Radar Image of the 3 May 1999 Moore, OK F5 Tornado

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News and Announcements

  • Satellite Feeds are Dead (Posted: 12 Jan 2010)
    The link I was using to grab satellite imagery has been down for the past several days; as such, I'm proclaiming it dead. I'll work on finding a new source for imagery over the next few days. Hopefully, the high resolution imagery over the southern plains will return in time for chase season. *crosses fingers*

  • New Layout (Posted: 28 Dec 2009)
    Over the next few days and weeks we will be working on improving the design and layout of the FORWARN website.  We will be adding a weather data portion to the website as well as better describing some of the research that is ongoing.  Please check back often as we continue to upgrade and improve [...]

Weather Blog

  • Day 67: Oklahoma Tornado Environment (Posted: 08 Mar 2010)
    The image above was taken approximately the same time a tornado was hitting Hammon, OK.  The tornado occurred with the convection associated with the brighter colors in far western Oklahoma.  It was a classic cold core setup, meaning a lot of instability was generated along the eastern edge of the cold-pool aloft associated with the [...]

  • Day 66: Southwest Rain and Storms (Posted: 07 Mar 2010)
    The mid-level low discussed in last night’s post has moved into far southeastern California and far western Arizona tonight.  Downstream (east in this instance) strong ascent (rising motion) in the atmosphere has resulted in widespread showers and thunderstorms across portions of the desert southwest.  In fact, severe supercell thunderstorms (with severe thunderstorm warnings issued for [...]

  • Day 65: Upcoming Soaker (Posted: 06 Mar 2010)
    The Hydrometeorological Prediction Center (HPC) is forecasting quite a bit of rainfall over a large portion of the country during the next 5 days (120 hours). Examining today’s water vapor imagery, a couple of key features help explain why this is.  First, a very strong mid-level low is currently spinning to the west of the Baja [...]