DAY 2 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0100 AM CDT SUN AUG 07 2016 VALID 081200Z - 091200Z ...THERE IS A MRGL RISK OF SVR TSTMS OVER THE NRN AND CNTRL HIGH PLAINS AREAS... ...SUMMARY... A FEW STRONG TO SEVERE STORMS WITH A THREAT OF DOWNBURST WINDS AND HAIL WILL BE POSSIBLE OVER THE NORTHERN AND CENTRAL HIGH PLAINS ON MONDAY. ...NRN THROUGH CNTRL PLAINS... A LOW-AMPLITUDE SHORTWAVE TROUGH WILL DEAMPLIFY FURTHER AS IT MOVES THROUGH THE MEAN SYNOPTIC RIDGE POSITION THAT WILL BE SITUATED OVER THE NRN PLAINS. STRONGER FORCING ACCOMPANYING THIS FEATURE AND ATTENDANT COLD FRONT SHOULD REMAIN NORTH OF THE INTERNATIONAL BORDER. LOW-LEVEL MOISTURE SHOULD UNDERGO A MODEST INCREASE THROUGH THE CNTRL AND NRN HIGH PLAINS EAST OF EVOLVING LEE TROUGH. NEAR-SFC DEWPOINTS IN THE 50S TO NEAR 60F WILL ADVECT NWD BENEATH STEEP MID-LEVEL LAPSE RATES CONTRIBUTING TO A NARROW CORRIDOR OF 1500-2000 J/KG MLCAPE. ISOLATED TO WIDELY SCATTERED STORMS ARE EXPECTED TO DEVELOP ALONG COLD FRONT...LEE TROUGH AND OVER THE HIGHER TERRAIN AND SHOULD UNDERGO SOME INTENSIFICATION AS THEY CONTINUE EWD THROUGH ZONE OF GREATER INSTABILITY OVER THE HIGH PLAINS. VERTICAL SHEAR IN THE 0-6 KM LAYER WILL VARY FROM AOB 30 KT OVER THE CNTRL PLAINS TO 30-40 KT OVER THE NRN PLAINS. A FEW INSTANCES OF DOWNBURST WINDS AND LARGE HAIL WILL BE POSSIBLE BEGINNING LATE AFTERNOON BEFORE STORMS WEAKEN TOWARD MID EVENING. ..DIAL.. 08/07/2016Read more
from SPC Forecast Products http://ift.tt/GB0aDL
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