Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Use the options below to select different sites for a TAF Tactical Decision Aid (TDA). This will use the lowest/worst case forecast for the specified time. You also can update the URL parameters to try to select TAFs not in the drop-down menu. For the URL parameters you can select the id(s) (&id=KSEA,KPDX,KGEG) and be sure use the 4-letter ICAO outside CONUS, hours (&hours=6), output type (0=detailed/1=brief/2=one-line/4=graphical, &size=1), color coding (0=intesity background/1=type background/2=text color/4=graphical, &color=1), Turb/Ice (0=yes/1=no, &hidetb=0), TAF text (0=no/1=yes, &text=1), and include/skip METAR observation (0=include/1=skip, &hidemetar=0) in italics. More detailed coding info is availble by hovering over Info cell for the non-graphical versions. Hovering over the rows will display the raw TAF. Note that multiple IDs default to one-line output type and intensity background color. The graphical, detailed, and brief versions only work for one site at a time, along with G-AIRMET <18,000' turbulence/icing within ~25mi (bottom row). Some international or military TAF formats may not decode properly.

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Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

ZSE TAF TDA