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Apr 1, 2015 0730 UTC Day 3 Severe Thunderstorm Outlook
Updated: Wed Apr 1 07:30:28 UTC 2015 (Print Version | 20150401 0730Z Day 3 shapefile | 20150401 0730Z Day 3 KML)
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 Forecast Discussion
   SPC AC 010730

   DAY 3 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0230 AM CDT WED APR 01 2015

   VALID 031200Z - 041200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS FROM THE KY/TN VICINITY SWWD TO
   AR/LA AND POSSIBLY E TX...

   ...THERE IS A MRGL RISK OF SVR TSTMS FROM THE W SLOPES OF THE
   APPALACHIANS TO S TX...

   ...SUMMARY...
   SHOWERS AND THUNDERSTORMS ARE FORECAST FROM THE MID-ATLANTIC REGION
   SOUTHWESTWARD INTO THE EASTERN HALF OF TEXAS FRIDAY; SOME OF THESE
   STORMS ARE EXPECTED TO BECOME SEVERE DURING THE AFTERNOON FROM THE
   WEST SLOPES OF THE APPALACHIANS INTO TEXAS.

   ...SYNOPSIS...
   SOME AMPLIFICATION OF THE UPPER FLOW FIELD IS FORECAST DAY 3 AS
   TROUGHING SHIFTS EWD ACROSS THE ERN HALF OF THE U.S. AND A GULF OF
   AK LOW/TROUGH SHIFTS SEWD ACROSS THE ERN PACIFIC AND ADJACENT WRN
   STATES.

   AT THE SURFACE...COOL/STABLE CONTINENTAL AIR IS PROGGED TO SPREAD
   ACROSS MUCH OF THE CONUS...AS A COLD FRONT DEMARCATING THE LEADING
   EDGE OF THIS CANADIAN AIRMASS CROSSES THE ATLANTIC AND GULF COASTAL
   STATES LATE IN THE PERIOD.

   ...OH VALLEY/CENTRAL APPALACHIANS WSWWD INTO SRN AND ERN TX...
   ONGOING CONVECTION ACROSS THE OH VALLEY REGION INVOF THE
   AFOREMENTIONED COLD FRONT IS FORECAST TO DEVELOP SWWD ACROSS THE TN
   AND LOWER MS VALLEYS DURING THE AFTERNOON...AS THE FRONT ADVANCES
   INTO A MOIST/DESTABILIZING AFTERNOON AIRMASS.  AS STORMS DEVELOP AND
   INGEST MOIST/UNSTABLE LOW-LEVEL AIR...STRENGTHENING MID-LEVEL WLYS
   ACROSS THE REGION SUGGEST LIKELIHOOD FOR STORM ORGANIZATION WITHIN A
   FAVORED CORRIDOR FROM THE TN/KY AREA WSWWD ACROSS THE LOWER MS
   VALLEY.  HERE...POTENTIAL FOR LOCALLY DAMAGING WINDS AND HAIL IS
   EVIDENT WITH STRONGER STORMS...LASTING INTO THE EVENING HOURS.  MORE
   ISOLATED STORMS WILL BE POSSIBLE ACROSS SERN AND INTO SRN TX --
   WHERE A WEAKER KINEMATIC BUT MORE FAVORABLE THERMODYNAMIC
   ENVIRONMENT APPEARS SUPPORTIVE OF A LIMITED-COVERAGE SEVERE RISK
   THAT MAY LINGER INTO THE OVERNIGHT HOURS.

   ..GOSS.. 04/01/2015

   CLICK TO GET WUUS03 PTSDY3 PRODUCT

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

        
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Page last modified: April 01, 2015
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