Nov 8, 2017 0830 UTC Day 3 Severe Thunderstorm Outlook
Updated: Wed Nov 8 08:16:14 UTC 2017 (20171108 0830Z Day 3 shapefile | 20171108 0830Z Day 3 KML)
Probabilistic to Categorical Outlook Conversion Table
Categorical Graphic
20171108 0830 UTC Day 3 Outlook Graphic
Day 3 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Probabilistic Graphic
20171108 0830 UTC Day Probabilitic Graphic
Probability of severe weather within 25 miles of a point.
Hatched Area: 10% or greater probability of significant severe within 25 miles of a point.
Day 3 Prob. Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
   SPC AC 080816

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0216 AM CST Wed Nov 08 2017

   Valid 101200Z - 111200Z

   ...NO SEVERE THUNDERSTORM AREAS FORECAST...

   ...SUMMARY...
   Severe storms are not expected across the U.S. Friday.

   ...Synopsis...
   Upper level flow over the U.S. is expected to become largely zonal
   on Friday, as short-wave troughing departing the Southeast advances
   into the western Atlantic.  Remnants of an upper low will shift
   across the Pacific Northwest as a weakening open wave, and an upper
   vortex will cross New England and eastern Canada through the period.
   Otherwise, broad/flat westerly flow will prevail over the country.

   At the surface, high pressure will remain largely in control, though
   a remnant front moving slowly south across Florida may focus showers
   and a couple of afternoon thunderstorms.  Elsewhere, showers and
   perhaps a few lighting strikes are expected over the northwestern
   states as the weakening trough advances eastward through the period.

   ..Goss.. 11/08/2017

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