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Over the previous few weeks, fires have erupted and spewed excessive concentrations of smoke over western Canada and the USA. To exacerbate the state of affairs, extra fires initiated lately within the western U.S. Nationwide Climate Service (NWS) Climate Forecast Workplaces (WFO) highlighted the Excessive-Decision Speedy Refresh (HRRR) – Smoke merchandise on social media to warn concerning the forecasted excessive smoke concentrations that may result in human well being impacts, dangerous air high quality and decreased visibilities. A couple of of the WFO social media posts are seen under.
A number of the HRRR-Smoke merchandise that have been showcased on social media have been the Close to-Floor Smoke and the Vertically Built-in Smoke merchandise that embody inputs from MODIS and JPSS VIIRS Fireplace Radiative Energy (FRP) information. The merchandise exhibit a 3-km spatial decision and are up to date each hour. Forecast lead occasions are 48-hours at 00Z, 06Z, 12Z and 18Z, and 18-hours at different occasions of the day. Customers can study extra concerning the HRRR-Smoke merchandise right here.
The HRRR-Smoke merchandise can be found on-line and within the Superior Climate Interactive Processing System – II (AWIPS-II) for NWS forecasters. Observe, HRRR-Smoke cross-sections are additionally obtainable for sure domains. Consult with the animation under displaying the forecasted smoke concentrations (close to the floor and aloft) throughout the NWS – Boulder, CO, County Warning Space (CWA) on 24 July 2024. HRRR-Smoke cross sections could be accessed right here.
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