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Oct 22, 2018 0730 UTC Day 3 Severe Thunderstorm Outlook
Updated: Mon Oct 22 06:37:07 UTC 2018 (Print Version | 20181022 0730Z Day 3 shapefile | 20181022 0730Z Day 3 KML)
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 Forecast Discussion
   SPC AC 220637

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0137 AM CDT Mon Oct 22 2018

   Valid 241200Z - 251200Z

   ...NO SEVERE THUNDERSTORM AREAS FORECAST...

   ...SUMMARY...
   Only isolated, weak thunderstorms are expected on Wednesday from
   southeast Texas across coastal Louisiana.

   ...Synopsis...
   High pressure will remain centered across the Great Lake and Midwest
   behind a slow-moving amplified upper trough across the Northeast.
   Little instability will be present to support thunderstorms over
   most of the CONUS as a result of mainly offshore flow over the Gulf
   of Mexico and Mid Atlantic. The greatest threat for a few
   thunderstorms will be across the northwestern Gulf, where a surface
   low will form in response to a weak wave moving out of TX. Warm
   advection just off the surface may result in sufficient elevated
   instability for lightning from far southeast TX during the day
   toward coastal LA overnight.

   Elsewhere, a lightning strike or two cannot be ruled out over the
   mountains of northern NM into central CO where heating may lead to
   minimal instability, but coverage is currently expected to be less
   than 10%.

   ..Jewell.. 10/22/2018

   CLICK TO GET WUUS03 PTSDY3 PRODUCT

   NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z

        
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Page last modified: October 22, 2018
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