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    Gap-Filling Mobile Radar Observations of a Snow Squall in the San Luis Valley

    Source: Monthly Weather Review:;2018:;volume 146:;issue 008::page 2469
    Author:
    Rosenow, Andrew A.
    ,
    Howard, Kenneth
    ,
    Meitín, José
    DOI: 10.1175/MWR-D-17-0323.1
    Publisher: American Meteorological Society
    Abstract: AbstractOn 24 January 2017, a convective snow squall developed in the San Luis Valley of Colorado. This squall produced rapidly varying winds at San Luis Valley airport in Alamosa, Colorado, with gusts up to 12 m s?1, and an associated visibility drop to 1.4 km from unlimited in less than 10 min. This snow squall was largely undetected by the operational WSR-88D network because of the Sangre de Cristo Range of the Rocky Mountains lying between the valley and the nearest WSR-88D in Pueblo, Colorado. This study presents observations of the snow squall from the X-band NOAA X-Pol radar, which was deployed in the San Luis Valley during the event. These observations document the squall developing from individual convective cells and growing upscale into a linear squall, with peak radial velocities of 15 m s?1. The environment conducive to the development of this snow squall is examined using data from the High-Resolution Rapid Refresh model, which shows an environment unstable to ascending surface-based parcels, with surface-based convective available potential energy (SBCAPE) values up to 600 J kg?1 in the San Luis Valley. The mobile radar data are integrated into the Multi-Radar Multi-Sensor (MRMS) mosaic to illustrate both the large improvement in detectability of this event gained from a gap-filling radar as well as the capability of MRMS to incorporate data from new radars designed to fill gaps in the current radar network.
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      Gap-Filling Mobile Radar Observations of a Snow Squall in the San Luis Valley

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    contributor authorRosenow, Andrew A.
    contributor authorHoward, Kenneth
    contributor authorMeitín, José
    date accessioned2019-09-19T10:04:37Z
    date available2019-09-19T10:04:37Z
    date copyright5/9/2018 12:00:00 AM
    date issued2018
    identifier othermwr-d-17-0323.1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4261259
    description abstractAbstractOn 24 January 2017, a convective snow squall developed in the San Luis Valley of Colorado. This squall produced rapidly varying winds at San Luis Valley airport in Alamosa, Colorado, with gusts up to 12 m s?1, and an associated visibility drop to 1.4 km from unlimited in less than 10 min. This snow squall was largely undetected by the operational WSR-88D network because of the Sangre de Cristo Range of the Rocky Mountains lying between the valley and the nearest WSR-88D in Pueblo, Colorado. This study presents observations of the snow squall from the X-band NOAA X-Pol radar, which was deployed in the San Luis Valley during the event. These observations document the squall developing from individual convective cells and growing upscale into a linear squall, with peak radial velocities of 15 m s?1. The environment conducive to the development of this snow squall is examined using data from the High-Resolution Rapid Refresh model, which shows an environment unstable to ascending surface-based parcels, with surface-based convective available potential energy (SBCAPE) values up to 600 J kg?1 in the San Luis Valley. The mobile radar data are integrated into the Multi-Radar Multi-Sensor (MRMS) mosaic to illustrate both the large improvement in detectability of this event gained from a gap-filling radar as well as the capability of MRMS to incorporate data from new radars designed to fill gaps in the current radar network.
    publisherAmerican Meteorological Society
    titleGap-Filling Mobile Radar Observations of a Snow Squall in the San Luis Valley
    typeJournal Paper
    journal volume146
    journal issue8
    journal titleMonthly Weather Review
    identifier doi10.1175/MWR-D-17-0323.1
    journal fristpage2469
    journal lastpage2481
    treeMonthly Weather Review:;2018:;volume 146:;issue 008
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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