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    Day 2 Outlook >
Jun 6, 2023 0100 UTC Day 1 Convective Outlook
Updated: Tue Jun 6 00:45:34 UTC 2023 (Print Version | 20230606 0100Z Day 1 shapefile | 20230606 0100Z Day 1 KML)
Probabilistic to Categorical Outlook Conversion Table
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 Forecast Discussion
   SPC AC 060045

   Day 1 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0745 PM CDT Mon Jun 05 2023

   Valid 060100Z - 061200Z

   ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
   NORTH-CENTRAL MONTANA...

   ...SUMMARY...
   Isolated severe thunderstorms associated with wind damage and hail
   will be possible in parts of north-central Montana early this
   evening.

   ...North-central Montana...
   Latest water vapor imagery shows an upper-level trough from western
   Canada extending southward into the Pacific Northwest. Ahead of the
   trough, an axis of moderate instability is located from central
   Wyoming into central Montana. Scattered thunderstorms are ongoing
   along the western edge of the stronger instability, near and to the
   east of the I-15 corridor north of Great Falls. The Great Falls 00Z
   sounding has some instability, with MLCAPE near 1200 J/kg and 0-3 km
   lapse rates around 8.5 C/km. This may be enough for isolated and
   marginally severe wind gusts associated with the stronger multicells
   over the next hour or two. Hail will also be possible with the
   stronger updrafts.

   ..Broyles.. 06/06/2023

   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z

        
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Page last modified: June 06, 2023
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