Modeling the effects of dust‐radiative forcing on the movement of Hurricane Helene (2006)
The influence of direct dust‐radiative forcing on the movement and track of Hurricane Helene (2006) is examined numerically using the Weather Research and Forecasting dust model. Numerical simulations show that the model‐generated dust plume modifies the thermal field, causing a clockwise turning of...
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| Veröffentlicht in: | Quarterly journal of the Royal Meteorological Society 2015-10, Vol.141 (692), p.2563-2570 |
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| container_title | Quarterly journal of the Royal Meteorological Society |
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| creator | Chen, Shu‐Hua Liu, Yi‐Chin Nathan, Terrence R. Davis, Christopher Torn, Ryan Sowa, Nicholas Cheng, Chao‐Tzuen Chen, Jen‐Ping |
| description | The influence of direct dust‐radiative forcing on the movement and track of Hurricane Helene (2006) is examined numerically using the Weather Research and Forecasting dust model. Numerical simulations show that the model‐generated dust plume modifies the thermal field, causing a clockwise turning of the vertical shear surrounding the plume, which changes the deep layer steering flow. The change in the steering flow modifies Helene's moving speed and direction as it transits the plume. As Helene exits the plume, it has a different trajectory than it would have had in the absence of dust‐radiative forcing. Consequently, the difference in the tracks with and without dust‐radiative forcing continues to grow with distance from the plume. The dust‐induced changes in temperature and wind together cause Helene's modeled storm track to be in closer agreement with the observed track; the dust‐radiative forcing reduces the error in the model's 7‐day track forecasts by an average of 27% (∼205 km). |
| doi_str_mv | 10.1002/qj.2542 |
| format | Article |
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(PNNL), Richland, WA (United States)</creatorcontrib><title>Modeling the effects of dust‐radiative forcing on the movement of Hurricane Helene (2006)</title><title>Quarterly journal of the Royal Meteorological Society</title><description>The influence of direct dust‐radiative forcing on the movement and track of Hurricane Helene (2006) is examined numerically using the Weather Research and Forecasting dust model. Numerical simulations show that the model‐generated dust plume modifies the thermal field, causing a clockwise turning of the vertical shear surrounding the plume, which changes the deep layer steering flow. The change in the steering flow modifies Helene's moving speed and direction as it transits the plume. As Helene exits the plume, it has a different trajectory than it would have had in the absence of dust‐radiative forcing. Consequently, the difference in the tracks with and without dust‐radiative forcing continues to grow with distance from the plume. The dust‐induced changes in temperature and wind together cause Helene's modeled storm track to be in closer agreement with the observed track; the dust‐radiative forcing reduces the error in the model's 7‐day track forecasts by an average of 27% (∼205 km).</description><subject>Atlantic Ocean</subject><subject>dust</subject><subject>dust model</subject><subject>dust‐radiative forcing</subject><subject>GEOSCIENCES</subject><subject>Hurricane track</subject><subject>Meteorology</subject><subject>Saharan dust</subject><subject>track</subject><subject>tropical cyclone (TC)</subject><issn>0035-9009</issn><issn>1477-870X</issn><issn>1477-870X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp10c1q3DAUBWARGsg0KXkF0y46pTjVr2Uvy9B0WiaEQgKBLIQiXWVkbCsj2QnZ5RHyjH2Sama6KnR1Nh-Xc7gInRJ8RjCmXzbtGRWcHqAZ4VKWtcQ3b9AMYybKBuPmCL1NqcUYC0nlDN1eBAudH-6LcQ0FOAdmTEVwhZ3S-PvlNWrr9egfoXAhmq0Lw4724RF6GMatXU4xeqMHKJbQQY45xbj6dIIOne4SvPubx-j6_NvVYlmuLr__WHxdlYaThpZVbYSwmmpTaydchRtt-Z3M9QTUmtWVroFxcNZo4mRDWCXtHbWSW0Y5wTU7Ru_3d0MavUrGj2DWJgxD3qII5YwyntF8jx5i2EyQRtX7ZKDrcu0wJUUkEw3hfEc__EPbMMUhT8iKyooxUousPu6ViSGlCE49RN_r-KwIVttPqE2rtp_I8vNePvkOnv_H1K-fO_0HL-uHMQ</recordid><startdate>201510</startdate><enddate>201510</enddate><creator>Chen, Shu‐Hua</creator><creator>Liu, Yi‐Chin</creator><creator>Nathan, Terrence R.</creator><creator>Davis, Christopher</creator><creator>Torn, Ryan</creator><creator>Sowa, Nicholas</creator><creator>Cheng, Chao‐Tzuen</creator><creator>Chen, Jen‐Ping</creator><general>John Wiley & Sons, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>SOI</scope><scope>OTOTI</scope></search><sort><creationdate>201510</creationdate><title>Modeling the effects of dust‐radiative forcing on the movement of Hurricane Helene (2006)</title><author>Chen, Shu‐Hua ; Liu, Yi‐Chin ; Nathan, Terrence R. ; Davis, Christopher ; Torn, Ryan ; Sowa, Nicholas ; Cheng, Chao‐Tzuen ; Chen, Jen‐Ping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4192-68c55da2ac8af5f609ad4b77275e8a386a8e34efdca1f791367db2d74d3241083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Atlantic Ocean</topic><topic>dust</topic><topic>dust model</topic><topic>dust‐radiative forcing</topic><topic>GEOSCIENCES</topic><topic>Hurricane track</topic><topic>Meteorology</topic><topic>Saharan dust</topic><topic>track</topic><topic>tropical cyclone (TC)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Shu‐Hua</creatorcontrib><creatorcontrib>Liu, Yi‐Chin</creatorcontrib><creatorcontrib>Nathan, Terrence R.</creatorcontrib><creatorcontrib>Davis, Christopher</creatorcontrib><creatorcontrib>Torn, Ryan</creatorcontrib><creatorcontrib>Sowa, Nicholas</creatorcontrib><creatorcontrib>Cheng, Chao‐Tzuen</creatorcontrib><creatorcontrib>Chen, Jen‐Ping</creatorcontrib><creatorcontrib>Pacific Northwest National Lab. 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| source | Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Atlantic Ocean dust dust model dust‐radiative forcing GEOSCIENCES Hurricane track Meteorology Saharan dust track tropical cyclone (TC) |
| title | Modeling the effects of dust‐radiative forcing on the movement of Hurricane Helene (2006) |
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