mardi 31 mars 2015

Mar 31, 2015 0600 UTC Day 1 Convective Outlook

DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1252 AM CDT TUE MAR 31 2015

   VALID 311200Z - 011200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS FOR SWRN OK AND WRN N-CNTRL
   TX...

   ...THERE IS A MRGL RISK OF SVR TSTMS SURROUNDING THE SLIGHT RISK
   FROM W TX THROUGH AR TO SRN GA/NRN FL...

   ...SUMMARY...
   ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
   SOUTHWESTERN OKLAHOMA AND WESTERN NORTH-CENTRAL TEXAS. SCATTERED
   STORMS...A FEW STRONG...ARE EXPECTED FROM ARKANSAS INTO SOUTHERN
   GEORGIA AND NORTHERN FLORIDA.

   ...SYNOPSIS...
   AN AMPLIFIED UPPER-AIR PATTERN WILL FEATURE PROGRESSIVE MID-LEVEL
   TROUGHS MOVING ACROSS THE PACIFIC NW/NRN ROCKIES AND THE GREAT LAKES
   INTO THE MID-ATLANTIC STATES.  A LOWER-LATITUDE TROUGH AND
   ASSOCIATED MID-LEVEL LOW OVER NRN MEXICO WILL TRANSLATE EWD AND
   PRIMARILY INFLUENCE THE TX-MEXICO BORDER REGION TO THE S OF A RIDGE
   LOCATED OVER THE NRN PLAINS.  IN THE LOW LEVELS...A SURFACE LOW WILL
   FORM E OF THE CANADIAN ROCKIES WITH AN ASSOCIATED TROUGH IN LEE OF
   THE ROCKIES.  A SECONDARY AREA OF LOW PRESSURE WILL DEVELOP DURING
   THE DAY OVER NWRN TX WITH AN ATTENDANT DRYLINE. 

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