</strong> the nearbyfoothills <strong>and</strong> plains on the 30th. Across this area snowfall totals ranged from 4 to 10 inches, with Woodl<strong>and</strong> Park in Teller countyreporting a storm total of 8 inches. Cuchara, in the southern Sangre de Cristo mountains, Beulah <strong>and</strong> Rye in the Wet mountains,<strong>and</strong> Walsenburg saw 8 to 10 inches of snow.Elkhead And Park Mountains/Flat Tops/White River Plateau - Gore And Elk Mountains/Central MountainValleys/Aspen And Vicinity - West Elk And Sawatch Mountains/Taylor Park04 0000MST0 0Heavy Snow05 0000MSTA moist westerly flow produced about a foot of new snow in most northern <strong>and</strong> central mountain areas of western Colorado.Heavier amounts included 18 inches at Steamboat Ski Area, 15 inches at Aspen Ski Area, <strong>and</strong> 15 inches at Snowmass Ski Area.Elkhead And Park Mountains/Flat Tops/White River Plateau - Gr<strong>and</strong> And Battlement Mesas - Gore And ElkMountains/Central Mountain Valleys/Aspen And Vicinity - West Elk And Sawatch Mountains/Taylor Park -Uncompahgre Plateau - Northwestern San Juan Mountains - Southwestern San Juan Mountains - ParadoxValley/Lower Dolores River - Four Corners/Upper Dolores River/Cortez And Vicinity - San Juan RiverBasin/Pagosa Springs And Vicinity05 2000MST0 0Winter <strong>Storm</strong>07 0000MSTA Pacific trough generally produced 8 to 12 inches of snow in most mountain areas of western Colorado as well as 6 to 10 inches insome lower elevation areas of southwest Colorado. Heavier amounts included 23 inches at Purgatory Ski Area, 18 inches atTelluride Ski Area, 18 inches at Fish Creek just northwest of Rico, <strong>and</strong> 16 inches at McClure Pass. Strong winds caused areas ofblowing <strong>and</strong> drifting snow. Gusts of 50 to 65 MPH were reported in many mountain areas, while gusts of 40 to 50 MPH wereobserved at lower elevations.Central Yampa River Basin/Craig-Hayden And Vicinity06 2100MST0 0 0.50KHigh Wind (G72)2130MSTStrong winds associated with a cold front passage gusted to 83 MPH (72 knots) at the Yampa Valley Regional Airport near Hayden.The only known damage occurred to the anemometer cups which blew away.Gore And Elk Mountains/Central Mountain Valleys/Aspen And Vicinity08 1500MST1 0AvalancheA skier triggered a soft-slab avalanche in Ophir Gulch while traversing beyond the boundary of the Aspen Mountain Ski Area at the10,000 foot level. The avalanche path was 500 feet wide <strong>and</strong> carried the victim down 380 vertical feet. M43OULower Yampa River Basin/Rangely And Vicinity - Central Yampa River Basin/Craig-Hayden And Vicinity -Debeque Rifle Glenwood Springs Corridor - Gr<strong>and</strong> And Battlement Mesas - Gore And ElkMountains/Central Mountain Valleys/Aspen And Vicinity - West Elk And Sawatch Mountains/Taylor Park -Northwestern San Juan Mountains17 2000MST0 0Winter <strong>Storm</strong>18 2000MSTAn upper low <strong>and</strong> surface cold front produced 10 to 20 inches of snow in the northwest San Juan Mountains as well as the centralmountains of western Colorado. 6 to 10 inches of snow also fell in some of the lower elevation areas of northwest Colorado. Gusty31 25

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