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.
mardi 31 mars 2015
Mar 31, 2015 0600 UTC Day 1 Convective Outlook
DAY 1 CONVECTIVE OUTLOOK
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