![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Public Information Statement
Issued by NWS Little Rock, AR
Issued by NWS Little Rock, AR
004 NOUS44 KLZK 251351 PNSLZK ARZ004>008-014>017-024-025-031>034-039-042>047-052>057-062>069- 103-112-113-121>123-130-137-138-140-141-203-212-213-221>223-230- 237-238-240-241-313-340-341-260200- Public Information Statement National Weather Service Little Rock AR 851 AM CDT Thu Apr 25 2024 To: Subscribers: -NOAA Weather Wire Service -Emergency Managers Weather Information Network -NOAAPort Other NWS Partners and NWS Employees From: Greg Schoor, Chief Marine, Tropical and Tsunami Services Branch Subject: Hurricane Threats and Impacts (HTI) Mosaic Testing on April 25, 2024 Weather Forecast Offices (WFOs) in the National Weather Service (NWS) Southern and Eastern Regions will commence with Hurricane Threats and Impacts (HTI) threat grid mosaic testing on Thursday, April 25. Testing will begin at approximately 1500 UTC. Test activities will take approximately 1 hour; however, NWS dissemination systems may take up to an hour and a half to purge all test data. All test data is expected to be cleared by 1730 UTC. For the test, HTI grids will be created for hurricane Wind Threat, Storm Surge Threat, Flooding Rain Threat, and Tornado Threat at each participating WFO. Those grids are stitched together into storm-scale HTI graphics. The HTI Mosaic graphics are available in Keyhole Markup Language (KML) format on the following webpage: https://www.weather.gov/hti The mosaics are also available through the National Digital Forecast Database and on web pages hosted by the Weather Forecast Offices (WFOs) affected by the tropical cyclone. These webpages use the following URL format, where wfo should be replaced with the 3 digit identifier for the WFO of interest: NWS Eastern Region WFOs: https://www.weather.gov/wfo/tropical#hti NWS Southern Region WFOs: https://www.weather.gov/srh/tropical?office=wfo#hti More details on HTI can be found in the Product Description Document: https://www.weather.gov/media/srh/tropical/PDD_HTI.pdf Periodic software and hardware testing in preparation for tropical cyclone events will continue during the remainder of 2024. For more information, please contact: Dennis Cavanaugh Acting Meteorologist-in-Charge National Weather Service Office Little Rock, Arkansas dennis.cavanaugh@noaa.gov National Public Information Statements are online at: https://www.weather.gov/notification/ $$ 73